From: Mischa POSLAWSKY <perl@shiar.org>
Date: Thu, 25 Jan 2024 19:32:33 +0000 (+0100)
Subject: font: prefer precomposed replacement strings
X-Git-Url: http://git.shiar.net/sheet.git/commitdiff_plain/8f53b03a6246809e8290984b5e5c386daa26c2a0

font: prefer precomposed replacement strings

Common glyph_info results provide improved placeholder rendering for Mn|Me
without other overrides (other substitutes for Cc are ignored).
---

diff --git a/font.plp b/font.plp
index a9f3491..7019573 100644
--- a/font.plp
+++ b/font.plp
@@ -156,8 +156,9 @@ EOT
 		my ($class, $name, $mnem, $entity, $string) = @{$info};
 		my $np = $class =~ /\bC\S\b/;  # noprint if control or invalid
 		# display literal character, with placeholder circle if non-spacing/enclosing
+		$string ||= ($class =~ /\bM[ne]\b/ && chr 9676) . chr($cp);
 		my $html = $np ? !!$cover{$cp} && sprintf("&#%d;", $cp) :
-			($class =~ /\bM[ne]\b/ && chr 9676) . EscapeHTML(chr $cp);
+			EscapeHTML($string);
 		say sprintf '<td class="%s" title="U+%04X%s">%s',
 			!$class ? ('l0', $cp, '', '') : (
 			$cover{$cp} ? $np ? 'l2' : 'l5' : $np ? 'Xi' : 'l1',