Source of perl.plp

<(common.inc.plp)><:

Html({
	title => 'perl version cheat sheet',
	version => '1.2',
	keywords => [qw'
		perl version feature features comparison
		sheet cheat overview summary
	'],
	stylesheet => [qw'light dark red'],
	data => ['perl.inc.pl'],
});

:>
<h1>Perl release summary</h1>

<p>The most significant features introduced for recent versions of the Perl scripting language.
Depending on desired compatibility you'll want to support a minimum of
<span title="on dinosaur platforms such as Solaris 10, AIX 5.2, RHEL 3, SLES 8">v5.8</span> or
<span title="on stable servers such as Debian wheezy, Ubuntu 12.04, CentOS 7">v5.14</span>.
</p>

<:
my $info = do 'perl.inc.pl' or die $@ // $!;
for my $vernum (reverse sort keys %{$info}) {
	my $verrow = $info->{$vernum};
	$verrow->{unstable} and next unless exists $get{v};

	print '<div class="section">'."\n";
	printf '<h2>%vd <small>%s</small></h2><dl>'."\n", $vernum, $verrow->{release};
	for (@{ $verrow->{new} }) {
		my ($topic, $desc, $attr) = @{$_};
		if ($attr) {
			my $title;
			if (defined $attr->{experimental}) {
				$title = 'experimental';
			}
			if ($attr->{dropped}) {
				next unless exists $get{v};
				$title = sprintf 'removed in %vd', $attr->{dropped};
			}
			elsif ($attr->{stable}) {
				$title .= sprintf ' until %vd', $attr->{stable};
			}
			if ($attr->{experimental}) {
				$title = sprintf '<span title="experimental::%s">%s</span>',
					$attr->{experimental}, $title;
			}
			if ($attr->{feature}) {
				$title = sprintf('<span title="%s">feature</span>', $attr->{feature})
					. (defined $title && ", $title");
			}
			$desc .= sprintf ' <em class="ex">(%s)</em>', $title;
		}
		printf '<dt>%s<dd>%s'."\n", $topic, $desc || '<br/>';
	}
	printf '<dt>Unicode</dt><dd>v%s'."\n", $_ for $verrow->{unicode} || ();
	print "</dl>\n";
	print "</div>\n\n";
}