better docs

1 files changed, 1481 insertions, 995 deletions

diff --git a/nexgb/xproto/xproto.go b/nexgb/xproto/xproto.go
index 39956f1..6b0fb6b 100644
--- a/nexgb/xproto/xproto.go
+++ b/nexgb/xproto/xproto.go
@@ -2,7 +2,7 @@
 package xproto
 
 /*
-	This file was generated by xproto.xml on May 10 2012 8:04:32pm EDT.
+	This file was generated by xproto.xml on May 10 2012 11:56:19pm EDT.
 	This file is automatically generated. Edit at your peril!
 */
 
@@ -23,16 +23,6 @@ func (s *SetupInfo) DefaultScreen(c *xgb.Conn) *ScreenInfo {
 	return &s.Roots[c.DefaultScreen]
 }
 
-// Skipping definition for base type 'Char'
-
-// Skipping definition for base type 'Card32'
-
-// Skipping definition for base type 'Double'
-
-// Skipping definition for base type 'Bool'
-
-// Skipping definition for base type 'Float'
-
 // Skipping definition for base type 'Card8'
 
 // Skipping definition for base type 'Int16'
@@ -47,6 +37,16 @@ func (s *SetupInfo) DefaultScreen(c *xgb.Conn) *ScreenInfo {
 
 // Skipping definition for base type 'Card16'
 
+// Skipping definition for base type 'Char'
+
+// Skipping definition for base type 'Card32'
+
+// Skipping definition for base type 'Double'
+
+// Skipping definition for base type 'Bool'
+
+// Skipping definition for base type 'Float'
+
 const (
 	VisualClassStaticGray  = 0
 	VisualClassGrayScale   = 1
@@ -733,14 +733,12 @@ type Keycode byte
 
 type Button byte
 
-// 'Char2b' struct definition
-// Size: 2
 type Char2b struct {
 	Byte1 byte
 	Byte2 byte
 }
 
-// Struct read Char2b
+// Char2bRead reads a byte slice into a Char2b value.
 func Char2bRead(buf []byte, v *Char2b) int {
 	b := 0
 
@@ -753,7 +751,7 @@ func Char2bRead(buf []byte, v *Char2b) int {
 	return b
 }
 
-// Struct list read Char2b
+// Char2bReadList reads a byte slice into a list of Char2b values.
 func Char2bReadList(buf []byte, dest []Char2b) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -763,7 +761,7 @@ func Char2bReadList(buf []byte, dest []Char2b) int {
 	return xgb.Pad(b)
 }
 
-// Struct write Char2b
+// Bytes writes a Char2b value to a byte slice.
 func (v Char2b) Bytes() []byte {
 	buf := make([]byte, 2)
 	b := 0
@@ -777,7 +775,7 @@ func (v Char2b) Bytes() []byte {
 	return buf
 }
 
-// Write struct list Char2b
+// Char2bListBytes writes a list of %s(MISSING) values to a byte slice.
 func Char2bListBytes(buf []byte, list []Char2b) int {
 	b := 0
 	var structBytes []byte
@@ -789,14 +787,12 @@ func Char2bListBytes(buf []byte, list []Char2b) int {
 	return b
 }
 
-// 'Point' struct definition
-// Size: 4
 type Point struct {
 	X int16
 	Y int16
 }
 
-// Struct read Point
+// PointRead reads a byte slice into a Point value.
 func PointRead(buf []byte, v *Point) int {
 	b := 0
 
@@ -809,7 +805,7 @@ func PointRead(buf []byte, v *Point) int {
 	return b
 }
 
-// Struct list read Point
+// PointReadList reads a byte slice into a list of Point values.
 func PointReadList(buf []byte, dest []Point) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -819,7 +815,7 @@ func PointReadList(buf []byte, dest []Point) int {
 	return xgb.Pad(b)
 }
 
-// Struct write Point
+// Bytes writes a Point value to a byte slice.
 func (v Point) Bytes() []byte {
 	buf := make([]byte, 4)
 	b := 0
@@ -833,7 +829,7 @@ func (v Point) Bytes() []byte {
 	return buf
 }
 
-// Write struct list Point
+// PointListBytes writes a list of %s(MISSING) values to a byte slice.
 func PointListBytes(buf []byte, list []Point) int {
 	b := 0
 	var structBytes []byte
@@ -845,8 +841,6 @@ func PointListBytes(buf []byte, list []Point) int {
 	return b
 }
 
-// 'Rectangle' struct definition
-// Size: 8
 type Rectangle struct {
 	X      int16
 	Y      int16
@@ -854,7 +848,7 @@ type Rectangle struct {
 	Height uint16
 }
 
-// Struct read Rectangle
+// RectangleRead reads a byte slice into a Rectangle value.
 func RectangleRead(buf []byte, v *Rectangle) int {
 	b := 0
 
@@ -873,7 +867,7 @@ func RectangleRead(buf []byte, v *Rectangle) int {
 	return b
 }
 
-// Struct list read Rectangle
+// RectangleReadList reads a byte slice into a list of Rectangle values.
 func RectangleReadList(buf []byte, dest []Rectangle) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -883,7 +877,7 @@ func RectangleReadList(buf []byte, dest []Rectangle) int {
 	return xgb.Pad(b)
 }
 
-// Struct write Rectangle
+// Bytes writes a Rectangle value to a byte slice.
 func (v Rectangle) Bytes() []byte {
 	buf := make([]byte, 8)
 	b := 0
@@ -903,7 +897,7 @@ func (v Rectangle) Bytes() []byte {
 	return buf
 }
 
-// Write struct list Rectangle
+// RectangleListBytes writes a list of %s(MISSING) values to a byte slice.
 func RectangleListBytes(buf []byte, list []Rectangle) int {
 	b := 0
 	var structBytes []byte
@@ -915,8 +909,6 @@ func RectangleListBytes(buf []byte, list []Rectangle) int {
 	return b
 }
 
-// 'Arc' struct definition
-// Size: 12
 type Arc struct {
 	X      int16
 	Y      int16
@@ -926,7 +918,7 @@ type Arc struct {
 	Angle2 int16
 }
 
-// Struct read Arc
+// ArcRead reads a byte slice into a Arc value.
 func ArcRead(buf []byte, v *Arc) int {
 	b := 0
 
@@ -951,7 +943,7 @@ func ArcRead(buf []byte, v *Arc) int {
 	return b
 }
 
-// Struct list read Arc
+// ArcReadList reads a byte slice into a list of Arc values.
 func ArcReadList(buf []byte, dest []Arc) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -961,7 +953,7 @@ func ArcReadList(buf []byte, dest []Arc) int {
 	return xgb.Pad(b)
 }
 
-// Struct write Arc
+// Bytes writes a Arc value to a byte slice.
 func (v Arc) Bytes() []byte {
 	buf := make([]byte, 12)
 	b := 0
@@ -987,7 +979,7 @@ func (v Arc) Bytes() []byte {
 	return buf
 }
 
-// Write struct list Arc
+// ArcListBytes writes a list of %s(MISSING) values to a byte slice.
 func ArcListBytes(buf []byte, list []Arc) int {
 	b := 0
 	var structBytes []byte
@@ -999,8 +991,6 @@ func ArcListBytes(buf []byte, list []Arc) int {
 	return b
 }
 
-// 'Format' struct definition
-// Size: 8
 type Format struct {
 	Depth        byte
 	BitsPerPixel byte
@@ -1008,7 +998,7 @@ type Format struct {
 	// padding: 5 bytes
 }
 
-// Struct read Format
+// FormatRead reads a byte slice into a Format value.
 func FormatRead(buf []byte, v *Format) int {
 	b := 0
 
@@ -1026,7 +1016,7 @@ func FormatRead(buf []byte, v *Format) int {
 	return b
 }
 
-// Struct list read Format
+// FormatReadList reads a byte slice into a list of Format values.
 func FormatReadList(buf []byte, dest []Format) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -1036,7 +1026,7 @@ func FormatReadList(buf []byte, dest []Format) int {
 	return xgb.Pad(b)
 }
 
-// Struct write Format
+// Bytes writes a Format value to a byte slice.
 func (v Format) Bytes() []byte {
 	buf := make([]byte, 8)
 	b := 0
@@ -1055,7 +1045,7 @@ func (v Format) Bytes() []byte {
 	return buf
 }
 
-// Write struct list Format
+// FormatListBytes writes a list of %s(MISSING) values to a byte slice.
 func FormatListBytes(buf []byte, list []Format) int {
 	b := 0
 	var structBytes []byte
@@ -1067,8 +1057,6 @@ func FormatListBytes(buf []byte, list []Format) int {
 	return b
 }
 
-// 'VisualInfo' struct definition
-// Size: 24
 type VisualInfo struct {
 	VisualId        Visualid
 	Class           byte
@@ -1080,7 +1068,7 @@ type VisualInfo struct {
 	// padding: 4 bytes
 }
 
-// Struct read VisualInfo
+// VisualInfoRead reads a byte slice into a VisualInfo value.
 func VisualInfoRead(buf []byte, v *VisualInfo) int {
 	b := 0
 
@@ -1110,7 +1098,7 @@ func VisualInfoRead(buf []byte, v *VisualInfo) int {
 	return b
 }
 
-// Struct list read VisualInfo
+// VisualInfoReadList reads a byte slice into a list of VisualInfo values.
 func VisualInfoReadList(buf []byte, dest []VisualInfo) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -1120,7 +1108,7 @@ func VisualInfoReadList(buf []byte, dest []VisualInfo) int {
 	return xgb.Pad(b)
 }
 
-// Struct write VisualInfo
+// Bytes writes a VisualInfo value to a byte slice.
 func (v VisualInfo) Bytes() []byte {
 	buf := make([]byte, 24)
 	b := 0
@@ -1151,7 +1139,7 @@ func (v VisualInfo) Bytes() []byte {
 	return buf
 }
 
-// Write struct list VisualInfo
+// VisualInfoListBytes writes a list of %s(MISSING) values to a byte slice.
 func VisualInfoListBytes(buf []byte, list []VisualInfo) int {
 	b := 0
 	var structBytes []byte
@@ -1163,8 +1151,6 @@ func VisualInfoListBytes(buf []byte, list []VisualInfo) int {
 	return b
 }
 
-// 'DepthInfo' struct definition
-// Size: (8 + xgb.Pad((int(VisualsLen) * 24)))
 type DepthInfo struct {
 	Depth byte
 	// padding: 1 bytes
@@ -1173,7 +1159,7 @@ type DepthInfo struct {
 	Visuals []VisualInfo // size: xgb.Pad((int(VisualsLen) * 24))
 }
 
-// Struct read DepthInfo
+// DepthInfoRead reads a byte slice into a DepthInfo value.
 func DepthInfoRead(buf []byte, v *DepthInfo) int {
 	b := 0
 
@@ -1193,7 +1179,7 @@ func DepthInfoRead(buf []byte, v *DepthInfo) int {
 	return b
 }
 
-// Struct list read DepthInfo
+// DepthInfoReadList reads a byte slice into a list of DepthInfo values.
 func DepthInfoReadList(buf []byte, dest []DepthInfo) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -1203,7 +1189,7 @@ func DepthInfoReadList(buf []byte, dest []DepthInfo) int {
 	return xgb.Pad(b)
 }
 
-// Struct write DepthInfo
+// Bytes writes a DepthInfo value to a byte slice.
 func (v DepthInfo) Bytes() []byte {
 	buf := make([]byte, (8 + xgb.Pad((int(v.VisualsLen) * 24))))
 	b := 0
@@ -1223,7 +1209,7 @@ func (v DepthInfo) Bytes() []byte {
 	return buf
 }
 
-// Write struct list DepthInfo
+// DepthInfoListBytes writes a list of %s(MISSING) values to a byte slice.
 func DepthInfoListBytes(buf []byte, list []DepthInfo) int {
 	b := 0
 	var structBytes []byte
@@ -1235,7 +1221,7 @@ func DepthInfoListBytes(buf []byte, list []DepthInfo) int {
 	return b
 }
 
-// Struct list size DepthInfo
+// DepthInfoListSize computes the size (bytes) of a list of DepthInfo values.
 func DepthInfoListSize(list []DepthInfo) int {
 	size := 0
 	for _, item := range list {
@@ -1244,8 +1230,6 @@ func DepthInfoListSize(list []DepthInfo) int {
 	return size
 }
 
-// 'ScreenInfo' struct definition
-// Size: (40 + DepthInfoListSize(AllowedDepths))
 type ScreenInfo struct {
 	Root                Window
 	DefaultColormap     Colormap
@@ -1266,7 +1250,7 @@ type ScreenInfo struct {
 	AllowedDepths       []DepthInfo // size: DepthInfoListSize(AllowedDepths)
 }
 
-// Struct read ScreenInfo
+// ScreenInfoRead reads a byte slice into a ScreenInfo value.
 func ScreenInfoRead(buf []byte, v *ScreenInfo) int {
 	b := 0
 
@@ -1328,7 +1312,7 @@ func ScreenInfoRead(buf []byte, v *ScreenInfo) int {
 	return b
 }
 
-// Struct list read ScreenInfo
+// ScreenInfoReadList reads a byte slice into a list of ScreenInfo values.
 func ScreenInfoReadList(buf []byte, dest []ScreenInfo) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -1338,7 +1322,7 @@ func ScreenInfoReadList(buf []byte, dest []ScreenInfo) int {
 	return xgb.Pad(b)
 }
 
-// Struct write ScreenInfo
+// Bytes writes a ScreenInfo value to a byte slice.
 func (v ScreenInfo) Bytes() []byte {
 	buf := make([]byte, (40 + DepthInfoListSize(v.AllowedDepths)))
 	b := 0
@@ -1400,7 +1384,7 @@ func (v ScreenInfo) Bytes() []byte {
 	return buf
 }
 
-// Write struct list ScreenInfo
+// ScreenInfoListBytes writes a list of %s(MISSING) values to a byte slice.
 func ScreenInfoListBytes(buf []byte, list []ScreenInfo) int {
 	b := 0
 	var structBytes []byte
@@ -1412,7 +1396,7 @@ func ScreenInfoListBytes(buf []byte, list []ScreenInfo) int {
 	return b
 }
 
-// Struct list size ScreenInfo
+// ScreenInfoListSize computes the size (bytes) of a list of ScreenInfo values.
 func ScreenInfoListSize(list []ScreenInfo) int {
 	size := 0
 	for _, item := range list {
@@ -1421,8 +1405,6 @@ func ScreenInfoListSize(list []ScreenInfo) int {
 	return size
 }
 
-// 'SetupRequest' struct definition
-// Size: ((12 + xgb.Pad((int(AuthorizationProtocolNameLen) * 1))) + xgb.Pad((int(AuthorizationProtocolDataLen) * 1)))
 type SetupRequest struct {
 	ByteOrder byte
 	// padding: 1 bytes
@@ -1435,7 +1417,7 @@ type SetupRequest struct {
 	AuthorizationProtocolData string // size: xgb.Pad((int(AuthorizationProtocolDataLen) * 1))
 }
 
-// Struct read SetupRequest
+// SetupRequestRead reads a byte slice into a SetupRequest value.
 func SetupRequestRead(buf []byte, v *SetupRequest) int {
 	b := 0
 
@@ -1475,7 +1457,7 @@ func SetupRequestRead(buf []byte, v *SetupRequest) int {
 	return b
 }
 
-// Struct list read SetupRequest
+// SetupRequestReadList reads a byte slice into a list of SetupRequest values.
 func SetupRequestReadList(buf []byte, dest []SetupRequest) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -1485,7 +1467,7 @@ func SetupRequestReadList(buf []byte, dest []SetupRequest) int {
 	return xgb.Pad(b)
 }
 
-// Struct write SetupRequest
+// Bytes writes a SetupRequest value to a byte slice.
 func (v SetupRequest) Bytes() []byte {
 	buf := make([]byte, ((12 + xgb.Pad((int(v.AuthorizationProtocolNameLen) * 1))) + xgb.Pad((int(v.AuthorizationProtocolDataLen) * 1))))
 	b := 0
@@ -1518,7 +1500,7 @@ func (v SetupRequest) Bytes() []byte {
 	return buf
 }
 
-// Write struct list SetupRequest
+// SetupRequestListBytes writes a list of %s(MISSING) values to a byte slice.
 func SetupRequestListBytes(buf []byte, list []SetupRequest) int {
 	b := 0
 	var structBytes []byte
@@ -1530,7 +1512,7 @@ func SetupRequestListBytes(buf []byte, list []SetupRequest) int {
 	return b
 }
 
-// Struct list size SetupRequest
+// SetupRequestListSize computes the size (bytes) of a list of SetupRequest values.
 func SetupRequestListSize(list []SetupRequest) int {
 	size := 0
 	for _, item := range list {
@@ -1539,8 +1521,6 @@ func SetupRequestListSize(list []SetupRequest) int {
 	return size
 }
 
-// 'SetupFailed' struct definition
-// Size: (8 + xgb.Pad((int(ReasonLen) * 1)))
 type SetupFailed struct {
 	Status               byte
 	ReasonLen            byte
@@ -1550,7 +1530,7 @@ type SetupFailed struct {
 	Reason               string // size: xgb.Pad((int(ReasonLen) * 1))
 }
 
-// Struct read SetupFailed
+// SetupFailedRead reads a byte slice into a SetupFailed value.
 func SetupFailedRead(buf []byte, v *SetupFailed) int {
 	b := 0
 
@@ -1579,7 +1559,7 @@ func SetupFailedRead(buf []byte, v *SetupFailed) int {
 	return b
 }
 
-// Struct list read SetupFailed
+// SetupFailedReadList reads a byte slice into a list of SetupFailed values.
 func SetupFailedReadList(buf []byte, dest []SetupFailed) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -1589,7 +1569,7 @@ func SetupFailedReadList(buf []byte, dest []SetupFailed) int {
 	return xgb.Pad(b)
 }
 
-// Struct write SetupFailed
+// Bytes writes a SetupFailed value to a byte slice.
 func (v SetupFailed) Bytes() []byte {
 	buf := make([]byte, (8 + xgb.Pad((int(v.ReasonLen) * 1))))
 	b := 0
@@ -1615,7 +1595,7 @@ func (v SetupFailed) Bytes() []byte {
 	return buf
 }
 
-// Write struct list SetupFailed
+// SetupFailedListBytes writes a list of %s(MISSING) values to a byte slice.
 func SetupFailedListBytes(buf []byte, list []SetupFailed) int {
 	b := 0
 	var structBytes []byte
@@ -1627,7 +1607,7 @@ func SetupFailedListBytes(buf []byte, list []SetupFailed) int {
 	return b
 }
 
-// Struct list size SetupFailed
+// SetupFailedListSize computes the size (bytes) of a list of SetupFailed values.
 func SetupFailedListSize(list []SetupFailed) int {
 	size := 0
 	for _, item := range list {
@@ -1636,8 +1616,6 @@ func SetupFailedListSize(list []SetupFailed) int {
 	return size
 }
 
-// 'SetupAuthenticate' struct definition
-// Size: (8 + xgb.Pad(((int(Length) * 4) * 1)))
 type SetupAuthenticate struct {
 	Status byte
 	// padding: 5 bytes
@@ -1645,7 +1623,7 @@ type SetupAuthenticate struct {
 	Reason string // size: xgb.Pad(((int(Length) * 4) * 1))
 }
 
-// Struct read SetupAuthenticate
+// SetupAuthenticateRead reads a byte slice into a SetupAuthenticate value.
 func SetupAuthenticateRead(buf []byte, v *SetupAuthenticate) int {
 	b := 0
 
@@ -1667,7 +1645,7 @@ func SetupAuthenticateRead(buf []byte, v *SetupAuthenticate) int {
 	return b
 }
 
-// Struct list read SetupAuthenticate
+// SetupAuthenticateReadList reads a byte slice into a list of SetupAuthenticate values.
 func SetupAuthenticateReadList(buf []byte, dest []SetupAuthenticate) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -1677,7 +1655,7 @@ func SetupAuthenticateReadList(buf []byte, dest []SetupAuthenticate) int {
 	return xgb.Pad(b)
 }
 
-// Struct write SetupAuthenticate
+// Bytes writes a SetupAuthenticate value to a byte slice.
 func (v SetupAuthenticate) Bytes() []byte {
 	buf := make([]byte, (8 + xgb.Pad(((int(v.Length) * 4) * 1))))
 	b := 0
@@ -1696,7 +1674,7 @@ func (v SetupAuthenticate) Bytes() []byte {
 	return buf
 }
 
-// Write struct list SetupAuthenticate
+// SetupAuthenticateListBytes writes a list of %s(MISSING) values to a byte slice.
 func SetupAuthenticateListBytes(buf []byte, list []SetupAuthenticate) int {
 	b := 0
 	var structBytes []byte
@@ -1708,7 +1686,7 @@ func SetupAuthenticateListBytes(buf []byte, list []SetupAuthenticate) int {
 	return b
 }
 
-// Struct list size SetupAuthenticate
+// SetupAuthenticateListSize computes the size (bytes) of a list of SetupAuthenticate values.
 func SetupAuthenticateListSize(list []SetupAuthenticate) int {
 	size := 0
 	for _, item := range list {
@@ -1717,8 +1695,6 @@ func SetupAuthenticateListSize(list []SetupAuthenticate) int {
 	return size
 }
 
-// 'SetupInfo' struct definition
-// Size: (((40 + xgb.Pad((int(VendorLen) * 1))) + xgb.Pad((int(PixmapFormatsLen) * 8))) + ScreenInfoListSize(Roots))
 type SetupInfo struct {
 	Status byte
 	// padding: 1 bytes
@@ -1745,7 +1721,7 @@ type SetupInfo struct {
 	Roots         []ScreenInfo // size: ScreenInfoListSize(Roots)
 }
 
-// Struct read SetupInfo
+// SetupInfoRead reads a byte slice into a SetupInfo value.
 func SetupInfoRead(buf []byte, v *SetupInfo) int {
 	b := 0
 
@@ -1823,7 +1799,7 @@ func SetupInfoRead(buf []byte, v *SetupInfo) int {
 	return b
 }
 
-// Struct list read SetupInfo
+// SetupInfoReadList reads a byte slice into a list of SetupInfo values.
 func SetupInfoReadList(buf []byte, dest []SetupInfo) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -1833,7 +1809,7 @@ func SetupInfoReadList(buf []byte, dest []SetupInfo) int {
 	return xgb.Pad(b)
 }
 
-// Struct write SetupInfo
+// Bytes writes a SetupInfo value to a byte slice.
 func (v SetupInfo) Bytes() []byte {
 	buf := make([]byte, (((40 + xgb.Pad((int(v.VendorLen) * 1))) + xgb.Pad((int(v.PixmapFormatsLen) * 8))) + ScreenInfoListSize(v.Roots)))
 	b := 0
@@ -1906,7 +1882,7 @@ func (v SetupInfo) Bytes() []byte {
 	return buf
 }
 
-// Write struct list SetupInfo
+// SetupInfoListBytes writes a list of %s(MISSING) values to a byte slice.
 func SetupInfoListBytes(buf []byte, list []SetupInfo) int {
 	b := 0
 	var structBytes []byte
@@ -1918,7 +1894,7 @@ func SetupInfoListBytes(buf []byte, list []SetupInfo) int {
 	return b
 }
 
-// Struct list size SetupInfo
+// SetupInfoListSize computes the size (bytes) of a list of SetupInfo values.
 func SetupInfoListSize(list []SetupInfo) int {
 	size := 0
 	for _, item := range list {
@@ -1927,15 +1903,13 @@ func SetupInfoListSize(list []SetupInfo) int {
 	return size
 }
 
-// 'Timecoord' struct definition
-// Size: 8
 type Timecoord struct {
 	Time Timestamp
 	X    int16
 	Y    int16
 }
 
-// Struct read Timecoord
+// TimecoordRead reads a byte slice into a Timecoord value.
 func TimecoordRead(buf []byte, v *Timecoord) int {
 	b := 0
 
@@ -1951,7 +1925,7 @@ func TimecoordRead(buf []byte, v *Timecoord) int {
 	return b
 }
 
-// Struct list read Timecoord
+// TimecoordReadList reads a byte slice into a list of Timecoord values.
 func TimecoordReadList(buf []byte, dest []Timecoord) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -1961,7 +1935,7 @@ func TimecoordReadList(buf []byte, dest []Timecoord) int {
 	return xgb.Pad(b)
 }
 
-// Struct write Timecoord
+// Bytes writes a Timecoord value to a byte slice.
 func (v Timecoord) Bytes() []byte {
 	buf := make([]byte, 8)
 	b := 0
@@ -1978,7 +1952,7 @@ func (v Timecoord) Bytes() []byte {
 	return buf
 }
 
-// Write struct list Timecoord
+// TimecoordListBytes writes a list of %s(MISSING) values to a byte slice.
 func TimecoordListBytes(buf []byte, list []Timecoord) int {
 	b := 0
 	var structBytes []byte
@@ -1990,14 +1964,12 @@ func TimecoordListBytes(buf []byte, list []Timecoord) int {
 	return b
 }
 
-// 'Fontprop' struct definition
-// Size: 8
 type Fontprop struct {
 	Name  Atom
 	Value uint32
 }
 
-// Struct read Fontprop
+// FontpropRead reads a byte slice into a Fontprop value.
 func FontpropRead(buf []byte, v *Fontprop) int {
 	b := 0
 
@@ -2010,7 +1982,7 @@ func FontpropRead(buf []byte, v *Fontprop) int {
 	return b
 }
 
-// Struct list read Fontprop
+// FontpropReadList reads a byte slice into a list of Fontprop values.
 func FontpropReadList(buf []byte, dest []Fontprop) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -2020,7 +1992,7 @@ func FontpropReadList(buf []byte, dest []Fontprop) int {
 	return xgb.Pad(b)
 }
 
-// Struct write Fontprop
+// Bytes writes a Fontprop value to a byte slice.
 func (v Fontprop) Bytes() []byte {
 	buf := make([]byte, 8)
 	b := 0
@@ -2034,7 +2006,7 @@ func (v Fontprop) Bytes() []byte {
 	return buf
 }
 
-// Write struct list Fontprop
+// FontpropListBytes writes a list of %s(MISSING) values to a byte slice.
 func FontpropListBytes(buf []byte, list []Fontprop) int {
 	b := 0
 	var structBytes []byte
@@ -2046,8 +2018,6 @@ func FontpropListBytes(buf []byte, list []Fontprop) int {
 	return b
 }
 
-// 'Charinfo' struct definition
-// Size: 12
 type Charinfo struct {
 	LeftSideBearing  int16
 	RightSideBearing int16
@@ -2057,7 +2027,7 @@ type Charinfo struct {
 	Attributes       uint16
 }
 
-// Struct read Charinfo
+// CharinfoRead reads a byte slice into a Charinfo value.
 func CharinfoRead(buf []byte, v *Charinfo) int {
 	b := 0
 
@@ -2082,7 +2052,7 @@ func CharinfoRead(buf []byte, v *Charinfo) int {
 	return b
 }
 
-// Struct list read Charinfo
+// CharinfoReadList reads a byte slice into a list of Charinfo values.
 func CharinfoReadList(buf []byte, dest []Charinfo) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -2092,7 +2062,7 @@ func CharinfoReadList(buf []byte, dest []Charinfo) int {
 	return xgb.Pad(b)
 }
 
-// Struct write Charinfo
+// Bytes writes a Charinfo value to a byte slice.
 func (v Charinfo) Bytes() []byte {
 	buf := make([]byte, 12)
 	b := 0
@@ -2118,7 +2088,7 @@ func (v Charinfo) Bytes() []byte {
 	return buf
 }
 
-// Write struct list Charinfo
+// CharinfoListBytes writes a list of %s(MISSING) values to a byte slice.
 func CharinfoListBytes(buf []byte, list []Charinfo) int {
 	b := 0
 	var structBytes []byte
@@ -2130,14 +2100,12 @@ func CharinfoListBytes(buf []byte, list []Charinfo) int {
 	return b
 }
 
-// 'Str' struct definition
-// Size: (1 + xgb.Pad((int(NameLen) * 1)))
 type Str struct {
 	NameLen byte
 	Name    string // size: xgb.Pad((int(NameLen) * 1))
 }
 
-// Struct read Str
+// StrRead reads a byte slice into a Str value.
 func StrRead(buf []byte, v *Str) int {
 	b := 0
 
@@ -2154,7 +2122,7 @@ func StrRead(buf []byte, v *Str) int {
 	return b
 }
 
-// Struct list read Str
+// StrReadList reads a byte slice into a list of Str values.
 func StrReadList(buf []byte, dest []Str) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -2164,7 +2132,7 @@ func StrReadList(buf []byte, dest []Str) int {
 	return xgb.Pad(b)
 }
 
-// Struct write Str
+// Bytes writes a Str value to a byte slice.
 func (v Str) Bytes() []byte {
 	buf := make([]byte, (1 + xgb.Pad((int(v.NameLen) * 1))))
 	b := 0
@@ -2178,7 +2146,7 @@ func (v Str) Bytes() []byte {
 	return buf
 }
 
-// Write struct list Str
+// StrListBytes writes a list of %s(MISSING) values to a byte slice.
 func StrListBytes(buf []byte, list []Str) int {
 	b := 0
 	var structBytes []byte
@@ -2190,7 +2158,7 @@ func StrListBytes(buf []byte, list []Str) int {
 	return b
 }
 
-// Struct list size Str
+// StrListSize computes the size (bytes) of a list of Str values.
 func StrListSize(list []Str) int {
 	size := 0
 	for _, item := range list {
@@ -2199,8 +2167,6 @@ func StrListSize(list []Str) int {
 	return size
 }
 
-// 'Segment' struct definition
-// Size: 8
 type Segment struct {
 	X1 int16
 	Y1 int16
@@ -2208,7 +2174,7 @@ type Segment struct {
 	Y2 int16
 }
 
-// Struct read Segment
+// SegmentRead reads a byte slice into a Segment value.
 func SegmentRead(buf []byte, v *Segment) int {
 	b := 0
 
@@ -2227,7 +2193,7 @@ func SegmentRead(buf []byte, v *Segment) int {
 	return b
 }
 
-// Struct list read Segment
+// SegmentReadList reads a byte slice into a list of Segment values.
 func SegmentReadList(buf []byte, dest []Segment) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -2237,7 +2203,7 @@ func SegmentReadList(buf []byte, dest []Segment) int {
 	return xgb.Pad(b)
 }
 
-// Struct write Segment
+// Bytes writes a Segment value to a byte slice.
 func (v Segment) Bytes() []byte {
 	buf := make([]byte, 8)
 	b := 0
@@ -2257,7 +2223,7 @@ func (v Segment) Bytes() []byte {
 	return buf
 }
 
-// Write struct list Segment
+// SegmentListBytes writes a list of %s(MISSING) values to a byte slice.
 func SegmentListBytes(buf []byte, list []Segment) int {
 	b := 0
 	var structBytes []byte
@@ -2269,8 +2235,6 @@ func SegmentListBytes(buf []byte, list []Segment) int {
 	return b
 }
 
-// 'Coloritem' struct definition
-// Size: 12
 type Coloritem struct {
 	Pixel uint32
 	Red   uint16
@@ -2280,7 +2244,7 @@ type Coloritem struct {
 	// padding: 1 bytes
 }
 
-// Struct read Coloritem
+// ColoritemRead reads a byte slice into a Coloritem value.
 func ColoritemRead(buf []byte, v *Coloritem) int {
 	b := 0
 
@@ -2304,7 +2268,7 @@ func ColoritemRead(buf []byte, v *Coloritem) int {
 	return b
 }
 
-// Struct list read Coloritem
+// ColoritemReadList reads a byte slice into a list of Coloritem values.
 func ColoritemReadList(buf []byte, dest []Coloritem) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -2314,7 +2278,7 @@ func ColoritemReadList(buf []byte, dest []Coloritem) int {
 	return xgb.Pad(b)
 }
 
-// Struct write Coloritem
+// Bytes writes a Coloritem value to a byte slice.
 func (v Coloritem) Bytes() []byte {
 	buf := make([]byte, 12)
 	b := 0
@@ -2339,7 +2303,7 @@ func (v Coloritem) Bytes() []byte {
 	return buf
 }
 
-// Write struct list Coloritem
+// ColoritemListBytes writes a list of %s(MISSING) values to a byte slice.
 func ColoritemListBytes(buf []byte, list []Coloritem) int {
 	b := 0
 	var structBytes []byte
@@ -2351,8 +2315,6 @@ func ColoritemListBytes(buf []byte, list []Coloritem) int {
 	return b
 }
 
-// 'Rgb' struct definition
-// Size: 8
 type Rgb struct {
 	Red   uint16
 	Green uint16
@@ -2360,7 +2322,7 @@ type Rgb struct {
 	// padding: 2 bytes
 }
 
-// Struct read Rgb
+// RgbRead reads a byte slice into a Rgb value.
 func RgbRead(buf []byte, v *Rgb) int {
 	b := 0
 
@@ -2378,7 +2340,7 @@ func RgbRead(buf []byte, v *Rgb) int {
 	return b
 }
 
-// Struct list read Rgb
+// RgbReadList reads a byte slice into a list of Rgb values.
 func RgbReadList(buf []byte, dest []Rgb) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -2388,7 +2350,7 @@ func RgbReadList(buf []byte, dest []Rgb) int {
 	return xgb.Pad(b)
 }
 
-// Struct write Rgb
+// Bytes writes a Rgb value to a byte slice.
 func (v Rgb) Bytes() []byte {
 	buf := make([]byte, 8)
 	b := 0
@@ -2407,7 +2369,7 @@ func (v Rgb) Bytes() []byte {
 	return buf
 }
 
-// Write struct list Rgb
+// RgbListBytes writes a list of %s(MISSING) values to a byte slice.
 func RgbListBytes(buf []byte, list []Rgb) int {
 	b := 0
 	var structBytes []byte
@@ -2419,8 +2381,6 @@ func RgbListBytes(buf []byte, list []Rgb) int {
 	return b
 }
 
-// 'Host' struct definition
-// Size: (4 + xgb.Pad((int(AddressLen) * 1)))
 type Host struct {
 	Family byte
 	// padding: 1 bytes
@@ -2428,7 +2388,7 @@ type Host struct {
 	Address    []byte // size: xgb.Pad((int(AddressLen) * 1))
 }
 
-// Struct read Host
+// HostRead reads a byte slice into a Host value.
 func HostRead(buf []byte, v *Host) int {
 	b := 0
 
@@ -2447,7 +2407,7 @@ func HostRead(buf []byte, v *Host) int {
 	return b
 }
 
-// Struct list read Host
+// HostReadList reads a byte slice into a list of Host values.
 func HostReadList(buf []byte, dest []Host) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -2457,7 +2417,7 @@ func HostReadList(buf []byte, dest []Host) int {
 	return xgb.Pad(b)
 }
 
-// Struct write Host
+// Bytes writes a Host value to a byte slice.
 func (v Host) Bytes() []byte {
 	buf := make([]byte, (4 + xgb.Pad((int(v.AddressLen) * 1))))
 	b := 0
@@ -2476,7 +2436,7 @@ func (v Host) Bytes() []byte {
 	return buf
 }
 
-// Write struct list Host
+// HostListBytes writes a list of %s(MISSING) values to a byte slice.
 func HostListBytes(buf []byte, list []Host) int {
 	b := 0
 	var structBytes []byte
@@ -2488,7 +2448,7 @@ func HostListBytes(buf []byte, list []Host) int {
 	return b
 }
 
-// Struct list size Host
+// HostListSize computes the size (bytes) of a list of Host values.
 func HostListSize(list []Host) int {
 	size := 0
 	for _, item := range list {
@@ -2497,7 +2457,7 @@ func HostListSize(list []Host) int {
 	return size
 }
 
-// Union definition ClientMessageDataUnion
+// ClientMessageDataUnion is a represention of the ClientMessageDataUnion union type.
 // Note that to *create* a Union, you should *never* create
 // this struct directly (unless you know what you're doing).
 // Instead use one of the following constructors for 'ClientMessageDataUnion':
@@ -2510,7 +2470,7 @@ type ClientMessageDataUnion struct {
 	Data32 []uint32 // size: 20
 }
 
-// Union constructor for ClientMessageDataUnion for field Data8.
+// ClientMessageDataUnionData8New constructs a new ClientMessageDataUnion union type with the Data8 field.
 func ClientMessageDataUnionData8New(Data8 []byte) ClientMessageDataUnion {
 	var b int
 	buf := make([]byte, 20)
@@ -2547,7 +2507,7 @@ func ClientMessageDataUnionData8New(Data8 []byte) ClientMessageDataUnion {
 	return v
 }
 
-// Union constructor for ClientMessageDataUnion for field Data16.
+// ClientMessageDataUnionData16New constructs a new ClientMessageDataUnion union type with the Data16 field.
 func ClientMessageDataUnionData16New(Data16 []uint16) ClientMessageDataUnion {
 	var b int
 	buf := make([]byte, 20)
@@ -2587,7 +2547,7 @@ func ClientMessageDataUnionData16New(Data16 []uint16) ClientMessageDataUnion {
 	return v
 }
 
