Source of digraphs.plp

<(common.inc.plp)><:

Html({
	title => 'digraph cheat sheet',
	version => 'v1.0',
	description => [
		"Complete table of digraph characters from RFC-1345.",
	],
	keywords => [qw'
		digraph compose character char glyph table unicode vim
	'],
	stylesheet => [qw'light'],
});

:>
<h1>RFC-1345 Digraphs</h1>

<p>i^k in <a href="/">Vim</a>.
Also see <a href="/unicode">common digraphs</a>.</p>

<p class="aside">Unofficial <span class="Xz">proposals</span>
are available as <a href="/digraphs.vim">ex commands</a>.</p>

<:
my $di = do 'digraphs.inc.pl';

my @chars = (
	[qw{! " % ' ( ) * + , - . /}],
	['0'..'9'], [qw{: ; < = > ?}],
	['A'..'M'], ['N'..'Z'],
	['a'..'m'], ['n'..'z'],
);
my @chars2 = (['_'], @chars);  # trailing character (extended set)

print '<table class="glyphs dimap"><col>';
print qq'<colgroup span="$_">' for map {scalar @$_} @chars2;
print "</colgroup><col>\n";
for my $section (qw{thead tfoot}) {
	print "<$section><tr><th>↳";
	print '<th>', EscapeHTML($_) for map {@$_} @chars2;
	print "<th>&nbsp;\n";
}
for my $c1group (@chars) {
	print '<tbody>';
	for my $c1 (@$c1group) {
		print '<tr><th>', EscapeHTML($c1);
		for my $c2 (map {@$_} @chars2) {
			my $mnem = $c1 . $c2;
			if (not defined $di->{$mnem}) {
				print '<td>';
				next;
			}
			if (ref $di->{$mnem} ne 'ARRAY') {
				printf '<td class="X Xr" title="%s">', EscapeHTML($mnem);
				next;
			}
			my ($codepoint, $name, $prop, $script, $string) = @{ $di->{$mnem} };

			my $glyph = $string || chr $codepoint;
			utf8::upgrade($glyph);  # prevent latin1 output
			my $desc = $mnem . ($name && " ($name)");
			my @class = ('X', grep {$_} $prop, $script);

			$glyph = EscapeHTML($glyph);
			$glyph = "<span>$glyph</span>" if $prop eq 'Zs';

			printf "\n".'<td class="%s" title="%s">%s',
				join(' ', @class), EscapeHTML($desc), $glyph;
		}
		print "\n<th>", EscapeHTML($c1), "\n";
	}
}
print "</table>\n";
:>
<div class="legend">
	<table class="glyphs"><tr>
	<td class="X Cc">control
	<td class="X Zs"><span>spacing</span>
	<td class="X Mn">modifier
	<td class="X Sk">spacing modifier
	<td class="X Pf">quote
	<td class="X Po">punctuation
	<td class="X So">symbol
	<td class="X Sm">math
	<td class="X Sc">currency
	<td class="X No">numeric
	<td class="X Greek">greek
	<td class="X Cyrillic">cyrillic
	<td class="X Latin">latin
	<td class="X Hebrew">hebrew
	<td class="X Arabic">arabic
	<td class="X Hangul">korean
	<td class="X Hiragana">japanese
	<td class="X Bopomofo">chinese
	</table>

	<table class="glyphs"><tr>
	<td class="X">unicode
	<td class="X Xl">latin1
	<td class="X Xa">ascii
	<td class="X Xz">proposed
	</table>
</div>