It falls back to funky escaping that causes problems and is not reversible, so temporarily disabling.

git-svn-id: https://develop.svn.wordpress.org/trunk@2737 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/wp-db.php

@@ -77,6 +77,7 @@ class wpdb {
 	//	Format a string correctly for safe insert under all PHP conditions
 	
 	function escape($string) {
+		return addslashes( $string ); // Disable rest for now, causing problems
 		if( !$this->dbh || version_compare( phpversion(), '4.3.0' ) == '-1' )
 			return mysql_escape_string( $string );
 		else