-// Union constructor for ClientMessageDataUnion for field Data32.
+// ClientMessageDataUnionData32New constructs a new ClientMessageDataUnion union type with the Data32 field.
 func ClientMessageDataUnionData32New(Data32 []uint32) ClientMessageDataUnion {
 	var b int
 	buf := make([]byte, 20)
@@ -2627,7 +2587,7 @@ func ClientMessageDataUnionData32New(Data32 []uint32) ClientMessageDataUnion {
 	return v
 }
 
-// Union read ClientMessageDataUnion
+// ClientMessageDataUnionRead reads a byte slice into a ClientMessageDataUnion value.
 func ClientMessageDataUnionRead(buf []byte, v *ClientMessageDataUnion) int {
 	var b int
 
@@ -2655,7 +2615,7 @@ func ClientMessageDataUnionRead(buf []byte, v *ClientMessageDataUnion) int {
 	return 20
 }
 
-// Union list read ClientMessageDataUnion
+// ClientMessageDataUnionReadList reads a byte slice into a list of ClientMessageDataUnion values.
 func ClientMessageDataUnionReadList(buf []byte, dest []ClientMessageDataUnion) int {
 	b := 0
 	for i := 0; i < len(dest); i++ {
@@ -2665,7 +2625,7 @@ func ClientMessageDataUnionReadList(buf []byte, dest []ClientMessageDataUnion) i
 	return xgb.Pad(b)
 }
 
-// Union write ClientMessageDataUnion
+// Bytes writes a ClientMessageDataUnion value to a byte slice.
 // Each field in a union must contain the same data.
 // So simply pick the first field and write that to the wire.
 func (v ClientMessageDataUnion) Bytes() []byte {
@@ -2677,7 +2637,7 @@ func (v ClientMessageDataUnion) Bytes() []byte {
 	return buf
 }
 
-// Union list write ClientMessageDataUnion
+// ClientMessageDataUnionListBytes writes a list of %s(MISSING) values to a byte slice.
 func ClientMessageDataUnionListBytes(buf []byte, list []ClientMessageDataUnion) int {
 	b := 0
 	var unionBytes []byte
@@ -2689,9 +2649,7 @@ func ClientMessageDataUnionListBytes(buf []byte, list []ClientMessageDataUnion)
 	return b
 }
 
-// Event definition KeyPress (2)
-// Size: 32
-
+// KeyPress is the event number for a KeyPressEvent.
 const KeyPress = 2
 
 type KeyPressEvent struct {
@@ -2710,7 +2668,7 @@ type KeyPressEvent struct {
 	// padding: 1 bytes
 }
 
-// Event read KeyPress
+// KeyPressEventNew constructs a KeyPressEvent value that implements xgb.Event from a byte slice.
 func KeyPressEventNew(buf []byte) xgb.Event {
 	v := KeyPressEvent{}
 	b := 1 // don't read event number
@@ -2760,7 +2718,7 @@ func KeyPressEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write KeyPress
+// Bytes writes a KeyPressEvent value to a byte slice.
 func (v KeyPressEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -2813,12 +2771,14 @@ func (v KeyPressEvent) Bytes() []byte {
 	return buf
 }
 
-func (v KeyPressEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the KeyPress event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v KeyPressEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of KeyPressEvent.
 func (v KeyPressEvent) String() string {
 	fieldVals := make([]string, 0, 12)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -2840,9 +2800,7 @@ func init() {
 	xgb.NewEventFuncs[2] = KeyPressEventNew
 }
 
-// Event definition ButtonPress (4)
-// Size: 32
-
+// ButtonPress is the event number for a ButtonPressEvent.
 const ButtonPress = 4
 
 type ButtonPressEvent struct {
@@ -2861,7 +2819,7 @@ type ButtonPressEvent struct {
 	// padding: 1 bytes
 }
 
-// Event read ButtonPress
+// ButtonPressEventNew constructs a ButtonPressEvent value that implements xgb.Event from a byte slice.
 func ButtonPressEventNew(buf []byte) xgb.Event {
 	v := ButtonPressEvent{}
 	b := 1 // don't read event number
@@ -2911,7 +2869,7 @@ func ButtonPressEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write ButtonPress
+// Bytes writes a ButtonPressEvent value to a byte slice.
 func (v ButtonPressEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -2964,12 +2922,14 @@ func (v ButtonPressEvent) Bytes() []byte {
 	return buf
 }
 
-func (v ButtonPressEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the ButtonPress event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v ButtonPressEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of ButtonPressEvent.
 func (v ButtonPressEvent) String() string {
 	fieldVals := make([]string, 0, 12)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -2991,9 +2951,7 @@ func init() {
 	xgb.NewEventFuncs[4] = ButtonPressEventNew
 }
 
-// Event definition MotionNotify (6)
-// Size: 32
-
+// MotionNotify is the event number for a MotionNotifyEvent.
 const MotionNotify = 6
 
 type MotionNotifyEvent struct {
@@ -3012,7 +2970,7 @@ type MotionNotifyEvent struct {
 	// padding: 1 bytes
 }
 
-// Event read MotionNotify
+// MotionNotifyEventNew constructs a MotionNotifyEvent value that implements xgb.Event from a byte slice.
 func MotionNotifyEventNew(buf []byte) xgb.Event {
 	v := MotionNotifyEvent{}
 	b := 1 // don't read event number
@@ -3062,7 +3020,7 @@ func MotionNotifyEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write MotionNotify
+// Bytes writes a MotionNotifyEvent value to a byte slice.
 func (v MotionNotifyEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -3115,12 +3073,14 @@ func (v MotionNotifyEvent) Bytes() []byte {
 	return buf
 }
 
-func (v MotionNotifyEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the MotionNotify event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v MotionNotifyEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of MotionNotifyEvent.
 func (v MotionNotifyEvent) String() string {
 	fieldVals := make([]string, 0, 12)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -3142,9 +3102,7 @@ func init() {
 	xgb.NewEventFuncs[6] = MotionNotifyEventNew
 }
 
-// Event definition EnterNotify (7)
-// Size: 32
-
+// EnterNotify is the event number for a EnterNotifyEvent.
 const EnterNotify = 7
 
 type EnterNotifyEvent struct {
@@ -3163,7 +3121,7 @@ type EnterNotifyEvent struct {
 	SameScreenFocus byte
 }
 
-// Event read EnterNotify
+// EnterNotifyEventNew constructs a EnterNotifyEvent value that implements xgb.Event from a byte slice.
 func EnterNotifyEventNew(buf []byte) xgb.Event {
 	v := EnterNotifyEvent{}
 	b := 1 // don't read event number
@@ -3210,7 +3168,7 @@ func EnterNotifyEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write EnterNotify
+// Bytes writes a EnterNotifyEvent value to a byte slice.
 func (v EnterNotifyEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -3260,12 +3218,14 @@ func (v EnterNotifyEvent) Bytes() []byte {
 	return buf
 }
 
-func (v EnterNotifyEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the EnterNotify event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v EnterNotifyEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of EnterNotifyEvent.
 func (v EnterNotifyEvent) String() string {
 	fieldVals := make([]string, 0, 12)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -3288,9 +3248,7 @@ func init() {
 	xgb.NewEventFuncs[7] = EnterNotifyEventNew
 }
 
-// Event definition FocusIn (9)
-// Size: 32
-
+// FocusIn is the event number for a FocusInEvent.
 const FocusIn = 9
 
 type FocusInEvent struct {
@@ -3301,7 +3259,7 @@ type FocusInEvent struct {
 	// padding: 3 bytes
 }
 
-// Event read FocusIn
+// FocusInEventNew constructs a FocusInEvent value that implements xgb.Event from a byte slice.
 func FocusInEventNew(buf []byte) xgb.Event {
 	v := FocusInEvent{}
 	b := 1 // don't read event number
@@ -3323,7 +3281,7 @@ func FocusInEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write FocusIn
+// Bytes writes a FocusInEvent value to a byte slice.
 func (v FocusInEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -3348,12 +3306,14 @@ func (v FocusInEvent) Bytes() []byte {
 	return buf
 }
 
-func (v FocusInEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the FocusIn event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v FocusInEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of FocusInEvent.
 func (v FocusInEvent) String() string {
 	fieldVals := make([]string, 0, 4)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -3367,16 +3327,14 @@ func init() {
 	xgb.NewEventFuncs[9] = FocusInEventNew
 }
 
-// Event definition KeymapNotify (11)
-// Size: 32
-
+// KeymapNotify is the event number for a KeymapNotifyEvent.
 const KeymapNotify = 11
 
 type KeymapNotifyEvent struct {
 	Keys []byte // size: 32
 }
 
-// Event read KeymapNotify
+// KeymapNotifyEventNew constructs a KeymapNotifyEvent value that implements xgb.Event from a byte slice.
 func KeymapNotifyEventNew(buf []byte) xgb.Event {
 	v := KeymapNotifyEvent{}
 	b := 1 // don't read event number
@@ -3388,7 +3346,7 @@ func KeymapNotifyEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write KeymapNotify
+// Bytes writes a KeymapNotifyEvent value to a byte slice.
 func (v KeymapNotifyEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -3403,12 +3361,14 @@ func (v KeymapNotifyEvent) Bytes() []byte {
 	return buf
 }
 
-func (v KeymapNotifyEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the KeymapNotify event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v KeymapNotifyEvent) SequenceId() uint16 {
 	return uint16(0)
 }
 
+// String is a rudimentary string representation of KeymapNotifyEvent.
 func (v KeymapNotifyEvent) String() string {
 	fieldVals := make([]string, 0, 1)
 	return "KeymapNotify {" + xgb.StringsJoin(fieldVals, ", ") + "}"
@@ -3418,9 +3378,7 @@ func init() {
 	xgb.NewEventFuncs[11] = KeymapNotifyEventNew
 }
 
-// Event definition Expose (12)
-// Size: 32
-
+// Expose is the event number for a ExposeEvent.
 const Expose = 12
 
 type ExposeEvent struct {
@@ -3435,7 +3393,7 @@ type ExposeEvent struct {
 	// padding: 2 bytes
 }
 
-// Event read Expose
+// ExposeEventNew constructs a ExposeEvent value that implements xgb.Event from a byte slice.
 func ExposeEventNew(buf []byte) xgb.Event {
 	v := ExposeEvent{}
 	b := 1 // don't read event number
@@ -3468,7 +3426,7 @@ func ExposeEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write Expose
+// Bytes writes a ExposeEvent value to a byte slice.
 func (v ExposeEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -3504,12 +3462,14 @@ func (v ExposeEvent) Bytes() []byte {
 	return buf
 }
 
-func (v ExposeEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the Expose event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v ExposeEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of ExposeEvent.
 func (v ExposeEvent) String() string {
 	fieldVals := make([]string, 0, 8)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -3526,9 +3486,7 @@ func init() {
 	xgb.NewEventFuncs[12] = ExposeEventNew
 }
 
-// Event definition GraphicsExposure (13)
-// Size: 32
-
+// GraphicsExposure is the event number for a GraphicsExposureEvent.
 const GraphicsExposure = 13
 
 type GraphicsExposureEvent struct {
@@ -3545,7 +3503,7 @@ type GraphicsExposureEvent struct {
 	// padding: 3 bytes
 }
 
-// Event read GraphicsExposure
+// GraphicsExposureEventNew constructs a GraphicsExposureEvent value that implements xgb.Event from a byte slice.
 func GraphicsExposureEventNew(buf []byte) xgb.Event {
 	v := GraphicsExposureEvent{}
 	b := 1 // don't read event number
@@ -3584,7 +3542,7 @@ func GraphicsExposureEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write GraphicsExposure
+// Bytes writes a GraphicsExposureEvent value to a byte slice.
 func (v GraphicsExposureEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -3626,12 +3584,14 @@ func (v GraphicsExposureEvent) Bytes() []byte {
 	return buf
 }
 
-func (v GraphicsExposureEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the GraphicsExposure event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v GraphicsExposureEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of GraphicsExposureEvent.
 func (v GraphicsExposureEvent) String() string {
 	fieldVals := make([]string, 0, 10)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -3650,9 +3610,7 @@ func init() {
 	xgb.NewEventFuncs[13] = GraphicsExposureEventNew
 }
 
-// Event definition NoExposure (14)
-// Size: 32
-
+// NoExposure is the event number for a NoExposureEvent.
 const NoExposure = 14
 
 type NoExposureEvent struct {
@@ -3664,7 +3622,7 @@ type NoExposureEvent struct {
 	// padding: 1 bytes
 }
 
-// Event read NoExposure
+// NoExposureEventNew constructs a NoExposureEvent value that implements xgb.Event from a byte slice.
 func NoExposureEventNew(buf []byte) xgb.Event {
 	v := NoExposureEvent{}
 	b := 1 // don't read event number
@@ -3688,7 +3646,7 @@ func NoExposureEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write NoExposure
+// Bytes writes a NoExposureEvent value to a byte slice.
 func (v NoExposureEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -3715,12 +3673,14 @@ func (v NoExposureEvent) Bytes() []byte {
 	return buf
 }
 
-func (v NoExposureEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the NoExposure event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v NoExposureEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of NoExposureEvent.
 func (v NoExposureEvent) String() string {
 	fieldVals := make([]string, 0, 5)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -3734,9 +3694,7 @@ func init() {
 	xgb.NewEventFuncs[14] = NoExposureEventNew
 }
 
-// Event definition VisibilityNotify (15)
-// Size: 32
-
+// VisibilityNotify is the event number for a VisibilityNotifyEvent.
 const VisibilityNotify = 15
 
 type VisibilityNotifyEvent struct {
@@ -3747,7 +3705,7 @@ type VisibilityNotifyEvent struct {
 	// padding: 3 bytes
 }
 
-// Event read VisibilityNotify
+// VisibilityNotifyEventNew constructs a VisibilityNotifyEvent value that implements xgb.Event from a byte slice.
 func VisibilityNotifyEventNew(buf []byte) xgb.Event {
 	v := VisibilityNotifyEvent{}
 	b := 1 // don't read event number
@@ -3768,7 +3726,7 @@ func VisibilityNotifyEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write VisibilityNotify
+// Bytes writes a VisibilityNotifyEvent value to a byte slice.
 func (v VisibilityNotifyEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -3792,12 +3750,14 @@ func (v VisibilityNotifyEvent) Bytes() []byte {
 	return buf
 }
 
-func (v VisibilityNotifyEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the VisibilityNotify event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v VisibilityNotifyEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of VisibilityNotifyEvent.
 func (v VisibilityNotifyEvent) String() string {
 	fieldVals := make([]string, 0, 4)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -3810,9 +3770,7 @@ func init() {
 	xgb.NewEventFuncs[15] = VisibilityNotifyEventNew
 }
 
-// Event definition CreateNotify (16)
-// Size: 32
-
+// CreateNotify is the event number for a CreateNotifyEvent.
 const CreateNotify = 16
 
 type CreateNotifyEvent struct {
@@ -3829,7 +3787,7 @@ type CreateNotifyEvent struct {
 	// padding: 1 bytes
 }
 
-// Event read CreateNotify
+// CreateNotifyEventNew constructs a CreateNotifyEvent value that implements xgb.Event from a byte slice.
 func CreateNotifyEventNew(buf []byte) xgb.Event {
 	v := CreateNotifyEvent{}
 	b := 1 // don't read event number
@@ -3872,7 +3830,7 @@ func CreateNotifyEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write CreateNotify
+// Bytes writes a CreateNotifyEvent value to a byte slice.
 func (v CreateNotifyEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -3918,12 +3876,14 @@ func (v CreateNotifyEvent) Bytes() []byte {
 	return buf
 }
 
-func (v CreateNotifyEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the CreateNotify event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v CreateNotifyEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of CreateNotifyEvent.
 func (v CreateNotifyEvent) String() string {
 	fieldVals := make([]string, 0, 10)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -3942,9 +3902,7 @@ func init() {
 	xgb.NewEventFuncs[16] = CreateNotifyEventNew
 }
 
-// Event definition DestroyNotify (17)
-// Size: 32
-
+// DestroyNotify is the event number for a DestroyNotifyEvent.
 const DestroyNotify = 17
 
 type DestroyNotifyEvent struct {
@@ -3954,7 +3912,7 @@ type DestroyNotifyEvent struct {
 	Window Window
 }
 
-// Event read DestroyNotify
+// DestroyNotifyEventNew constructs a DestroyNotifyEvent value that implements xgb.Event from a byte slice.
 func DestroyNotifyEventNew(buf []byte) xgb.Event {
 	v := DestroyNotifyEvent{}
 	b := 1 // don't read event number
@@ -3973,7 +3931,7 @@ func DestroyNotifyEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write DestroyNotify
+// Bytes writes a DestroyNotifyEvent value to a byte slice.
 func (v DestroyNotifyEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -3995,12 +3953,14 @@ func (v DestroyNotifyEvent) Bytes() []byte {
 	return buf
 }
 
-func (v DestroyNotifyEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the DestroyNotify event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v DestroyNotifyEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of DestroyNotifyEvent.
 func (v DestroyNotifyEvent) String() string {
 	fieldVals := make([]string, 0, 3)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -4013,9 +3973,7 @@ func init() {
 	xgb.NewEventFuncs[17] = DestroyNotifyEventNew
 }
 
-// Event definition UnmapNotify (18)
-// Size: 32
-
+// UnmapNotify is the event number for a UnmapNotifyEvent.
 const UnmapNotify = 18
 
 type UnmapNotifyEvent struct {
@@ -4027,7 +3985,7 @@ type UnmapNotifyEvent struct {
 	// padding: 3 bytes
 }
 
-// Event read UnmapNotify
+// UnmapNotifyEventNew constructs a UnmapNotifyEvent value that implements xgb.Event from a byte slice.
 func UnmapNotifyEventNew(buf []byte) xgb.Event {
 	v := UnmapNotifyEvent{}
 	b := 1 // don't read event number
@@ -4055,7 +4013,7 @@ func UnmapNotifyEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write UnmapNotify
+// Bytes writes a UnmapNotifyEvent value to a byte slice.
 func (v UnmapNotifyEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -4086,12 +4044,14 @@ func (v UnmapNotifyEvent) Bytes() []byte {
 	return buf
 }
 
-func (v UnmapNotifyEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the UnmapNotify event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v UnmapNotifyEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of UnmapNotifyEvent.
 func (v UnmapNotifyEvent) String() string {
 	fieldVals := make([]string, 0, 5)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -4105,9 +4065,7 @@ func init() {
 	xgb.NewEventFuncs[18] = UnmapNotifyEventNew
 }
 
-// Event definition MapNotify (19)
-// Size: 32
-
+// MapNotify is the event number for a MapNotifyEvent.
 const MapNotify = 19
 
 type MapNotifyEvent struct {
@@ -4119,7 +4077,7 @@ type MapNotifyEvent struct {
 	// padding: 3 bytes
 }
 
-// Event read MapNotify
+// MapNotifyEventNew constructs a MapNotifyEvent value that implements xgb.Event from a byte slice.
 func MapNotifyEventNew(buf []byte) xgb.Event {
 	v := MapNotifyEvent{}
 	b := 1 // don't read event number
@@ -4147,7 +4105,7 @@ func MapNotifyEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write MapNotify
+// Bytes writes a MapNotifyEvent value to a byte slice.
 func (v MapNotifyEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -4178,12 +4136,14 @@ func (v MapNotifyEvent) Bytes() []byte {
 	return buf
 }
 
-func (v MapNotifyEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the MapNotify event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v MapNotifyEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of MapNotifyEvent.
 func (v MapNotifyEvent) String() string {
 	fieldVals := make([]string, 0, 5)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -4197,9 +4157,7 @@ func init() {
 	xgb.NewEventFuncs[19] = MapNotifyEventNew
 }
 
-// Event definition MapRequest (20)
-// Size: 32
-
+// MapRequest is the event number for a MapRequestEvent.
 const MapRequest = 20
 
 type MapRequestEvent struct {
@@ -4209,7 +4167,7 @@ type MapRequestEvent struct {
 	Window Window
 }
 
-// Event read MapRequest
+// MapRequestEventNew constructs a MapRequestEvent value that implements xgb.Event from a byte slice.
 func MapRequestEventNew(buf []byte) xgb.Event {
 	v := MapRequestEvent{}
 	b := 1 // don't read event number
@@ -4228,7 +4186,7 @@ func MapRequestEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write MapRequest
+// Bytes writes a MapRequestEvent value to a byte slice.
 func (v MapRequestEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -4250,12 +4208,14 @@ func (v MapRequestEvent) Bytes() []byte {
 	return buf
 }
 
-func (v MapRequestEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the MapRequest event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v MapRequestEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of MapRequestEvent.
 func (v MapRequestEvent) String() string {
 	fieldVals := make([]string, 0, 3)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -4268,9 +4228,7 @@ func init() {
 	xgb.NewEventFuncs[20] = MapRequestEventNew
 }
 
-// Event definition ReparentNotify (21)
-// Size: 32
-
+// ReparentNotify is the event number for a ReparentNotifyEvent.
 const ReparentNotify = 21
 
 type ReparentNotifyEvent struct {
@@ -4285,7 +4243,7 @@ type ReparentNotifyEvent struct {
 	// padding: 3 bytes
 }
 
-// Event read ReparentNotify
+// ReparentNotifyEventNew constructs a ReparentNotifyEvent value that implements xgb.Event from a byte slice.
 func ReparentNotifyEventNew(buf []byte) xgb.Event {
 	v := ReparentNotifyEvent{}
 	b := 1 // don't read event number
@@ -4322,7 +4280,7 @@ func ReparentNotifyEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write ReparentNotify
+// Bytes writes a ReparentNotifyEvent value to a byte slice.
 func (v ReparentNotifyEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -4362,12 +4320,14 @@ func (v ReparentNotifyEvent) Bytes() []byte {
 	return buf
 }
 
-func (v ReparentNotifyEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the ReparentNotify event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v ReparentNotifyEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of ReparentNotifyEvent.
 func (v ReparentNotifyEvent) String() string {
 	fieldVals := make([]string, 0, 8)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -4384,9 +4344,7 @@ func init() {
 	xgb.NewEventFuncs[21] = ReparentNotifyEventNew
 }
 
-// Event definition ConfigureNotify (22)
-// Size: 32
-
+// ConfigureNotify is the event number for a ConfigureNotifyEvent.
 const ConfigureNotify = 22
 
 type ConfigureNotifyEvent struct {
@@ -4404,7 +4362,7 @@ type ConfigureNotifyEvent struct {
 	// padding: 1 bytes
 }
 
-// Event read ConfigureNotify
+// ConfigureNotifyEventNew constructs a ConfigureNotifyEvent value that implements xgb.Event from a byte slice.
 func ConfigureNotifyEventNew(buf []byte) xgb.Event {
 	v := ConfigureNotifyEvent{}
 	b := 1 // don't read event number
@@ -4450,7 +4408,7 @@ func ConfigureNotifyEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write ConfigureNotify
+// Bytes writes a ConfigureNotifyEvent value to a byte slice.
 func (v ConfigureNotifyEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -4499,12 +4457,14 @@ func (v ConfigureNotifyEvent) Bytes() []byte {
 	return buf
 }
 
-func (v ConfigureNotifyEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the ConfigureNotify event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v ConfigureNotifyEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of ConfigureNotifyEvent.
 func (v ConfigureNotifyEvent) String() string {
 	fieldVals := make([]string, 0, 11)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -4524,9 +4484,7 @@ func init() {
 	xgb.NewEventFuncs[22] = ConfigureNotifyEventNew
 }
 
-// Event definition ConfigureRequest (23)
-// Size: 32
-
+// ConfigureRequest is the event number for a ConfigureRequestEvent.
 const ConfigureRequest = 23
 
 type ConfigureRequestEvent struct {
@@ -4543,7 +4501,7 @@ type ConfigureRequestEvent struct {
 	ValueMask   uint16
 }
 
-// Event read ConfigureRequest
+// ConfigureRequestEventNew constructs a ConfigureRequestEvent value that implements xgb.Event from a byte slice.
 func ConfigureRequestEventNew(buf []byte) xgb.Event {
 	v := ConfigureRequestEvent{}
 	b := 1 // don't read event number
@@ -4584,7 +4542,7 @@ func ConfigureRequestEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write ConfigureRequest
+// Bytes writes a ConfigureRequestEvent value to a byte slice.
 func (v ConfigureRequestEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -4628,12 +4586,14 @@ func (v ConfigureRequestEvent) Bytes() []byte {
 	return buf
 }
 
-func (v ConfigureRequestEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the ConfigureRequest event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v ConfigureRequestEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of ConfigureRequestEvent.
 func (v ConfigureRequestEvent) String() string {
 	fieldVals := make([]string, 0, 10)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -4654,9 +4614,7 @@ func init() {
 	xgb.NewEventFuncs[23] = ConfigureRequestEventNew
 }
 
-// Event definition GravityNotify (24)
-// Size: 32
-
+// GravityNotify is the event number for a GravityNotifyEvent.
 const GravityNotify = 24
 
 type GravityNotifyEvent struct {
@@ -4668,7 +4626,7 @@ type GravityNotifyEvent struct {
 	Y      int16
 }
 
-// Event read GravityNotify
+// GravityNotifyEventNew constructs a GravityNotifyEvent value that implements xgb.Event from a byte slice.
 func GravityNotifyEventNew(buf []byte) xgb.Event {
 	v := GravityNotifyEvent{}
 	b := 1 // don't read event number
@@ -4693,7 +4651,7 @@ func GravityNotifyEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write GravityNotify
+// Bytes writes a GravityNotifyEvent value to a byte slice.
 func (v GravityNotifyEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -4721,12 +4679,14 @@ func (v GravityNotifyEvent) Bytes() []byte {
 	return buf
 }
 
-func (v GravityNotifyEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the GravityNotify event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v GravityNotifyEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of GravityNotifyEvent.
 func (v GravityNotifyEvent) String() string {
 	fieldVals := make([]string, 0, 5)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -4741,9 +4701,7 @@ func init() {
 	xgb.NewEventFuncs[24] = GravityNotifyEventNew
 }
 
-// Event definition ResizeRequest (25)
-// Size: 32
-
+// ResizeRequest is the event number for a ResizeRequestEvent.
 const ResizeRequest = 25
 
 type ResizeRequestEvent struct {
@@ -4754,7 +4712,7 @@ type ResizeRequestEvent struct {
 	Height uint16
 }
 
-// Event read ResizeRequest
+// ResizeRequestEventNew constructs a ResizeRequestEvent value that implements xgb.Event from a byte slice.
 func ResizeRequestEventNew(buf []byte) xgb.Event {
 	v := ResizeRequestEvent{}
 	b := 1 // don't read event number
@@ -4776,7 +4734,7 @@ func ResizeRequestEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write ResizeRequest
+// Bytes writes a ResizeRequestEvent value to a byte slice.
 func (v ResizeRequestEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -4801,12 +4759,14 @@ func (v ResizeRequestEvent) Bytes() []byte {
 	return buf
 }
 
-func (v ResizeRequestEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the ResizeRequest event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v ResizeRequestEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of ResizeRequestEvent.
 func (v ResizeRequestEvent) String() string {
 	fieldVals := make([]string, 0, 4)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -4820,9 +4780,7 @@ func init() {
 	xgb.NewEventFuncs[25] = ResizeRequestEventNew
 }
 
-// Event definition CirculateNotify (26)
-// Size: 32
-
+// CirculateNotify is the event number for a CirculateNotifyEvent.
 const CirculateNotify = 26
 
 type CirculateNotifyEvent struct {
@@ -4835,7 +4793,7 @@ type CirculateNotifyEvent struct {
 	// padding: 3 bytes
 }
 
-// Event read CirculateNotify
+// CirculateNotifyEventNew constructs a CirculateNotifyEvent value that implements xgb.Event from a byte slice.
 func CirculateNotifyEventNew(buf []byte) xgb.Event {
 	v := CirculateNotifyEvent{}
 	b := 1 // don't read event number
@@ -4861,7 +4819,7 @@ func CirculateNotifyEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write CirculateNotify
+// Bytes writes a CirculateNotifyEvent value to a byte slice.
 func (v CirculateNotifyEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -4890,12 +4848,14 @@ func (v CirculateNotifyEvent) Bytes() []byte {
 	return buf
 }
 
-func (v CirculateNotifyEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the CirculateNotify event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v CirculateNotifyEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of CirculateNotifyEvent.
 func (v CirculateNotifyEvent) String() string {
 	fieldVals := make([]string, 0, 6)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -4909,9 +4869,7 @@ func init() {
 	xgb.NewEventFuncs[26] = CirculateNotifyEventNew
 }
 
-// Event definition PropertyNotify (28)
-// Size: 32
-
+// PropertyNotify is the event number for a PropertyNotifyEvent.
 const PropertyNotify = 28
 
 type PropertyNotifyEvent struct {
@@ -4924,7 +4882,7 @@ type PropertyNotifyEvent struct {
 	// padding: 3 bytes
 }
 
-// Event read PropertyNotify
+// PropertyNotifyEventNew constructs a PropertyNotifyEvent value that implements xgb.Event from a byte slice.
 func PropertyNotifyEventNew(buf []byte) xgb.Event {
 	v := PropertyNotifyEvent{}
 	b := 1 // don't read event number
@@ -4951,7 +4909,7 @@ func PropertyNotifyEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write PropertyNotify
+// Bytes writes a PropertyNotifyEvent value to a byte slice.
 func (v PropertyNotifyEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -4981,12 +4939,14 @@ func (v PropertyNotifyEvent) Bytes() []byte {
 	return buf
 }
 
-func (v PropertyNotifyEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the PropertyNotify event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v PropertyNotifyEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of PropertyNotifyEvent.
 func (v PropertyNotifyEvent) String() string {
 	fieldVals := make([]string, 0, 6)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -5001,9 +4961,7 @@ func init() {
 	xgb.NewEventFuncs[28] = PropertyNotifyEventNew
 }
 
-// Event definition SelectionClear (29)
-// Size: 32
-
+// SelectionClear is the event number for a SelectionClearEvent.
 const SelectionClear = 29
 
 type SelectionClearEvent struct {
@@ -5014,7 +4972,7 @@ type SelectionClearEvent struct {
 	Selection Atom
 }
 
-// Event read SelectionClear
+// SelectionClearEventNew constructs a SelectionClearEvent value that implements xgb.Event from a byte slice.
 func SelectionClearEventNew(buf []byte) xgb.Event {
 	v := SelectionClearEvent{}
 	b := 1 // don't read event number
@@ -5036,7 +4994,7 @@ func SelectionClearEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write SelectionClear
+// Bytes writes a SelectionClearEvent value to a byte slice.
 func (v SelectionClearEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -5061,12 +5019,14 @@ func (v SelectionClearEvent) Bytes() []byte {
 	return buf
 }
 
-func (v SelectionClearEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the SelectionClear event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v SelectionClearEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of SelectionClearEvent.
 func (v SelectionClearEvent) String() string {
 	fieldVals := make([]string, 0, 4)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -5080,9 +5040,7 @@ func init() {
 	xgb.NewEventFuncs[29] = SelectionClearEventNew
 }
 
-// Event definition SelectionRequest (30)
-// Size: 32
-
+// SelectionRequest is the event number for a SelectionRequestEvent.
 const SelectionRequest = 30
 
 type SelectionRequestEvent struct {
@@ -5096,7 +5054,7 @@ type SelectionRequestEvent struct {
 	Property  Atom
 }
 
-// Event read SelectionRequest
+// SelectionRequestEventNew constructs a SelectionRequestEvent value that implements xgb.Event from a byte slice.
 func SelectionRequestEventNew(buf []byte) xgb.Event {
 	v := SelectionRequestEvent{}
 	b := 1 // don't read event number
@@ -5127,7 +5085,7 @@ func SelectionRequestEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write SelectionRequest
+// Bytes writes a SelectionRequestEvent value to a byte slice.
 func (v SelectionRequestEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -5161,12 +5119,14 @@ func (v SelectionRequestEvent) Bytes() []byte {
 	return buf
 }
 
-func (v SelectionRequestEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the SelectionRequest event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v SelectionRequestEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of SelectionRequestEvent.
 func (v SelectionRequestEvent) String() string {
 	fieldVals := make([]string, 0, 7)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -5183,9 +5143,7 @@ func init() {
 	xgb.NewEventFuncs[30] = SelectionRequestEventNew
 }
 
-// Event definition SelectionNotify (31)
-// Size: 32
-
+// SelectionNotify is the event number for a SelectionNotifyEvent.
 const SelectionNotify = 31
 
 type SelectionNotifyEvent struct {
@@ -5198,7 +5156,7 @@ type SelectionNotifyEvent struct {
 	Property  Atom
 }
 
-// Event read SelectionNotify
+// SelectionNotifyEventNew constructs a SelectionNotifyEvent value that implements xgb.Event from a byte slice.
 func SelectionNotifyEventNew(buf []byte) xgb.Event {
 	v := SelectionNotifyEvent{}
 	b := 1 // don't read event number
@@ -5226,7 +5184,7 @@ func SelectionNotifyEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write SelectionNotify
+// Bytes writes a SelectionNotifyEvent value to a byte slice.
 func (v SelectionNotifyEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -5257,12 +5215,14 @@ func (v SelectionNotifyEvent) Bytes() []byte {
 	return buf
 }
 
-func (v SelectionNotifyEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the SelectionNotify event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v SelectionNotifyEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of SelectionNotifyEvent.
 func (v SelectionNotifyEvent) String() string {
 	fieldVals := make([]string, 0, 6)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -5278,9 +5238,7 @@ func init() {
 	xgb.NewEventFuncs[31] = SelectionNotifyEventNew
 }
 
-// Event definition ColormapNotify (32)
-// Size: 32
-
+// ColormapNotify is the event number for a ColormapNotifyEvent.
 const ColormapNotify = 32
 
 type ColormapNotifyEvent struct {
@@ -5293,7 +5251,7 @@ type ColormapNotifyEvent struct {
 	// padding: 2 bytes
 }
 
-// Event read ColormapNotify
+// ColormapNotifyEventNew constructs a ColormapNotifyEvent value that implements xgb.Event from a byte slice.
 func ColormapNotifyEventNew(buf []byte) xgb.Event {
 	v := ColormapNotifyEvent{}
 	b := 1 // don't read event number
@@ -5324,7 +5282,7 @@ func ColormapNotifyEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write ColormapNotify
+// Bytes writes a ColormapNotifyEvent value to a byte slice.
 func (v ColormapNotifyEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -5358,12 +5316,14 @@ func (v ColormapNotifyEvent) Bytes() []byte {
 	return buf
 }
 
-func (v ColormapNotifyEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the ColormapNotify event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v ColormapNotifyEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of ColormapNotifyEvent.
 func (v ColormapNotifyEvent) String() string {
 	fieldVals := make([]string, 0, 6)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -5378,9 +5338,7 @@ func init() {
 	xgb.NewEventFuncs[32] = ColormapNotifyEventNew
 }
 
-// Event definition ClientMessage (33)
-// Size: 32
-
+// ClientMessage is the event number for a ClientMessageEvent.
 const ClientMessage = 33
 
 type ClientMessageEvent struct {
@@ -5391,7 +5349,7 @@ type ClientMessageEvent struct {
 	Data     ClientMessageDataUnion
 }
 
-// Event read ClientMessage
+// ClientMessageEventNew constructs a ClientMessageEvent value that implements xgb.Event from a byte slice.
 func ClientMessageEventNew(buf []byte) xgb.Event {
 	v := ClientMessageEvent{}
 	b := 1 // don't read event number
@@ -5414,7 +5372,7 @@ func ClientMessageEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write ClientMessage
+// Bytes writes a ClientMessageEvent value to a byte slice.
 func (v ClientMessageEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -5443,12 +5401,14 @@ func (v ClientMessageEvent) Bytes() []byte {
 	return buf
 }
 
-func (v ClientMessageEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the ClientMessage event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v ClientMessageEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of ClientMessageEvent.
 func (v ClientMessageEvent) String() string {
 	fieldVals := make([]string, 0, 4)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -5462,9 +5422,7 @@ func init() {
 	xgb.NewEventFuncs[33] = ClientMessageEventNew
 }
 
-// Event definition MappingNotify (34)
-// Size: 32
-
+// MappingNotify is the event number for a MappingNotifyEvent.
 const MappingNotify = 34
 
 type MappingNotifyEvent struct {
@@ -5476,7 +5434,7 @@ type MappingNotifyEvent struct {
 	// padding: 1 bytes
 }
 
-// Event read MappingNotify
+// MappingNotifyEventNew constructs a MappingNotifyEvent value that implements xgb.Event from a byte slice.
 func MappingNotifyEventNew(buf []byte) xgb.Event {
 	v := MappingNotifyEvent{}
 	b := 1 // don't read event number
@@ -5500,7 +5458,7 @@ func MappingNotifyEventNew(buf []byte) xgb.Event {
 	return v
 }
 
-// Event write MappingNotify
+// Bytes writes a MappingNotifyEvent value to a byte slice.
 func (v MappingNotifyEvent) Bytes() []byte {
 	buf := make([]byte, 32)
 	b := 0
@@ -5527,12 +5485,14 @@ func (v MappingNotifyEvent) Bytes() []byte {
 	return buf
 }
 
-func (v MappingNotifyEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the MappingNotify event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v MappingNotifyEvent) SequenceId() uint16 {
 	return v.Sequence
 }
 
