From 1e7df7fbab8a03468a1697240e92f67c82dadced Mon Sep 17 00:00:00 2001
From: Sarven Capadisli <csarven@status.net>
Date: Wed, 30 Sep 2009 10:53:04 +0000
Subject: [PATCH] Better check to see if the XML prolog should be outputted for
 XML documents i.e., if best mimetype is */*xml, then use the XML prolog.

---
 lib/htmloutputter.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/htmloutputter.php b/lib/htmloutputter.php
index 99f956545b..64be745beb 100644
--- a/lib/htmloutputter.php
+++ b/lib/htmloutputter.php
@@ -109,8 +109,8 @@ class HTMLOutputter extends XMLOutputter
         header('Content-Type: '.$type.'; charset=UTF-8');
 
         $this->extraHeaders();
-        if( ! substr($type,0,strlen('text/html'))=='text/html' ){
-            // Browsers don't like it when <?xml it output for non-xhtml documents
+        if (preg_match("/.*\/.*xml/", $type)) {
+            // Required for XML documents
             $this->xw->startDocument('1.0', 'UTF-8');
         }
         $this->xw->writeDTD('html',