code: function( editor ) {
  		editor.addCommand( 'removeFormat', CKEDITOR.plugins.removeformat.commands.removeformat );
  		editor.ui.addButton && editor.ui.addButton( 'RemoveFormat', {
  			label: editor.lang.removeformat.toolbar,
  			command: 'removeFormat',
  			toolbar: 'cleanup,10'
  		} );
  	}
docs: %REMOVE_LINE_CORE%