+// String is a rudimentary string representation of MappingNotifyEvent.
 func (v MappingNotifyEvent) String() string {
 	fieldVals := make([]string, 0, 5)
 	fieldVals = append(fieldVals, xgb.Sprintf("Sequence: %d", v.Sequence))
@@ -5546,22 +5506,24 @@ func init() {
 	xgb.NewEventFuncs[34] = MappingNotifyEventNew
 }
 
-// EventCopy definition KeyRelease (3)
-
+// KeyRelease is the event number for a KeyReleaseEvent.
 const KeyRelease = 3
 
 type KeyReleaseEvent KeyPressEvent
 
+// KeyReleaseEventNew constructs a KeyReleaseEvent value that implements xgb.Event from a byte slice.
 func KeyReleaseEventNew(buf []byte) xgb.Event {
 	return KeyReleaseEvent(KeyPressEventNew(buf).(KeyPressEvent))
 }
 
+// Bytes writes a KeyReleaseEvent value to a byte slice.
 func (v KeyReleaseEvent) Bytes() []byte {
 	return KeyPressEvent(v).Bytes()
 }
 
-func (v KeyReleaseEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the KeyRelease event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v KeyReleaseEvent) SequenceId() uint16 {
 	return v.Sequence
 }
@@ -5587,22 +5549,24 @@ func init() {
 	xgb.NewEventFuncs[3] = KeyReleaseEventNew
 }
 
-// EventCopy definition ButtonRelease (5)
-
+// ButtonRelease is the event number for a ButtonReleaseEvent.
 const ButtonRelease = 5
 
 type ButtonReleaseEvent ButtonPressEvent
 
+// ButtonReleaseEventNew constructs a ButtonReleaseEvent value that implements xgb.Event from a byte slice.
 func ButtonReleaseEventNew(buf []byte) xgb.Event {
 	return ButtonReleaseEvent(ButtonPressEventNew(buf).(ButtonPressEvent))
 }
 
+// Bytes writes a ButtonReleaseEvent value to a byte slice.
 func (v ButtonReleaseEvent) Bytes() []byte {
 	return ButtonPressEvent(v).Bytes()
 }
 
-func (v ButtonReleaseEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the ButtonRelease event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v ButtonReleaseEvent) SequenceId() uint16 {
 	return v.Sequence
 }
@@ -5628,22 +5592,24 @@ func init() {
 	xgb.NewEventFuncs[5] = ButtonReleaseEventNew
 }
 
-// EventCopy definition LeaveNotify (8)
-
+// LeaveNotify is the event number for a LeaveNotifyEvent.
 const LeaveNotify = 8
 
 type LeaveNotifyEvent EnterNotifyEvent
 
+// LeaveNotifyEventNew constructs a LeaveNotifyEvent value that implements xgb.Event from a byte slice.
 func LeaveNotifyEventNew(buf []byte) xgb.Event {
 	return LeaveNotifyEvent(EnterNotifyEventNew(buf).(EnterNotifyEvent))
 }
 
+// Bytes writes a LeaveNotifyEvent value to a byte slice.
 func (v LeaveNotifyEvent) Bytes() []byte {
 	return EnterNotifyEvent(v).Bytes()
 }
 
-func (v LeaveNotifyEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the LeaveNotify event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v LeaveNotifyEvent) SequenceId() uint16 {
 	return v.Sequence
 }
@@ -5670,22 +5636,24 @@ func init() {
 	xgb.NewEventFuncs[8] = LeaveNotifyEventNew
 }
 
-// EventCopy definition FocusOut (10)
-
+// FocusOut is the event number for a FocusOutEvent.
 const FocusOut = 10
 
 type FocusOutEvent FocusInEvent
 
+// FocusOutEventNew constructs a FocusOutEvent value that implements xgb.Event from a byte slice.
 func FocusOutEventNew(buf []byte) xgb.Event {
 	return FocusOutEvent(FocusInEventNew(buf).(FocusInEvent))
 }
 
+// Bytes writes a FocusOutEvent value to a byte slice.
 func (v FocusOutEvent) Bytes() []byte {
 	return FocusInEvent(v).Bytes()
 }
 
-func (v FocusOutEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the FocusOut event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v FocusOutEvent) SequenceId() uint16 {
 	return v.Sequence
 }
@@ -5703,22 +5671,24 @@ func init() {
 	xgb.NewEventFuncs[10] = FocusOutEventNew
 }
 
-// EventCopy definition CirculateRequest (27)
-
+// CirculateRequest is the event number for a CirculateRequestEvent.
 const CirculateRequest = 27
 
 type CirculateRequestEvent CirculateNotifyEvent
 
+// CirculateRequestEventNew constructs a CirculateRequestEvent value that implements xgb.Event from a byte slice.
 func CirculateRequestEventNew(buf []byte) xgb.Event {
 	return CirculateRequestEvent(CirculateNotifyEventNew(buf).(CirculateNotifyEvent))
 }
 
+// Bytes writes a CirculateRequestEvent value to a byte slice.
 func (v CirculateRequestEvent) Bytes() []byte {
 	return CirculateNotifyEvent(v).Bytes()
 }
 
-func (v CirculateRequestEvent) ImplementsEvent() {}
-
+// SequenceId returns the sequence id attached to the CirculateRequest event.
+// Events without a sequence number (KeymapNotify) return 0.
+// This is mostly used internally.
 func (v CirculateRequestEvent) SequenceId() uint16 {
 	return v.Sequence
 }
@@ -5736,9 +5706,7 @@ func init() {
 	xgb.NewEventFuncs[27] = CirculateRequestEventNew
 }
 
-// Error definition Request (1)
-// Size: 32
-
+// BadRequest is the error number for a BadRequest.
 const BadRequest = 1
 
 type RequestError struct {
@@ -5750,7 +5718,7 @@ type RequestError struct {
 	// padding: 1 bytes
 }
 
-// Error read Request
+// RequestErrorNew constructs a RequestError value that implements xgb.Error from a byte slice.
 func RequestErrorNew(buf []byte) xgb.Error {
 	v := RequestError{}
 	v.NiceName = "Request"
@@ -5775,8 +5743,8 @@ func RequestErrorNew(buf []byte) xgb.Error {
 	return v
 }
 
-func (err RequestError) ImplementsError() {}
-
+// SequenceId returns the sequence id attached to the BadRequest error.
+// This is mostly used internally.
 func (err RequestError) SequenceId() uint16 {
 	return err.Sequence
 }
@@ -5799,9 +5767,7 @@ func init() {
 	xgb.NewErrorFuncs[1] = RequestErrorNew
 }
 
-// Error definition Value (2)
-// Size: 32
-
+// BadValue is the error number for a BadValue.
 const BadValue = 2
 
 type ValueError struct {
@@ -5813,7 +5779,7 @@ type ValueError struct {
 	// padding: 1 bytes
 }
 
-// Error read Value
+// ValueErrorNew constructs a ValueError value that implements xgb.Error from a byte slice.
 func ValueErrorNew(buf []byte) xgb.Error {
 	v := ValueError{}
 	v.NiceName = "Value"
@@ -5838,8 +5804,8 @@ func ValueErrorNew(buf []byte) xgb.Error {
 	return v
 }
 
-func (err ValueError) ImplementsError() {}
-
+// SequenceId returns the sequence id attached to the BadValue error.
+// This is mostly used internally.
 func (err ValueError) SequenceId() uint16 {
 	return err.Sequence
 }
@@ -5862,20 +5828,20 @@ func init() {
 	xgb.NewErrorFuncs[2] = ValueErrorNew
 }
 
-// ErrorCopy definition Window (3)
-
+// BadWindow is the error number for a BadWindow.
 const BadWindow = 3
 
 type WindowError ValueError
 
+// WindowErrorNew constructs a WindowError value that implements xgb.Error from a byte slice.
 func WindowErrorNew(buf []byte) xgb.Error {
 	v := WindowError(ValueErrorNew(buf).(ValueError))
 	v.NiceName = "Window"
 	return v
 }
 
-func (err WindowError) ImplementsError() {}
-
+// SequenceId returns the sequence id attached to the BadWindow error.
+// This is mostly used internally.
 func (err WindowError) SequenceId() uint16 {
 	return err.Sequence
 }
@@ -5898,20 +5864,20 @@ func init() {
 	xgb.NewErrorFuncs[3] = WindowErrorNew
 }
 
-// ErrorCopy definition Pixmap (4)
-
+// BadPixmap is the error number for a BadPixmap.
 const BadPixmap = 4
 
 type PixmapError ValueError
 
+// PixmapErrorNew constructs a PixmapError value that implements xgb.Error from a byte slice.
 func PixmapErrorNew(buf []byte) xgb.Error {
 	v := PixmapError(ValueErrorNew(buf).(ValueError))
 	v.NiceName = "Pixmap"
 	return v
 }
 
-func (err PixmapError) ImplementsError() {}
-
+// SequenceId returns the sequence id attached to the BadPixmap error.
+// This is mostly used internally.
 func (err PixmapError) SequenceId() uint16 {
 	return err.Sequence
 }
@@ -5934,20 +5900,20 @@ func init() {
 	xgb.NewErrorFuncs[4] = PixmapErrorNew
 }
 
-// ErrorCopy definition Atom (5)
-
+// BadAtom is the error number for a BadAtom.
 const BadAtom = 5
 
 type AtomError ValueError
 
+// AtomErrorNew constructs a AtomError value that implements xgb.Error from a byte slice.
 func AtomErrorNew(buf []byte) xgb.Error {
 	v := AtomError(ValueErrorNew(buf).(ValueError))
 	v.NiceName = "Atom"
 	return v
 }
 
-func (err AtomError) ImplementsError() {}
-
+// SequenceId returns the sequence id attached to the BadAtom error.
+// This is mostly used internally.
 func (err AtomError) SequenceId() uint16 {
 	return err.Sequence
 }
@@ -5970,20 +5936,20 @@ func init() {
 	xgb.NewErrorFuncs[5] = AtomErrorNew
 }
 
-// ErrorCopy definition Cursor (6)
-
+// BadCursor is the error number for a BadCursor.
 const BadCursor = 6
 
 type CursorError ValueError
 
+// CursorErrorNew constructs a CursorError value that implements xgb.Error from a byte slice.
 func CursorErrorNew(buf []byte) xgb.Error {
 	v := CursorError(ValueErrorNew(buf).(ValueError))
 	v.NiceName = "Cursor"
 	return v
 }
 
-func (err CursorError) ImplementsError() {}
-
+// SequenceId returns the sequence id attached to the BadCursor error.
+// This is mostly used internally.
 func (err CursorError) SequenceId() uint16 {
 	return err.Sequence
 }
@@ -6006,20 +5972,20 @@ func init() {
 	xgb.NewErrorFuncs[6] = CursorErrorNew
 }
 
-// ErrorCopy definition Font (7)
-
+// BadFont is the error number for a BadFont.
 const BadFont = 7
 
 type FontError ValueError
 
+// FontErrorNew constructs a FontError value that implements xgb.Error from a byte slice.
 func FontErrorNew(buf []byte) xgb.Error {
 	v := FontError(ValueErrorNew(buf).(ValueError))
 	v.NiceName = "Font"
 	return v
 }
 
-func (err FontError) ImplementsError() {}
-
+// SequenceId returns the sequence id attached to the BadFont error.
+// This is mostly used internally.
 func (err FontError) SequenceId() uint16 {
 	return err.Sequence
 }
@@ -6042,20 +6008,20 @@ func init() {
 	xgb.NewErrorFuncs[7] = FontErrorNew
 }
 
-// ErrorCopy definition Match (8)
-
+// BadMatch is the error number for a BadMatch.
 const BadMatch = 8
 
 type MatchError RequestError
 
+// MatchErrorNew constructs a MatchError value that implements xgb.Error from a byte slice.
 func MatchErrorNew(buf []byte) xgb.Error {
 	v := MatchError(RequestErrorNew(buf).(RequestError))
 	v.NiceName = "Match"
 	return v
 }
 
-func (err MatchError) ImplementsError() {}
-
+// SequenceId returns the sequence id attached to the BadMatch error.
+// This is mostly used internally.
 func (err MatchError) SequenceId() uint16 {
 	return err.Sequence
 }
@@ -6078,20 +6044,20 @@ func init() {
 	xgb.NewErrorFuncs[8] = MatchErrorNew
 }
 
-// ErrorCopy definition Drawable (9)
-
+// BadDrawable is the error number for a BadDrawable.
 const BadDrawable = 9
 
 type DrawableError ValueError
 
+// DrawableErrorNew constructs a DrawableError value that implements xgb.Error from a byte slice.
 func DrawableErrorNew(buf []byte) xgb.Error {
 	v := DrawableError(ValueErrorNew(buf).(ValueError))
 	v.NiceName = "Drawable"
 	return v
 }
 
-func (err DrawableError) ImplementsError() {}
-
+// SequenceId returns the sequence id attached to the BadDrawable error.
+// This is mostly used internally.
 func (err DrawableError) SequenceId() uint16 {
 	return err.Sequence
 }
@@ -6114,20 +6080,20 @@ func init() {
 	xgb.NewErrorFuncs[9] = DrawableErrorNew
 }
 
-// ErrorCopy definition Access (10)
-
+// BadAccess is the error number for a BadAccess.
 const BadAccess = 10
 
 type AccessError RequestError
 
+// AccessErrorNew constructs a AccessError value that implements xgb.Error from a byte slice.
 func AccessErrorNew(buf []byte) xgb.Error {
 	v := AccessError(RequestErrorNew(buf).(RequestError))
 	v.NiceName = "Access"
 	return v
 }
 
-func (err AccessError) ImplementsError() {}
-
+// SequenceId returns the sequence id attached to the BadAccess error.
+// This is mostly used internally.
 func (err AccessError) SequenceId() uint16 {
 	return err.Sequence
 }
@@ -6150,20 +6116,20 @@ func init() {
 	xgb.NewErrorFuncs[10] = AccessErrorNew
 }
 
-// ErrorCopy definition Alloc (11)
-
+// BadAlloc is the error number for a BadAlloc.
 const BadAlloc = 11
 
 type AllocError RequestError
 
+// AllocErrorNew constructs a AllocError value that implements xgb.Error from a byte slice.
 func AllocErrorNew(buf []byte) xgb.Error {
 	v := AllocError(RequestErrorNew(buf).(RequestError))
 	v.NiceName = "Alloc"
 	return v
 }
 
-func (err AllocError) ImplementsError() {}
-
+// SequenceId returns the sequence id attached to the BadAlloc error.
+// This is mostly used internally.
 func (err AllocError) SequenceId() uint16 {
 	return err.Sequence
 }
@@ -6186,20 +6152,20 @@ func init() {
 	xgb.NewErrorFuncs[11] = AllocErrorNew
 }
 
-// ErrorCopy definition Colormap (12)
-
+// BadColormap is the error number for a BadColormap.
 const BadColormap = 12
 
 type ColormapError ValueError
 
+// ColormapErrorNew constructs a ColormapError value that implements xgb.Error from a byte slice.
 func ColormapErrorNew(buf []byte) xgb.Error {
 	v := ColormapError(ValueErrorNew(buf).(ValueError))
 	v.NiceName = "Colormap"
 	return v
 }
 
-func (err ColormapError) ImplementsError() {}
-
+// SequenceId returns the sequence id attached to the BadColormap error.
+// This is mostly used internally.
 func (err ColormapError) SequenceId() uint16 {
 	return err.Sequence
 }
@@ -6222,20 +6188,20 @@ func init() {
 	xgb.NewErrorFuncs[12] = ColormapErrorNew
 }
 
-// ErrorCopy definition GContext (13)
-
+// BadGContext is the error number for a BadGContext.
 const BadGContext = 13
 
 type GContextError ValueError
 
+// GContextErrorNew constructs a GContextError value that implements xgb.Error from a byte slice.
 func GContextErrorNew(buf []byte) xgb.Error {
 	v := GContextError(ValueErrorNew(buf).(ValueError))
 	v.NiceName = "GContext"
 	return v
 }
 
-func (err GContextError) ImplementsError() {}
-
+// SequenceId returns the sequence id attached to the BadGContext error.
+// This is mostly used internally.
 func (err GContextError) SequenceId() uint16 {
 	return err.Sequence
 }
@@ -6258,20 +6224,20 @@ func init() {
 	xgb.NewErrorFuncs[13] = GContextErrorNew
 }
 
-// ErrorCopy definition IDChoice (14)
-
+// BadIDChoice is the error number for a BadIDChoice.
 const BadIDChoice = 14
 
 type IDChoiceError ValueError
 
+// IDChoiceErrorNew constructs a IDChoiceError value that implements xgb.Error from a byte slice.
 func IDChoiceErrorNew(buf []byte) xgb.Error {
 	v := IDChoiceError(ValueErrorNew(buf).(ValueError))
 	v.NiceName = "IDChoice"
 	return v
 }
 
-func (err IDChoiceError) ImplementsError() {}
-
+// SequenceId returns the sequence id attached to the BadIDChoice error.
+// This is mostly used internally.
 func (err IDChoiceError) SequenceId() uint16 {
 	return err.Sequence
 }
@@ -6294,20 +6260,20 @@ func init() {
 	xgb.NewErrorFuncs[14] = IDChoiceErrorNew
 }
 
-// ErrorCopy definition Name (15)
-
+// BadName is the error number for a BadName.
 const BadName = 15
 
 type NameError RequestError
 
+// NameErrorNew constructs a NameError value that implements xgb.Error from a byte slice.
 func NameErrorNew(buf []byte) xgb.Error {
 	v := NameError(RequestErrorNew(buf).(RequestError))
 	v.NiceName = "Name"
 	return v
 }
 
-func (err NameError) ImplementsError() {}
-
+// SequenceId returns the sequence id attached to the BadName error.
+// This is mostly used internally.
 func (err NameError) SequenceId() uint16 {
 	return err.Sequence
 }
@@ -6330,20 +6296,20 @@ func init() {
 	xgb.NewErrorFuncs[15] = NameErrorNew
 }
 
-// ErrorCopy definition Length (16)
-
+// BadLength is the error number for a BadLength.
 const BadLength = 16
 
 type LengthError RequestError
 
+// LengthErrorNew constructs a LengthError value that implements xgb.Error from a byte slice.
 func LengthErrorNew(buf []byte) xgb.Error {
 	v := LengthError(RequestErrorNew(buf).(RequestError))
 	v.NiceName = "Length"
 	return v
 }
 
-func (err LengthError) ImplementsError() {}
-
+// SequenceId returns the sequence id attached to the BadLength error.
+// This is mostly used internally.
 func (err LengthError) SequenceId() uint16 {
 	return err.Sequence
 }
@@ -6366,20 +6332,20 @@ func init() {
 	xgb.NewErrorFuncs[16] = LengthErrorNew
 }
 
-// ErrorCopy definition Implementation (17)
-
+// BadImplementation is the error number for a BadImplementation.
 const BadImplementation = 17
 
 type ImplementationError RequestError
 
+// ImplementationErrorNew constructs a ImplementationError value that implements xgb.Error from a byte slice.
 func ImplementationErrorNew(buf []byte) xgb.Error {
 	v := ImplementationError(RequestErrorNew(buf).(RequestError))
 	v.NiceName = "Implementation"
 	return v
 }
 
-func (err ImplementationError) ImplementsError() {}
-
+// SequenceId returns the sequence id attached to the BadImplementation error.
+// This is mostly used internally.
 func (err ImplementationError) SequenceId() uint16 {
 	return err.Sequence
 }
@@ -6402,30 +6368,35 @@ func init() {
 	xgb.NewErrorFuncs[17] = ImplementationErrorNew
 }
 
-// Request CreateWindow
-// size: xgb.Pad((28 + (4 + xgb.Pad((4 * xgb.PopCount(int(ValueMask)))))))
+// CreateWindowCookie is a cookie used only for CreateWindow requests.
 type CreateWindowCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for CreateWindow
+// CreateWindow sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func CreateWindow(c *xgb.Conn, Depth byte, Wid Window, Parent Window, X int16, Y int16, Width uint16, Height uint16, BorderWidth uint16, Class uint16, Visual Visualid, ValueMask uint32, ValueList []uint32) CreateWindowCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(createWindowRequest(c, Depth, Wid, Parent, X, Y, Width, Height, BorderWidth, Class, Visual, ValueMask, ValueList), cookie)
 	return CreateWindowCookie{cookie}
 }
 
+// CreateWindowChecked sends a checked request.
+// If an error occurs, it can be retrieved using CreateWindowCookie.Check()
 func CreateWindowChecked(c *xgb.Conn, Depth byte, Wid Window, Parent Window, X int16, Y int16, Width uint16, Height uint16, BorderWidth uint16, Class uint16, Visual Visualid, ValueMask uint32, ValueList []uint32) CreateWindowCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(createWindowRequest(c, Depth, Wid, Parent, X, Y, Width, Height, BorderWidth, Class, Visual, ValueMask, ValueList), cookie)
 	return CreateWindowCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook CreateWindowCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for CreateWindow
+// createWindowRequest writes a CreateWindow request to a byte slice.
 func createWindowRequest(c *xgb.Conn, Depth byte, Wid Window, Parent Window, X int16, Y int16, Width uint16, Height uint16, BorderWidth uint16, Class uint16, Visual Visualid, ValueMask uint32, ValueList []uint32) []byte {
 	size := xgb.Pad((28 + (4 + xgb.Pad((4 * xgb.PopCount(int(ValueMask)))))))
 	b := 0
@@ -6478,30 +6449,35 @@ func createWindowRequest(c *xgb.Conn, Depth byte, Wid Window, Parent Window, X i
 	return buf
 }
 
-// Request ChangeWindowAttributes
-// size: xgb.Pad((8 + (4 + xgb.Pad((4 * xgb.PopCount(int(ValueMask)))))))
+// ChangeWindowAttributesCookie is a cookie used only for ChangeWindowAttributes requests.
 type ChangeWindowAttributesCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for ChangeWindowAttributes
+// ChangeWindowAttributes sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ChangeWindowAttributes(c *xgb.Conn, Window Window, ValueMask uint32, ValueList []uint32) ChangeWindowAttributesCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(changeWindowAttributesRequest(c, Window, ValueMask, ValueList), cookie)
 	return ChangeWindowAttributesCookie{cookie}
 }
 
+// ChangeWindowAttributesChecked sends a checked request.
+// If an error occurs, it can be retrieved using ChangeWindowAttributesCookie.Check()
 func ChangeWindowAttributesChecked(c *xgb.Conn, Window Window, ValueMask uint32, ValueList []uint32) ChangeWindowAttributesCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(changeWindowAttributesRequest(c, Window, ValueMask, ValueList), cookie)
 	return ChangeWindowAttributesCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook ChangeWindowAttributesCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for ChangeWindowAttributes
+// changeWindowAttributesRequest writes a ChangeWindowAttributes request to a byte slice.
 func changeWindowAttributesRequest(c *xgb.Conn, Window Window, ValueMask uint32, ValueList []uint32) []byte {
 	size := xgb.Pad((8 + (4 + xgb.Pad((4 * xgb.PopCount(int(ValueMask)))))))
 	b := 0
@@ -6529,29 +6505,31 @@ func changeWindowAttributesRequest(c *xgb.Conn, Window Window, ValueMask uint32,
 	return buf
 }
 
-// Request GetWindowAttributes
-// size: 8
+// GetWindowAttributesCookie is a cookie used only for GetWindowAttributes requests.
 type GetWindowAttributesCookie struct {
 	*xgb.Cookie
 }
 
+// GetWindowAttributes sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GetWindowAttributesCookie.Reply()
 func GetWindowAttributes(c *xgb.Conn, Window Window) GetWindowAttributesCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getWindowAttributesRequest(c, Window), cookie)
 	return GetWindowAttributesCookie{cookie}
 }
 
+// GetWindowAttributesUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetWindowAttributesUnchecked(c *xgb.Conn, Window Window) GetWindowAttributesCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getWindowAttributesRequest(c, Window), cookie)
 	return GetWindowAttributesCookie{cookie}
 }
 
-// Request reply for GetWindowAttributes
-// size: 44
+// GetWindowAttributesReply represents the data returned from a GetWindowAttributes request.
 type GetWindowAttributesReply struct {
-	Sequence           uint16
-	Length             uint32
+	Sequence           uint16 // sequence number of the request for this reply
+	Length             uint32 // number of bytes in this reply
 	BackingStore       byte
 	Visual             Visualid
 	Class              uint16
@@ -6570,7 +6548,7 @@ type GetWindowAttributesReply struct {
 	// padding: 2 bytes
 }
 
-// Waits and reads reply data from request GetWindowAttributes
+// Reply blocks and returns the reply data for a GetWindowAttributes request.
 func (cook GetWindowAttributesCookie) Reply() (*GetWindowAttributesReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -6582,7 +6560,7 @@ func (cook GetWindowAttributesCookie) Reply() (*GetWindowAttributesReply, error)
 	return getWindowAttributesReply(buf), nil
 }
 
-// Read reply into structure from buffer for GetWindowAttributes
+// getWindowAttributesReply reads a byte slice into a GetWindowAttributesReply value.
 func getWindowAttributesReply(buf []byte) *GetWindowAttributesReply {
 	v := new(GetWindowAttributesReply)
 	b := 1 // skip reply determinant
@@ -6656,6 +6634,7 @@ func getWindowAttributesReply(buf []byte) *GetWindowAttributesReply {
 }
 
 // Write request to wire for GetWindowAttributes
+// getWindowAttributesRequest writes a GetWindowAttributes request to a byte slice.
 func getWindowAttributesRequest(c *xgb.Conn, Window Window) []byte {
 	size := 8
 	b := 0
@@ -6675,30 +6654,35 @@ func getWindowAttributesRequest(c *xgb.Conn, Window Window) []byte {
 	return buf
 }
 
-// Request DestroyWindow
-// size: 8
+// DestroyWindowCookie is a cookie used only for DestroyWindow requests.
 type DestroyWindowCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for DestroyWindow
+// DestroyWindow sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func DestroyWindow(c *xgb.Conn, Window Window) DestroyWindowCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(destroyWindowRequest(c, Window), cookie)
 	return DestroyWindowCookie{cookie}
 }
 
+// DestroyWindowChecked sends a checked request.
+// If an error occurs, it can be retrieved using DestroyWindowCookie.Check()
 func DestroyWindowChecked(c *xgb.Conn, Window Window) DestroyWindowCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(destroyWindowRequest(c, Window), cookie)
 	return DestroyWindowCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook DestroyWindowCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for DestroyWindow
+// destroyWindowRequest writes a DestroyWindow request to a byte slice.
 func destroyWindowRequest(c *xgb.Conn, Window Window) []byte {
 	size := 8
 	b := 0
@@ -6718,30 +6702,35 @@ func destroyWindowRequest(c *xgb.Conn, Window Window) []byte {
 	return buf
 }
 
-// Request DestroySubwindows
-// size: 8
+// DestroySubwindowsCookie is a cookie used only for DestroySubwindows requests.
 type DestroySubwindowsCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for DestroySubwindows
+// DestroySubwindows sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func DestroySubwindows(c *xgb.Conn, Window Window) DestroySubwindowsCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(destroySubwindowsRequest(c, Window), cookie)
 	return DestroySubwindowsCookie{cookie}
 }
 
+// DestroySubwindowsChecked sends a checked request.
+// If an error occurs, it can be retrieved using DestroySubwindowsCookie.Check()
 func DestroySubwindowsChecked(c *xgb.Conn, Window Window) DestroySubwindowsCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(destroySubwindowsRequest(c, Window), cookie)
 	return DestroySubwindowsCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook DestroySubwindowsCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for DestroySubwindows
+// destroySubwindowsRequest writes a DestroySubwindows request to a byte slice.
 func destroySubwindowsRequest(c *xgb.Conn, Window Window) []byte {
 	size := 8
 	b := 0
@@ -6761,30 +6750,35 @@ func destroySubwindowsRequest(c *xgb.Conn, Window Window) []byte {
 	return buf
 }
 
-// Request ChangeSaveSet
-// size: 8
+// ChangeSaveSetCookie is a cookie used only for ChangeSaveSet requests.
 type ChangeSaveSetCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for ChangeSaveSet
+// ChangeSaveSet sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ChangeSaveSet(c *xgb.Conn, Mode byte, Window Window) ChangeSaveSetCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(changeSaveSetRequest(c, Mode, Window), cookie)
 	return ChangeSaveSetCookie{cookie}
 }
 
+// ChangeSaveSetChecked sends a checked request.
+// If an error occurs, it can be retrieved using ChangeSaveSetCookie.Check()
 func ChangeSaveSetChecked(c *xgb.Conn, Mode byte, Window Window) ChangeSaveSetCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(changeSaveSetRequest(c, Mode, Window), cookie)
 	return ChangeSaveSetCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook ChangeSaveSetCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for ChangeSaveSet
+// changeSaveSetRequest writes a ChangeSaveSet request to a byte slice.
 func changeSaveSetRequest(c *xgb.Conn, Mode byte, Window Window) []byte {
 	size := 8
 	b := 0
@@ -6805,30 +6799,35 @@ func changeSaveSetRequest(c *xgb.Conn, Mode byte, Window Window) []byte {
 	return buf
 }
 
-// Request ReparentWindow
-// size: 16
+// ReparentWindowCookie is a cookie used only for ReparentWindow requests.
 type ReparentWindowCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for ReparentWindow
+// ReparentWindow sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ReparentWindow(c *xgb.Conn, Window Window, Parent Window, X int16, Y int16) ReparentWindowCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(reparentWindowRequest(c, Window, Parent, X, Y), cookie)
 	return ReparentWindowCookie{cookie}
 }
 
+// ReparentWindowChecked sends a checked request.
+// If an error occurs, it can be retrieved using ReparentWindowCookie.Check()
 func ReparentWindowChecked(c *xgb.Conn, Window Window, Parent Window, X int16, Y int16) ReparentWindowCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(reparentWindowRequest(c, Window, Parent, X, Y), cookie)
 	return ReparentWindowCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook ReparentWindowCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for ReparentWindow
+// reparentWindowRequest writes a ReparentWindow request to a byte slice.
 func reparentWindowRequest(c *xgb.Conn, Window Window, Parent Window, X int16, Y int16) []byte {
 	size := 16
 	b := 0
@@ -6857,30 +6856,35 @@ func reparentWindowRequest(c *xgb.Conn, Window Window, Parent Window, X int16, Y
 	return buf
 }
 
-// Request MapWindow
-// size: 8
+// MapWindowCookie is a cookie used only for MapWindow requests.
 type MapWindowCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for MapWindow
+// MapWindow sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func MapWindow(c *xgb.Conn, Window Window) MapWindowCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(mapWindowRequest(c, Window), cookie)
 	return MapWindowCookie{cookie}
 }
 
+// MapWindowChecked sends a checked request.
+// If an error occurs, it can be retrieved using MapWindowCookie.Check()
 func MapWindowChecked(c *xgb.Conn, Window Window) MapWindowCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(mapWindowRequest(c, Window), cookie)
 	return MapWindowCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook MapWindowCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for MapWindow
+// mapWindowRequest writes a MapWindow request to a byte slice.
 func mapWindowRequest(c *xgb.Conn, Window Window) []byte {
 	size := 8
 	b := 0
@@ -6900,30 +6904,35 @@ func mapWindowRequest(c *xgb.Conn, Window Window) []byte {
 	return buf
 }
 
-// Request MapSubwindows
-// size: 8
+// MapSubwindowsCookie is a cookie used only for MapSubwindows requests.
 type MapSubwindowsCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for MapSubwindows
+// MapSubwindows sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func MapSubwindows(c *xgb.Conn, Window Window) MapSubwindowsCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(mapSubwindowsRequest(c, Window), cookie)
 	return MapSubwindowsCookie{cookie}
 }
 
+// MapSubwindowsChecked sends a checked request.
+// If an error occurs, it can be retrieved using MapSubwindowsCookie.Check()
 func MapSubwindowsChecked(c *xgb.Conn, Window Window) MapSubwindowsCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(mapSubwindowsRequest(c, Window), cookie)
 	return MapSubwindowsCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook MapSubwindowsCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for MapSubwindows
+// mapSubwindowsRequest writes a MapSubwindows request to a byte slice.
 func mapSubwindowsRequest(c *xgb.Conn, Window Window) []byte {
 	size := 8
 	b := 0
@@ -6943,30 +6952,35 @@ func mapSubwindowsRequest(c *xgb.Conn, Window Window) []byte {
 	return buf
 }
 
-// Request UnmapWindow
-// size: 8
+// UnmapWindowCookie is a cookie used only for UnmapWindow requests.
 type UnmapWindowCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for UnmapWindow
+// UnmapWindow sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func UnmapWindow(c *xgb.Conn, Window Window) UnmapWindowCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(unmapWindowRequest(c, Window), cookie)
 	return UnmapWindowCookie{cookie}
 }
 
+// UnmapWindowChecked sends a checked request.
+// If an error occurs, it can be retrieved using UnmapWindowCookie.Check()
 func UnmapWindowChecked(c *xgb.Conn, Window Window) UnmapWindowCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(unmapWindowRequest(c, Window), cookie)
 	return UnmapWindowCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook UnmapWindowCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for UnmapWindow
+// unmapWindowRequest writes a UnmapWindow request to a byte slice.
 func unmapWindowRequest(c *xgb.Conn, Window Window) []byte {
 	size := 8
 	b := 0
@@ -6986,30 +7000,35 @@ func unmapWindowRequest(c *xgb.Conn, Window Window) []byte {
 	return buf
 }
 
-// Request UnmapSubwindows
-// size: 8
+// UnmapSubwindowsCookie is a cookie used only for UnmapSubwindows requests.
 type UnmapSubwindowsCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for UnmapSubwindows
+// UnmapSubwindows sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func UnmapSubwindows(c *xgb.Conn, Window Window) UnmapSubwindowsCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(unmapSubwindowsRequest(c, Window), cookie)
 	return UnmapSubwindowsCookie{cookie}
 }
 
+// UnmapSubwindowsChecked sends a checked request.
+// If an error occurs, it can be retrieved using UnmapSubwindowsCookie.Check()
 func UnmapSubwindowsChecked(c *xgb.Conn, Window Window) UnmapSubwindowsCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(unmapSubwindowsRequest(c, Window), cookie)
 	return UnmapSubwindowsCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook UnmapSubwindowsCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for UnmapSubwindows
+// unmapSubwindowsRequest writes a UnmapSubwindows request to a byte slice.
 func unmapSubwindowsRequest(c *xgb.Conn, Window Window) []byte {
 	size := 8
 	b := 0
@@ -7029,30 +7048,35 @@ func unmapSubwindowsRequest(c *xgb.Conn, Window Window) []byte {
 	return buf
 }
 
-// Request ConfigureWindow
-// size: xgb.Pad((10 + (2 + xgb.Pad((4 * xgb.PopCount(int(ValueMask)))))))
+// ConfigureWindowCookie is a cookie used only for ConfigureWindow requests.
 type ConfigureWindowCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for ConfigureWindow
+// ConfigureWindow sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ConfigureWindow(c *xgb.Conn, Window Window, ValueMask uint16, ValueList []uint32) ConfigureWindowCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(configureWindowRequest(c, Window, ValueMask, ValueList), cookie)
 	return ConfigureWindowCookie{cookie}
 }
 
+// ConfigureWindowChecked sends a checked request.
+// If an error occurs, it can be retrieved using ConfigureWindowCookie.Check()
 func ConfigureWindowChecked(c *xgb.Conn, Window Window, ValueMask uint16, ValueList []uint32) ConfigureWindowCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(configureWindowRequest(c, Window, ValueMask, ValueList), cookie)
 	return ConfigureWindowCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook ConfigureWindowCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for ConfigureWindow
+// configureWindowRequest writes a ConfigureWindow request to a byte slice.
 func configureWindowRequest(c *xgb.Conn, Window Window, ValueMask uint16, ValueList []uint32) []byte {
 	size := xgb.Pad((10 + (2 + xgb.Pad((4 * xgb.PopCount(int(ValueMask)))))))
 	b := 0
@@ -7083,30 +7107,35 @@ func configureWindowRequest(c *xgb.Conn, Window Window, ValueMask uint16, ValueL
 	return buf
 }
 
-// Request CirculateWindow
-// size: 8
+// CirculateWindowCookie is a cookie used only for CirculateWindow requests.
 type CirculateWindowCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for CirculateWindow
+// CirculateWindow sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func CirculateWindow(c *xgb.Conn, Direction byte, Window Window) CirculateWindowCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(circulateWindowRequest(c, Direction, Window), cookie)
 	return CirculateWindowCookie{cookie}
 }
 
+// CirculateWindowChecked sends a checked request.
+// If an error occurs, it can be retrieved using CirculateWindowCookie.Check()
 func CirculateWindowChecked(c *xgb.Conn, Direction byte, Window Window) CirculateWindowCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(circulateWindowRequest(c, Direction, Window), cookie)
 	return CirculateWindowCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook CirculateWindowCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for CirculateWindow
+// circulateWindowRequest writes a CirculateWindow request to a byte slice.
 func circulateWindowRequest(c *xgb.Conn, Direction byte, Window Window) []byte {
 	size := 8
 	b := 0
@@ -7127,29 +7156,31 @@ func circulateWindowRequest(c *xgb.Conn, Direction byte, Window Window) []byte {
 	return buf
 }
 
-// Request GetGeometry
-// size: 8
+// GetGeometryCookie is a cookie used only for GetGeometry requests.
 type GetGeometryCookie struct {
 	*xgb.Cookie
 }
 
