+ when (qr{[\d,;\s+-]+}) {
+ push @querydesc, "character codepoints $_";
+ for (map { split /[^\d-]/ } $_) {
+ my ($charnum, $range) = split /-/, $_;
+ push @chars, chr $_ for $charnum .. ($range // $charnum);
+ }
+ }
+ when (qr{[A-Z]}) {
+ push @querydesc, "unicode match $_";
+ eval {
+ my $match = qr/\A\p{$_}\z/;
+ push @chars, grep { m/$match/ } map { chr $_ }
+ 0..0xD7FF, 0xE000..0xFDCF, 0xFDF0..0xFFFD;
+ } or die "invalid unicode match: $_\n";
+ }
+ default {
+ die "unknown parameter: $_\n";
+ }
+}
+
+@chars <= 1500 or die sprintf(
+ 'too many matches (%d) for %s'."\n",
+ scalar @chars, join(', ', @querydesc),
+);
+
+# output character list
+
+print '<table class=mapped>';
+say '<caption>'.EscapeHTML(join ', ', @querydesc).'</caption>';
+print '<col>' x 3;
+print "<colgroup span=$_>" for 2, map { scalar @{$oslist{$_}} } @ossel;
+
+print '<thead><tr>';
+print '<td colspan=3>character';
+print '<td colspan=2>input';
+printf '<td colspan=%d>%s fonts', scalar @{ $oslist{$_} }, $_
+ for @ossel;
+
+print '<tr>';
+print '<td colspan=2>unicode';
+print '<td>name';
+print '<td><a href="/digraphs" title="digraph">di</a><td>html';
+printf '<td title="%s">%s', $font{$_}->{-name}, $font{$_}->{-id} // $_
+ for @fontlist;
+say '</thead>';
+
+for my $chr (@chars) {
+ my $codepoint = ord $chr;
+ my $ascii = $codepoint <= 127;
+
+ print "<tr><th>$chr\n";
+ my $info = $glyphs->glyph_info($codepoint);
+ my ($class, $name, $mnem, $html, $string) = @$info;
+ print "<td>$_" for sprintf('%X', $codepoint), EscapeHTML($name || '?');
+ printf '<td class="%s">%s', @$_ for (
+ [$ascii ? 'l0' : defined $mnem ? $class =~ /\bu-di\b/ ? 'l4' : 'l3' : 'l1', $mnem // ''],
+ [$ascii ? 'l0' : defined $html ? 'l4' : 'l1', $html // ''],
+ (map {
+ !$font{$_}->{-id} ? [l0 => '?'] :
+ $font{$_}->{$chr} ? [l4 => '✔'] : [l1 => '✘']
+ } @fontlist),
+ );