From 249651154697809d1e13e52b6a895eb59a3748bd Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Fri, 6 Feb 2015 05:16:29 +0100
Subject: [PATCH] browser: format markup in notes

Code and links are encoded with Markdown syntax in recent caniuse comments.
Some simple regular expressions will suffice for this subset.
---
 browser.plp | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/browser.plp b/browser.plp
index 85ee802..8b51522 100644
--- a/browser.plp
+++ b/browser.plp
@@ -293,6 +293,18 @@ sub featurescore {
 	return $rank;
 }
 
+sub formatnotes {
+	my @html = @_;
+	for (@html) {
+		s/\h* $//gmx;  # trailing whitespace
+		s/(?<= [^.\n]) $/./gmx;  # consistently end each line by a period
+		Entity($_);
+		s{  ` ([^`]*)  ` }{<code>$1</code>}gx;
+		s{ \[ ([^]]*) \] \( ([^)]*) \) }{<a href="$2">$1</a>}gx;
+	}
+	return @html;
+}
+
 sub saytitlecol {
 	my ($id) = @_;
 	my $row = $caniuse->{data}->{$id};
@@ -313,9 +325,8 @@ sub saytitlecol {
 		);
 	} $row->{title};
 	print '<div class=aside>';
-	s/\.?$/./, print "<p>$_</p>" for map { ref $_ ? @$_ : $_ || () }
-		Entity($row->{description}),
-		map { s/\s*\n/\n<br>/g; $_ } $row->{notes};
+	print "<p>$_</p>"
+		for formatnotes($row->{description}, $row->{notes} || ());
 	printf 'Resources: %s.', join(', ', map {
 		sprintf '<a href="%s">%s</a>', EscapeHTML($_->{url}), $_->{title}
 	} @$_) for grep { @$_ } $row->{links} // ();
-- 
2.30.0