+// GetGeometry sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GetGeometryCookie.Reply()
 func GetGeometry(c *xgb.Conn, Drawable Drawable) GetGeometryCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getGeometryRequest(c, Drawable), cookie)
 	return GetGeometryCookie{cookie}
 }
 
+// GetGeometryUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetGeometryUnchecked(c *xgb.Conn, Drawable Drawable) GetGeometryCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getGeometryRequest(c, Drawable), cookie)
 	return GetGeometryCookie{cookie}
 }
 
-// Request reply for GetGeometry
-// size: 24
+// GetGeometryReply represents the data returned from a GetGeometry request.
 type GetGeometryReply struct {
-	Sequence    uint16
-	Length      uint32
+	Sequence    uint16 // sequence number of the request for this reply
+	Length      uint32 // number of bytes in this reply
 	Depth       byte
 	Root        Window
 	X           int16
@@ -7160,7 +7191,7 @@ type GetGeometryReply struct {
 	// padding: 2 bytes
 }
 
-// Waits and reads reply data from request GetGeometry
+// Reply blocks and returns the reply data for a GetGeometry request.
 func (cook GetGeometryCookie) Reply() (*GetGeometryReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -7172,7 +7203,7 @@ func (cook GetGeometryCookie) Reply() (*GetGeometryReply, error) {
 	return getGeometryReply(buf), nil
 }
 
-// Read reply into structure from buffer for GetGeometry
+// getGeometryReply reads a byte slice into a GetGeometryReply value.
 func getGeometryReply(buf []byte) *GetGeometryReply {
 	v := new(GetGeometryReply)
 	b := 1 // skip reply determinant
@@ -7210,6 +7241,7 @@ func getGeometryReply(buf []byte) *GetGeometryReply {
 }
 
 // Write request to wire for GetGeometry
+// getGeometryRequest writes a GetGeometry request to a byte slice.
 func getGeometryRequest(c *xgb.Conn, Drawable Drawable) []byte {
 	size := 8
 	b := 0
@@ -7229,29 +7261,31 @@ func getGeometryRequest(c *xgb.Conn, Drawable Drawable) []byte {
 	return buf
 }
 
-// Request QueryTree
-// size: 8
+// QueryTreeCookie is a cookie used only for QueryTree requests.
 type QueryTreeCookie struct {
 	*xgb.Cookie
 }
 
+// QueryTree sends a checked request.
+// If an error occurs, it will be returned with the reply by calling QueryTreeCookie.Reply()
 func QueryTree(c *xgb.Conn, Window Window) QueryTreeCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(queryTreeRequest(c, Window), cookie)
 	return QueryTreeCookie{cookie}
 }
 
+// QueryTreeUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func QueryTreeUnchecked(c *xgb.Conn, Window Window) QueryTreeCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(queryTreeRequest(c, Window), cookie)
 	return QueryTreeCookie{cookie}
 }
 
-// Request reply for QueryTree
-// size: (32 + xgb.Pad((int(ChildrenLen) * 4)))
+// QueryTreeReply represents the data returned from a QueryTree request.
 type QueryTreeReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	Root        Window
 	Parent      Window
@@ -7260,7 +7294,7 @@ type QueryTreeReply struct {
 	Children []Window // size: xgb.Pad((int(ChildrenLen) * 4))
 }
 
-// Waits and reads reply data from request QueryTree
+// Reply blocks and returns the reply data for a QueryTree request.
 func (cook QueryTreeCookie) Reply() (*QueryTreeReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -7272,7 +7306,7 @@ func (cook QueryTreeCookie) Reply() (*QueryTreeReply, error) {
 	return queryTreeReply(buf), nil
 }
 
-// Read reply into structure from buffer for QueryTree
+// queryTreeReply reads a byte slice into a QueryTreeReply value.
 func queryTreeReply(buf []byte) *QueryTreeReply {
 	v := new(QueryTreeReply)
 	b := 1 // skip reply determinant
@@ -7307,6 +7341,7 @@ func queryTreeReply(buf []byte) *QueryTreeReply {
 }
 
 // Write request to wire for QueryTree
+// queryTreeRequest writes a QueryTree request to a byte slice.
 func queryTreeRequest(c *xgb.Conn, Window Window) []byte {
 	size := 8
 	b := 0
@@ -7326,34 +7361,36 @@ func queryTreeRequest(c *xgb.Conn, Window Window) []byte {
 	return buf
 }
 
-// Request InternAtom
-// size: xgb.Pad((8 + xgb.Pad((int(NameLen) * 1))))
+// InternAtomCookie is a cookie used only for InternAtom requests.
 type InternAtomCookie struct {
 	*xgb.Cookie
 }
 
+// InternAtom sends a checked request.
+// If an error occurs, it will be returned with the reply by calling InternAtomCookie.Reply()
 func InternAtom(c *xgb.Conn, OnlyIfExists bool, NameLen uint16, Name string) InternAtomCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(internAtomRequest(c, OnlyIfExists, NameLen, Name), cookie)
 	return InternAtomCookie{cookie}
 }
 
+// InternAtomUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func InternAtomUnchecked(c *xgb.Conn, OnlyIfExists bool, NameLen uint16, Name string) InternAtomCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(internAtomRequest(c, OnlyIfExists, NameLen, Name), cookie)
 	return InternAtomCookie{cookie}
 }
 
-// Request reply for InternAtom
-// size: 12
+// InternAtomReply represents the data returned from a InternAtom request.
 type InternAtomReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	Atom Atom
 }
 
-// Waits and reads reply data from request InternAtom
+// Reply blocks and returns the reply data for a InternAtom request.
 func (cook InternAtomCookie) Reply() (*InternAtomReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -7365,7 +7402,7 @@ func (cook InternAtomCookie) Reply() (*InternAtomReply, error) {
 	return internAtomReply(buf), nil
 }
 
-// Read reply into structure from buffer for InternAtom
+// internAtomReply reads a byte slice into a InternAtomReply value.
 func internAtomReply(buf []byte) *InternAtomReply {
 	v := new(InternAtomReply)
 	b := 1 // skip reply determinant
@@ -7385,6 +7422,7 @@ func internAtomReply(buf []byte) *InternAtomReply {
 }
 
 // Write request to wire for InternAtom
+// internAtomRequest writes a InternAtom request to a byte slice.
 func internAtomRequest(c *xgb.Conn, OnlyIfExists bool, NameLen uint16, Name string) []byte {
 	size := xgb.Pad((8 + xgb.Pad((int(NameLen) * 1))))
 	b := 0
@@ -7414,36 +7452,38 @@ func internAtomRequest(c *xgb.Conn, OnlyIfExists bool, NameLen uint16, Name stri
 	return buf
 }
 
-// Request GetAtomName
-// size: 8
+// GetAtomNameCookie is a cookie used only for GetAtomName requests.
 type GetAtomNameCookie struct {
 	*xgb.Cookie
 }
 
+// GetAtomName sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GetAtomNameCookie.Reply()
 func GetAtomName(c *xgb.Conn, Atom Atom) GetAtomNameCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getAtomNameRequest(c, Atom), cookie)
 	return GetAtomNameCookie{cookie}
 }
 
+// GetAtomNameUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetAtomNameUnchecked(c *xgb.Conn, Atom Atom) GetAtomNameCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getAtomNameRequest(c, Atom), cookie)
 	return GetAtomNameCookie{cookie}
 }
 
-// Request reply for GetAtomName
-// size: (32 + xgb.Pad((int(NameLen) * 1)))
+// GetAtomNameReply represents the data returned from a GetAtomName request.
 type GetAtomNameReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	NameLen uint16
 	// padding: 22 bytes
 	Name string // size: xgb.Pad((int(NameLen) * 1))
 }
 
-// Waits and reads reply data from request GetAtomName
+// Reply blocks and returns the reply data for a GetAtomName request.
 func (cook GetAtomNameCookie) Reply() (*GetAtomNameReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -7455,7 +7495,7 @@ func (cook GetAtomNameCookie) Reply() (*GetAtomNameReply, error) {
 	return getAtomNameReply(buf), nil
 }
 
-// Read reply into structure from buffer for GetAtomName
+// getAtomNameReply reads a byte slice into a GetAtomNameReply value.
 func getAtomNameReply(buf []byte) *GetAtomNameReply {
 	v := new(GetAtomNameReply)
 	b := 1 // skip reply determinant
@@ -7484,6 +7524,7 @@ func getAtomNameReply(buf []byte) *GetAtomNameReply {
 }
 
 // Write request to wire for GetAtomName
+// getAtomNameRequest writes a GetAtomName request to a byte slice.
 func getAtomNameRequest(c *xgb.Conn, Atom Atom) []byte {
 	size := 8
 	b := 0
@@ -7503,30 +7544,35 @@ func getAtomNameRequest(c *xgb.Conn, Atom Atom) []byte {
 	return buf
 }
 
-// Request ChangeProperty
-// size: xgb.Pad((24 + xgb.Pad((((int(DataLen) * int(Format)) / 8) * 1))))
+// ChangePropertyCookie is a cookie used only for ChangeProperty requests.
 type ChangePropertyCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for ChangeProperty
+// ChangeProperty sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ChangeProperty(c *xgb.Conn, Mode byte, Window Window, Property Atom, Type Atom, Format byte, DataLen uint32, Data []byte) ChangePropertyCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(changePropertyRequest(c, Mode, Window, Property, Type, Format, DataLen, Data), cookie)
 	return ChangePropertyCookie{cookie}
 }
 
+// ChangePropertyChecked sends a checked request.
+// If an error occurs, it can be retrieved using ChangePropertyCookie.Check()
 func ChangePropertyChecked(c *xgb.Conn, Mode byte, Window Window, Property Atom, Type Atom, Format byte, DataLen uint32, Data []byte) ChangePropertyCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(changePropertyRequest(c, Mode, Window, Property, Type, Format, DataLen, Data), cookie)
 	return ChangePropertyCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook ChangePropertyCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for ChangeProperty
+// changePropertyRequest writes a ChangeProperty request to a byte slice.
 func changePropertyRequest(c *xgb.Conn, Mode byte, Window Window, Property Atom, Type Atom, Format byte, DataLen uint32, Data []byte) []byte {
 	size := xgb.Pad((24 + xgb.Pad((((int(DataLen) * int(Format)) / 8) * 1))))
 	b := 0
@@ -7564,30 +7610,35 @@ func changePropertyRequest(c *xgb.Conn, Mode byte, Window Window, Property Atom,
 	return buf
 }
 
-// Request DeleteProperty
-// size: 12
+// DeletePropertyCookie is a cookie used only for DeleteProperty requests.
 type DeletePropertyCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for DeleteProperty
+// DeleteProperty sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func DeleteProperty(c *xgb.Conn, Window Window, Property Atom) DeletePropertyCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(deletePropertyRequest(c, Window, Property), cookie)
 	return DeletePropertyCookie{cookie}
 }
 
+// DeletePropertyChecked sends a checked request.
+// If an error occurs, it can be retrieved using DeletePropertyCookie.Check()
 func DeletePropertyChecked(c *xgb.Conn, Window Window, Property Atom) DeletePropertyCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(deletePropertyRequest(c, Window, Property), cookie)
 	return DeletePropertyCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook DeletePropertyCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for DeleteProperty
+// deletePropertyRequest writes a DeleteProperty request to a byte slice.
 func deletePropertyRequest(c *xgb.Conn, Window Window, Property Atom) []byte {
 	size := 12
 	b := 0
@@ -7610,29 +7661,31 @@ func deletePropertyRequest(c *xgb.Conn, Window Window, Property Atom) []byte {
 	return buf
 }
 
-// Request GetProperty
-// size: 24
+// GetPropertyCookie is a cookie used only for GetProperty requests.
 type GetPropertyCookie struct {
 	*xgb.Cookie
 }
 
+// GetProperty sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GetPropertyCookie.Reply()
 func GetProperty(c *xgb.Conn, Delete bool, Window Window, Property Atom, Type Atom, LongOffset uint32, LongLength uint32) GetPropertyCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getPropertyRequest(c, Delete, Window, Property, Type, LongOffset, LongLength), cookie)
 	return GetPropertyCookie{cookie}
 }
 
+// GetPropertyUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetPropertyUnchecked(c *xgb.Conn, Delete bool, Window Window, Property Atom, Type Atom, LongOffset uint32, LongLength uint32) GetPropertyCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getPropertyRequest(c, Delete, Window, Property, Type, LongOffset, LongLength), cookie)
 	return GetPropertyCookie{cookie}
 }
 
-// Request reply for GetProperty
-// size: (32 + xgb.Pad(((int(ValueLen) * (int(Format) / 8)) * 1)))
+// GetPropertyReply represents the data returned from a GetProperty request.
 type GetPropertyReply struct {
-	Sequence   uint16
-	Length     uint32
+	Sequence   uint16 // sequence number of the request for this reply
+	Length     uint32 // number of bytes in this reply
 	Format     byte
 	Type       Atom
 	BytesAfter uint32
@@ -7641,7 +7694,7 @@ type GetPropertyReply struct {
 	Value []byte // size: xgb.Pad(((int(ValueLen) * (int(Format) / 8)) * 1))
 }
 
-// Waits and reads reply data from request GetProperty
+// Reply blocks and returns the reply data for a GetProperty request.
 func (cook GetPropertyCookie) Reply() (*GetPropertyReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -7653,7 +7706,7 @@ func (cook GetPropertyCookie) Reply() (*GetPropertyReply, error) {
 	return getPropertyReply(buf), nil
 }
 
-// Read reply into structure from buffer for GetProperty
+// getPropertyReply reads a byte slice into a GetPropertyReply value.
 func getPropertyReply(buf []byte) *GetPropertyReply {
 	v := new(GetPropertyReply)
 	b := 1 // skip reply determinant
@@ -7686,6 +7739,7 @@ func getPropertyReply(buf []byte) *GetPropertyReply {
 }
 
 // Write request to wire for GetProperty
+// getPropertyRequest writes a GetProperty request to a byte slice.
 func getPropertyRequest(c *xgb.Conn, Delete bool, Window Window, Property Atom, Type Atom, LongOffset uint32, LongLength uint32) []byte {
 	size := 24
 	b := 0
@@ -7722,36 +7776,38 @@ func getPropertyRequest(c *xgb.Conn, Delete bool, Window Window, Property Atom,
 	return buf
 }
 
-// Request ListProperties
-// size: 8
+// ListPropertiesCookie is a cookie used only for ListProperties requests.
 type ListPropertiesCookie struct {
 	*xgb.Cookie
 }
 
+// ListProperties sends a checked request.
+// If an error occurs, it will be returned with the reply by calling ListPropertiesCookie.Reply()
 func ListProperties(c *xgb.Conn, Window Window) ListPropertiesCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(listPropertiesRequest(c, Window), cookie)
 	return ListPropertiesCookie{cookie}
 }
 
+// ListPropertiesUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ListPropertiesUnchecked(c *xgb.Conn, Window Window) ListPropertiesCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(listPropertiesRequest(c, Window), cookie)
 	return ListPropertiesCookie{cookie}
 }
 
-// Request reply for ListProperties
-// size: (32 + xgb.Pad((int(AtomsLen) * 4)))
+// ListPropertiesReply represents the data returned from a ListProperties request.
 type ListPropertiesReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	AtomsLen uint16
 	// padding: 22 bytes
 	Atoms []Atom // size: xgb.Pad((int(AtomsLen) * 4))
 }
 
-// Waits and reads reply data from request ListProperties
+// Reply blocks and returns the reply data for a ListProperties request.
 func (cook ListPropertiesCookie) Reply() (*ListPropertiesReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -7763,7 +7819,7 @@ func (cook ListPropertiesCookie) Reply() (*ListPropertiesReply, error) {
 	return listPropertiesReply(buf), nil
 }
 
-// Read reply into structure from buffer for ListProperties
+// listPropertiesReply reads a byte slice into a ListPropertiesReply value.
 func listPropertiesReply(buf []byte) *ListPropertiesReply {
 	v := new(ListPropertiesReply)
 	b := 1 // skip reply determinant
@@ -7792,6 +7848,7 @@ func listPropertiesReply(buf []byte) *ListPropertiesReply {
 }
 
 // Write request to wire for ListProperties
+// listPropertiesRequest writes a ListProperties request to a byte slice.
 func listPropertiesRequest(c *xgb.Conn, Window Window) []byte {
 	size := 8
 	b := 0
@@ -7811,30 +7868,35 @@ func listPropertiesRequest(c *xgb.Conn, Window Window) []byte {
 	return buf
 }
 
-// Request SetSelectionOwner
-// size: 16
+// SetSelectionOwnerCookie is a cookie used only for SetSelectionOwner requests.
 type SetSelectionOwnerCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for SetSelectionOwner
+// SetSelectionOwner sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func SetSelectionOwner(c *xgb.Conn, Owner Window, Selection Atom, Time Timestamp) SetSelectionOwnerCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(setSelectionOwnerRequest(c, Owner, Selection, Time), cookie)
 	return SetSelectionOwnerCookie{cookie}
 }
 
+// SetSelectionOwnerChecked sends a checked request.
+// If an error occurs, it can be retrieved using SetSelectionOwnerCookie.Check()
 func SetSelectionOwnerChecked(c *xgb.Conn, Owner Window, Selection Atom, Time Timestamp) SetSelectionOwnerCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(setSelectionOwnerRequest(c, Owner, Selection, Time), cookie)
 	return SetSelectionOwnerCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook SetSelectionOwnerCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for SetSelectionOwner
+// setSelectionOwnerRequest writes a SetSelectionOwner request to a byte slice.
 func setSelectionOwnerRequest(c *xgb.Conn, Owner Window, Selection Atom, Time Timestamp) []byte {
 	size := 16
 	b := 0
@@ -7860,34 +7922,36 @@ func setSelectionOwnerRequest(c *xgb.Conn, Owner Window, Selection Atom, Time Ti
 	return buf
 }
 
-// Request GetSelectionOwner
-// size: 8
+// GetSelectionOwnerCookie is a cookie used only for GetSelectionOwner requests.
 type GetSelectionOwnerCookie struct {
 	*xgb.Cookie
 }
 
+// GetSelectionOwner sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GetSelectionOwnerCookie.Reply()
 func GetSelectionOwner(c *xgb.Conn, Selection Atom) GetSelectionOwnerCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getSelectionOwnerRequest(c, Selection), cookie)
 	return GetSelectionOwnerCookie{cookie}
 }
 
+// GetSelectionOwnerUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetSelectionOwnerUnchecked(c *xgb.Conn, Selection Atom) GetSelectionOwnerCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getSelectionOwnerRequest(c, Selection), cookie)
 	return GetSelectionOwnerCookie{cookie}
 }
 
-// Request reply for GetSelectionOwner
-// size: 12
+// GetSelectionOwnerReply represents the data returned from a GetSelectionOwner request.
 type GetSelectionOwnerReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	Owner Window
 }
 
-// Waits and reads reply data from request GetSelectionOwner
+// Reply blocks and returns the reply data for a GetSelectionOwner request.
 func (cook GetSelectionOwnerCookie) Reply() (*GetSelectionOwnerReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -7899,7 +7963,7 @@ func (cook GetSelectionOwnerCookie) Reply() (*GetSelectionOwnerReply, error) {
 	return getSelectionOwnerReply(buf), nil
 }
 
-// Read reply into structure from buffer for GetSelectionOwner
+// getSelectionOwnerReply reads a byte slice into a GetSelectionOwnerReply value.
 func getSelectionOwnerReply(buf []byte) *GetSelectionOwnerReply {
 	v := new(GetSelectionOwnerReply)
 	b := 1 // skip reply determinant
@@ -7919,6 +7983,7 @@ func getSelectionOwnerReply(buf []byte) *GetSelectionOwnerReply {
 }
 
 // Write request to wire for GetSelectionOwner
+// getSelectionOwnerRequest writes a GetSelectionOwner request to a byte slice.
 func getSelectionOwnerRequest(c *xgb.Conn, Selection Atom) []byte {
 	size := 8
 	b := 0
@@ -7938,30 +8003,35 @@ func getSelectionOwnerRequest(c *xgb.Conn, Selection Atom) []byte {
 	return buf
 }
 
-// Request ConvertSelection
-// size: 24
+// ConvertSelectionCookie is a cookie used only for ConvertSelection requests.
 type ConvertSelectionCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for ConvertSelection
+// ConvertSelection sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ConvertSelection(c *xgb.Conn, Requestor Window, Selection Atom, Target Atom, Property Atom, Time Timestamp) ConvertSelectionCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(convertSelectionRequest(c, Requestor, Selection, Target, Property, Time), cookie)
 	return ConvertSelectionCookie{cookie}
 }
 
+// ConvertSelectionChecked sends a checked request.
+// If an error occurs, it can be retrieved using ConvertSelectionCookie.Check()
 func ConvertSelectionChecked(c *xgb.Conn, Requestor Window, Selection Atom, Target Atom, Property Atom, Time Timestamp) ConvertSelectionCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(convertSelectionRequest(c, Requestor, Selection, Target, Property, Time), cookie)
 	return ConvertSelectionCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook ConvertSelectionCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for ConvertSelection
+// convertSelectionRequest writes a ConvertSelection request to a byte slice.
 func convertSelectionRequest(c *xgb.Conn, Requestor Window, Selection Atom, Target Atom, Property Atom, Time Timestamp) []byte {
 	size := 24
 	b := 0
@@ -7993,30 +8063,35 @@ func convertSelectionRequest(c *xgb.Conn, Requestor Window, Selection Atom, Targ
 	return buf
 }
 
-// Request SendEvent
-// size: 44
+// SendEventCookie is a cookie used only for SendEvent requests.
 type SendEventCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for SendEvent
+// SendEvent sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func SendEvent(c *xgb.Conn, Propagate bool, Destination Window, EventMask uint32, Event string) SendEventCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(sendEventRequest(c, Propagate, Destination, EventMask, Event), cookie)
 	return SendEventCookie{cookie}
 }
 
+// SendEventChecked sends a checked request.
+// If an error occurs, it can be retrieved using SendEventCookie.Check()
 func SendEventChecked(c *xgb.Conn, Propagate bool, Destination Window, EventMask uint32, Event string) SendEventCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(sendEventRequest(c, Propagate, Destination, EventMask, Event), cookie)
 	return SendEventCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook SendEventCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for SendEvent
+// sendEventRequest writes a SendEvent request to a byte slice.
 func sendEventRequest(c *xgb.Conn, Propagate bool, Destination Window, EventMask uint32, Event string) []byte {
 	size := 44
 	b := 0
@@ -8047,33 +8122,35 @@ func sendEventRequest(c *xgb.Conn, Propagate bool, Destination Window, EventMask
 	return buf
 }
 
-// Request GrabPointer
-// size: 24
+// GrabPointerCookie is a cookie used only for GrabPointer requests.
 type GrabPointerCookie struct {
 	*xgb.Cookie
 }
 
+// GrabPointer sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GrabPointerCookie.Reply()
 func GrabPointer(c *xgb.Conn, OwnerEvents bool, GrabWindow Window, EventMask uint16, PointerMode byte, KeyboardMode byte, ConfineTo Window, Cursor Cursor, Time Timestamp) GrabPointerCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(grabPointerRequest(c, OwnerEvents, GrabWindow, EventMask, PointerMode, KeyboardMode, ConfineTo, Cursor, Time), cookie)
 	return GrabPointerCookie{cookie}
 }
 
+// GrabPointerUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GrabPointerUnchecked(c *xgb.Conn, OwnerEvents bool, GrabWindow Window, EventMask uint16, PointerMode byte, KeyboardMode byte, ConfineTo Window, Cursor Cursor, Time Timestamp) GrabPointerCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(grabPointerRequest(c, OwnerEvents, GrabWindow, EventMask, PointerMode, KeyboardMode, ConfineTo, Cursor, Time), cookie)
 	return GrabPointerCookie{cookie}
 }
 
-// Request reply for GrabPointer
-// size: 8
+// GrabPointerReply represents the data returned from a GrabPointer request.
 type GrabPointerReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	Status   byte
 }
 
-// Waits and reads reply data from request GrabPointer
+// Reply blocks and returns the reply data for a GrabPointer request.
 func (cook GrabPointerCookie) Reply() (*GrabPointerReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -8085,7 +8162,7 @@ func (cook GrabPointerCookie) Reply() (*GrabPointerReply, error) {
 	return grabPointerReply(buf), nil
 }
 
-// Read reply into structure from buffer for GrabPointer
+// grabPointerReply reads a byte slice into a GrabPointerReply value.
 func grabPointerReply(buf []byte) *GrabPointerReply {
 	v := new(GrabPointerReply)
 	b := 1 // skip reply determinant
@@ -8103,6 +8180,7 @@ func grabPointerReply(buf []byte) *GrabPointerReply {
 }
 
 // Write request to wire for GrabPointer
+// grabPointerRequest writes a GrabPointer request to a byte slice.
 func grabPointerRequest(c *xgb.Conn, OwnerEvents bool, GrabWindow Window, EventMask uint16, PointerMode byte, KeyboardMode byte, ConfineTo Window, Cursor Cursor, Time Timestamp) []byte {
 	size := 24
 	b := 0
@@ -8145,30 +8223,35 @@ func grabPointerRequest(c *xgb.Conn, OwnerEvents bool, GrabWindow Window, EventM
 	return buf
 }
 
-// Request UngrabPointer
-// size: 8
+// UngrabPointerCookie is a cookie used only for UngrabPointer requests.
 type UngrabPointerCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for UngrabPointer
+// UngrabPointer sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func UngrabPointer(c *xgb.Conn, Time Timestamp) UngrabPointerCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(ungrabPointerRequest(c, Time), cookie)
 	return UngrabPointerCookie{cookie}
 }
 
+// UngrabPointerChecked sends a checked request.
+// If an error occurs, it can be retrieved using UngrabPointerCookie.Check()
 func UngrabPointerChecked(c *xgb.Conn, Time Timestamp) UngrabPointerCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(ungrabPointerRequest(c, Time), cookie)
 	return UngrabPointerCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook UngrabPointerCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for UngrabPointer
+// ungrabPointerRequest writes a UngrabPointer request to a byte slice.
 func ungrabPointerRequest(c *xgb.Conn, Time Timestamp) []byte {
 	size := 8
 	b := 0
@@ -8188,30 +8271,35 @@ func ungrabPointerRequest(c *xgb.Conn, Time Timestamp) []byte {
 	return buf
 }
 
-// Request GrabButton
-// size: 24
+// GrabButtonCookie is a cookie used only for GrabButton requests.
 type GrabButtonCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for GrabButton
+// GrabButton sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GrabButton(c *xgb.Conn, OwnerEvents bool, GrabWindow Window, EventMask uint16, PointerMode byte, KeyboardMode byte, ConfineTo Window, Cursor Cursor, Button byte, Modifiers uint16) GrabButtonCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(grabButtonRequest(c, OwnerEvents, GrabWindow, EventMask, PointerMode, KeyboardMode, ConfineTo, Cursor, Button, Modifiers), cookie)
 	return GrabButtonCookie{cookie}
 }
 
+// GrabButtonChecked sends a checked request.
+// If an error occurs, it can be retrieved using GrabButtonCookie.Check()
 func GrabButtonChecked(c *xgb.Conn, OwnerEvents bool, GrabWindow Window, EventMask uint16, PointerMode byte, KeyboardMode byte, ConfineTo Window, Cursor Cursor, Button byte, Modifiers uint16) GrabButtonCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(grabButtonRequest(c, OwnerEvents, GrabWindow, EventMask, PointerMode, KeyboardMode, ConfineTo, Cursor, Button, Modifiers), cookie)
 	return GrabButtonCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook GrabButtonCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for GrabButton
+// grabButtonRequest writes a GrabButton request to a byte slice.
 func grabButtonRequest(c *xgb.Conn, OwnerEvents bool, GrabWindow Window, EventMask uint16, PointerMode byte, KeyboardMode byte, ConfineTo Window, Cursor Cursor, Button byte, Modifiers uint16) []byte {
 	size := 24
 	b := 0
@@ -8259,30 +8347,35 @@ func grabButtonRequest(c *xgb.Conn, OwnerEvents bool, GrabWindow Window, EventMa
 	return buf
 }
 
-// Request UngrabButton
-// size: 12
+// UngrabButtonCookie is a cookie used only for UngrabButton requests.
 type UngrabButtonCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for UngrabButton
+// UngrabButton sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func UngrabButton(c *xgb.Conn, Button byte, GrabWindow Window, Modifiers uint16) UngrabButtonCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(ungrabButtonRequest(c, Button, GrabWindow, Modifiers), cookie)
 	return UngrabButtonCookie{cookie}
 }
 
+// UngrabButtonChecked sends a checked request.
+// If an error occurs, it can be retrieved using UngrabButtonCookie.Check()
 func UngrabButtonChecked(c *xgb.Conn, Button byte, GrabWindow Window, Modifiers uint16) UngrabButtonCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(ungrabButtonRequest(c, Button, GrabWindow, Modifiers), cookie)
 	return UngrabButtonCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook UngrabButtonCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for UngrabButton
+// ungrabButtonRequest writes a UngrabButton request to a byte slice.
 func ungrabButtonRequest(c *xgb.Conn, Button byte, GrabWindow Window, Modifiers uint16) []byte {
 	size := 12
 	b := 0
@@ -8308,30 +8401,35 @@ func ungrabButtonRequest(c *xgb.Conn, Button byte, GrabWindow Window, Modifiers
 	return buf
 }
 
-// Request ChangeActivePointerGrab
-// size: 16
+// ChangeActivePointerGrabCookie is a cookie used only for ChangeActivePointerGrab requests.
 type ChangeActivePointerGrabCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for ChangeActivePointerGrab
+// ChangeActivePointerGrab sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ChangeActivePointerGrab(c *xgb.Conn, Cursor Cursor, Time Timestamp, EventMask uint16) ChangeActivePointerGrabCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(changeActivePointerGrabRequest(c, Cursor, Time, EventMask), cookie)
 	return ChangeActivePointerGrabCookie{cookie}
 }
 
+// ChangeActivePointerGrabChecked sends a checked request.
+// If an error occurs, it can be retrieved using ChangeActivePointerGrabCookie.Check()
 func ChangeActivePointerGrabChecked(c *xgb.Conn, Cursor Cursor, Time Timestamp, EventMask uint16) ChangeActivePointerGrabCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(changeActivePointerGrabRequest(c, Cursor, Time, EventMask), cookie)
 	return ChangeActivePointerGrabCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook ChangeActivePointerGrabCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for ChangeActivePointerGrab
+// changeActivePointerGrabRequest writes a ChangeActivePointerGrab request to a byte slice.
 func changeActivePointerGrabRequest(c *xgb.Conn, Cursor Cursor, Time Timestamp, EventMask uint16) []byte {
 	size := 16
 	b := 0
@@ -8359,33 +8457,35 @@ func changeActivePointerGrabRequest(c *xgb.Conn, Cursor Cursor, Time Timestamp,
 	return buf
 }
 
-// Request GrabKeyboard
-// size: 16
+// GrabKeyboardCookie is a cookie used only for GrabKeyboard requests.
 type GrabKeyboardCookie struct {
 	*xgb.Cookie
 }
 
+// GrabKeyboard sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GrabKeyboardCookie.Reply()
 func GrabKeyboard(c *xgb.Conn, OwnerEvents bool, GrabWindow Window, Time Timestamp, PointerMode byte, KeyboardMode byte) GrabKeyboardCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(grabKeyboardRequest(c, OwnerEvents, GrabWindow, Time, PointerMode, KeyboardMode), cookie)
 	return GrabKeyboardCookie{cookie}
 }
 
+// GrabKeyboardUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GrabKeyboardUnchecked(c *xgb.Conn, OwnerEvents bool, GrabWindow Window, Time Timestamp, PointerMode byte, KeyboardMode byte) GrabKeyboardCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(grabKeyboardRequest(c, OwnerEvents, GrabWindow, Time, PointerMode, KeyboardMode), cookie)
 	return GrabKeyboardCookie{cookie}
 }
 
-// Request reply for GrabKeyboard
-// size: 8
+// GrabKeyboardReply represents the data returned from a GrabKeyboard request.
 type GrabKeyboardReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	Status   byte
 }
 
-// Waits and reads reply data from request GrabKeyboard
+// Reply blocks and returns the reply data for a GrabKeyboard request.
 func (cook GrabKeyboardCookie) Reply() (*GrabKeyboardReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -8397,7 +8497,7 @@ func (cook GrabKeyboardCookie) Reply() (*GrabKeyboardReply, error) {
 	return grabKeyboardReply(buf), nil
 }
 
-// Read reply into structure from buffer for GrabKeyboard
+// grabKeyboardReply reads a byte slice into a GrabKeyboardReply value.
 func grabKeyboardReply(buf []byte) *GrabKeyboardReply {
 	v := new(GrabKeyboardReply)
 	b := 1 // skip reply determinant
@@ -8415,6 +8515,7 @@ func grabKeyboardReply(buf []byte) *GrabKeyboardReply {
 }
 
 // Write request to wire for GrabKeyboard
+// grabKeyboardRequest writes a GrabKeyboard request to a byte slice.
 func grabKeyboardRequest(c *xgb.Conn, OwnerEvents bool, GrabWindow Window, Time Timestamp, PointerMode byte, KeyboardMode byte) []byte {
 	size := 16
 	b := 0
@@ -8450,30 +8551,35 @@ func grabKeyboardRequest(c *xgb.Conn, OwnerEvents bool, GrabWindow Window, Time
 	return buf
 }
 
-// Request UngrabKeyboard
-// size: 8
+// UngrabKeyboardCookie is a cookie used only for UngrabKeyboard requests.
 type UngrabKeyboardCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for UngrabKeyboard
+// UngrabKeyboard sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func UngrabKeyboard(c *xgb.Conn, Time Timestamp) UngrabKeyboardCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(ungrabKeyboardRequest(c, Time), cookie)
 	return UngrabKeyboardCookie{cookie}
 }
 
+// UngrabKeyboardChecked sends a checked request.
+// If an error occurs, it can be retrieved using UngrabKeyboardCookie.Check()
 func UngrabKeyboardChecked(c *xgb.Conn, Time Timestamp) UngrabKeyboardCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(ungrabKeyboardRequest(c, Time), cookie)
 	return UngrabKeyboardCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook UngrabKeyboardCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for UngrabKeyboard
+// ungrabKeyboardRequest writes a UngrabKeyboard request to a byte slice.
 func ungrabKeyboardRequest(c *xgb.Conn, Time Timestamp) []byte {
 	size := 8
 	b := 0
@@ -8493,30 +8599,35 @@ func ungrabKeyboardRequest(c *xgb.Conn, Time Timestamp) []byte {
 	return buf
 }
 
-// Request GrabKey
-// size: 16
+// GrabKeyCookie is a cookie used only for GrabKey requests.
 type GrabKeyCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for GrabKey
+// GrabKey sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GrabKey(c *xgb.Conn, OwnerEvents bool, GrabWindow Window, Modifiers uint16, Key Keycode, PointerMode byte, KeyboardMode byte) GrabKeyCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(grabKeyRequest(c, OwnerEvents, GrabWindow, Modifiers, Key, PointerMode, KeyboardMode), cookie)
 	return GrabKeyCookie{cookie}
 }
 
+// GrabKeyChecked sends a checked request.
+// If an error occurs, it can be retrieved using GrabKeyCookie.Check()
 func GrabKeyChecked(c *xgb.Conn, OwnerEvents bool, GrabWindow Window, Modifiers uint16, Key Keycode, PointerMode byte, KeyboardMode byte) GrabKeyCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(grabKeyRequest(c, OwnerEvents, GrabWindow, Modifiers, Key, PointerMode, KeyboardMode), cookie)
 	return GrabKeyCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook GrabKeyCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for GrabKey
+// grabKeyRequest writes a GrabKey request to a byte slice.
 func grabKeyRequest(c *xgb.Conn, OwnerEvents bool, GrabWindow Window, Modifiers uint16, Key Keycode, PointerMode byte, KeyboardMode byte) []byte {
 	size := 16
 	b := 0
@@ -8555,30 +8666,35 @@ func grabKeyRequest(c *xgb.Conn, OwnerEvents bool, GrabWindow Window, Modifiers
 	return buf
 }
 
-// Request UngrabKey
-// size: 12
+// UngrabKeyCookie is a cookie used only for UngrabKey requests.
 type UngrabKeyCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for UngrabKey
+// UngrabKey sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func UngrabKey(c *xgb.Conn, Key Keycode, GrabWindow Window, Modifiers uint16) UngrabKeyCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(ungrabKeyRequest(c, Key, GrabWindow, Modifiers), cookie)
 	return UngrabKeyCookie{cookie}
 }
 
+// UngrabKeyChecked sends a checked request.
+// If an error occurs, it can be retrieved using UngrabKeyCookie.Check()
 func UngrabKeyChecked(c *xgb.Conn, Key Keycode, GrabWindow Window, Modifiers uint16) UngrabKeyCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(ungrabKeyRequest(c, Key, GrabWindow, Modifiers), cookie)
 	return UngrabKeyCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook UngrabKeyCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for UngrabKey
+// ungrabKeyRequest writes a UngrabKey request to a byte slice.
 func ungrabKeyRequest(c *xgb.Conn, Key Keycode, GrabWindow Window, Modifiers uint16) []byte {
 	size := 12
 	b := 0
@@ -8604,30 +8720,35 @@ func ungrabKeyRequest(c *xgb.Conn, Key Keycode, GrabWindow Window, Modifiers uin
 	return buf
 }
 
