From: thepurpleblob <thepurpleblob>
Date: Fri, 19 Sep 2008 10:01:47 +0000 (+0000)
Subject: MDL-16570
X-Git-Url: http://git.mjollnir.org/gw?a=commitdiff_plain;h=3695cfa93f351dc3b9e2f0d8c7ade222bd952596;p=moodle.git

MDL-16570
Use CDATA sections for text where required. More readable and less error
prone.

Merged from MOODLE_19_STABLE
---

diff --git a/question/format/xml/format.php b/question/format/xml/format.php
index df5a6aaf6a..8f8edad9cf 100755
--- a/question/format/xml/format.php
+++ b/question/format/xml/format.php
@@ -692,8 +692,10 @@ class qformat_xml extends qformat_default {
     function writetext( $raw, $ilev=0, $short=true) {
         $indent = str_repeat( "  ",$ilev );
 
-        // encode the text to 'disguise' HTML content 
-        $raw = htmlspecialchars( $raw );
+        // if required add CDATA tags
+        if (!empty($raw) and (htmlspecialchars($raw)!=$raw)) {
+            $raw = "<![CDATA[$raw]]>";
+        }
 
         if ($short) {
             $xml = "$indent<text>$raw</text>\n";