code: function( editor ) {
  		// Register the "source" command, which simply opens the "source" dialog.
  		editor.addCommand( 'sourcedialog', new CKEDITOR.dialogCommand( 'sourcedialog' ) );
  
  		// Register the "source" dialog.
  		CKEDITOR.dialog.add( 'sourcedialog', this.path + 'dialogs/sourcedialog.js' );
  
  		// If the toolbar is available, create the "Source" button.
  		if ( editor.ui.addButton ) {
  			editor.ui.addButton( 'Sourcedialog', {
  				label: editor.lang.sourcedialog.toolbar,
  				command: 'sourcedialog',
  				toolbar: 'mode,10'
  			} );
  		}
  	}
docs: %REMOVE_LINE_CORE%