-// Request AllowEvents
-// size: 8
+// AllowEventsCookie is a cookie used only for AllowEvents requests.
 type AllowEventsCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for AllowEvents
+// AllowEvents sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func AllowEvents(c *xgb.Conn, Mode byte, Time Timestamp) AllowEventsCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(allowEventsRequest(c, Mode, Time), cookie)
 	return AllowEventsCookie{cookie}
 }
 
+// AllowEventsChecked sends a checked request.
+// If an error occurs, it can be retrieved using AllowEventsCookie.Check()
 func AllowEventsChecked(c *xgb.Conn, Mode byte, Time Timestamp) AllowEventsCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(allowEventsRequest(c, Mode, Time), cookie)
 	return AllowEventsCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook AllowEventsCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for AllowEvents
+// allowEventsRequest writes a AllowEvents request to a byte slice.
 func allowEventsRequest(c *xgb.Conn, Mode byte, Time Timestamp) []byte {
 	size := 8
 	b := 0
@@ -8648,30 +8769,35 @@ func allowEventsRequest(c *xgb.Conn, Mode byte, Time Timestamp) []byte {
 	return buf
 }
 
-// Request GrabServer
-// size: 4
+// GrabServerCookie is a cookie used only for GrabServer requests.
 type GrabServerCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for GrabServer
+// GrabServer sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GrabServer(c *xgb.Conn) GrabServerCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(grabServerRequest(c), cookie)
 	return GrabServerCookie{cookie}
 }
 
+// GrabServerChecked sends a checked request.
+// If an error occurs, it can be retrieved using GrabServerCookie.Check()
 func GrabServerChecked(c *xgb.Conn) GrabServerCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(grabServerRequest(c), cookie)
 	return GrabServerCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook GrabServerCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for GrabServer
+// grabServerRequest writes a GrabServer request to a byte slice.
 func grabServerRequest(c *xgb.Conn) []byte {
 	size := 4
 	b := 0
@@ -8687,30 +8813,35 @@ func grabServerRequest(c *xgb.Conn) []byte {
 	return buf
 }
 
-// Request UngrabServer
-// size: 4
+// UngrabServerCookie is a cookie used only for UngrabServer requests.
 type UngrabServerCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for UngrabServer
+// UngrabServer sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func UngrabServer(c *xgb.Conn) UngrabServerCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(ungrabServerRequest(c), cookie)
 	return UngrabServerCookie{cookie}
 }
 
+// UngrabServerChecked sends a checked request.
+// If an error occurs, it can be retrieved using UngrabServerCookie.Check()
 func UngrabServerChecked(c *xgb.Conn) UngrabServerCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(ungrabServerRequest(c), cookie)
 	return UngrabServerCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook UngrabServerCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for UngrabServer
+// ungrabServerRequest writes a UngrabServer request to a byte slice.
 func ungrabServerRequest(c *xgb.Conn) []byte {
 	size := 4
 	b := 0
@@ -8726,29 +8857,31 @@ func ungrabServerRequest(c *xgb.Conn) []byte {
 	return buf
 }
 
-// Request QueryPointer
-// size: 8
+// QueryPointerCookie is a cookie used only for QueryPointer requests.
 type QueryPointerCookie struct {
 	*xgb.Cookie
 }
 
+// QueryPointer sends a checked request.
+// If an error occurs, it will be returned with the reply by calling QueryPointerCookie.Reply()
 func QueryPointer(c *xgb.Conn, Window Window) QueryPointerCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(queryPointerRequest(c, Window), cookie)
 	return QueryPointerCookie{cookie}
 }
 
+// QueryPointerUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func QueryPointerUnchecked(c *xgb.Conn, Window Window) QueryPointerCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(queryPointerRequest(c, Window), cookie)
 	return QueryPointerCookie{cookie}
 }
 
-// Request reply for QueryPointer
-// size: 28
+// QueryPointerReply represents the data returned from a QueryPointer request.
 type QueryPointerReply struct {
-	Sequence   uint16
-	Length     uint32
+	Sequence   uint16 // sequence number of the request for this reply
+	Length     uint32 // number of bytes in this reply
 	SameScreen bool
 	Root       Window
 	Child      Window
@@ -8760,7 +8893,7 @@ type QueryPointerReply struct {
 	// padding: 2 bytes
 }
 
-// Waits and reads reply data from request QueryPointer
+// Reply blocks and returns the reply data for a QueryPointer request.
 func (cook QueryPointerCookie) Reply() (*QueryPointerReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -8772,7 +8905,7 @@ func (cook QueryPointerCookie) Reply() (*QueryPointerReply, error) {
 	return queryPointerReply(buf), nil
 }
 
-// Read reply into structure from buffer for QueryPointer
+// queryPointerReply reads a byte slice into a QueryPointerReply value.
 func queryPointerReply(buf []byte) *QueryPointerReply {
 	v := new(QueryPointerReply)
 	b := 1 // skip reply determinant
@@ -8817,6 +8950,7 @@ func queryPointerReply(buf []byte) *QueryPointerReply {
 }
 
 // Write request to wire for QueryPointer
+// queryPointerRequest writes a QueryPointer request to a byte slice.
 func queryPointerRequest(c *xgb.Conn, Window Window) []byte {
 	size := 8
 	b := 0
@@ -8836,36 +8970,38 @@ func queryPointerRequest(c *xgb.Conn, Window Window) []byte {
 	return buf
 }
 
-// Request GetMotionEvents
-// size: 16
+// GetMotionEventsCookie is a cookie used only for GetMotionEvents requests.
 type GetMotionEventsCookie struct {
 	*xgb.Cookie
 }
 
+// GetMotionEvents sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GetMotionEventsCookie.Reply()
 func GetMotionEvents(c *xgb.Conn, Window Window, Start Timestamp, Stop Timestamp) GetMotionEventsCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getMotionEventsRequest(c, Window, Start, Stop), cookie)
 	return GetMotionEventsCookie{cookie}
 }
 
+// GetMotionEventsUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetMotionEventsUnchecked(c *xgb.Conn, Window Window, Start Timestamp, Stop Timestamp) GetMotionEventsCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getMotionEventsRequest(c, Window, Start, Stop), cookie)
 	return GetMotionEventsCookie{cookie}
 }
 
-// Request reply for GetMotionEvents
-// size: (32 + xgb.Pad((int(EventsLen) * 8)))
+// GetMotionEventsReply represents the data returned from a GetMotionEvents request.
 type GetMotionEventsReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	EventsLen uint32
 	// padding: 20 bytes
 	Events []Timecoord // size: xgb.Pad((int(EventsLen) * 8))
 }
 
-// Waits and reads reply data from request GetMotionEvents
+// Reply blocks and returns the reply data for a GetMotionEvents request.
 func (cook GetMotionEventsCookie) Reply() (*GetMotionEventsReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -8877,7 +9013,7 @@ func (cook GetMotionEventsCookie) Reply() (*GetMotionEventsReply, error) {
 	return getMotionEventsReply(buf), nil
 }
 
-// Read reply into structure from buffer for GetMotionEvents
+// getMotionEventsReply reads a byte slice into a GetMotionEventsReply value.
 func getMotionEventsReply(buf []byte) *GetMotionEventsReply {
 	v := new(GetMotionEventsReply)
 	b := 1 // skip reply determinant
@@ -8902,6 +9038,7 @@ func getMotionEventsReply(buf []byte) *GetMotionEventsReply {
 }
 
 // Write request to wire for GetMotionEvents
+// getMotionEventsRequest writes a GetMotionEvents request to a byte slice.
 func getMotionEventsRequest(c *xgb.Conn, Window Window, Start Timestamp, Stop Timestamp) []byte {
 	size := 16
 	b := 0
@@ -8927,36 +9064,38 @@ func getMotionEventsRequest(c *xgb.Conn, Window Window, Start Timestamp, Stop Ti
 	return buf
 }
 
-// Request TranslateCoordinates
-// size: 16
+// TranslateCoordinatesCookie is a cookie used only for TranslateCoordinates requests.
 type TranslateCoordinatesCookie struct {
 	*xgb.Cookie
 }
 
+// TranslateCoordinates sends a checked request.
+// If an error occurs, it will be returned with the reply by calling TranslateCoordinatesCookie.Reply()
 func TranslateCoordinates(c *xgb.Conn, SrcWindow Window, DstWindow Window, SrcX int16, SrcY int16) TranslateCoordinatesCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(translateCoordinatesRequest(c, SrcWindow, DstWindow, SrcX, SrcY), cookie)
 	return TranslateCoordinatesCookie{cookie}
 }
 
+// TranslateCoordinatesUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func TranslateCoordinatesUnchecked(c *xgb.Conn, SrcWindow Window, DstWindow Window, SrcX int16, SrcY int16) TranslateCoordinatesCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(translateCoordinatesRequest(c, SrcWindow, DstWindow, SrcX, SrcY), cookie)
 	return TranslateCoordinatesCookie{cookie}
 }
 
-// Request reply for TranslateCoordinates
-// size: 16
+// TranslateCoordinatesReply represents the data returned from a TranslateCoordinates request.
 type TranslateCoordinatesReply struct {
-	Sequence   uint16
-	Length     uint32
+	Sequence   uint16 // sequence number of the request for this reply
+	Length     uint32 // number of bytes in this reply
 	SameScreen bool
 	Child      Window
 	DstX       int16
 	DstY       int16
 }
 
-// Waits and reads reply data from request TranslateCoordinates
+// Reply blocks and returns the reply data for a TranslateCoordinates request.
 func (cook TranslateCoordinatesCookie) Reply() (*TranslateCoordinatesReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -8968,7 +9107,7 @@ func (cook TranslateCoordinatesCookie) Reply() (*TranslateCoordinatesReply, erro
 	return translateCoordinatesReply(buf), nil
 }
 
-// Read reply into structure from buffer for TranslateCoordinates
+// translateCoordinatesReply reads a byte slice into a TranslateCoordinatesReply value.
 func translateCoordinatesReply(buf []byte) *TranslateCoordinatesReply {
 	v := new(TranslateCoordinatesReply)
 	b := 1 // skip reply determinant
@@ -8999,6 +9138,7 @@ func translateCoordinatesReply(buf []byte) *TranslateCoordinatesReply {
 }
 
 // Write request to wire for TranslateCoordinates
+// translateCoordinatesRequest writes a TranslateCoordinates request to a byte slice.
 func translateCoordinatesRequest(c *xgb.Conn, SrcWindow Window, DstWindow Window, SrcX int16, SrcY int16) []byte {
 	size := 16
 	b := 0
@@ -9027,30 +9167,35 @@ func translateCoordinatesRequest(c *xgb.Conn, SrcWindow Window, DstWindow Window
 	return buf
 }
 
-// Request WarpPointer
-// size: 24
+// WarpPointerCookie is a cookie used only for WarpPointer requests.
 type WarpPointerCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for WarpPointer
+// WarpPointer sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func WarpPointer(c *xgb.Conn, SrcWindow Window, DstWindow Window, SrcX int16, SrcY int16, SrcWidth uint16, SrcHeight uint16, DstX int16, DstY int16) WarpPointerCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(warpPointerRequest(c, SrcWindow, DstWindow, SrcX, SrcY, SrcWidth, SrcHeight, DstX, DstY), cookie)
 	return WarpPointerCookie{cookie}
 }
 
+// WarpPointerChecked sends a checked request.
+// If an error occurs, it can be retrieved using WarpPointerCookie.Check()
 func WarpPointerChecked(c *xgb.Conn, SrcWindow Window, DstWindow Window, SrcX int16, SrcY int16, SrcWidth uint16, SrcHeight uint16, DstX int16, DstY int16) WarpPointerCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(warpPointerRequest(c, SrcWindow, DstWindow, SrcX, SrcY, SrcWidth, SrcHeight, DstX, DstY), cookie)
 	return WarpPointerCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook WarpPointerCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for WarpPointer
+// warpPointerRequest writes a WarpPointer request to a byte slice.
 func warpPointerRequest(c *xgb.Conn, SrcWindow Window, DstWindow Window, SrcX int16, SrcY int16, SrcWidth uint16, SrcHeight uint16, DstX int16, DstY int16) []byte {
 	size := 24
 	b := 0
@@ -9091,30 +9236,35 @@ func warpPointerRequest(c *xgb.Conn, SrcWindow Window, DstWindow Window, SrcX in
 	return buf
 }
 
-// Request SetInputFocus
-// size: 12
+// SetInputFocusCookie is a cookie used only for SetInputFocus requests.
 type SetInputFocusCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for SetInputFocus
+// SetInputFocus sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func SetInputFocus(c *xgb.Conn, RevertTo byte, Focus Window, Time Timestamp) SetInputFocusCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(setInputFocusRequest(c, RevertTo, Focus, Time), cookie)
 	return SetInputFocusCookie{cookie}
 }
 
+// SetInputFocusChecked sends a checked request.
+// If an error occurs, it can be retrieved using SetInputFocusCookie.Check()
 func SetInputFocusChecked(c *xgb.Conn, RevertTo byte, Focus Window, Time Timestamp) SetInputFocusCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(setInputFocusRequest(c, RevertTo, Focus, Time), cookie)
 	return SetInputFocusCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook SetInputFocusCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for SetInputFocus
+// setInputFocusRequest writes a SetInputFocus request to a byte slice.
 func setInputFocusRequest(c *xgb.Conn, RevertTo byte, Focus Window, Time Timestamp) []byte {
 	size := 12
 	b := 0
@@ -9138,34 +9288,36 @@ func setInputFocusRequest(c *xgb.Conn, RevertTo byte, Focus Window, Time Timesta
 	return buf
 }
 
-// Request GetInputFocus
-// size: 4
+// GetInputFocusCookie is a cookie used only for GetInputFocus requests.
 type GetInputFocusCookie struct {
 	*xgb.Cookie
 }
 
+// GetInputFocus sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GetInputFocusCookie.Reply()
 func GetInputFocus(c *xgb.Conn) GetInputFocusCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getInputFocusRequest(c), cookie)
 	return GetInputFocusCookie{cookie}
 }
 
+// GetInputFocusUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetInputFocusUnchecked(c *xgb.Conn) GetInputFocusCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getInputFocusRequest(c), cookie)
 	return GetInputFocusCookie{cookie}
 }
 
-// Request reply for GetInputFocus
-// size: 12
+// GetInputFocusReply represents the data returned from a GetInputFocus request.
 type GetInputFocusReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	RevertTo byte
 	Focus    Window
 }
 
-// Waits and reads reply data from request GetInputFocus
+// Reply blocks and returns the reply data for a GetInputFocus request.
 func (cook GetInputFocusCookie) Reply() (*GetInputFocusReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -9177,7 +9329,7 @@ func (cook GetInputFocusCookie) Reply() (*GetInputFocusReply, error) {
 	return getInputFocusReply(buf), nil
 }
 
-// Read reply into structure from buffer for GetInputFocus
+// getInputFocusReply reads a byte slice into a GetInputFocusReply value.
 func getInputFocusReply(buf []byte) *GetInputFocusReply {
 	v := new(GetInputFocusReply)
 	b := 1 // skip reply determinant
@@ -9198,6 +9350,7 @@ func getInputFocusReply(buf []byte) *GetInputFocusReply {
 }
 
 // Write request to wire for GetInputFocus
+// getInputFocusRequest writes a GetInputFocus request to a byte slice.
 func getInputFocusRequest(c *xgb.Conn) []byte {
 	size := 4
 	b := 0
@@ -9213,34 +9366,36 @@ func getInputFocusRequest(c *xgb.Conn) []byte {
 	return buf
 }
 
-// Request QueryKeymap
-// size: 4
+// QueryKeymapCookie is a cookie used only for QueryKeymap requests.
 type QueryKeymapCookie struct {
 	*xgb.Cookie
 }
 
+// QueryKeymap sends a checked request.
+// If an error occurs, it will be returned with the reply by calling QueryKeymapCookie.Reply()
 func QueryKeymap(c *xgb.Conn) QueryKeymapCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(queryKeymapRequest(c), cookie)
 	return QueryKeymapCookie{cookie}
 }
 
+// QueryKeymapUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func QueryKeymapUnchecked(c *xgb.Conn) QueryKeymapCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(queryKeymapRequest(c), cookie)
 	return QueryKeymapCookie{cookie}
 }
 
-// Request reply for QueryKeymap
-// size: 40
+// QueryKeymapReply represents the data returned from a QueryKeymap request.
 type QueryKeymapReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	Keys []byte // size: 32
 }
 
-// Waits and reads reply data from request QueryKeymap
+// Reply blocks and returns the reply data for a QueryKeymap request.
 func (cook QueryKeymapCookie) Reply() (*QueryKeymapReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -9252,7 +9407,7 @@ func (cook QueryKeymapCookie) Reply() (*QueryKeymapReply, error) {
 	return queryKeymapReply(buf), nil
 }
 
-// Read reply into structure from buffer for QueryKeymap
+// queryKeymapReply reads a byte slice into a QueryKeymapReply value.
 func queryKeymapReply(buf []byte) *QueryKeymapReply {
 	v := new(QueryKeymapReply)
 	b := 1 // skip reply determinant
@@ -9273,6 +9428,7 @@ func queryKeymapReply(buf []byte) *QueryKeymapReply {
 }
 
 // Write request to wire for QueryKeymap
+// queryKeymapRequest writes a QueryKeymap request to a byte slice.
 func queryKeymapRequest(c *xgb.Conn) []byte {
 	size := 4
 	b := 0
@@ -9288,30 +9444,35 @@ func queryKeymapRequest(c *xgb.Conn) []byte {
 	return buf
 }
 
-// Request OpenFont
-// size: xgb.Pad((12 + xgb.Pad((int(NameLen) * 1))))
+// OpenFontCookie is a cookie used only for OpenFont requests.
 type OpenFontCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for OpenFont
+// OpenFont sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func OpenFont(c *xgb.Conn, Fid Font, NameLen uint16, Name string) OpenFontCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(openFontRequest(c, Fid, NameLen, Name), cookie)
 	return OpenFontCookie{cookie}
 }
 
+// OpenFontChecked sends a checked request.
+// If an error occurs, it can be retrieved using OpenFontCookie.Check()
 func OpenFontChecked(c *xgb.Conn, Fid Font, NameLen uint16, Name string) OpenFontCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(openFontRequest(c, Fid, NameLen, Name), cookie)
 	return OpenFontCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook OpenFontCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for OpenFont
+// openFontRequest writes a OpenFont request to a byte slice.
 func openFontRequest(c *xgb.Conn, Fid Font, NameLen uint16, Name string) []byte {
 	size := xgb.Pad((12 + xgb.Pad((int(NameLen) * 1))))
 	b := 0
@@ -9339,30 +9500,35 @@ func openFontRequest(c *xgb.Conn, Fid Font, NameLen uint16, Name string) []byte
 	return buf
 }
 
-// Request CloseFont
-// size: 8
+// CloseFontCookie is a cookie used only for CloseFont requests.
 type CloseFontCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for CloseFont
+// CloseFont sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func CloseFont(c *xgb.Conn, Font Font) CloseFontCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(closeFontRequest(c, Font), cookie)
 	return CloseFontCookie{cookie}
 }
 
+// CloseFontChecked sends a checked request.
+// If an error occurs, it can be retrieved using CloseFontCookie.Check()
 func CloseFontChecked(c *xgb.Conn, Font Font) CloseFontCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(closeFontRequest(c, Font), cookie)
 	return CloseFontCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook CloseFontCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for CloseFont
+// closeFontRequest writes a CloseFont request to a byte slice.
 func closeFontRequest(c *xgb.Conn, Font Font) []byte {
 	size := 8
 	b := 0
@@ -9382,29 +9548,31 @@ func closeFontRequest(c *xgb.Conn, Font Font) []byte {
 	return buf
 }
 
-// Request QueryFont
-// size: 8
+// QueryFontCookie is a cookie used only for QueryFont requests.
 type QueryFontCookie struct {
 	*xgb.Cookie
 }
 
+// QueryFont sends a checked request.
+// If an error occurs, it will be returned with the reply by calling QueryFontCookie.Reply()
 func QueryFont(c *xgb.Conn, Font Fontable) QueryFontCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(queryFontRequest(c, Font), cookie)
 	return QueryFontCookie{cookie}
 }
 
+// QueryFontUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func QueryFontUnchecked(c *xgb.Conn, Font Fontable) QueryFontCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(queryFontRequest(c, Font), cookie)
 	return QueryFontCookie{cookie}
 }
 
-// Request reply for QueryFont
-// size: ((60 + xgb.Pad((int(PropertiesLen) * 8))) + xgb.Pad((int(CharInfosLen) * 12)))
+// QueryFontReply represents the data returned from a QueryFont request.
 type QueryFontReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	MinBounds Charinfo
 	// padding: 4 bytes
@@ -9425,7 +9593,7 @@ type QueryFontReply struct {
 	CharInfos      []Charinfo // size: xgb.Pad((int(CharInfosLen) * 12))
 }
 
-// Waits and reads reply data from request QueryFont
+// Reply blocks and returns the reply data for a QueryFont request.
 func (cook QueryFontCookie) Reply() (*QueryFontReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -9437,7 +9605,7 @@ func (cook QueryFontCookie) Reply() (*QueryFontReply, error) {
 	return queryFontReply(buf), nil
 }
 
-// Read reply into structure from buffer for QueryFont
+// queryFontReply reads a byte slice into a QueryFontReply value.
 func queryFontReply(buf []byte) *QueryFontReply {
 	v := new(QueryFontReply)
 	b := 1 // skip reply determinant
@@ -9507,6 +9675,7 @@ func queryFontReply(buf []byte) *QueryFontReply {
 }
 
 // Write request to wire for QueryFont
+// queryFontRequest writes a QueryFont request to a byte slice.
 func queryFontRequest(c *xgb.Conn, Font Fontable) []byte {
 	size := 8
 	b := 0
@@ -9526,29 +9695,31 @@ func queryFontRequest(c *xgb.Conn, Font Fontable) []byte {
 	return buf
 }
 
-// Request QueryTextExtents
-// size: xgb.Pad((8 + xgb.Pad((len(String) * 2))))
+// QueryTextExtentsCookie is a cookie used only for QueryTextExtents requests.
 type QueryTextExtentsCookie struct {
 	*xgb.Cookie
 }
 
+// QueryTextExtents sends a checked request.
+// If an error occurs, it will be returned with the reply by calling QueryTextExtentsCookie.Reply()
 func QueryTextExtents(c *xgb.Conn, Font Fontable, String []Char2b, StringLen uint16) QueryTextExtentsCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(queryTextExtentsRequest(c, Font, String, StringLen), cookie)
 	return QueryTextExtentsCookie{cookie}
 }
 
+// QueryTextExtentsUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func QueryTextExtentsUnchecked(c *xgb.Conn, Font Fontable, String []Char2b, StringLen uint16) QueryTextExtentsCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(queryTextExtentsRequest(c, Font, String, StringLen), cookie)
 	return QueryTextExtentsCookie{cookie}
 }
 
-// Request reply for QueryTextExtents
-// size: 28
+// QueryTextExtentsReply represents the data returned from a QueryTextExtents request.
 type QueryTextExtentsReply struct {
-	Sequence       uint16
-	Length         uint32
+	Sequence       uint16 // sequence number of the request for this reply
+	Length         uint32 // number of bytes in this reply
 	DrawDirection  byte
 	FontAscent     int16
 	FontDescent    int16
@@ -9559,7 +9730,7 @@ type QueryTextExtentsReply struct {
 	OverallRight   int32
 }
 
-// Waits and reads reply data from request QueryTextExtents
+// Reply blocks and returns the reply data for a QueryTextExtents request.
 func (cook QueryTextExtentsCookie) Reply() (*QueryTextExtentsReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -9571,7 +9742,7 @@ func (cook QueryTextExtentsCookie) Reply() (*QueryTextExtentsReply, error) {
 	return queryTextExtentsReply(buf), nil
 }
 
-// Read reply into structure from buffer for QueryTextExtents
+// queryTextExtentsReply reads a byte slice into a QueryTextExtentsReply value.
 func queryTextExtentsReply(buf []byte) *QueryTextExtentsReply {
 	v := new(QueryTextExtentsReply)
 	b := 1 // skip reply determinant
@@ -9610,6 +9781,7 @@ func queryTextExtentsReply(buf []byte) *QueryTextExtentsReply {
 }
 
 // Write request to wire for QueryTextExtents
+// queryTextExtentsRequest writes a QueryTextExtents request to a byte slice.
 func queryTextExtentsRequest(c *xgb.Conn, Font Fontable, String []Char2b, StringLen uint16) []byte {
 	size := xgb.Pad((8 + xgb.Pad((len(String) * 2))))
 	b := 0
@@ -9634,36 +9806,38 @@ func queryTextExtentsRequest(c *xgb.Conn, Font Fontable, String []Char2b, String
 	return buf
 }
 
-// Request ListFonts
-// size: xgb.Pad((8 + xgb.Pad((int(PatternLen) * 1))))
+// ListFontsCookie is a cookie used only for ListFonts requests.
 type ListFontsCookie struct {
 	*xgb.Cookie
 }
 
+// ListFonts sends a checked request.
+// If an error occurs, it will be returned with the reply by calling ListFontsCookie.Reply()
 func ListFonts(c *xgb.Conn, MaxNames uint16, PatternLen uint16, Pattern string) ListFontsCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(listFontsRequest(c, MaxNames, PatternLen, Pattern), cookie)
 	return ListFontsCookie{cookie}
 }
 
+// ListFontsUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ListFontsUnchecked(c *xgb.Conn, MaxNames uint16, PatternLen uint16, Pattern string) ListFontsCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(listFontsRequest(c, MaxNames, PatternLen, Pattern), cookie)
 	return ListFontsCookie{cookie}
 }
 
-// Request reply for ListFonts
-// size: (32 + StrListSize(Names))
+// ListFontsReply represents the data returned from a ListFonts request.
 type ListFontsReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	NamesLen uint16
 	// padding: 22 bytes
 	Names []Str // size: StrListSize(Names)
 }
 
-// Waits and reads reply data from request ListFonts
+// Reply blocks and returns the reply data for a ListFonts request.
 func (cook ListFontsCookie) Reply() (*ListFontsReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -9675,7 +9849,7 @@ func (cook ListFontsCookie) Reply() (*ListFontsReply, error) {
 	return listFontsReply(buf), nil
 }
 
-// Read reply into structure from buffer for ListFonts
+// listFontsReply reads a byte slice into a ListFontsReply value.
 func listFontsReply(buf []byte) *ListFontsReply {
 	v := new(ListFontsReply)
 	b := 1 // skip reply determinant
@@ -9700,6 +9874,7 @@ func listFontsReply(buf []byte) *ListFontsReply {
 }
 
 // Write request to wire for ListFonts
+// listFontsRequest writes a ListFonts request to a byte slice.
 func listFontsRequest(c *xgb.Conn, MaxNames uint16, PatternLen uint16, Pattern string) []byte {
 	size := xgb.Pad((8 + xgb.Pad((int(PatternLen) * 1))))
 	b := 0
@@ -9725,29 +9900,31 @@ func listFontsRequest(c *xgb.Conn, MaxNames uint16, PatternLen uint16, Pattern s
 	return buf
 }
 
-// Request ListFontsWithInfo
-// size: xgb.Pad((8 + xgb.Pad((int(PatternLen) * 1))))
+// ListFontsWithInfoCookie is a cookie used only for ListFontsWithInfo requests.
 type ListFontsWithInfoCookie struct {
 	*xgb.Cookie
 }
 
+// ListFontsWithInfo sends a checked request.
+// If an error occurs, it will be returned with the reply by calling ListFontsWithInfoCookie.Reply()
 func ListFontsWithInfo(c *xgb.Conn, MaxNames uint16, PatternLen uint16, Pattern string) ListFontsWithInfoCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(listFontsWithInfoRequest(c, MaxNames, PatternLen, Pattern), cookie)
 	return ListFontsWithInfoCookie{cookie}
 }
 
+// ListFontsWithInfoUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ListFontsWithInfoUnchecked(c *xgb.Conn, MaxNames uint16, PatternLen uint16, Pattern string) ListFontsWithInfoCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(listFontsWithInfoRequest(c, MaxNames, PatternLen, Pattern), cookie)
 	return ListFontsWithInfoCookie{cookie}
 }
 
-// Request reply for ListFontsWithInfo
-// size: ((60 + xgb.Pad((int(PropertiesLen) * 8))) + xgb.Pad((int(NameLen) * 1)))
+// ListFontsWithInfoReply represents the data returned from a ListFontsWithInfo request.
 type ListFontsWithInfoReply struct {
-	Sequence  uint16
-	Length    uint32
+	Sequence  uint16 // sequence number of the request for this reply
+	Length    uint32 // number of bytes in this reply
 	NameLen   byte
 	MinBounds Charinfo
 	// padding: 4 bytes
@@ -9768,7 +9945,7 @@ type ListFontsWithInfoReply struct {
 	Name           string     // size: xgb.Pad((int(NameLen) * 1))
 }
 
-// Waits and reads reply data from request ListFontsWithInfo
+// Reply blocks and returns the reply data for a ListFontsWithInfo request.
 func (cook ListFontsWithInfoCookie) Reply() (*ListFontsWithInfoReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -9780,7 +9957,7 @@ func (cook ListFontsWithInfoCookie) Reply() (*ListFontsWithInfoReply, error) {
 	return listFontsWithInfoReply(buf), nil
 }
 
-// Read reply into structure from buffer for ListFontsWithInfo
+// listFontsWithInfoReply reads a byte slice into a ListFontsWithInfoReply value.
 func listFontsWithInfoReply(buf []byte) *ListFontsWithInfoReply {
 	v := new(ListFontsWithInfoReply)
 	b := 1 // skip reply determinant
@@ -9855,6 +10032,7 @@ func listFontsWithInfoReply(buf []byte) *ListFontsWithInfoReply {
 }
 
 // Write request to wire for ListFontsWithInfo
+// listFontsWithInfoRequest writes a ListFontsWithInfo request to a byte slice.
 func listFontsWithInfoRequest(c *xgb.Conn, MaxNames uint16, PatternLen uint16, Pattern string) []byte {
 	size := xgb.Pad((8 + xgb.Pad((int(PatternLen) * 1))))
 	b := 0
@@ -9880,30 +10058,35 @@ func listFontsWithInfoRequest(c *xgb.Conn, MaxNames uint16, PatternLen uint16, P
 	return buf
 }
 
-// Request SetFontPath
-// size: xgb.Pad((8 + StrListSize(Font)))
+// SetFontPathCookie is a cookie used only for SetFontPath requests.
 type SetFontPathCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for SetFontPath
+// SetFontPath sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func SetFontPath(c *xgb.Conn, FontQty uint16, Font []Str) SetFontPathCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(setFontPathRequest(c, FontQty, Font), cookie)
 	return SetFontPathCookie{cookie}
 }
 
+// SetFontPathChecked sends a checked request.
+// If an error occurs, it can be retrieved using SetFontPathCookie.Check()
 func SetFontPathChecked(c *xgb.Conn, FontQty uint16, Font []Str) SetFontPathCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(setFontPathRequest(c, FontQty, Font), cookie)
 	return SetFontPathCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook SetFontPathCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for SetFontPath
+// setFontPathRequest writes a SetFontPath request to a byte slice.
 func setFontPathRequest(c *xgb.Conn, FontQty uint16, Font []Str) []byte {
 	size := xgb.Pad((8 + StrListSize(Font)))
 	b := 0
@@ -9927,36 +10110,38 @@ func setFontPathRequest(c *xgb.Conn, FontQty uint16, Font []Str) []byte {
 	return buf
 }
 
-// Request GetFontPath
-// size: 4
+// GetFontPathCookie is a cookie used only for GetFontPath requests.
 type GetFontPathCookie struct {
 	*xgb.Cookie
 }
 
+// GetFontPath sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GetFontPathCookie.Reply()
 func GetFontPath(c *xgb.Conn) GetFontPathCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getFontPathRequest(c), cookie)
 	return GetFontPathCookie{cookie}
 }
 
+// GetFontPathUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetFontPathUnchecked(c *xgb.Conn) GetFontPathCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getFontPathRequest(c), cookie)
 	return GetFontPathCookie{cookie}
 }
 
-// Request reply for GetFontPath
-// size: (32 + StrListSize(Path))
+// GetFontPathReply represents the data returned from a GetFontPath request.
 type GetFontPathReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	PathLen uint16
 	// padding: 22 bytes
 	Path []Str // size: StrListSize(Path)
 }
 
-// Waits and reads reply data from request GetFontPath
+// Reply blocks and returns the reply data for a GetFontPath request.
 func (cook GetFontPathCookie) Reply() (*GetFontPathReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -9968,7 +10153,7 @@ func (cook GetFontPathCookie) Reply() (*GetFontPathReply, error) {
 	return getFontPathReply(buf), nil
 }
 
-// Read reply into structure from buffer for GetFontPath
+// getFontPathReply reads a byte slice into a GetFontPathReply value.
 func getFontPathReply(buf []byte) *GetFontPathReply {
 	v := new(GetFontPathReply)
 	b := 1 // skip reply determinant
@@ -9993,6 +10178,7 @@ func getFontPathReply(buf []byte) *GetFontPathReply {
 }
 
 // Write request to wire for GetFontPath
+// getFontPathRequest writes a GetFontPath request to a byte slice.
 func getFontPathRequest(c *xgb.Conn) []byte {
 	size := 4
 	b := 0
@@ -10008,30 +10194,35 @@ func getFontPathRequest(c *xgb.Conn) []byte {
 	return buf
 }
 
-// Request CreatePixmap
-// size: 16
+// CreatePixmapCookie is a cookie used only for CreatePixmap requests.
 type CreatePixmapCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for CreatePixmap
+// CreatePixmap sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func CreatePixmap(c *xgb.Conn, Depth byte, Pid Pixmap, Drawable Drawable, Width uint16, Height uint16) CreatePixmapCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(createPixmapRequest(c, Depth, Pid, Drawable, Width, Height), cookie)
 	return CreatePixmapCookie{cookie}
 }
 
+// CreatePixmapChecked sends a checked request.
+// If an error occurs, it can be retrieved using CreatePixmapCookie.Check()
 func CreatePixmapChecked(c *xgb.Conn, Depth byte, Pid Pixmap, Drawable Drawable, Width uint16, Height uint16) CreatePixmapCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(createPixmapRequest(c, Depth, Pid, Drawable, Width, Height), cookie)
 	return CreatePixmapCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook CreatePixmapCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for CreatePixmap
+// createPixmapRequest writes a CreatePixmap request to a byte slice.
 func createPixmapRequest(c *xgb.Conn, Depth byte, Pid Pixmap, Drawable Drawable, Width uint16, Height uint16) []byte {
 	size := 16
 	b := 0
@@ -10061,30 +10252,35 @@ func createPixmapRequest(c *xgb.Conn, Depth byte, Pid Pixmap, Drawable Drawable,
 	return buf
 }
 
-// Request FreePixmap
-// size: 8
+// FreePixmapCookie is a cookie used only for FreePixmap requests.
 type FreePixmapCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for FreePixmap
+// FreePixmap sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func FreePixmap(c *xgb.Conn, Pixmap Pixmap) FreePixmapCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(freePixmapRequest(c, Pixmap), cookie)
 	return FreePixmapCookie{cookie}
 }
 
+// FreePixmapChecked sends a checked request.
+// If an error occurs, it can be retrieved using FreePixmapCookie.Check()
 func FreePixmapChecked(c *xgb.Conn, Pixmap Pixmap) FreePixmapCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(freePixmapRequest(c, Pixmap), cookie)
 	return FreePixmapCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook FreePixmapCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for FreePixmap
+// freePixmapRequest writes a FreePixmap request to a byte slice.
 func freePixmapRequest(c *xgb.Conn, Pixmap Pixmap) []byte {
 	size := 8
 	b := 0
@@ -10104,30 +10300,35 @@ func freePixmapRequest(c *xgb.Conn, Pixmap Pixmap) []byte {
 	return buf
 }
 
-// Request CreateGC
-// size: xgb.Pad((12 + (4 + xgb.Pad((4 * xgb.PopCount(int(ValueMask)))))))
+// CreateGCCookie is a cookie used only for CreateGC requests.
 type CreateGCCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for CreateGC
+// CreateGC sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func CreateGC(c *xgb.Conn, Cid Gcontext, Drawable Drawable, ValueMask uint32, ValueList []uint32) CreateGCCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(createGCRequest(c, Cid, Drawable, ValueMask, ValueList), cookie)
 	return CreateGCCookie{cookie}
 }
 
