}
parts = ( mw.msg( 'word-separator' ) + mw.msg( 'brackets' ) ).split( '$1' );
- regexp = new RegExp( $.map( parts, mw.RegExp.escape ).join( '.*?' ) + '$' );
+ regexp = new RegExp( parts.map( mw.RegExp.escape ).join( '.*?' ) + '$' );
newTitle = oldTitle.replace( regexp, '' );
accessKeyLabel = getAccessKeyLabel( element );