rem: treeeitem.appendChild(treerow); 
add: treeitem.appendChild(treerow); 
context: function AppendStringToTreelist(tree, string){  if (tree)  {    var treechildren = tree.firstChild;    if (!treechildren)    {      treechildren = document.createElement("treechildren");      if (treechildren)        tree.appendChild(treechildren);      else      {dump("Failed to create <treechildren>\n");        return null;      }    }    var treeitem = document.createElement("treeitem");    var treerow = document.createElement("treerow");    var treecell = document.createElement("treecell");    if (treeitem && treerow && treecell)    {      treerow.appendChild(treecell);      treeeitem.appendChild(treerow);      treechildren.appendChild(treeitem)      treecell.setAttribute("value", string);      return menuItem;    }  }  return null;}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/371c750504c530471dd186b90dde9da478c22440/EdDialogCommon.js/clean/editor/ui/dialogs/content/EdDialogCommon.js