code: function( editor ) {
  
  			// Preview is not used for the inline creator.
  			if ( editor.elementMode == CKEDITOR.ELEMENT_MODE_INLINE )
  				return;
  
  			pluginPath = this.path;
  
  			editor.addCommand( pluginName, previewCmd );
  			editor.ui.addButton && editor.ui.addButton( 'Preview', {
  				label: editor.lang.preview.preview,
  				command: pluginName,
  				toolbar: 'document,40'
  			} );
  		}
docs: %REMOVE_LINE_CORE%