From dca3ceff1489175ca452c72a278e129f6863cb3e Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Sun, 14 Sep 2008 00:45:28 +0000
Subject: [PATCH] digraphs: fix html (escape index chars; thead syntax)

More strict adherence to strict HTML 4.01.  Though most browsers could
parse it correctly already, it was certainly erroneous.
---
 digraphs.plp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/digraphs.plp b/digraphs.plp
index ab04efd..ab9aab5 100644
--- a/digraphs.plp
+++ b/digraphs.plp
@@ -42,15 +42,16 @@ my @chars2 = (@chars, ['_']);  # trailing character (extended set)
 
 print '<table><col>';
 print qq'<colgroup span="$_">' for map {scalar @$_} @chars2;
-print "\n";
+print "</colgroup><col>\n";
 for my $section (qw{thead tfoot}) {
 	print "<$section><tr><th>&nbsp;";
-	print "<th>$_" for map {@$_} @chars2;
+	print '<th>', quote($_) for map {@$_} @chars2;
+	print "<th>&nbsp;\n";
 }
 for my $c1group (@chars) {
 	print '<tbody>';
 	for my $c1 (@$c1group) {
-		print "<tr><th>$c1";
+		print '<tr><th>', quote($c1);
 		for my $c2 (map {@$_} @chars2) {
 			my $mnem = $c1 . $c2;
 			if (not defined $di->{$mnem}) {
@@ -74,7 +75,7 @@ for my $c1group (@chars) {
 			printf "\n".'<td class="%s" title="%s">%s',
 				join(' ', @class), quote($desc), $glyph;
 		}
-		print "\n<th>$c1\n";
+		print "\n<th>", quote($c1), "\n";
 	}
 }
 print "</table>\n";
-- 
2.30.0