* @throws MWException
*/
function compress() {
- if ( !function_exists( 'xdiff_string_rabdiff' ) ){
+ if ( !function_exists( 'xdiff_string_rabdiff' ) ) {
throw new MWException( "Need xdiff 1.5+ support to write DiffHistoryBlob\n" );
}
if ( isset( $this->mDiffs ) ) {