From be1d97c0bd495fe876853d7d7f6eb42041867649 Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@debian.org>
Date: Tue, 6 Apr 2010 00:58:55 +0100
Subject: [PATCH] Only store titlesort in meta pagestate if it differs from
 title

---
 IkiWiki/Plugin/meta.pm | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index 553f93455..7f19b46a3 100644
--- a/IkiWiki/Plugin/meta.pm
+++ b/IkiWiki/Plugin/meta.pm
@@ -88,13 +88,18 @@ sub preprocess (@) {
 
 	# Metadata collection that needs to happen during the scan pass.
 	if ($key eq 'title') {
-		$pagestate{$page}{meta}{title}=HTML::Entities::encode_numeric($value);
+		my $encoded = HTML::Entities::encode_numeric($value);
+		$pagestate{$page}{meta}{title} = $encoded;
+
 		if (exists $params{sortas}) {
 			$pagestate{$page}{meta}{titlesort}=$params{sortas};
 		}
-		else {
+		elsif ($encoded ne $value) {
 			$pagestate{$page}{meta}{titlesort}=$value;
 		}
+		else {
+			delete $pagestate{$page}{meta}{titlesort};
+		}
 		return "";
 	}
 	elsif ($key eq 'description') {
-- 
2.26.2