Index: question/backuplib.php
===================================================================
RCS file: /cvsroot/moodle/moodle/question/backuplib.php,v
retrieving revision 1.13.2.6
diff -u -r1.13.2.6 backuplib.php
--- question/backuplib.php	18 Jun 2008 14:29:40 -0000	1.13.2.6
+++ question/backuplib.php	20 Jan 2009 01:45:13 -0000
@@ -457,7 +457,7 @@
                                        SELECT '$backup_unique_code', 'question', q.id, ''
                                        FROM {$CFG->prefix}question q, {$CFG->prefix}backup_ids bk
                                        WHERE q.category = bk.old_id AND bk.table_name = 'question_categories' 
-                                       AND bk.info = '$info'
+                                       AND " . sql_compare_text('bk.info') . " = '$info'
                                        AND bk.backup_code = '$backup_unique_code'", false);
         return $status;
     }