From c0ffeb396984f71dfb375cd9b91b193a9f97e2a5 Mon Sep 17 00:00:00 2001
From: tjhunt <tjhunt>
Date: Tue, 27 May 2008 13:42:27 +0000
Subject: [PATCH] MDL-14764 - Imported multichoice questions may have a blank
 answernumbering value, which results in an "ERR" prefix to all answers' text.
 Thanks to Nate H for the fix.

---
 question/format/xml/format.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/question/format/xml/format.php b/question/format/xml/format.php
index 6d1f3e4ee5..62da62affa 100755
--- a/question/format/xml/format.php
+++ b/question/format/xml/format.php
@@ -180,7 +180,12 @@ class qformat_xml extends qformat_default {
         $qo->correctfeedback = $this->getpath( $question, array('#','correctfeedback',0,'#','text',0,'#'), '', true );
         $qo->partiallycorrectfeedback = $this->getpath( $question, array('#','partiallycorrectfeedback',0,'#','text',0,'#'), '', true );
         $qo->incorrectfeedback = $this->getpath( $question, array('#','incorrectfeedback',0,'#','text',0,'#'), '', true );
-        
+
+        // There was a time on the 1.8 branch when it could output an empty answernumbering tag, so fix up any found.
+        if (empty($qo->answernumbering)) {
+            $qo->answernumbering = 'abc';
+        }
+
         // run through the answers
         $answers = $question['#']['answer'];  
         $a_count = 0;
-- 
2.39.5