From 2b0c8d167e8b98d11e3504393fe4b98596dfd891 Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@ http://smcv.pseudorandom.co.uk/>
Date: Thu, 18 Jun 2009 18:25:46 +0100
Subject: [PATCH] pagestats: when making a tag cloud, don't emit links where
 the tag is unused

---
 IkiWiki/Plugin/pagestats.pm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/IkiWiki/Plugin/pagestats.pm b/IkiWiki/Plugin/pagestats.pm
index 8ab5d3666..5dd2f337b 100644
--- a/IkiWiki/Plugin/pagestats.pm
+++ b/IkiWiki/Plugin/pagestats.pm
@@ -63,6 +63,8 @@ sub preprocess (@) {
 
 		my $res = "<div class='pagecloud'>\n";
 		foreach my $page (sort keys %counts) {
+			next unless $counts{$page} > 0;
+
 			my $class = $classes[$counts{$page} * scalar(@classes) / ($max + 1)];
 			$res .= "<span class=\"$class\">".
 			        htmllink($params{page}, $params{destpage}, $page).
-- 
2.26.2