The same command as above executed with a feed parameter formats the xml output to a nice HTML display:

http://demo.teradp.com/Tark4/do.ashx?Cmd=search&name=folderObjectInFolders&pars=folderIds:27754,28012&feed=Display

NOTE: the configuration file search_folderObjectInFolders.xml is found in the GN4 distribution.