text: // plugins/indent.js
  /**
   * 首行缩进
   * @file
   * @since 1.2.6.1
   */
  
  /**
   * 缩进
   * @command indent
   * @method execCommand
   * @param { String } cmd 命令字符串
   * @example
   * ```javascript
   * editor.execCommand( 'indent' );
   * ```
   */
  UE.commands['indent'] = {
    execCommand : function() {
      var me = this,value = me.queryCommandState("indent") ? "0em" : (me.options.indentValue || '2em');
      me.execCommand('Paragraph','p',{style:'text-indent:'+ value});
    },
    queryCommandState : function() {
      var pN = domUtils.filterNodeList(this.selection.getStartElementPath(),'p h1 h2 h3 h4 h5 h6');
      return pN && pN.style.textIndent && parseInt(pN.style.textIndent) ?  1 : 0;
    }
  
  };
  