+// CreateGCChecked sends a checked request.
+// If an error occurs, it can be retrieved using CreateGCCookie.Check()
 func CreateGCChecked(c *xgb.Conn, Cid Gcontext, Drawable Drawable, ValueMask uint32, ValueList []uint32) CreateGCCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(createGCRequest(c, Cid, Drawable, ValueMask, ValueList), cookie)
 	return CreateGCCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook CreateGCCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for CreateGC
+// createGCRequest writes a CreateGC request to a byte slice.
 func createGCRequest(c *xgb.Conn, Cid Gcontext, Drawable Drawable, ValueMask uint32, ValueList []uint32) []byte {
 	size := xgb.Pad((12 + (4 + xgb.Pad((4 * xgb.PopCount(int(ValueMask)))))))
 	b := 0
@@ -10158,30 +10359,35 @@ func createGCRequest(c *xgb.Conn, Cid Gcontext, Drawable Drawable, ValueMask uin
 	return buf
 }
 
-// Request ChangeGC
-// size: xgb.Pad((8 + (4 + xgb.Pad((4 * xgb.PopCount(int(ValueMask)))))))
+// ChangeGCCookie is a cookie used only for ChangeGC requests.
 type ChangeGCCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for ChangeGC
+// ChangeGC sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ChangeGC(c *xgb.Conn, Gc Gcontext, ValueMask uint32, ValueList []uint32) ChangeGCCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(changeGCRequest(c, Gc, ValueMask, ValueList), cookie)
 	return ChangeGCCookie{cookie}
 }
 
+// ChangeGCChecked sends a checked request.
+// If an error occurs, it can be retrieved using ChangeGCCookie.Check()
 func ChangeGCChecked(c *xgb.Conn, Gc Gcontext, ValueMask uint32, ValueList []uint32) ChangeGCCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(changeGCRequest(c, Gc, ValueMask, ValueList), cookie)
 	return ChangeGCCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook ChangeGCCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for ChangeGC
+// changeGCRequest writes a ChangeGC request to a byte slice.
 func changeGCRequest(c *xgb.Conn, Gc Gcontext, ValueMask uint32, ValueList []uint32) []byte {
 	size := xgb.Pad((8 + (4 + xgb.Pad((4 * xgb.PopCount(int(ValueMask)))))))
 	b := 0
@@ -10209,30 +10415,35 @@ func changeGCRequest(c *xgb.Conn, Gc Gcontext, ValueMask uint32, ValueList []uin
 	return buf
 }
 
-// Request CopyGC
-// size: 16
+// CopyGCCookie is a cookie used only for CopyGC requests.
 type CopyGCCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for CopyGC
+// CopyGC sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func CopyGC(c *xgb.Conn, SrcGc Gcontext, DstGc Gcontext, ValueMask uint32) CopyGCCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(copyGCRequest(c, SrcGc, DstGc, ValueMask), cookie)
 	return CopyGCCookie{cookie}
 }
 
+// CopyGCChecked sends a checked request.
+// If an error occurs, it can be retrieved using CopyGCCookie.Check()
 func CopyGCChecked(c *xgb.Conn, SrcGc Gcontext, DstGc Gcontext, ValueMask uint32) CopyGCCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(copyGCRequest(c, SrcGc, DstGc, ValueMask), cookie)
 	return CopyGCCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook CopyGCCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for CopyGC
+// copyGCRequest writes a CopyGC request to a byte slice.
 func copyGCRequest(c *xgb.Conn, SrcGc Gcontext, DstGc Gcontext, ValueMask uint32) []byte {
 	size := 16
 	b := 0
@@ -10258,30 +10469,35 @@ func copyGCRequest(c *xgb.Conn, SrcGc Gcontext, DstGc Gcontext, ValueMask uint32
 	return buf
 }
 
-// Request SetDashes
-// size: xgb.Pad((12 + xgb.Pad((int(DashesLen) * 1))))
+// SetDashesCookie is a cookie used only for SetDashes requests.
 type SetDashesCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for SetDashes
+// SetDashes sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func SetDashes(c *xgb.Conn, Gc Gcontext, DashOffset uint16, DashesLen uint16, Dashes []byte) SetDashesCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(setDashesRequest(c, Gc, DashOffset, DashesLen, Dashes), cookie)
 	return SetDashesCookie{cookie}
 }
 
+// SetDashesChecked sends a checked request.
+// If an error occurs, it can be retrieved using SetDashesCookie.Check()
 func SetDashesChecked(c *xgb.Conn, Gc Gcontext, DashOffset uint16, DashesLen uint16, Dashes []byte) SetDashesCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(setDashesRequest(c, Gc, DashOffset, DashesLen, Dashes), cookie)
 	return SetDashesCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook SetDashesCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for SetDashes
+// setDashesRequest writes a SetDashes request to a byte slice.
 func setDashesRequest(c *xgb.Conn, Gc Gcontext, DashOffset uint16, DashesLen uint16, Dashes []byte) []byte {
 	size := xgb.Pad((12 + xgb.Pad((int(DashesLen) * 1))))
 	b := 0
@@ -10310,30 +10526,35 @@ func setDashesRequest(c *xgb.Conn, Gc Gcontext, DashOffset uint16, DashesLen uin
 	return buf
 }
 
-// Request SetClipRectangles
-// size: xgb.Pad((12 + xgb.Pad((len(Rectangles) * 8))))
+// SetClipRectanglesCookie is a cookie used only for SetClipRectangles requests.
 type SetClipRectanglesCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for SetClipRectangles
+// SetClipRectangles sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func SetClipRectangles(c *xgb.Conn, Ordering byte, Gc Gcontext, ClipXOrigin int16, ClipYOrigin int16, Rectangles []Rectangle) SetClipRectanglesCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(setClipRectanglesRequest(c, Ordering, Gc, ClipXOrigin, ClipYOrigin, Rectangles), cookie)
 	return SetClipRectanglesCookie{cookie}
 }
 
+// SetClipRectanglesChecked sends a checked request.
+// If an error occurs, it can be retrieved using SetClipRectanglesCookie.Check()
 func SetClipRectanglesChecked(c *xgb.Conn, Ordering byte, Gc Gcontext, ClipXOrigin int16, ClipYOrigin int16, Rectangles []Rectangle) SetClipRectanglesCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(setClipRectanglesRequest(c, Ordering, Gc, ClipXOrigin, ClipYOrigin, Rectangles), cookie)
 	return SetClipRectanglesCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook SetClipRectanglesCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for SetClipRectangles
+// setClipRectanglesRequest writes a SetClipRectangles request to a byte slice.
 func setClipRectanglesRequest(c *xgb.Conn, Ordering byte, Gc Gcontext, ClipXOrigin int16, ClipYOrigin int16, Rectangles []Rectangle) []byte {
 	size := xgb.Pad((12 + xgb.Pad((len(Rectangles) * 8))))
 	b := 0
@@ -10362,30 +10583,35 @@ func setClipRectanglesRequest(c *xgb.Conn, Ordering byte, Gc Gcontext, ClipXOrig
 	return buf
 }
 
-// Request FreeGC
-// size: 8
+// FreeGCCookie is a cookie used only for FreeGC requests.
 type FreeGCCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for FreeGC
+// FreeGC sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func FreeGC(c *xgb.Conn, Gc Gcontext) FreeGCCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(freeGCRequest(c, Gc), cookie)
 	return FreeGCCookie{cookie}
 }
 
+// FreeGCChecked sends a checked request.
+// If an error occurs, it can be retrieved using FreeGCCookie.Check()
 func FreeGCChecked(c *xgb.Conn, Gc Gcontext) FreeGCCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(freeGCRequest(c, Gc), cookie)
 	return FreeGCCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook FreeGCCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for FreeGC
+// freeGCRequest writes a FreeGC request to a byte slice.
 func freeGCRequest(c *xgb.Conn, Gc Gcontext) []byte {
 	size := 8
 	b := 0
@@ -10405,30 +10631,35 @@ func freeGCRequest(c *xgb.Conn, Gc Gcontext) []byte {
 	return buf
 }
 
-// Request ClearArea
-// size: 16
+// ClearAreaCookie is a cookie used only for ClearArea requests.
 type ClearAreaCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for ClearArea
+// ClearArea sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ClearArea(c *xgb.Conn, Exposures bool, Window Window, X int16, Y int16, Width uint16, Height uint16) ClearAreaCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(clearAreaRequest(c, Exposures, Window, X, Y, Width, Height), cookie)
 	return ClearAreaCookie{cookie}
 }
 
+// ClearAreaChecked sends a checked request.
+// If an error occurs, it can be retrieved using ClearAreaCookie.Check()
 func ClearAreaChecked(c *xgb.Conn, Exposures bool, Window Window, X int16, Y int16, Width uint16, Height uint16) ClearAreaCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(clearAreaRequest(c, Exposures, Window, X, Y, Width, Height), cookie)
 	return ClearAreaCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook ClearAreaCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for ClearArea
+// clearAreaRequest writes a ClearArea request to a byte slice.
 func clearAreaRequest(c *xgb.Conn, Exposures bool, Window Window, X int16, Y int16, Width uint16, Height uint16) []byte {
 	size := 16
 	b := 0
@@ -10465,30 +10696,35 @@ func clearAreaRequest(c *xgb.Conn, Exposures bool, Window Window, X int16, Y int
 	return buf
 }
 
-// Request CopyArea
-// size: 28
+// CopyAreaCookie is a cookie used only for CopyArea requests.
 type CopyAreaCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for CopyArea
+// CopyArea sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func CopyArea(c *xgb.Conn, SrcDrawable Drawable, DstDrawable Drawable, Gc Gcontext, SrcX int16, SrcY int16, DstX int16, DstY int16, Width uint16, Height uint16) CopyAreaCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(copyAreaRequest(c, SrcDrawable, DstDrawable, Gc, SrcX, SrcY, DstX, DstY, Width, Height), cookie)
 	return CopyAreaCookie{cookie}
 }
 
+// CopyAreaChecked sends a checked request.
+// If an error occurs, it can be retrieved using CopyAreaCookie.Check()
 func CopyAreaChecked(c *xgb.Conn, SrcDrawable Drawable, DstDrawable Drawable, Gc Gcontext, SrcX int16, SrcY int16, DstX int16, DstY int16, Width uint16, Height uint16) CopyAreaCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(copyAreaRequest(c, SrcDrawable, DstDrawable, Gc, SrcX, SrcY, DstX, DstY, Width, Height), cookie)
 	return CopyAreaCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook CopyAreaCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for CopyArea
+// copyAreaRequest writes a CopyArea request to a byte slice.
 func copyAreaRequest(c *xgb.Conn, SrcDrawable Drawable, DstDrawable Drawable, Gc Gcontext, SrcX int16, SrcY int16, DstX int16, DstY int16, Width uint16, Height uint16) []byte {
 	size := 28
 	b := 0
@@ -10532,30 +10768,35 @@ func copyAreaRequest(c *xgb.Conn, SrcDrawable Drawable, DstDrawable Drawable, Gc
 	return buf
 }
 
-// Request CopyPlane
-// size: 32
+// CopyPlaneCookie is a cookie used only for CopyPlane requests.
 type CopyPlaneCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for CopyPlane
+// CopyPlane sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func CopyPlane(c *xgb.Conn, SrcDrawable Drawable, DstDrawable Drawable, Gc Gcontext, SrcX int16, SrcY int16, DstX int16, DstY int16, Width uint16, Height uint16, BitPlane uint32) CopyPlaneCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(copyPlaneRequest(c, SrcDrawable, DstDrawable, Gc, SrcX, SrcY, DstX, DstY, Width, Height, BitPlane), cookie)
 	return CopyPlaneCookie{cookie}
 }
 
+// CopyPlaneChecked sends a checked request.
+// If an error occurs, it can be retrieved using CopyPlaneCookie.Check()
 func CopyPlaneChecked(c *xgb.Conn, SrcDrawable Drawable, DstDrawable Drawable, Gc Gcontext, SrcX int16, SrcY int16, DstX int16, DstY int16, Width uint16, Height uint16, BitPlane uint32) CopyPlaneCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(copyPlaneRequest(c, SrcDrawable, DstDrawable, Gc, SrcX, SrcY, DstX, DstY, Width, Height, BitPlane), cookie)
 	return CopyPlaneCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook CopyPlaneCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for CopyPlane
+// copyPlaneRequest writes a CopyPlane request to a byte slice.
 func copyPlaneRequest(c *xgb.Conn, SrcDrawable Drawable, DstDrawable Drawable, Gc Gcontext, SrcX int16, SrcY int16, DstX int16, DstY int16, Width uint16, Height uint16, BitPlane uint32) []byte {
 	size := 32
 	b := 0
@@ -10602,30 +10843,35 @@ func copyPlaneRequest(c *xgb.Conn, SrcDrawable Drawable, DstDrawable Drawable, G
 	return buf
 }
 
-// Request PolyPoint
-// size: xgb.Pad((12 + xgb.Pad((len(Points) * 4))))
+// PolyPointCookie is a cookie used only for PolyPoint requests.
 type PolyPointCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for PolyPoint
+// PolyPoint sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func PolyPoint(c *xgb.Conn, CoordinateMode byte, Drawable Drawable, Gc Gcontext, Points []Point) PolyPointCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(polyPointRequest(c, CoordinateMode, Drawable, Gc, Points), cookie)
 	return PolyPointCookie{cookie}
 }
 
+// PolyPointChecked sends a checked request.
+// If an error occurs, it can be retrieved using PolyPointCookie.Check()
 func PolyPointChecked(c *xgb.Conn, CoordinateMode byte, Drawable Drawable, Gc Gcontext, Points []Point) PolyPointCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(polyPointRequest(c, CoordinateMode, Drawable, Gc, Points), cookie)
 	return PolyPointCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook PolyPointCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for PolyPoint
+// polyPointRequest writes a PolyPoint request to a byte slice.
 func polyPointRequest(c *xgb.Conn, CoordinateMode byte, Drawable Drawable, Gc Gcontext, Points []Point) []byte {
 	size := xgb.Pad((12 + xgb.Pad((len(Points) * 4))))
 	b := 0
@@ -10651,30 +10897,35 @@ func polyPointRequest(c *xgb.Conn, CoordinateMode byte, Drawable Drawable, Gc Gc
 	return buf
 }
 
-// Request PolyLine
-// size: xgb.Pad((12 + xgb.Pad((len(Points) * 4))))
+// PolyLineCookie is a cookie used only for PolyLine requests.
 type PolyLineCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for PolyLine
+// PolyLine sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func PolyLine(c *xgb.Conn, CoordinateMode byte, Drawable Drawable, Gc Gcontext, Points []Point) PolyLineCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(polyLineRequest(c, CoordinateMode, Drawable, Gc, Points), cookie)
 	return PolyLineCookie{cookie}
 }
 
+// PolyLineChecked sends a checked request.
+// If an error occurs, it can be retrieved using PolyLineCookie.Check()
 func PolyLineChecked(c *xgb.Conn, CoordinateMode byte, Drawable Drawable, Gc Gcontext, Points []Point) PolyLineCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(polyLineRequest(c, CoordinateMode, Drawable, Gc, Points), cookie)
 	return PolyLineCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook PolyLineCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for PolyLine
+// polyLineRequest writes a PolyLine request to a byte slice.
 func polyLineRequest(c *xgb.Conn, CoordinateMode byte, Drawable Drawable, Gc Gcontext, Points []Point) []byte {
 	size := xgb.Pad((12 + xgb.Pad((len(Points) * 4))))
 	b := 0
@@ -10700,30 +10951,35 @@ func polyLineRequest(c *xgb.Conn, CoordinateMode byte, Drawable Drawable, Gc Gco
 	return buf
 }
 
-// Request PolySegment
-// size: xgb.Pad((12 + xgb.Pad((len(Segments) * 8))))
+// PolySegmentCookie is a cookie used only for PolySegment requests.
 type PolySegmentCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for PolySegment
+// PolySegment sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func PolySegment(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Segments []Segment) PolySegmentCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(polySegmentRequest(c, Drawable, Gc, Segments), cookie)
 	return PolySegmentCookie{cookie}
 }
 
+// PolySegmentChecked sends a checked request.
+// If an error occurs, it can be retrieved using PolySegmentCookie.Check()
 func PolySegmentChecked(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Segments []Segment) PolySegmentCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(polySegmentRequest(c, Drawable, Gc, Segments), cookie)
 	return PolySegmentCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook PolySegmentCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for PolySegment
+// polySegmentRequest writes a PolySegment request to a byte slice.
 func polySegmentRequest(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Segments []Segment) []byte {
 	size := xgb.Pad((12 + xgb.Pad((len(Segments) * 8))))
 	b := 0
@@ -10748,30 +11004,35 @@ func polySegmentRequest(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Segments []
 	return buf
 }
 
-// Request PolyRectangle
-// size: xgb.Pad((12 + xgb.Pad((len(Rectangles) * 8))))
+// PolyRectangleCookie is a cookie used only for PolyRectangle requests.
 type PolyRectangleCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for PolyRectangle
+// PolyRectangle sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func PolyRectangle(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Rectangles []Rectangle) PolyRectangleCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(polyRectangleRequest(c, Drawable, Gc, Rectangles), cookie)
 	return PolyRectangleCookie{cookie}
 }
 
+// PolyRectangleChecked sends a checked request.
+// If an error occurs, it can be retrieved using PolyRectangleCookie.Check()
 func PolyRectangleChecked(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Rectangles []Rectangle) PolyRectangleCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(polyRectangleRequest(c, Drawable, Gc, Rectangles), cookie)
 	return PolyRectangleCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook PolyRectangleCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for PolyRectangle
+// polyRectangleRequest writes a PolyRectangle request to a byte slice.
 func polyRectangleRequest(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Rectangles []Rectangle) []byte {
 	size := xgb.Pad((12 + xgb.Pad((len(Rectangles) * 8))))
 	b := 0
@@ -10796,30 +11057,35 @@ func polyRectangleRequest(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Rectangle
 	return buf
 }
 
-// Request PolyArc
-// size: xgb.Pad((12 + xgb.Pad((len(Arcs) * 12))))
+// PolyArcCookie is a cookie used only for PolyArc requests.
 type PolyArcCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for PolyArc
+// PolyArc sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func PolyArc(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Arcs []Arc) PolyArcCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(polyArcRequest(c, Drawable, Gc, Arcs), cookie)
 	return PolyArcCookie{cookie}
 }
 
+// PolyArcChecked sends a checked request.
+// If an error occurs, it can be retrieved using PolyArcCookie.Check()
 func PolyArcChecked(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Arcs []Arc) PolyArcCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(polyArcRequest(c, Drawable, Gc, Arcs), cookie)
 	return PolyArcCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook PolyArcCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for PolyArc
+// polyArcRequest writes a PolyArc request to a byte slice.
 func polyArcRequest(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Arcs []Arc) []byte {
 	size := xgb.Pad((12 + xgb.Pad((len(Arcs) * 12))))
 	b := 0
@@ -10844,30 +11110,35 @@ func polyArcRequest(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Arcs []Arc) []b
 	return buf
 }
 
-// Request FillPoly
-// size: xgb.Pad((16 + xgb.Pad((len(Points) * 4))))
+// FillPolyCookie is a cookie used only for FillPoly requests.
 type FillPolyCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for FillPoly
+// FillPoly sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func FillPoly(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Shape byte, CoordinateMode byte, Points []Point) FillPolyCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(fillPolyRequest(c, Drawable, Gc, Shape, CoordinateMode, Points), cookie)
 	return FillPolyCookie{cookie}
 }
 
+// FillPolyChecked sends a checked request.
+// If an error occurs, it can be retrieved using FillPolyCookie.Check()
 func FillPolyChecked(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Shape byte, CoordinateMode byte, Points []Point) FillPolyCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(fillPolyRequest(c, Drawable, Gc, Shape, CoordinateMode, Points), cookie)
 	return FillPolyCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook FillPolyCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for FillPoly
+// fillPolyRequest writes a FillPoly request to a byte slice.
 func fillPolyRequest(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Shape byte, CoordinateMode byte, Points []Point) []byte {
 	size := xgb.Pad((16 + xgb.Pad((len(Points) * 4))))
 	b := 0
@@ -10900,30 +11171,35 @@ func fillPolyRequest(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Shape byte, Co
 	return buf
 }
 
-// Request PolyFillRectangle
-// size: xgb.Pad((12 + xgb.Pad((len(Rectangles) * 8))))
+// PolyFillRectangleCookie is a cookie used only for PolyFillRectangle requests.
 type PolyFillRectangleCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for PolyFillRectangle
+// PolyFillRectangle sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func PolyFillRectangle(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Rectangles []Rectangle) PolyFillRectangleCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(polyFillRectangleRequest(c, Drawable, Gc, Rectangles), cookie)
 	return PolyFillRectangleCookie{cookie}
 }
 
+// PolyFillRectangleChecked sends a checked request.
+// If an error occurs, it can be retrieved using PolyFillRectangleCookie.Check()
 func PolyFillRectangleChecked(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Rectangles []Rectangle) PolyFillRectangleCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(polyFillRectangleRequest(c, Drawable, Gc, Rectangles), cookie)
 	return PolyFillRectangleCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook PolyFillRectangleCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for PolyFillRectangle
+// polyFillRectangleRequest writes a PolyFillRectangle request to a byte slice.
 func polyFillRectangleRequest(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Rectangles []Rectangle) []byte {
 	size := xgb.Pad((12 + xgb.Pad((len(Rectangles) * 8))))
 	b := 0
@@ -10948,30 +11224,35 @@ func polyFillRectangleRequest(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Recta
 	return buf
 }
 
-// Request PolyFillArc
-// size: xgb.Pad((12 + xgb.Pad((len(Arcs) * 12))))
+// PolyFillArcCookie is a cookie used only for PolyFillArc requests.
 type PolyFillArcCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for PolyFillArc
+// PolyFillArc sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func PolyFillArc(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Arcs []Arc) PolyFillArcCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(polyFillArcRequest(c, Drawable, Gc, Arcs), cookie)
 	return PolyFillArcCookie{cookie}
 }
 
+// PolyFillArcChecked sends a checked request.
+// If an error occurs, it can be retrieved using PolyFillArcCookie.Check()
 func PolyFillArcChecked(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Arcs []Arc) PolyFillArcCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(polyFillArcRequest(c, Drawable, Gc, Arcs), cookie)
 	return PolyFillArcCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook PolyFillArcCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for PolyFillArc
+// polyFillArcRequest writes a PolyFillArc request to a byte slice.
 func polyFillArcRequest(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Arcs []Arc) []byte {
 	size := xgb.Pad((12 + xgb.Pad((len(Arcs) * 12))))
 	b := 0
@@ -10996,30 +11277,35 @@ func polyFillArcRequest(c *xgb.Conn, Drawable Drawable, Gc Gcontext, Arcs []Arc)
 	return buf
 }
 
-// Request PutImage
-// size: xgb.Pad((24 + xgb.Pad((len(Data) * 1))))
+// PutImageCookie is a cookie used only for PutImage requests.
 type PutImageCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for PutImage
+// PutImage sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func PutImage(c *xgb.Conn, Format byte, Drawable Drawable, Gc Gcontext, Width uint16, Height uint16, DstX int16, DstY int16, LeftPad byte, Depth byte, Data []byte) PutImageCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(putImageRequest(c, Format, Drawable, Gc, Width, Height, DstX, DstY, LeftPad, Depth, Data), cookie)
 	return PutImageCookie{cookie}
 }
 
+// PutImageChecked sends a checked request.
+// If an error occurs, it can be retrieved using PutImageCookie.Check()
 func PutImageChecked(c *xgb.Conn, Format byte, Drawable Drawable, Gc Gcontext, Width uint16, Height uint16, DstX int16, DstY int16, LeftPad byte, Depth byte, Data []byte) PutImageCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(putImageRequest(c, Format, Drawable, Gc, Width, Height, DstX, DstY, LeftPad, Depth, Data), cookie)
 	return PutImageCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook PutImageCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for PutImage
+// putImageRequest writes a PutImage request to a byte slice.
 func putImageRequest(c *xgb.Conn, Format byte, Drawable Drawable, Gc Gcontext, Width uint16, Height uint16, DstX int16, DstY int16, LeftPad byte, Depth byte, Data []byte) []byte {
 	size := xgb.Pad((24 + xgb.Pad((len(Data) * 1))))
 	b := 0
@@ -11066,36 +11352,38 @@ func putImageRequest(c *xgb.Conn, Format byte, Drawable Drawable, Gc Gcontext, W
 	return buf
 }
 
-// Request GetImage
-// size: 20
+// GetImageCookie is a cookie used only for GetImage requests.
 type GetImageCookie struct {
 	*xgb.Cookie
 }
 
+// GetImage sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GetImageCookie.Reply()
 func GetImage(c *xgb.Conn, Format byte, Drawable Drawable, X int16, Y int16, Width uint16, Height uint16, PlaneMask uint32) GetImageCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getImageRequest(c, Format, Drawable, X, Y, Width, Height, PlaneMask), cookie)
 	return GetImageCookie{cookie}
 }
 
+// GetImageUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetImageUnchecked(c *xgb.Conn, Format byte, Drawable Drawable, X int16, Y int16, Width uint16, Height uint16, PlaneMask uint32) GetImageCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getImageRequest(c, Format, Drawable, X, Y, Width, Height, PlaneMask), cookie)
 	return GetImageCookie{cookie}
 }
 
-// Request reply for GetImage
-// size: (32 + xgb.Pad(((int(Length) * 4) * 1)))
+// GetImageReply represents the data returned from a GetImage request.
 type GetImageReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	Depth    byte
 	Visual   Visualid
 	// padding: 20 bytes
 	Data []byte // size: xgb.Pad(((int(Length) * 4) * 1))
 }
 
-// Waits and reads reply data from request GetImage
+// Reply blocks and returns the reply data for a GetImage request.
 func (cook GetImageCookie) Reply() (*GetImageReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -11107,7 +11395,7 @@ func (cook GetImageCookie) Reply() (*GetImageReply, error) {
 	return getImageReply(buf), nil
 }
 
-// Read reply into structure from buffer for GetImage
+// getImageReply reads a byte slice into a GetImageReply value.
 func getImageReply(buf []byte) *GetImageReply {
 	v := new(GetImageReply)
 	b := 1 // skip reply determinant
@@ -11134,6 +11422,7 @@ func getImageReply(buf []byte) *GetImageReply {
 }
 
 // Write request to wire for GetImage
+// getImageRequest writes a GetImage request to a byte slice.
 func getImageRequest(c *xgb.Conn, Format byte, Drawable Drawable, X int16, Y int16, Width uint16, Height uint16, PlaneMask uint32) []byte {
 	size := 20
 	b := 0
@@ -11169,30 +11458,35 @@ func getImageRequest(c *xgb.Conn, Format byte, Drawable Drawable, X int16, Y int
 	return buf
 }
 
-// Request PolyText8
-// size: xgb.Pad((16 + xgb.Pad((len(Items) * 1))))
+// PolyText8Cookie is a cookie used only for PolyText8 requests.
 type PolyText8Cookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for PolyText8
+// PolyText8 sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func PolyText8(c *xgb.Conn, Drawable Drawable, Gc Gcontext, X int16, Y int16, Items []byte) PolyText8Cookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(polyText8Request(c, Drawable, Gc, X, Y, Items), cookie)
 	return PolyText8Cookie{cookie}
 }
 
+// PolyText8Checked sends a checked request.
+// If an error occurs, it can be retrieved using PolyText8Cookie.Check()
 func PolyText8Checked(c *xgb.Conn, Drawable Drawable, Gc Gcontext, X int16, Y int16, Items []byte) PolyText8Cookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(polyText8Request(c, Drawable, Gc, X, Y, Items), cookie)
 	return PolyText8Cookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook PolyText8Cookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for PolyText8
+// polyText8Request writes a PolyText8 request to a byte slice.
 func polyText8Request(c *xgb.Conn, Drawable Drawable, Gc Gcontext, X int16, Y int16, Items []byte) []byte {
 	size := xgb.Pad((16 + xgb.Pad((len(Items) * 1))))
 	b := 0
@@ -11224,30 +11518,35 @@ func polyText8Request(c *xgb.Conn, Drawable Drawable, Gc Gcontext, X int16, Y in
 	return buf
 }
 
-// Request PolyText16
-// size: xgb.Pad((16 + xgb.Pad((len(Items) * 1))))
+// PolyText16Cookie is a cookie used only for PolyText16 requests.
 type PolyText16Cookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for PolyText16
+// PolyText16 sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func PolyText16(c *xgb.Conn, Drawable Drawable, Gc Gcontext, X int16, Y int16, Items []byte) PolyText16Cookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(polyText16Request(c, Drawable, Gc, X, Y, Items), cookie)
 	return PolyText16Cookie{cookie}
 }
 
+// PolyText16Checked sends a checked request.
+// If an error occurs, it can be retrieved using PolyText16Cookie.Check()
 func PolyText16Checked(c *xgb.Conn, Drawable Drawable, Gc Gcontext, X int16, Y int16, Items []byte) PolyText16Cookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(polyText16Request(c, Drawable, Gc, X, Y, Items), cookie)
 	return PolyText16Cookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook PolyText16Cookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for PolyText16
+// polyText16Request writes a PolyText16 request to a byte slice.
 func polyText16Request(c *xgb.Conn, Drawable Drawable, Gc Gcontext, X int16, Y int16, Items []byte) []byte {
 	size := xgb.Pad((16 + xgb.Pad((len(Items) * 1))))
 	b := 0
@@ -11279,30 +11578,35 @@ func polyText16Request(c *xgb.Conn, Drawable Drawable, Gc Gcontext, X int16, Y i
 	return buf
 }
 
-// Request ImageText8
-// size: xgb.Pad((16 + xgb.Pad((int(StringLen) * 1))))
+// ImageText8Cookie is a cookie used only for ImageText8 requests.
 type ImageText8Cookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for ImageText8
+// ImageText8 sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ImageText8(c *xgb.Conn, StringLen byte, Drawable Drawable, Gc Gcontext, X int16, Y int16, String string) ImageText8Cookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(imageText8Request(c, StringLen, Drawable, Gc, X, Y, String), cookie)
 	return ImageText8Cookie{cookie}
 }
 
+// ImageText8Checked sends a checked request.
+// If an error occurs, it can be retrieved using ImageText8Cookie.Check()
 func ImageText8Checked(c *xgb.Conn, StringLen byte, Drawable Drawable, Gc Gcontext, X int16, Y int16, String string) ImageText8Cookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(imageText8Request(c, StringLen, Drawable, Gc, X, Y, String), cookie)
 	return ImageText8Cookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook ImageText8Cookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for ImageText8
+// imageText8Request writes a ImageText8 request to a byte slice.
 func imageText8Request(c *xgb.Conn, StringLen byte, Drawable Drawable, Gc Gcontext, X int16, Y int16, String string) []byte {
 	size := xgb.Pad((16 + xgb.Pad((int(StringLen) * 1))))
 	b := 0
@@ -11335,30 +11639,35 @@ func imageText8Request(c *xgb.Conn, StringLen byte, Drawable Drawable, Gc Gconte
 	return buf
 }
 
-// Request ImageText16
-// size: xgb.Pad((16 + xgb.Pad((int(StringLen) * 2))))
+// ImageText16Cookie is a cookie used only for ImageText16 requests.
 type ImageText16Cookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for ImageText16
+// ImageText16 sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ImageText16(c *xgb.Conn, StringLen byte, Drawable Drawable, Gc Gcontext, X int16, Y int16, String []Char2b) ImageText16Cookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(imageText16Request(c, StringLen, Drawable, Gc, X, Y, String), cookie)
 	return ImageText16Cookie{cookie}
 }
 
+// ImageText16Checked sends a checked request.
+// If an error occurs, it can be retrieved using ImageText16Cookie.Check()
 func ImageText16Checked(c *xgb.Conn, StringLen byte, Drawable Drawable, Gc Gcontext, X int16, Y int16, String []Char2b) ImageText16Cookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(imageText16Request(c, StringLen, Drawable, Gc, X, Y, String), cookie)
 	return ImageText16Cookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook ImageText16Cookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for ImageText16
+// imageText16Request writes a ImageText16 request to a byte slice.
 func imageText16Request(c *xgb.Conn, StringLen byte, Drawable Drawable, Gc Gcontext, X int16, Y int16, String []Char2b) []byte {
 	size := xgb.Pad((16 + xgb.Pad((int(StringLen) * 2))))
 	b := 0
@@ -11390,30 +11699,35 @@ func imageText16Request(c *xgb.Conn, StringLen byte, Drawable Drawable, Gc Gcont
 	return buf
 }
 
-// Request CreateColormap
-// size: 16
+// CreateColormapCookie is a cookie used only for CreateColormap requests.
 type CreateColormapCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for CreateColormap
+// CreateColormap sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func CreateColormap(c *xgb.Conn, Alloc byte, Mid Colormap, Window Window, Visual Visualid) CreateColormapCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(createColormapRequest(c, Alloc, Mid, Window, Visual), cookie)
 	return CreateColormapCookie{cookie}
 }
 
+// CreateColormapChecked sends a checked request.
+// If an error occurs, it can be retrieved using CreateColormapCookie.Check()
 func CreateColormapChecked(c *xgb.Conn, Alloc byte, Mid Colormap, Window Window, Visual Visualid) CreateColormapCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(createColormapRequest(c, Alloc, Mid, Window, Visual), cookie)
 	return CreateColormapCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook CreateColormapCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for CreateColormap
+// createColormapRequest writes a CreateColormap request to a byte slice.
 func createColormapRequest(c *xgb.Conn, Alloc byte, Mid Colormap, Window Window, Visual Visualid) []byte {
 	size := 16
 	b := 0
@@ -11440,30 +11754,35 @@ func createColormapRequest(c *xgb.Conn, Alloc byte, Mid Colormap, Window Window,
 	return buf
 }
 
-// Request FreeColormap
-// size: 8
+// FreeColormapCookie is a cookie used only for FreeColormap requests.
 type FreeColormapCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for FreeColormap
+// FreeColormap sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func FreeColormap(c *xgb.Conn, Cmap Colormap) FreeColormapCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(freeColormapRequest(c, Cmap), cookie)
 	return FreeColormapCookie{cookie}
 }
 
+// FreeColormapChecked sends a checked request.
+// If an error occurs, it can be retrieved using FreeColormapCookie.Check()
 func FreeColormapChecked(c *xgb.Conn, Cmap Colormap) FreeColormapCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(freeColormapRequest(c, Cmap), cookie)
 	return FreeColormapCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook FreeColormapCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for FreeColormap
+// freeColormapRequest writes a FreeColormap request to a byte slice.
 func freeColormapRequest(c *xgb.Conn, Cmap Colormap) []byte {
 	size := 8
 	b := 0
@@ -11483,30 +11802,35 @@ func freeColormapRequest(c *xgb.Conn, Cmap Colormap) []byte {
 	return buf
 }
 
-// Request CopyColormapAndFree
-// size: 12
+// CopyColormapAndFreeCookie is a cookie used only for CopyColormapAndFree requests.
 type CopyColormapAndFreeCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for CopyColormapAndFree
+// CopyColormapAndFree sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func CopyColormapAndFree(c *xgb.Conn, Mid Colormap, SrcCmap Colormap) CopyColormapAndFreeCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(copyColormapAndFreeRequest(c, Mid, SrcCmap), cookie)
 	return CopyColormapAndFreeCookie{cookie}
 }
 
+// CopyColormapAndFreeChecked sends a checked request.
+// If an error occurs, it can be retrieved using CopyColormapAndFreeCookie.Check()
 func CopyColormapAndFreeChecked(c *xgb.Conn, Mid Colormap, SrcCmap Colormap) CopyColormapAndFreeCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(copyColormapAndFreeRequest(c, Mid, SrcCmap), cookie)
 	return CopyColormapAndFreeCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook CopyColormapAndFreeCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for CopyColormapAndFree
+// copyColormapAndFreeRequest writes a CopyColormapAndFree request to a byte slice.
 func copyColormapAndFreeRequest(c *xgb.Conn, Mid Colormap, SrcCmap Colormap) []byte {
 	size := 12
 	b := 0
@@ -11529,30 +11853,35 @@ func copyColormapAndFreeRequest(c *xgb.Conn, Mid Colormap, SrcCmap Colormap) []b
 	return buf
 }
 
-// Request InstallColormap
-// size: 8
+// InstallColormapCookie is a cookie used only for InstallColormap requests.
 type InstallColormapCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for InstallColormap
+// InstallColormap sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func InstallColormap(c *xgb.Conn, Cmap Colormap) InstallColormapCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(installColormapRequest(c, Cmap), cookie)
 	return InstallColormapCookie{cookie}
 }
 
+// InstallColormapChecked sends a checked request.
+// If an error occurs, it can be retrieved using InstallColormapCookie.Check()
 func InstallColormapChecked(c *xgb.Conn, Cmap Colormap) InstallColormapCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(installColormapRequest(c, Cmap), cookie)
 	return InstallColormapCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook InstallColormapCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for InstallColormap
+// installColormapRequest writes a InstallColormap request to a byte slice.
 func installColormapRequest(c *xgb.Conn, Cmap Colormap) []byte {
 	size := 8
 	b := 0
@@ -11572,30 +11901,35 @@ func installColormapRequest(c *xgb.Conn, Cmap Colormap) []byte {
 	return buf
 }
 
