From 6cadcacffd76cf60739372029fb73ff333bdd6e5 Mon Sep 17 00:00:00 2001
From: Joey Hess <joey@kitenet.net>
Date: Wed, 30 Nov 2011 16:25:17 -0400
Subject: [PATCH] apply Postel's law

---
 IkiWiki/Plugin/graphviz.pm | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/IkiWiki/Plugin/graphviz.pm b/IkiWiki/Plugin/graphviz.pm
index 0889bc9fc..b9f997e04 100644
--- a/IkiWiki/Plugin/graphviz.pm
+++ b/IkiWiki/Plugin/graphviz.pm
@@ -112,7 +112,15 @@ sub graph (@) {
 		$p->handler(start => sub {
 			my %attrs=%{shift()};
 			if (exists $attrs{href}) {
-				$s.="\"$attrs{href}\"";
+				if ($s=~/href\s*=\s*"$/) {
+					$s.=$attrs{href};
+				}
+				elsif ($s=~/href\s*=\s*$/) {
+					$s.="\"$attrs{href}\"";
+				}
+				else {
+					$s.="href=\"$attrs{href}\"";
+				}
 			}
 			$nested++;
 		}, "attr");
-- 
2.26.2