X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/24b8d5b432e2db690c5a8a812d75519447a09a52..3f2e8ba4921b56a70b889858772731fb92ef9847:/perl.plp

diff --git a/perl.plp b/perl.plp
index eee43cf..9591ad7 100644
--- a/perl.plp
+++ b/perl.plp
@@ -2,7 +2,7 @@
 
 Html({
 	title => 'perl version cheat sheet',
-	version => 'v1.0',
+	version => '1.1',
 	keywords => [qw'
 		perl version feature features comparison
 		sheet cheat overview summary
@@ -12,16 +12,43 @@ Html({
 });
 
 :>
-<h1>Perl cheat sheets</h1>
+<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, 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 style="position:absolute; margin-left:1em">%s</small></h2><dl>'."\n", $vernum, $verrow->{release};
-	printf '<dt><code>%s</code><dd>%s', Entity(@{$_}), '<br/>' for @{ $verrow->{new} };
-	printf '<dt>Unicode</dt><dd>v%s', $_ for $verrow->{unicode} || ();
+	printf '<h2>%vd <small>%s</small></h2><dl>'."\n", $vernum, $verrow->{release};
+	for (@{ $verrow->{new} }) {
+		if (defined (my $experimental = $_->[2])) {
+			my $title = 'experimental';
+			my $class = ' class="ex"';
+			if (ref \$experimental eq 'VSTRING') {
+				my $dropped = $experimental =~ s/^\0//
+					and (exists $get{v} or next);
+				$title = sprintf('%s %vd',
+					$dropped ? 'removed in ' : "$title until",
+					$experimental,
+				);
+				$experimental = $_->[3];  # optional additional class
+			}
+			if ($experimental) {
+				$class .= sprintf ' title="%s"', $experimental;
+			}
+			$_->[1] .= qq{ <em$class>($title)</em>};
+		}
+		printf '<dt>%s<dd>%s'."\n", @{$_}, '<br/>'
+	}
+	printf '<dt>Unicode</dt><dd>v%s'."\n", $_ for $verrow->{unicode} || ();
 	print "</dl>\n";
 	print "</div>\n\n";
 }