-// Request UninstallColormap
-// size: 8
+// UninstallColormapCookie is a cookie used only for UninstallColormap requests.
 type UninstallColormapCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for UninstallColormap
+// UninstallColormap sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func UninstallColormap(c *xgb.Conn, Cmap Colormap) UninstallColormapCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(uninstallColormapRequest(c, Cmap), cookie)
 	return UninstallColormapCookie{cookie}
 }
 
+// UninstallColormapChecked sends a checked request.
+// If an error occurs, it can be retrieved using UninstallColormapCookie.Check()
 func UninstallColormapChecked(c *xgb.Conn, Cmap Colormap) UninstallColormapCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(uninstallColormapRequest(c, Cmap), cookie)
 	return UninstallColormapCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook UninstallColormapCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for UninstallColormap
+// uninstallColormapRequest writes a UninstallColormap request to a byte slice.
 func uninstallColormapRequest(c *xgb.Conn, Cmap Colormap) []byte {
 	size := 8
 	b := 0
@@ -11615,36 +11949,38 @@ func uninstallColormapRequest(c *xgb.Conn, Cmap Colormap) []byte {
 	return buf
 }
 
-// Request ListInstalledColormaps
-// size: 8
+// ListInstalledColormapsCookie is a cookie used only for ListInstalledColormaps requests.
 type ListInstalledColormapsCookie struct {
 	*xgb.Cookie
 }
 
+// ListInstalledColormaps sends a checked request.
+// If an error occurs, it will be returned with the reply by calling ListInstalledColormapsCookie.Reply()
 func ListInstalledColormaps(c *xgb.Conn, Window Window) ListInstalledColormapsCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(listInstalledColormapsRequest(c, Window), cookie)
 	return ListInstalledColormapsCookie{cookie}
 }
 
+// ListInstalledColormapsUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ListInstalledColormapsUnchecked(c *xgb.Conn, Window Window) ListInstalledColormapsCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(listInstalledColormapsRequest(c, Window), cookie)
 	return ListInstalledColormapsCookie{cookie}
 }
 
-// Request reply for ListInstalledColormaps
-// size: (32 + xgb.Pad((int(CmapsLen) * 4)))
+// ListInstalledColormapsReply represents the data returned from a ListInstalledColormaps request.
 type ListInstalledColormapsReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	CmapsLen uint16
 	// padding: 22 bytes
 	Cmaps []Colormap // size: xgb.Pad((int(CmapsLen) * 4))
 }
 
-// Waits and reads reply data from request ListInstalledColormaps
+// Reply blocks and returns the reply data for a ListInstalledColormaps request.
 func (cook ListInstalledColormapsCookie) Reply() (*ListInstalledColormapsReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -11656,7 +11992,7 @@ func (cook ListInstalledColormapsCookie) Reply() (*ListInstalledColormapsReply,
 	return listInstalledColormapsReply(buf), nil
 }
 
-// Read reply into structure from buffer for ListInstalledColormaps
+// listInstalledColormapsReply reads a byte slice into a ListInstalledColormapsReply value.
 func listInstalledColormapsReply(buf []byte) *ListInstalledColormapsReply {
 	v := new(ListInstalledColormapsReply)
 	b := 1 // skip reply determinant
@@ -11685,6 +12021,7 @@ func listInstalledColormapsReply(buf []byte) *ListInstalledColormapsReply {
 }
 
 // Write request to wire for ListInstalledColormaps
+// listInstalledColormapsRequest writes a ListInstalledColormaps request to a byte slice.
 func listInstalledColormapsRequest(c *xgb.Conn, Window Window) []byte {
 	size := 8
 	b := 0
@@ -11704,29 +12041,31 @@ func listInstalledColormapsRequest(c *xgb.Conn, Window Window) []byte {
 	return buf
 }
 
-// Request AllocColor
-// size: 16
+// AllocColorCookie is a cookie used only for AllocColor requests.
 type AllocColorCookie struct {
 	*xgb.Cookie
 }
 
+// AllocColor sends a checked request.
+// If an error occurs, it will be returned with the reply by calling AllocColorCookie.Reply()
 func AllocColor(c *xgb.Conn, Cmap Colormap, Red uint16, Green uint16, Blue uint16) AllocColorCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(allocColorRequest(c, Cmap, Red, Green, Blue), cookie)
 	return AllocColorCookie{cookie}
 }
 
+// AllocColorUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func AllocColorUnchecked(c *xgb.Conn, Cmap Colormap, Red uint16, Green uint16, Blue uint16) AllocColorCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(allocColorRequest(c, Cmap, Red, Green, Blue), cookie)
 	return AllocColorCookie{cookie}
 }
 
-// Request reply for AllocColor
-// size: 20
+// AllocColorReply represents the data returned from a AllocColor request.
 type AllocColorReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	Red   uint16
 	Green uint16
@@ -11735,7 +12074,7 @@ type AllocColorReply struct {
 	Pixel uint32
 }
 
-// Waits and reads reply data from request AllocColor
+// Reply blocks and returns the reply data for a AllocColor request.
 func (cook AllocColorCookie) Reply() (*AllocColorReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -11747,7 +12086,7 @@ func (cook AllocColorCookie) Reply() (*AllocColorReply, error) {
 	return allocColorReply(buf), nil
 }
 
-// Read reply into structure from buffer for AllocColor
+// allocColorReply reads a byte slice into a AllocColorReply value.
 func allocColorReply(buf []byte) *AllocColorReply {
 	v := new(AllocColorReply)
 	b := 1 // skip reply determinant
@@ -11778,6 +12117,7 @@ func allocColorReply(buf []byte) *AllocColorReply {
 }
 
 // Write request to wire for AllocColor
+// allocColorRequest writes a AllocColor request to a byte slice.
 func allocColorRequest(c *xgb.Conn, Cmap Colormap, Red uint16, Green uint16, Blue uint16) []byte {
 	size := 16
 	b := 0
@@ -11808,29 +12148,31 @@ func allocColorRequest(c *xgb.Conn, Cmap Colormap, Red uint16, Green uint16, Blu
 	return buf
 }
 
-// Request AllocNamedColor
-// size: xgb.Pad((12 + xgb.Pad((int(NameLen) * 1))))
+// AllocNamedColorCookie is a cookie used only for AllocNamedColor requests.
 type AllocNamedColorCookie struct {
 	*xgb.Cookie
 }
 
+// AllocNamedColor sends a checked request.
+// If an error occurs, it will be returned with the reply by calling AllocNamedColorCookie.Reply()
 func AllocNamedColor(c *xgb.Conn, Cmap Colormap, NameLen uint16, Name string) AllocNamedColorCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(allocNamedColorRequest(c, Cmap, NameLen, Name), cookie)
 	return AllocNamedColorCookie{cookie}
 }
 
+// AllocNamedColorUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func AllocNamedColorUnchecked(c *xgb.Conn, Cmap Colormap, NameLen uint16, Name string) AllocNamedColorCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(allocNamedColorRequest(c, Cmap, NameLen, Name), cookie)
 	return AllocNamedColorCookie{cookie}
 }
 
-// Request reply for AllocNamedColor
-// size: 24
+// AllocNamedColorReply represents the data returned from a AllocNamedColor request.
 type AllocNamedColorReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	Pixel       uint32
 	ExactRed    uint16
@@ -11841,7 +12183,7 @@ type AllocNamedColorReply struct {
 	VisualBlue  uint16
 }
 
-// Waits and reads reply data from request AllocNamedColor
+// Reply blocks and returns the reply data for a AllocNamedColor request.
 func (cook AllocNamedColorCookie) Reply() (*AllocNamedColorReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -11853,7 +12195,7 @@ func (cook AllocNamedColorCookie) Reply() (*AllocNamedColorReply, error) {
 	return allocNamedColorReply(buf), nil
 }
 
-// Read reply into structure from buffer for AllocNamedColor
+// allocNamedColorReply reads a byte slice into a AllocNamedColorReply value.
 func allocNamedColorReply(buf []byte) *AllocNamedColorReply {
 	v := new(AllocNamedColorReply)
 	b := 1 // skip reply determinant
@@ -11891,6 +12233,7 @@ func allocNamedColorReply(buf []byte) *AllocNamedColorReply {
 }
 
 // Write request to wire for AllocNamedColor
+// allocNamedColorRequest writes a AllocNamedColor request to a byte slice.
 func allocNamedColorRequest(c *xgb.Conn, Cmap Colormap, NameLen uint16, Name string) []byte {
 	size := xgb.Pad((12 + xgb.Pad((int(NameLen) * 1))))
 	b := 0
@@ -11918,29 +12261,31 @@ func allocNamedColorRequest(c *xgb.Conn, Cmap Colormap, NameLen uint16, Name str
 	return buf
 }
 
-// Request AllocColorCells
-// size: 12
+// AllocColorCellsCookie is a cookie used only for AllocColorCells requests.
 type AllocColorCellsCookie struct {
 	*xgb.Cookie
 }
 
+// AllocColorCells sends a checked request.
+// If an error occurs, it will be returned with the reply by calling AllocColorCellsCookie.Reply()
 func AllocColorCells(c *xgb.Conn, Contiguous bool, Cmap Colormap, Colors uint16, Planes uint16) AllocColorCellsCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(allocColorCellsRequest(c, Contiguous, Cmap, Colors, Planes), cookie)
 	return AllocColorCellsCookie{cookie}
 }
 
+// AllocColorCellsUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func AllocColorCellsUnchecked(c *xgb.Conn, Contiguous bool, Cmap Colormap, Colors uint16, Planes uint16) AllocColorCellsCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(allocColorCellsRequest(c, Contiguous, Cmap, Colors, Planes), cookie)
 	return AllocColorCellsCookie{cookie}
 }
 
-// Request reply for AllocColorCells
-// size: ((32 + xgb.Pad((int(PixelsLen) * 4))) + xgb.Pad((int(MasksLen) * 4)))
+// AllocColorCellsReply represents the data returned from a AllocColorCells request.
 type AllocColorCellsReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	PixelsLen uint16
 	MasksLen  uint16
@@ -11949,7 +12294,7 @@ type AllocColorCellsReply struct {
 	Masks  []uint32 // size: xgb.Pad((int(MasksLen) * 4))
 }
 
-// Waits and reads reply data from request AllocColorCells
+// Reply blocks and returns the reply data for a AllocColorCells request.
 func (cook AllocColorCellsCookie) Reply() (*AllocColorCellsReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -11961,7 +12306,7 @@ func (cook AllocColorCellsCookie) Reply() (*AllocColorCellsReply, error) {
 	return allocColorCellsReply(buf), nil
 }
 
-// Read reply into structure from buffer for AllocColorCells
+// allocColorCellsReply reads a byte slice into a AllocColorCellsReply value.
 func allocColorCellsReply(buf []byte) *AllocColorCellsReply {
 	v := new(AllocColorCellsReply)
 	b := 1 // skip reply determinant
@@ -12000,6 +12345,7 @@ func allocColorCellsReply(buf []byte) *AllocColorCellsReply {
 }
 
 // Write request to wire for AllocColorCells
+// allocColorCellsRequest writes a AllocColorCells request to a byte slice.
 func allocColorCellsRequest(c *xgb.Conn, Contiguous bool, Cmap Colormap, Colors uint16, Planes uint16) []byte {
 	size := 12
 	b := 0
@@ -12030,29 +12376,31 @@ func allocColorCellsRequest(c *xgb.Conn, Contiguous bool, Cmap Colormap, Colors
 	return buf
 }
 
-// Request AllocColorPlanes
-// size: 16
+// AllocColorPlanesCookie is a cookie used only for AllocColorPlanes requests.
 type AllocColorPlanesCookie struct {
 	*xgb.Cookie
 }
 
+// AllocColorPlanes sends a checked request.
+// If an error occurs, it will be returned with the reply by calling AllocColorPlanesCookie.Reply()
 func AllocColorPlanes(c *xgb.Conn, Contiguous bool, Cmap Colormap, Colors uint16, Reds uint16, Greens uint16, Blues uint16) AllocColorPlanesCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(allocColorPlanesRequest(c, Contiguous, Cmap, Colors, Reds, Greens, Blues), cookie)
 	return AllocColorPlanesCookie{cookie}
 }
 
+// AllocColorPlanesUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func AllocColorPlanesUnchecked(c *xgb.Conn, Contiguous bool, Cmap Colormap, Colors uint16, Reds uint16, Greens uint16, Blues uint16) AllocColorPlanesCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(allocColorPlanesRequest(c, Contiguous, Cmap, Colors, Reds, Greens, Blues), cookie)
 	return AllocColorPlanesCookie{cookie}
 }
 
-// Request reply for AllocColorPlanes
-// size: (32 + xgb.Pad((int(PixelsLen) * 4)))
+// AllocColorPlanesReply represents the data returned from a AllocColorPlanes request.
 type AllocColorPlanesReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	PixelsLen uint16
 	// padding: 2 bytes
@@ -12063,7 +12411,7 @@ type AllocColorPlanesReply struct {
 	Pixels []uint32 // size: xgb.Pad((int(PixelsLen) * 4))
 }
 
-// Waits and reads reply data from request AllocColorPlanes
+// Reply blocks and returns the reply data for a AllocColorPlanes request.
 func (cook AllocColorPlanesCookie) Reply() (*AllocColorPlanesReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -12075,7 +12423,7 @@ func (cook AllocColorPlanesCookie) Reply() (*AllocColorPlanesReply, error) {
 	return allocColorPlanesReply(buf), nil
 }
 
-// Read reply into structure from buffer for AllocColorPlanes
+// allocColorPlanesReply reads a byte slice into a AllocColorPlanesReply value.
 func allocColorPlanesReply(buf []byte) *AllocColorPlanesReply {
 	v := new(AllocColorPlanesReply)
 	b := 1 // skip reply determinant
@@ -12115,6 +12463,7 @@ func allocColorPlanesReply(buf []byte) *AllocColorPlanesReply {
 }
 
 // Write request to wire for AllocColorPlanes
+// allocColorPlanesRequest writes a AllocColorPlanes request to a byte slice.
 func allocColorPlanesRequest(c *xgb.Conn, Contiguous bool, Cmap Colormap, Colors uint16, Reds uint16, Greens uint16, Blues uint16) []byte {
 	size := 16
 	b := 0
@@ -12151,30 +12500,35 @@ func allocColorPlanesRequest(c *xgb.Conn, Contiguous bool, Cmap Colormap, Colors
 	return buf
 }
 
-// Request FreeColors
-// size: xgb.Pad((12 + xgb.Pad((len(Pixels) * 4))))
+// FreeColorsCookie is a cookie used only for FreeColors requests.
 type FreeColorsCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for FreeColors
+// FreeColors sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func FreeColors(c *xgb.Conn, Cmap Colormap, PlaneMask uint32, Pixels []uint32) FreeColorsCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(freeColorsRequest(c, Cmap, PlaneMask, Pixels), cookie)
 	return FreeColorsCookie{cookie}
 }
 
+// FreeColorsChecked sends a checked request.
+// If an error occurs, it can be retrieved using FreeColorsCookie.Check()
 func FreeColorsChecked(c *xgb.Conn, Cmap Colormap, PlaneMask uint32, Pixels []uint32) FreeColorsCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(freeColorsRequest(c, Cmap, PlaneMask, Pixels), cookie)
 	return FreeColorsCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook FreeColorsCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for FreeColors
+// freeColorsRequest writes a FreeColors request to a byte slice.
 func freeColorsRequest(c *xgb.Conn, Cmap Colormap, PlaneMask uint32, Pixels []uint32) []byte {
 	size := xgb.Pad((12 + xgb.Pad((len(Pixels) * 4))))
 	b := 0
@@ -12203,30 +12557,35 @@ func freeColorsRequest(c *xgb.Conn, Cmap Colormap, PlaneMask uint32, Pixels []ui
 	return buf
 }
 
-// Request StoreColors
-// size: xgb.Pad((8 + xgb.Pad((len(Items) * 12))))
+// StoreColorsCookie is a cookie used only for StoreColors requests.
 type StoreColorsCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for StoreColors
+// StoreColors sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func StoreColors(c *xgb.Conn, Cmap Colormap, Items []Coloritem) StoreColorsCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(storeColorsRequest(c, Cmap, Items), cookie)
 	return StoreColorsCookie{cookie}
 }
 
+// StoreColorsChecked sends a checked request.
+// If an error occurs, it can be retrieved using StoreColorsCookie.Check()
 func StoreColorsChecked(c *xgb.Conn, Cmap Colormap, Items []Coloritem) StoreColorsCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(storeColorsRequest(c, Cmap, Items), cookie)
 	return StoreColorsCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook StoreColorsCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for StoreColors
+// storeColorsRequest writes a StoreColors request to a byte slice.
 func storeColorsRequest(c *xgb.Conn, Cmap Colormap, Items []Coloritem) []byte {
 	size := xgb.Pad((8 + xgb.Pad((len(Items) * 12))))
 	b := 0
@@ -12248,30 +12607,35 @@ func storeColorsRequest(c *xgb.Conn, Cmap Colormap, Items []Coloritem) []byte {
 	return buf
 }
 
-// Request StoreNamedColor
-// size: xgb.Pad((16 + xgb.Pad((int(NameLen) * 1))))
+// StoreNamedColorCookie is a cookie used only for StoreNamedColor requests.
 type StoreNamedColorCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for StoreNamedColor
+// StoreNamedColor sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func StoreNamedColor(c *xgb.Conn, Flags byte, Cmap Colormap, Pixel uint32, NameLen uint16, Name string) StoreNamedColorCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(storeNamedColorRequest(c, Flags, Cmap, Pixel, NameLen, Name), cookie)
 	return StoreNamedColorCookie{cookie}
 }
 
+// StoreNamedColorChecked sends a checked request.
+// If an error occurs, it can be retrieved using StoreNamedColorCookie.Check()
 func StoreNamedColorChecked(c *xgb.Conn, Flags byte, Cmap Colormap, Pixel uint32, NameLen uint16, Name string) StoreNamedColorCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(storeNamedColorRequest(c, Flags, Cmap, Pixel, NameLen, Name), cookie)
 	return StoreNamedColorCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook StoreNamedColorCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for StoreNamedColor
+// storeNamedColorRequest writes a StoreNamedColor request to a byte slice.
 func storeNamedColorRequest(c *xgb.Conn, Flags byte, Cmap Colormap, Pixel uint32, NameLen uint16, Name string) []byte {
 	size := xgb.Pad((16 + xgb.Pad((int(NameLen) * 1))))
 	b := 0
@@ -12303,36 +12667,38 @@ func storeNamedColorRequest(c *xgb.Conn, Flags byte, Cmap Colormap, Pixel uint32
 	return buf
 }
 
-// Request QueryColors
-// size: xgb.Pad((8 + xgb.Pad((len(Pixels) * 4))))
+// QueryColorsCookie is a cookie used only for QueryColors requests.
 type QueryColorsCookie struct {
 	*xgb.Cookie
 }
 
+// QueryColors sends a checked request.
+// If an error occurs, it will be returned with the reply by calling QueryColorsCookie.Reply()
 func QueryColors(c *xgb.Conn, Cmap Colormap, Pixels []uint32) QueryColorsCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(queryColorsRequest(c, Cmap, Pixels), cookie)
 	return QueryColorsCookie{cookie}
 }
 
+// QueryColorsUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func QueryColorsUnchecked(c *xgb.Conn, Cmap Colormap, Pixels []uint32) QueryColorsCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(queryColorsRequest(c, Cmap, Pixels), cookie)
 	return QueryColorsCookie{cookie}
 }
 
-// Request reply for QueryColors
-// size: (32 + xgb.Pad((int(ColorsLen) * 8)))
+// QueryColorsReply represents the data returned from a QueryColors request.
 type QueryColorsReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	ColorsLen uint16
 	// padding: 22 bytes
 	Colors []Rgb // size: xgb.Pad((int(ColorsLen) * 8))
 }
 
-// Waits and reads reply data from request QueryColors
+// Reply blocks and returns the reply data for a QueryColors request.
 func (cook QueryColorsCookie) Reply() (*QueryColorsReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -12344,7 +12710,7 @@ func (cook QueryColorsCookie) Reply() (*QueryColorsReply, error) {
 	return queryColorsReply(buf), nil
 }
 
-// Read reply into structure from buffer for QueryColors
+// queryColorsReply reads a byte slice into a QueryColorsReply value.
 func queryColorsReply(buf []byte) *QueryColorsReply {
 	v := new(QueryColorsReply)
 	b := 1 // skip reply determinant
@@ -12369,6 +12735,7 @@ func queryColorsReply(buf []byte) *QueryColorsReply {
 }
 
 // Write request to wire for QueryColors
+// queryColorsRequest writes a QueryColors request to a byte slice.
 func queryColorsRequest(c *xgb.Conn, Cmap Colormap, Pixels []uint32) []byte {
 	size := xgb.Pad((8 + xgb.Pad((len(Pixels) * 4))))
 	b := 0
@@ -12394,29 +12761,31 @@ func queryColorsRequest(c *xgb.Conn, Cmap Colormap, Pixels []uint32) []byte {
 	return buf
 }
 
-// Request LookupColor
-// size: xgb.Pad((12 + xgb.Pad((int(NameLen) * 1))))
+// LookupColorCookie is a cookie used only for LookupColor requests.
 type LookupColorCookie struct {
 	*xgb.Cookie
 }
 
+// LookupColor sends a checked request.
+// If an error occurs, it will be returned with the reply by calling LookupColorCookie.Reply()
 func LookupColor(c *xgb.Conn, Cmap Colormap, NameLen uint16, Name string) LookupColorCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(lookupColorRequest(c, Cmap, NameLen, Name), cookie)
 	return LookupColorCookie{cookie}
 }
 
+// LookupColorUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func LookupColorUnchecked(c *xgb.Conn, Cmap Colormap, NameLen uint16, Name string) LookupColorCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(lookupColorRequest(c, Cmap, NameLen, Name), cookie)
 	return LookupColorCookie{cookie}
 }
 
-// Request reply for LookupColor
-// size: 20
+// LookupColorReply represents the data returned from a LookupColor request.
 type LookupColorReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	ExactRed    uint16
 	ExactGreen  uint16
@@ -12426,7 +12795,7 @@ type LookupColorReply struct {
 	VisualBlue  uint16
 }
 
-// Waits and reads reply data from request LookupColor
+// Reply blocks and returns the reply data for a LookupColor request.
 func (cook LookupColorCookie) Reply() (*LookupColorReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -12438,7 +12807,7 @@ func (cook LookupColorCookie) Reply() (*LookupColorReply, error) {
 	return lookupColorReply(buf), nil
 }
 
-// Read reply into structure from buffer for LookupColor
+// lookupColorReply reads a byte slice into a LookupColorReply value.
 func lookupColorReply(buf []byte) *LookupColorReply {
 	v := new(LookupColorReply)
 	b := 1 // skip reply determinant
@@ -12473,6 +12842,7 @@ func lookupColorReply(buf []byte) *LookupColorReply {
 }
 
 // Write request to wire for LookupColor
+// lookupColorRequest writes a LookupColor request to a byte slice.
 func lookupColorRequest(c *xgb.Conn, Cmap Colormap, NameLen uint16, Name string) []byte {
 	size := xgb.Pad((12 + xgb.Pad((int(NameLen) * 1))))
 	b := 0
@@ -12500,30 +12870,35 @@ func lookupColorRequest(c *xgb.Conn, Cmap Colormap, NameLen uint16, Name string)
 	return buf
 }
 
-// Request CreateCursor
-// size: 32
+// CreateCursorCookie is a cookie used only for CreateCursor requests.
 type CreateCursorCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for CreateCursor
+// CreateCursor sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func CreateCursor(c *xgb.Conn, Cid Cursor, Source Pixmap, Mask Pixmap, ForeRed uint16, ForeGreen uint16, ForeBlue uint16, BackRed uint16, BackGreen uint16, BackBlue uint16, X uint16, Y uint16) CreateCursorCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(createCursorRequest(c, Cid, Source, Mask, ForeRed, ForeGreen, ForeBlue, BackRed, BackGreen, BackBlue, X, Y), cookie)
 	return CreateCursorCookie{cookie}
 }
 
+// CreateCursorChecked sends a checked request.
+// If an error occurs, it can be retrieved using CreateCursorCookie.Check()
 func CreateCursorChecked(c *xgb.Conn, Cid Cursor, Source Pixmap, Mask Pixmap, ForeRed uint16, ForeGreen uint16, ForeBlue uint16, BackRed uint16, BackGreen uint16, BackBlue uint16, X uint16, Y uint16) CreateCursorCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(createCursorRequest(c, Cid, Source, Mask, ForeRed, ForeGreen, ForeBlue, BackRed, BackGreen, BackBlue, X, Y), cookie)
 	return CreateCursorCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook CreateCursorCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for CreateCursor
+// createCursorRequest writes a CreateCursor request to a byte slice.
 func createCursorRequest(c *xgb.Conn, Cid Cursor, Source Pixmap, Mask Pixmap, ForeRed uint16, ForeGreen uint16, ForeBlue uint16, BackRed uint16, BackGreen uint16, BackBlue uint16, X uint16, Y uint16) []byte {
 	size := 32
 	b := 0
@@ -12573,30 +12948,35 @@ func createCursorRequest(c *xgb.Conn, Cid Cursor, Source Pixmap, Mask Pixmap, Fo
 	return buf
 }
 
-// Request CreateGlyphCursor
-// size: 32
+// CreateGlyphCursorCookie is a cookie used only for CreateGlyphCursor requests.
 type CreateGlyphCursorCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for CreateGlyphCursor
+// CreateGlyphCursor sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func CreateGlyphCursor(c *xgb.Conn, Cid Cursor, SourceFont Font, MaskFont Font, SourceChar uint16, MaskChar uint16, ForeRed uint16, ForeGreen uint16, ForeBlue uint16, BackRed uint16, BackGreen uint16, BackBlue uint16) CreateGlyphCursorCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(createGlyphCursorRequest(c, Cid, SourceFont, MaskFont, SourceChar, MaskChar, ForeRed, ForeGreen, ForeBlue, BackRed, BackGreen, BackBlue), cookie)
 	return CreateGlyphCursorCookie{cookie}
 }
 
+// CreateGlyphCursorChecked sends a checked request.
+// If an error occurs, it can be retrieved using CreateGlyphCursorCookie.Check()
 func CreateGlyphCursorChecked(c *xgb.Conn, Cid Cursor, SourceFont Font, MaskFont Font, SourceChar uint16, MaskChar uint16, ForeRed uint16, ForeGreen uint16, ForeBlue uint16, BackRed uint16, BackGreen uint16, BackBlue uint16) CreateGlyphCursorCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(createGlyphCursorRequest(c, Cid, SourceFont, MaskFont, SourceChar, MaskChar, ForeRed, ForeGreen, ForeBlue, BackRed, BackGreen, BackBlue), cookie)
 	return CreateGlyphCursorCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook CreateGlyphCursorCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for CreateGlyphCursor
+// createGlyphCursorRequest writes a CreateGlyphCursor request to a byte slice.
 func createGlyphCursorRequest(c *xgb.Conn, Cid Cursor, SourceFont Font, MaskFont Font, SourceChar uint16, MaskChar uint16, ForeRed uint16, ForeGreen uint16, ForeBlue uint16, BackRed uint16, BackGreen uint16, BackBlue uint16) []byte {
 	size := 32
 	b := 0
@@ -12646,30 +13026,35 @@ func createGlyphCursorRequest(c *xgb.Conn, Cid Cursor, SourceFont Font, MaskFont
 	return buf
 }
 
-// Request FreeCursor
-// size: 8
+// FreeCursorCookie is a cookie used only for FreeCursor requests.
 type FreeCursorCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for FreeCursor
+// FreeCursor sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func FreeCursor(c *xgb.Conn, Cursor Cursor) FreeCursorCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(freeCursorRequest(c, Cursor), cookie)
 	return FreeCursorCookie{cookie}
 }
 
+// FreeCursorChecked sends a checked request.
+// If an error occurs, it can be retrieved using FreeCursorCookie.Check()
 func FreeCursorChecked(c *xgb.Conn, Cursor Cursor) FreeCursorCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(freeCursorRequest(c, Cursor), cookie)
 	return FreeCursorCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook FreeCursorCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for FreeCursor
+// freeCursorRequest writes a FreeCursor request to a byte slice.
 func freeCursorRequest(c *xgb.Conn, Cursor Cursor) []byte {
 	size := 8
 	b := 0
@@ -12689,30 +13074,35 @@ func freeCursorRequest(c *xgb.Conn, Cursor Cursor) []byte {
 	return buf
 }
 
-// Request RecolorCursor
-// size: 20
+// RecolorCursorCookie is a cookie used only for RecolorCursor requests.
 type RecolorCursorCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for RecolorCursor
+// RecolorCursor sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func RecolorCursor(c *xgb.Conn, Cursor Cursor, ForeRed uint16, ForeGreen uint16, ForeBlue uint16, BackRed uint16, BackGreen uint16, BackBlue uint16) RecolorCursorCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(recolorCursorRequest(c, Cursor, ForeRed, ForeGreen, ForeBlue, BackRed, BackGreen, BackBlue), cookie)
 	return RecolorCursorCookie{cookie}
 }
 
+// RecolorCursorChecked sends a checked request.
+// If an error occurs, it can be retrieved using RecolorCursorCookie.Check()
 func RecolorCursorChecked(c *xgb.Conn, Cursor Cursor, ForeRed uint16, ForeGreen uint16, ForeBlue uint16, BackRed uint16, BackGreen uint16, BackBlue uint16) RecolorCursorCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(recolorCursorRequest(c, Cursor, ForeRed, ForeGreen, ForeBlue, BackRed, BackGreen, BackBlue), cookie)
 	return RecolorCursorCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook RecolorCursorCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for RecolorCursor
+// recolorCursorRequest writes a RecolorCursor request to a byte slice.
 func recolorCursorRequest(c *xgb.Conn, Cursor Cursor, ForeRed uint16, ForeGreen uint16, ForeBlue uint16, BackRed uint16, BackGreen uint16, BackBlue uint16) []byte {
 	size := 20
 	b := 0
@@ -12750,35 +13140,37 @@ func recolorCursorRequest(c *xgb.Conn, Cursor Cursor, ForeRed uint16, ForeGreen
 	return buf
 }
 
-// Request QueryBestSize
-// size: 12
+// QueryBestSizeCookie is a cookie used only for QueryBestSize requests.
 type QueryBestSizeCookie struct {
 	*xgb.Cookie
 }
 
+// QueryBestSize sends a checked request.
+// If an error occurs, it will be returned with the reply by calling QueryBestSizeCookie.Reply()
 func QueryBestSize(c *xgb.Conn, Class byte, Drawable Drawable, Width uint16, Height uint16) QueryBestSizeCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(queryBestSizeRequest(c, Class, Drawable, Width, Height), cookie)
 	return QueryBestSizeCookie{cookie}
 }
 
+// QueryBestSizeUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func QueryBestSizeUnchecked(c *xgb.Conn, Class byte, Drawable Drawable, Width uint16, Height uint16) QueryBestSizeCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(queryBestSizeRequest(c, Class, Drawable, Width, Height), cookie)
 	return QueryBestSizeCookie{cookie}
 }
 
-// Request reply for QueryBestSize
-// size: 12
+// QueryBestSizeReply represents the data returned from a QueryBestSize request.
 type QueryBestSizeReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	Width  uint16
 	Height uint16
 }
 
-// Waits and reads reply data from request QueryBestSize
+// Reply blocks and returns the reply data for a QueryBestSize request.
 func (cook QueryBestSizeCookie) Reply() (*QueryBestSizeReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -12790,7 +13182,7 @@ func (cook QueryBestSizeCookie) Reply() (*QueryBestSizeReply, error) {
 	return queryBestSizeReply(buf), nil
 }
 
-// Read reply into structure from buffer for QueryBestSize
+// queryBestSizeReply reads a byte slice into a QueryBestSizeReply value.
 func queryBestSizeReply(buf []byte) *QueryBestSizeReply {
 	v := new(QueryBestSizeReply)
 	b := 1 // skip reply determinant
@@ -12813,6 +13205,7 @@ func queryBestSizeReply(buf []byte) *QueryBestSizeReply {
 }
 
 // Write request to wire for QueryBestSize
+// queryBestSizeRequest writes a QueryBestSize request to a byte slice.
 func queryBestSizeRequest(c *xgb.Conn, Class byte, Drawable Drawable, Width uint16, Height uint16) []byte {
 	size := 12
 	b := 0
@@ -12839,29 +13232,31 @@ func queryBestSizeRequest(c *xgb.Conn, Class byte, Drawable Drawable, Width uint
 	return buf
 }
 
-// Request QueryExtension
-// size: xgb.Pad((8 + xgb.Pad((int(NameLen) * 1))))
+// QueryExtensionCookie is a cookie used only for QueryExtension requests.
 type QueryExtensionCookie struct {
 	*xgb.Cookie
 }
 
+// QueryExtension sends a checked request.
+// If an error occurs, it will be returned with the reply by calling QueryExtensionCookie.Reply()
 func QueryExtension(c *xgb.Conn, NameLen uint16, Name string) QueryExtensionCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(queryExtensionRequest(c, NameLen, Name), cookie)
 	return QueryExtensionCookie{cookie}
 }
 
+// QueryExtensionUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func QueryExtensionUnchecked(c *xgb.Conn, NameLen uint16, Name string) QueryExtensionCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(queryExtensionRequest(c, NameLen, Name), cookie)
 	return QueryExtensionCookie{cookie}
 }
 
-// Request reply for QueryExtension
-// size: 12
+// QueryExtensionReply represents the data returned from a QueryExtension request.
 type QueryExtensionReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	Present     bool
 	MajorOpcode byte
@@ -12869,7 +13264,7 @@ type QueryExtensionReply struct {
 	FirstError  byte
 }
 
-// Waits and reads reply data from request QueryExtension
+// Reply blocks and returns the reply data for a QueryExtension request.
 func (cook QueryExtensionCookie) Reply() (*QueryExtensionReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -12881,7 +13276,7 @@ func (cook QueryExtensionCookie) Reply() (*QueryExtensionReply, error) {
 	return queryExtensionReply(buf), nil
 }
 
-// Read reply into structure from buffer for QueryExtension
+// queryExtensionReply reads a byte slice into a QueryExtensionReply value.
 func queryExtensionReply(buf []byte) *QueryExtensionReply {
 	v := new(QueryExtensionReply)
 	b := 1 // skip reply determinant
@@ -12914,6 +13309,7 @@ func queryExtensionReply(buf []byte) *QueryExtensionReply {
 }
 
 // Write request to wire for QueryExtension
+// queryExtensionRequest writes a QueryExtension request to a byte slice.
 func queryExtensionRequest(c *xgb.Conn, NameLen uint16, Name string) []byte {
 	size := xgb.Pad((8 + xgb.Pad((int(NameLen) * 1))))
 	b := 0
@@ -12938,35 +13334,37 @@ func queryExtensionRequest(c *xgb.Conn, NameLen uint16, Name string) []byte {
 	return buf
 }
 
-// Request ListExtensions
-// size: 4
+// ListExtensionsCookie is a cookie used only for ListExtensions requests.
 type ListExtensionsCookie struct {
 	*xgb.Cookie
 }
 
+// ListExtensions sends a checked request.
+// If an error occurs, it will be returned with the reply by calling ListExtensionsCookie.Reply()
 func ListExtensions(c *xgb.Conn) ListExtensionsCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(listExtensionsRequest(c), cookie)
 	return ListExtensionsCookie{cookie}
 }
 
+// ListExtensionsUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ListExtensionsUnchecked(c *xgb.Conn) ListExtensionsCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(listExtensionsRequest(c), cookie)
 	return ListExtensionsCookie{cookie}
 }
 
-// Request reply for ListExtensions
-// size: (32 + StrListSize(Names))
+// ListExtensionsReply represents the data returned from a ListExtensions request.
 type ListExtensionsReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	NamesLen byte
 	// padding: 24 bytes
 	Names []Str // size: StrListSize(Names)
 }
 
-// Waits and reads reply data from request ListExtensions
+// Reply blocks and returns the reply data for a ListExtensions request.
 func (cook ListExtensionsCookie) Reply() (*ListExtensionsReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -12978,7 +13376,7 @@ func (cook ListExtensionsCookie) Reply() (*ListExtensionsReply, error) {
 	return listExtensionsReply(buf), nil
 }
 
-// Read reply into structure from buffer for ListExtensions
+// listExtensionsReply reads a byte slice into a ListExtensionsReply value.
 func listExtensionsReply(buf []byte) *ListExtensionsReply {
 	v := new(ListExtensionsReply)
 	b := 1 // skip reply determinant
@@ -13001,6 +13399,7 @@ func listExtensionsReply(buf []byte) *ListExtensionsReply {
 }
 
 // Write request to wire for ListExtensions
+// listExtensionsRequest writes a ListExtensions request to a byte slice.
 func listExtensionsRequest(c *xgb.Conn) []byte {
 	size := 4
 	b := 0
@@ -13016,30 +13415,35 @@ func listExtensionsRequest(c *xgb.Conn) []byte {
 	return buf
 }
 
