code: function addParamsEx(node, parent, isDirective, isSubTag) {
    var exPropsName = 'paramsEx';
  
    if (!parent[exPropsName]) {
      var exPropsNode;
  
      if (isDirective || isSubTag) {
        exPropsNode = {
          type: 'nj_ex',
          ex: 'props',
          content: [node]
        };
      } else {
        exPropsNode = node;
      }
  
      exPropsNode.parentType = parent.type;
      parent[exPropsName] = exPropsNode;
    } else {
      arrayPush(parent[exPropsName].content, isDirective || isSubTag ? [node] : node.content);
    }
  }
docs: Add to the "paramsEx" property of the parent node