From 089593bb0fbe72ef0d66c5efb1167a6c0d14b701 Mon Sep 17 00:00:00 2001
From: Přemysl Eric Janouch <p@janouch.name>
Date: Fri, 30 Sep 2022 15:01:14 +0200
Subject: asciiman: render libertyxdr.adoc properly

---
 tools/asciiman.awk | 57 ++++++++++++++++++++++++++----------------------------
 1 file changed, 27 insertions(+), 30 deletions(-)

diff --git a/tools/asciiman.awk b/tools/asciiman.awk
index 55330ad..ddb1093 100644
--- a/tools/asciiman.awk
+++ b/tools/asciiman.awk
@@ -72,13 +72,39 @@ NR == 1 {
 	print ".nh"
 }
 
+function format(line,    v) {
+	# Pass-through, otherwise useful for hacks, is a bit of a lie here,
+	# and formatting doesn't fully respect word boundaries.
+	while (line) {
+		if (match(line, /^[+][+][+][^+]+[+][+][+]/)) {
+			v = v substr(line, RSTART + 3, RLENGTH - 6)
+		} else if (match(line, /^__[^_]+__/)) {
+			v = v "\\fI" substr(line, RSTART + 2, RLENGTH - 4) "\\fP"
+		} else if (match(line, /^[*][*][^*]+[*][*]/)) {
+			v = v "\\fB" substr(line, RSTART + 2, RLENGTH - 4) "\\fP"
+		} else if (match(line, /^_[^_]+_/) &&
+			substr(line, RSTART + RLENGTH) !~ /^[[:alnum:]]/) {
+			v = v "\\fI" substr(line, RSTART + 1, RLENGTH - 2) "\\fP"
+		} else if (match(line, /^[*][^*]+[*]/) &&
+			substr(line, RSTART + RLENGTH) !~ /^[[:alnum:]]/) {
+			v = v "\\fB" substr(line, RSTART + 1, RLENGTH - 2) "\\fP"
+		} else {
+			v = v substr(line, 1, 1)
+			line = substr(line, 2)
+			continue
+		}
+		line = substr(line, RSTART + RLENGTH)
+	}
+	return v
+}
+
 function inline(line) {
 	if (!line) {
 		print ".sp"
 		return
 	}
 
-	line = escape(expand(line))
+	line = format(escape(expand(line)))
 
 	# Strip empty URL descriptions, otherwise useful for demarking the end.
 	while (match(line, /[^[:space:]]+\[\]/)) {
@@ -86,35 +112,6 @@ function inline(line) {
 			 substr(line, RSTART + RLENGTH)
 	}
 
-	# Pass-through, otherwise useful for hacks, is a lie here.
-	while (match(line, /[+][+][+][^+]+[+][+][+]/)) {
-		line = substr(line, 1, RSTART - 1) \
-			 substr(line, RSTART + 3, RLENGTH - 6) \
-			 substr(line, RSTART + RLENGTH)
-	}
-
-	# Italic and bold formatting doesn't respect any word boundaries.
-	while (match(line, /__[^_]+__/)) {
-		line = substr(line, 1, RSTART - 1) \
-			 "\\fI" substr(line, RSTART + 2, RLENGTH - 4) "\\fP" \
-			 substr(line, RSTART + RLENGTH)
-	}
-	while (match(line, /_[^_]+_/)) {
-		line = substr(line, 1, RSTART - 1) \
-			 "\\fI" substr(line, RSTART + 1, RLENGTH - 2) "\\fP" \
-			 substr(line, RSTART + RLENGTH)
-	}
-	while (match(line, /[*][*][^*]+[*][*]/)) {
-		line = substr(line, 1, RSTART - 1) \
-			 "\\fB" substr(line, RSTART + 2, RLENGTH - 4) "\\fP" \
-			 substr(line, RSTART + RLENGTH)
-	}
-	while (match(line, /[*][^*]+[*]/)) {
-		line = substr(line, 1, RSTART - 1) \
-			 "\\fB" substr(line, RSTART + 1, RLENGTH - 2) "\\fP" \
-			 substr(line, RSTART + RLENGTH)
-	}
-
 	# Enable double-spacing after the end of a sentence.
 	gsub(/[.][[:space:]]+/, ".\n", line)
 	gsub(/[!][[:space:]]+/, "!\n", line)
-- 
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