-// Request ChangeKeyboardMapping
-// size: xgb.Pad((8 + xgb.Pad(((int(KeycodeCount) * int(KeysymsPerKeycode)) * 4))))
+// ChangeKeyboardMappingCookie is a cookie used only for ChangeKeyboardMapping requests.
 type ChangeKeyboardMappingCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for ChangeKeyboardMapping
+// ChangeKeyboardMapping sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ChangeKeyboardMapping(c *xgb.Conn, KeycodeCount byte, FirstKeycode Keycode, KeysymsPerKeycode byte, Keysyms []Keysym) ChangeKeyboardMappingCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(changeKeyboardMappingRequest(c, KeycodeCount, FirstKeycode, KeysymsPerKeycode, Keysyms), cookie)
 	return ChangeKeyboardMappingCookie{cookie}
 }
 
+// ChangeKeyboardMappingChecked sends a checked request.
+// If an error occurs, it can be retrieved using ChangeKeyboardMappingCookie.Check()
 func ChangeKeyboardMappingChecked(c *xgb.Conn, KeycodeCount byte, FirstKeycode Keycode, KeysymsPerKeycode byte, Keysyms []Keysym) ChangeKeyboardMappingCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(changeKeyboardMappingRequest(c, KeycodeCount, FirstKeycode, KeysymsPerKeycode, Keysyms), cookie)
 	return ChangeKeyboardMappingCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook ChangeKeyboardMappingCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for ChangeKeyboardMapping
+// changeKeyboardMappingRequest writes a ChangeKeyboardMapping request to a byte slice.
 func changeKeyboardMappingRequest(c *xgb.Conn, KeycodeCount byte, FirstKeycode Keycode, KeysymsPerKeycode byte, Keysyms []Keysym) []byte {
 	size := xgb.Pad((8 + xgb.Pad(((int(KeycodeCount) * int(KeysymsPerKeycode)) * 4))))
 	b := 0
@@ -13071,35 +13475,37 @@ func changeKeyboardMappingRequest(c *xgb.Conn, KeycodeCount byte, FirstKeycode K
 	return buf
 }
 
-// Request GetKeyboardMapping
-// size: 8
+// GetKeyboardMappingCookie is a cookie used only for GetKeyboardMapping requests.
 type GetKeyboardMappingCookie struct {
 	*xgb.Cookie
 }
 
+// GetKeyboardMapping sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GetKeyboardMappingCookie.Reply()
 func GetKeyboardMapping(c *xgb.Conn, FirstKeycode Keycode, Count byte) GetKeyboardMappingCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getKeyboardMappingRequest(c, FirstKeycode, Count), cookie)
 	return GetKeyboardMappingCookie{cookie}
 }
 
+// GetKeyboardMappingUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetKeyboardMappingUnchecked(c *xgb.Conn, FirstKeycode Keycode, Count byte) GetKeyboardMappingCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getKeyboardMappingRequest(c, FirstKeycode, Count), cookie)
 	return GetKeyboardMappingCookie{cookie}
 }
 
-// Request reply for GetKeyboardMapping
-// size: (32 + xgb.Pad((int(Length) * 4)))
+// GetKeyboardMappingReply represents the data returned from a GetKeyboardMapping request.
 type GetKeyboardMappingReply struct {
-	Sequence          uint16
-	Length            uint32
+	Sequence          uint16 // sequence number of the request for this reply
+	Length            uint32 // number of bytes in this reply
 	KeysymsPerKeycode byte
 	// padding: 24 bytes
 	Keysyms []Keysym // size: xgb.Pad((int(Length) * 4))
 }
 
-// Waits and reads reply data from request GetKeyboardMapping
+// Reply blocks and returns the reply data for a GetKeyboardMapping request.
 func (cook GetKeyboardMappingCookie) Reply() (*GetKeyboardMappingReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -13111,7 +13517,7 @@ func (cook GetKeyboardMappingCookie) Reply() (*GetKeyboardMappingReply, error) {
 	return getKeyboardMappingReply(buf), nil
 }
 
-// Read reply into structure from buffer for GetKeyboardMapping
+// getKeyboardMappingReply reads a byte slice into a GetKeyboardMappingReply value.
 func getKeyboardMappingReply(buf []byte) *GetKeyboardMappingReply {
 	v := new(GetKeyboardMappingReply)
 	b := 1 // skip reply determinant
@@ -13138,6 +13544,7 @@ func getKeyboardMappingReply(buf []byte) *GetKeyboardMappingReply {
 }
 
 // Write request to wire for GetKeyboardMapping
+// getKeyboardMappingRequest writes a GetKeyboardMapping request to a byte slice.
 func getKeyboardMappingRequest(c *xgb.Conn, FirstKeycode Keycode, Count byte) []byte {
 	size := 8
 	b := 0
@@ -13160,30 +13567,35 @@ func getKeyboardMappingRequest(c *xgb.Conn, FirstKeycode Keycode, Count byte) []
 	return buf
 }
 
-// Request ChangeKeyboardControl
-// size: xgb.Pad((4 + (4 + xgb.Pad((4 * xgb.PopCount(int(ValueMask)))))))
+// ChangeKeyboardControlCookie is a cookie used only for ChangeKeyboardControl requests.
 type ChangeKeyboardControlCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for ChangeKeyboardControl
+// ChangeKeyboardControl sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ChangeKeyboardControl(c *xgb.Conn, ValueMask uint32, ValueList []uint32) ChangeKeyboardControlCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(changeKeyboardControlRequest(c, ValueMask, ValueList), cookie)
 	return ChangeKeyboardControlCookie{cookie}
 }
 
+// ChangeKeyboardControlChecked sends a checked request.
+// If an error occurs, it can be retrieved using ChangeKeyboardControlCookie.Check()
 func ChangeKeyboardControlChecked(c *xgb.Conn, ValueMask uint32, ValueList []uint32) ChangeKeyboardControlCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(changeKeyboardControlRequest(c, ValueMask, ValueList), cookie)
 	return ChangeKeyboardControlCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook ChangeKeyboardControlCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for ChangeKeyboardControl
+// changeKeyboardControlRequest writes a ChangeKeyboardControl request to a byte slice.
 func changeKeyboardControlRequest(c *xgb.Conn, ValueMask uint32, ValueList []uint32) []byte {
 	size := xgb.Pad((4 + (4 + xgb.Pad((4 * xgb.PopCount(int(ValueMask)))))))
 	b := 0
@@ -13208,29 +13620,31 @@ func changeKeyboardControlRequest(c *xgb.Conn, ValueMask uint32, ValueList []uin
 	return buf
 }
 
-// Request GetKeyboardControl
-// size: 4
+// GetKeyboardControlCookie is a cookie used only for GetKeyboardControl requests.
 type GetKeyboardControlCookie struct {
 	*xgb.Cookie
 }
 
+// GetKeyboardControl sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GetKeyboardControlCookie.Reply()
 func GetKeyboardControl(c *xgb.Conn) GetKeyboardControlCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getKeyboardControlRequest(c), cookie)
 	return GetKeyboardControlCookie{cookie}
 }
 
+// GetKeyboardControlUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetKeyboardControlUnchecked(c *xgb.Conn) GetKeyboardControlCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getKeyboardControlRequest(c), cookie)
 	return GetKeyboardControlCookie{cookie}
 }
 
-// Request reply for GetKeyboardControl
-// size: 52
+// GetKeyboardControlReply represents the data returned from a GetKeyboardControl request.
 type GetKeyboardControlReply struct {
-	Sequence         uint16
-	Length           uint32
+	Sequence         uint16 // sequence number of the request for this reply
+	Length           uint32 // number of bytes in this reply
 	GlobalAutoRepeat byte
 	LedMask          uint32
 	KeyClickPercent  byte
@@ -13241,7 +13655,7 @@ type GetKeyboardControlReply struct {
 	AutoRepeats []byte // size: 32
 }
 
-// Waits and reads reply data from request GetKeyboardControl
+// Reply blocks and returns the reply data for a GetKeyboardControl request.
 func (cook GetKeyboardControlCookie) Reply() (*GetKeyboardControlReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -13253,7 +13667,7 @@ func (cook GetKeyboardControlCookie) Reply() (*GetKeyboardControlReply, error) {
 	return getKeyboardControlReply(buf), nil
 }
 
-// Read reply into structure from buffer for GetKeyboardControl
+// getKeyboardControlReply reads a byte slice into a GetKeyboardControlReply value.
 func getKeyboardControlReply(buf []byte) *GetKeyboardControlReply {
 	v := new(GetKeyboardControlReply)
 	b := 1 // skip reply determinant
@@ -13292,6 +13706,7 @@ func getKeyboardControlReply(buf []byte) *GetKeyboardControlReply {
 }
 
 // Write request to wire for GetKeyboardControl
+// getKeyboardControlRequest writes a GetKeyboardControl request to a byte slice.
 func getKeyboardControlRequest(c *xgb.Conn) []byte {
 	size := 4
 	b := 0
@@ -13307,30 +13722,35 @@ func getKeyboardControlRequest(c *xgb.Conn) []byte {
 	return buf
 }
 
-// Request Bell
-// size: 4
+// BellCookie is a cookie used only for Bell requests.
 type BellCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for Bell
+// Bell sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func Bell(c *xgb.Conn, Percent int8) BellCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(bellRequest(c, Percent), cookie)
 	return BellCookie{cookie}
 }
 
+// BellChecked sends a checked request.
+// If an error occurs, it can be retrieved using BellCookie.Check()
 func BellChecked(c *xgb.Conn, Percent int8) BellCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(bellRequest(c, Percent), cookie)
 	return BellCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook BellCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for Bell
+// bellRequest writes a Bell request to a byte slice.
 func bellRequest(c *xgb.Conn, Percent int8) []byte {
 	size := 4
 	b := 0
@@ -13348,30 +13768,35 @@ func bellRequest(c *xgb.Conn, Percent int8) []byte {
 	return buf
 }
 
-// Request ChangePointerControl
-// size: 12
+// ChangePointerControlCookie is a cookie used only for ChangePointerControl requests.
 type ChangePointerControlCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for ChangePointerControl
+// ChangePointerControl sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ChangePointerControl(c *xgb.Conn, AccelerationNumerator int16, AccelerationDenominator int16, Threshold int16, DoAcceleration bool, DoThreshold bool) ChangePointerControlCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(changePointerControlRequest(c, AccelerationNumerator, AccelerationDenominator, Threshold, DoAcceleration, DoThreshold), cookie)
 	return ChangePointerControlCookie{cookie}
 }
 
+// ChangePointerControlChecked sends a checked request.
+// If an error occurs, it can be retrieved using ChangePointerControlCookie.Check()
 func ChangePointerControlChecked(c *xgb.Conn, AccelerationNumerator int16, AccelerationDenominator int16, Threshold int16, DoAcceleration bool, DoThreshold bool) ChangePointerControlCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(changePointerControlRequest(c, AccelerationNumerator, AccelerationDenominator, Threshold, DoAcceleration, DoThreshold), cookie)
 	return ChangePointerControlCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook ChangePointerControlCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for ChangePointerControl
+// changePointerControlRequest writes a ChangePointerControl request to a byte slice.
 func changePointerControlRequest(c *xgb.Conn, AccelerationNumerator int16, AccelerationDenominator int16, Threshold int16, DoAcceleration bool, DoThreshold bool) []byte {
 	size := 12
 	b := 0
@@ -13411,29 +13836,31 @@ func changePointerControlRequest(c *xgb.Conn, AccelerationNumerator int16, Accel
 	return buf
 }
 
-// Request GetPointerControl
-// size: 4
+// GetPointerControlCookie is a cookie used only for GetPointerControl requests.
 type GetPointerControlCookie struct {
 	*xgb.Cookie
 }
 
+// GetPointerControl sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GetPointerControlCookie.Reply()
 func GetPointerControl(c *xgb.Conn) GetPointerControlCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getPointerControlRequest(c), cookie)
 	return GetPointerControlCookie{cookie}
 }
 
+// GetPointerControlUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetPointerControlUnchecked(c *xgb.Conn) GetPointerControlCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getPointerControlRequest(c), cookie)
 	return GetPointerControlCookie{cookie}
 }
 
-// Request reply for GetPointerControl
-// size: 32
+// GetPointerControlReply represents the data returned from a GetPointerControl request.
 type GetPointerControlReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	AccelerationNumerator   uint16
 	AccelerationDenominator uint16
@@ -13441,7 +13868,7 @@ type GetPointerControlReply struct {
 	// padding: 18 bytes
 }
 
-// Waits and reads reply data from request GetPointerControl
+// Reply blocks and returns the reply data for a GetPointerControl request.
 func (cook GetPointerControlCookie) Reply() (*GetPointerControlReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -13453,7 +13880,7 @@ func (cook GetPointerControlCookie) Reply() (*GetPointerControlReply, error) {
 	return getPointerControlReply(buf), nil
 }
 
-// Read reply into structure from buffer for GetPointerControl
+// getPointerControlReply reads a byte slice into a GetPointerControlReply value.
 func getPointerControlReply(buf []byte) *GetPointerControlReply {
 	v := new(GetPointerControlReply)
 	b := 1 // skip reply determinant
@@ -13481,6 +13908,7 @@ func getPointerControlReply(buf []byte) *GetPointerControlReply {
 }
 
 // Write request to wire for GetPointerControl
+// getPointerControlRequest writes a GetPointerControl request to a byte slice.
 func getPointerControlRequest(c *xgb.Conn) []byte {
 	size := 4
 	b := 0
@@ -13496,30 +13924,35 @@ func getPointerControlRequest(c *xgb.Conn) []byte {
 	return buf
 }
 
-// Request SetScreenSaver
-// size: 12
+// SetScreenSaverCookie is a cookie used only for SetScreenSaver requests.
 type SetScreenSaverCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for SetScreenSaver
+// SetScreenSaver sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func SetScreenSaver(c *xgb.Conn, Timeout int16, Interval int16, PreferBlanking byte, AllowExposures byte) SetScreenSaverCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(setScreenSaverRequest(c, Timeout, Interval, PreferBlanking, AllowExposures), cookie)
 	return SetScreenSaverCookie{cookie}
 }
 
+// SetScreenSaverChecked sends a checked request.
+// If an error occurs, it can be retrieved using SetScreenSaverCookie.Check()
 func SetScreenSaverChecked(c *xgb.Conn, Timeout int16, Interval int16, PreferBlanking byte, AllowExposures byte) SetScreenSaverCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(setScreenSaverRequest(c, Timeout, Interval, PreferBlanking, AllowExposures), cookie)
 	return SetScreenSaverCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook SetScreenSaverCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for SetScreenSaver
+// setScreenSaverRequest writes a SetScreenSaver request to a byte slice.
 func setScreenSaverRequest(c *xgb.Conn, Timeout int16, Interval int16, PreferBlanking byte, AllowExposures byte) []byte {
 	size := 12
 	b := 0
@@ -13548,29 +13981,31 @@ func setScreenSaverRequest(c *xgb.Conn, Timeout int16, Interval int16, PreferBla
 	return buf
 }
 
-// Request GetScreenSaver
-// size: 4
+// GetScreenSaverCookie is a cookie used only for GetScreenSaver requests.
 type GetScreenSaverCookie struct {
 	*xgb.Cookie
 }
 
+// GetScreenSaver sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GetScreenSaverCookie.Reply()
 func GetScreenSaver(c *xgb.Conn) GetScreenSaverCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getScreenSaverRequest(c), cookie)
 	return GetScreenSaverCookie{cookie}
 }
 
+// GetScreenSaverUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetScreenSaverUnchecked(c *xgb.Conn) GetScreenSaverCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getScreenSaverRequest(c), cookie)
 	return GetScreenSaverCookie{cookie}
 }
 
-// Request reply for GetScreenSaver
-// size: 32
+// GetScreenSaverReply represents the data returned from a GetScreenSaver request.
 type GetScreenSaverReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	// padding: 1 bytes
 	Timeout        uint16
 	Interval       uint16
@@ -13579,7 +14014,7 @@ type GetScreenSaverReply struct {
 	// padding: 18 bytes
 }
 
-// Waits and reads reply data from request GetScreenSaver
+// Reply blocks and returns the reply data for a GetScreenSaver request.
 func (cook GetScreenSaverCookie) Reply() (*GetScreenSaverReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -13591,7 +14026,7 @@ func (cook GetScreenSaverCookie) Reply() (*GetScreenSaverReply, error) {
 	return getScreenSaverReply(buf), nil
 }
 
-// Read reply into structure from buffer for GetScreenSaver
+// getScreenSaverReply reads a byte slice into a GetScreenSaverReply value.
 func getScreenSaverReply(buf []byte) *GetScreenSaverReply {
 	v := new(GetScreenSaverReply)
 	b := 1 // skip reply determinant
@@ -13622,6 +14057,7 @@ func getScreenSaverReply(buf []byte) *GetScreenSaverReply {
 }
 
 // Write request to wire for GetScreenSaver
+// getScreenSaverRequest writes a GetScreenSaver request to a byte slice.
 func getScreenSaverRequest(c *xgb.Conn) []byte {
 	size := 4
 	b := 0
@@ -13637,30 +14073,35 @@ func getScreenSaverRequest(c *xgb.Conn) []byte {
 	return buf
 }
 
-// Request ChangeHosts
-// size: xgb.Pad((8 + xgb.Pad((int(AddressLen) * 1))))
+// ChangeHostsCookie is a cookie used only for ChangeHosts requests.
 type ChangeHostsCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for ChangeHosts
+// ChangeHosts sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ChangeHosts(c *xgb.Conn, Mode byte, Family byte, AddressLen uint16, Address []byte) ChangeHostsCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(changeHostsRequest(c, Mode, Family, AddressLen, Address), cookie)
 	return ChangeHostsCookie{cookie}
 }
 
+// ChangeHostsChecked sends a checked request.
+// If an error occurs, it can be retrieved using ChangeHostsCookie.Check()
 func ChangeHostsChecked(c *xgb.Conn, Mode byte, Family byte, AddressLen uint16, Address []byte) ChangeHostsCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(changeHostsRequest(c, Mode, Family, AddressLen, Address), cookie)
 	return ChangeHostsCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook ChangeHostsCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for ChangeHosts
+// changeHostsRequest writes a ChangeHosts request to a byte slice.
 func changeHostsRequest(c *xgb.Conn, Mode byte, Family byte, AddressLen uint16, Address []byte) []byte {
 	size := xgb.Pad((8 + xgb.Pad((int(AddressLen) * 1))))
 	b := 0
@@ -13689,36 +14130,38 @@ func changeHostsRequest(c *xgb.Conn, Mode byte, Family byte, AddressLen uint16,
 	return buf
 }
 
-// Request ListHosts
-// size: 4
+// ListHostsCookie is a cookie used only for ListHosts requests.
 type ListHostsCookie struct {
 	*xgb.Cookie
 }
 
+// ListHosts sends a checked request.
+// If an error occurs, it will be returned with the reply by calling ListHostsCookie.Reply()
 func ListHosts(c *xgb.Conn) ListHostsCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(listHostsRequest(c), cookie)
 	return ListHostsCookie{cookie}
 }
 
+// ListHostsUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ListHostsUnchecked(c *xgb.Conn) ListHostsCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(listHostsRequest(c), cookie)
 	return ListHostsCookie{cookie}
 }
 
-// Request reply for ListHosts
-// size: (32 + HostListSize(Hosts))
+// ListHostsReply represents the data returned from a ListHosts request.
 type ListHostsReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	Mode     byte
 	HostsLen uint16
 	// padding: 22 bytes
 	Hosts []Host // size: HostListSize(Hosts)
 }
 
-// Waits and reads reply data from request ListHosts
+// Reply blocks and returns the reply data for a ListHosts request.
 func (cook ListHostsCookie) Reply() (*ListHostsReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -13730,7 +14173,7 @@ func (cook ListHostsCookie) Reply() (*ListHostsReply, error) {
 	return listHostsReply(buf), nil
 }
 
-// Read reply into structure from buffer for ListHosts
+// listHostsReply reads a byte slice into a ListHostsReply value.
 func listHostsReply(buf []byte) *ListHostsReply {
 	v := new(ListHostsReply)
 	b := 1 // skip reply determinant
@@ -13756,6 +14199,7 @@ func listHostsReply(buf []byte) *ListHostsReply {
 }
 
 // Write request to wire for ListHosts
+// listHostsRequest writes a ListHosts request to a byte slice.
 func listHostsRequest(c *xgb.Conn) []byte {
 	size := 4
 	b := 0
@@ -13771,30 +14215,35 @@ func listHostsRequest(c *xgb.Conn) []byte {
 	return buf
 }
 
-// Request SetAccessControl
-// size: 4
+// SetAccessControlCookie is a cookie used only for SetAccessControl requests.
 type SetAccessControlCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for SetAccessControl
+// SetAccessControl sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func SetAccessControl(c *xgb.Conn, Mode byte) SetAccessControlCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(setAccessControlRequest(c, Mode), cookie)
 	return SetAccessControlCookie{cookie}
 }
 
+// SetAccessControlChecked sends a checked request.
+// If an error occurs, it can be retrieved using SetAccessControlCookie.Check()
 func SetAccessControlChecked(c *xgb.Conn, Mode byte) SetAccessControlCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(setAccessControlRequest(c, Mode), cookie)
 	return SetAccessControlCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook SetAccessControlCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for SetAccessControl
+// setAccessControlRequest writes a SetAccessControl request to a byte slice.
 func setAccessControlRequest(c *xgb.Conn, Mode byte) []byte {
 	size := 4
 	b := 0
@@ -13812,30 +14261,35 @@ func setAccessControlRequest(c *xgb.Conn, Mode byte) []byte {
 	return buf
 }
 
-// Request SetCloseDownMode
-// size: 4
+// SetCloseDownModeCookie is a cookie used only for SetCloseDownMode requests.
 type SetCloseDownModeCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for SetCloseDownMode
+// SetCloseDownMode sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func SetCloseDownMode(c *xgb.Conn, Mode byte) SetCloseDownModeCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(setCloseDownModeRequest(c, Mode), cookie)
 	return SetCloseDownModeCookie{cookie}
 }
 
+// SetCloseDownModeChecked sends a checked request.
+// If an error occurs, it can be retrieved using SetCloseDownModeCookie.Check()
 func SetCloseDownModeChecked(c *xgb.Conn, Mode byte) SetCloseDownModeCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(setCloseDownModeRequest(c, Mode), cookie)
 	return SetCloseDownModeCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook SetCloseDownModeCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for SetCloseDownMode
+// setCloseDownModeRequest writes a SetCloseDownMode request to a byte slice.
 func setCloseDownModeRequest(c *xgb.Conn, Mode byte) []byte {
 	size := 4
 	b := 0
@@ -13853,30 +14307,35 @@ func setCloseDownModeRequest(c *xgb.Conn, Mode byte) []byte {
 	return buf
 }
 
-// Request KillClient
-// size: 8
+// KillClientCookie is a cookie used only for KillClient requests.
 type KillClientCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for KillClient
+// KillClient sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func KillClient(c *xgb.Conn, Resource uint32) KillClientCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(killClientRequest(c, Resource), cookie)
 	return KillClientCookie{cookie}
 }
 
+// KillClientChecked sends a checked request.
+// If an error occurs, it can be retrieved using KillClientCookie.Check()
 func KillClientChecked(c *xgb.Conn, Resource uint32) KillClientCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(killClientRequest(c, Resource), cookie)
 	return KillClientCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook KillClientCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for KillClient
+// killClientRequest writes a KillClient request to a byte slice.
 func killClientRequest(c *xgb.Conn, Resource uint32) []byte {
 	size := 8
 	b := 0
@@ -13896,30 +14355,35 @@ func killClientRequest(c *xgb.Conn, Resource uint32) []byte {
 	return buf
 }
 
-// Request RotateProperties
-// size: xgb.Pad((12 + xgb.Pad((int(AtomsLen) * 4))))
+// RotatePropertiesCookie is a cookie used only for RotateProperties requests.
 type RotatePropertiesCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for RotateProperties
+// RotateProperties sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func RotateProperties(c *xgb.Conn, Window Window, AtomsLen uint16, Delta int16, Atoms []Atom) RotatePropertiesCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(rotatePropertiesRequest(c, Window, AtomsLen, Delta, Atoms), cookie)
 	return RotatePropertiesCookie{cookie}
 }
 
+// RotatePropertiesChecked sends a checked request.
+// If an error occurs, it can be retrieved using RotatePropertiesCookie.Check()
 func RotatePropertiesChecked(c *xgb.Conn, Window Window, AtomsLen uint16, Delta int16, Atoms []Atom) RotatePropertiesCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(rotatePropertiesRequest(c, Window, AtomsLen, Delta, Atoms), cookie)
 	return RotatePropertiesCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook RotatePropertiesCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for RotateProperties
+// rotatePropertiesRequest writes a RotateProperties request to a byte slice.
 func rotatePropertiesRequest(c *xgb.Conn, Window Window, AtomsLen uint16, Delta int16, Atoms []Atom) []byte {
 	size := xgb.Pad((12 + xgb.Pad((int(AtomsLen) * 4))))
 	b := 0
@@ -13951,30 +14415,35 @@ func rotatePropertiesRequest(c *xgb.Conn, Window Window, AtomsLen uint16, Delta
 	return buf
 }
 
-// Request ForceScreenSaver
-// size: 4
+// ForceScreenSaverCookie is a cookie used only for ForceScreenSaver requests.
 type ForceScreenSaverCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for ForceScreenSaver
+// ForceScreenSaver sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ForceScreenSaver(c *xgb.Conn, Mode byte) ForceScreenSaverCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(forceScreenSaverRequest(c, Mode), cookie)
 	return ForceScreenSaverCookie{cookie}
 }
 
+// ForceScreenSaverChecked sends a checked request.
+// If an error occurs, it can be retrieved using ForceScreenSaverCookie.Check()
 func ForceScreenSaverChecked(c *xgb.Conn, Mode byte) ForceScreenSaverCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(forceScreenSaverRequest(c, Mode), cookie)
 	return ForceScreenSaverCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook ForceScreenSaverCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for ForceScreenSaver
+// forceScreenSaverRequest writes a ForceScreenSaver request to a byte slice.
 func forceScreenSaverRequest(c *xgb.Conn, Mode byte) []byte {
 	size := 4
 	b := 0
@@ -13992,33 +14461,35 @@ func forceScreenSaverRequest(c *xgb.Conn, Mode byte) []byte {
 	return buf
 }
 
-// Request SetPointerMapping
-// size: xgb.Pad((4 + xgb.Pad((int(MapLen) * 1))))
+// SetPointerMappingCookie is a cookie used only for SetPointerMapping requests.
 type SetPointerMappingCookie struct {
 	*xgb.Cookie
 }
 
+// SetPointerMapping sends a checked request.
+// If an error occurs, it will be returned with the reply by calling SetPointerMappingCookie.Reply()
 func SetPointerMapping(c *xgb.Conn, MapLen byte, Map []byte) SetPointerMappingCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(setPointerMappingRequest(c, MapLen, Map), cookie)
 	return SetPointerMappingCookie{cookie}
 }
 
+// SetPointerMappingUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func SetPointerMappingUnchecked(c *xgb.Conn, MapLen byte, Map []byte) SetPointerMappingCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(setPointerMappingRequest(c, MapLen, Map), cookie)
 	return SetPointerMappingCookie{cookie}
 }
 
-// Request reply for SetPointerMapping
-// size: 8
+// SetPointerMappingReply represents the data returned from a SetPointerMapping request.
 type SetPointerMappingReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	Status   byte
 }
 
-// Waits and reads reply data from request SetPointerMapping
+// Reply blocks and returns the reply data for a SetPointerMapping request.
 func (cook SetPointerMappingCookie) Reply() (*SetPointerMappingReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -14030,7 +14501,7 @@ func (cook SetPointerMappingCookie) Reply() (*SetPointerMappingReply, error) {
 	return setPointerMappingReply(buf), nil
 }
 
-// Read reply into structure from buffer for SetPointerMapping
+// setPointerMappingReply reads a byte slice into a SetPointerMappingReply value.
 func setPointerMappingReply(buf []byte) *SetPointerMappingReply {
 	v := new(SetPointerMappingReply)
 	b := 1 // skip reply determinant
@@ -14048,6 +14519,7 @@ func setPointerMappingReply(buf []byte) *SetPointerMappingReply {
 }
 
 // Write request to wire for SetPointerMapping
+// setPointerMappingRequest writes a SetPointerMapping request to a byte slice.
 func setPointerMappingRequest(c *xgb.Conn, MapLen byte, Map []byte) []byte {
 	size := xgb.Pad((4 + xgb.Pad((int(MapLen) * 1))))
 	b := 0
@@ -14068,35 +14540,37 @@ func setPointerMappingRequest(c *xgb.Conn, MapLen byte, Map []byte) []byte {
 	return buf
 }
 
-// Request GetPointerMapping
-// size: 4
+// GetPointerMappingCookie is a cookie used only for GetPointerMapping requests.
 type GetPointerMappingCookie struct {
 	*xgb.Cookie
 }
 
+// GetPointerMapping sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GetPointerMappingCookie.Reply()
 func GetPointerMapping(c *xgb.Conn) GetPointerMappingCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getPointerMappingRequest(c), cookie)
 	return GetPointerMappingCookie{cookie}
 }
 
+// GetPointerMappingUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetPointerMappingUnchecked(c *xgb.Conn) GetPointerMappingCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getPointerMappingRequest(c), cookie)
 	return GetPointerMappingCookie{cookie}
 }
 
-// Request reply for GetPointerMapping
-// size: (32 + xgb.Pad((int(MapLen) * 1)))
+// GetPointerMappingReply represents the data returned from a GetPointerMapping request.
 type GetPointerMappingReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	MapLen   byte
 	// padding: 24 bytes
 	Map []byte // size: xgb.Pad((int(MapLen) * 1))
 }
 
-// Waits and reads reply data from request GetPointerMapping
+// Reply blocks and returns the reply data for a GetPointerMapping request.
 func (cook GetPointerMappingCookie) Reply() (*GetPointerMappingReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -14108,7 +14582,7 @@ func (cook GetPointerMappingCookie) Reply() (*GetPointerMappingReply, error) {
 	return getPointerMappingReply(buf), nil
 }
 
-// Read reply into structure from buffer for GetPointerMapping
+// getPointerMappingReply reads a byte slice into a GetPointerMappingReply value.
 func getPointerMappingReply(buf []byte) *GetPointerMappingReply {
 	v := new(GetPointerMappingReply)
 	b := 1 // skip reply determinant
@@ -14132,6 +14606,7 @@ func getPointerMappingReply(buf []byte) *GetPointerMappingReply {
 }
 
 // Write request to wire for GetPointerMapping
+// getPointerMappingRequest writes a GetPointerMapping request to a byte slice.
 func getPointerMappingRequest(c *xgb.Conn) []byte {
 	size := 4
 	b := 0
@@ -14147,33 +14622,35 @@ func getPointerMappingRequest(c *xgb.Conn) []byte {
 	return buf
 }
 
-// Request SetModifierMapping
-// size: xgb.Pad((4 + xgb.Pad(((int(KeycodesPerModifier) * 8) * 1))))
+// SetModifierMappingCookie is a cookie used only for SetModifierMapping requests.
 type SetModifierMappingCookie struct {
 	*xgb.Cookie
 }
 
+// SetModifierMapping sends a checked request.
+// If an error occurs, it will be returned with the reply by calling SetModifierMappingCookie.Reply()
 func SetModifierMapping(c *xgb.Conn, KeycodesPerModifier byte, Keycodes []Keycode) SetModifierMappingCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(setModifierMappingRequest(c, KeycodesPerModifier, Keycodes), cookie)
 	return SetModifierMappingCookie{cookie}
 }
 
+// SetModifierMappingUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func SetModifierMappingUnchecked(c *xgb.Conn, KeycodesPerModifier byte, Keycodes []Keycode) SetModifierMappingCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(setModifierMappingRequest(c, KeycodesPerModifier, Keycodes), cookie)
 	return SetModifierMappingCookie{cookie}
 }
 
-// Request reply for SetModifierMapping
-// size: 8
+// SetModifierMappingReply represents the data returned from a SetModifierMapping request.
 type SetModifierMappingReply struct {
-	Sequence uint16
-	Length   uint32
+	Sequence uint16 // sequence number of the request for this reply
+	Length   uint32 // number of bytes in this reply
 	Status   byte
 }
 
-// Waits and reads reply data from request SetModifierMapping
+// Reply blocks and returns the reply data for a SetModifierMapping request.
 func (cook SetModifierMappingCookie) Reply() (*SetModifierMappingReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -14185,7 +14662,7 @@ func (cook SetModifierMappingCookie) Reply() (*SetModifierMappingReply, error) {
 	return setModifierMappingReply(buf), nil
 }
 
-// Read reply into structure from buffer for SetModifierMapping
+// setModifierMappingReply reads a byte slice into a SetModifierMappingReply value.
 func setModifierMappingReply(buf []byte) *SetModifierMappingReply {
 	v := new(SetModifierMappingReply)
 	b := 1 // skip reply determinant
@@ -14203,6 +14680,7 @@ func setModifierMappingReply(buf []byte) *SetModifierMappingReply {
 }
 
 // Write request to wire for SetModifierMapping
+// setModifierMappingRequest writes a SetModifierMapping request to a byte slice.
 func setModifierMappingRequest(c *xgb.Conn, KeycodesPerModifier byte, Keycodes []Keycode) []byte {
 	size := xgb.Pad((4 + xgb.Pad(((int(KeycodesPerModifier) * 8) * 1))))
 	b := 0
@@ -14226,35 +14704,37 @@ func setModifierMappingRequest(c *xgb.Conn, KeycodesPerModifier byte, Keycodes [
 	return buf
 }
 
-// Request GetModifierMapping
-// size: 4
+// GetModifierMappingCookie is a cookie used only for GetModifierMapping requests.
 type GetModifierMappingCookie struct {
 	*xgb.Cookie
 }
 
+// GetModifierMapping sends a checked request.
+// If an error occurs, it will be returned with the reply by calling GetModifierMappingCookie.Reply()
 func GetModifierMapping(c *xgb.Conn) GetModifierMappingCookie {
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getModifierMappingRequest(c), cookie)
 	return GetModifierMappingCookie{cookie}
 }
 
+// GetModifierMappingUnchecked sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetModifierMappingUnchecked(c *xgb.Conn) GetModifierMappingCookie {
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getModifierMappingRequest(c), cookie)
 	return GetModifierMappingCookie{cookie}
 }
 
-// Request reply for GetModifierMapping
-// size: (32 + xgb.Pad(((int(KeycodesPerModifier) * 8) * 1)))
+// GetModifierMappingReply represents the data returned from a GetModifierMapping request.
 type GetModifierMappingReply struct {
-	Sequence            uint16
-	Length              uint32
+	Sequence            uint16 // sequence number of the request for this reply
+	Length              uint32 // number of bytes in this reply
 	KeycodesPerModifier byte
 	// padding: 24 bytes
 	Keycodes []Keycode // size: xgb.Pad(((int(KeycodesPerModifier) * 8) * 1))
 }
 
-// Waits and reads reply data from request GetModifierMapping
+// Reply blocks and returns the reply data for a GetModifierMapping request.
 func (cook GetModifierMappingCookie) Reply() (*GetModifierMappingReply, error) {
 	buf, err := cook.Cookie.Reply()
 	if err != nil {
@@ -14266,7 +14746,7 @@ func (cook GetModifierMappingCookie) Reply() (*GetModifierMappingReply, error) {
 	return getModifierMappingReply(buf), nil
 }
 
-// Read reply into structure from buffer for GetModifierMapping
+// getModifierMappingReply reads a byte slice into a GetModifierMappingReply value.
 func getModifierMappingReply(buf []byte) *GetModifierMappingReply {
 	v := new(GetModifierMappingReply)
 	b := 1 // skip reply determinant
@@ -14293,6 +14773,7 @@ func getModifierMappingReply(buf []byte) *GetModifierMappingReply {
 }
 
 // Write request to wire for GetModifierMapping
+// getModifierMappingRequest writes a GetModifierMapping request to a byte slice.
 func getModifierMappingRequest(c *xgb.Conn) []byte {
 	size := 4
 	b := 0
@@ -14308,30 +14789,35 @@ func getModifierMappingRequest(c *xgb.Conn) []byte {
 	return buf
 }
 
-// Request NoOperation
-// size: 4
+// NoOperationCookie is a cookie used only for NoOperation requests.
 type NoOperationCookie struct {
 	*xgb.Cookie
 }
 
-// Write request to wire for NoOperation
+// NoOperation sends an unchecked request.
+// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func NoOperation(c *xgb.Conn) NoOperationCookie {
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(noOperationRequest(c), cookie)
 	return NoOperationCookie{cookie}
 }
 
+// NoOperationChecked sends a checked request.
+// If an error occurs, it can be retrieved using NoOperationCookie.Check()
 func NoOperationChecked(c *xgb.Conn) NoOperationCookie {
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(noOperationRequest(c), cookie)
 	return NoOperationCookie{cookie}
 }
 
+// Check returns an error if one occurred for checked requests that are not expecting a reply.
+// This cannot be called for requests expecting a reply, nor for unchecked requests.
 func (cook NoOperationCookie) Check() error {
 	return cook.Cookie.Check()
 }
 
 // Write request to wire for NoOperation
+// noOperationRequest writes a NoOperation request to a byte slice.
 func noOperationRequest(c *xgb.Conn) []byte {
 	size := 4
 	b := 0