code: function( editor, element ) {
  		// If editor#addRemoveFotmatFilter hasn't been executed yet value is not initialized.
  		var filters = editor._.removeFormatFilters || [];
  		for ( var i = 0; i < filters.length; i++ ) {
  			if ( filters[ i ]( element ) === false )
  				return false;
  		}
  		return true;
  	}
docs: Perform the remove format filters on the passed element. @param {CKEDITOR.editor} editor @param {CKEDITOR.dom.element} element