rem: if(!aPath) { 
add: if (!aPath) { 
context: parent   : function (aPath) {  if(!aPath) {    jslibError(null, "(no path defined)", "NS_ERROR_INVALID_ARG", JS_FILEUTILS_FILE+":parent");    return null;  }  var rv;  try {     var fileInst            = new JS_FILEUTILS_FilePath(aPath);    if(!fileInst.exists()) {      jslibError(null, "(file doesn't exist)", "NS_ERROR_FAILURE", JS_FILEUTILS_FILE+":parent");      return null;    }    if(fileInst.isFile())      rv=fileInst.parent.path;    else if(fileInst.isDirectory())      rv=fileInst.path;    else      rv=null;  }  catch (e) {     jslibError(e, "(problem getting file instance)", "NS_ERROR_UNEXPECTED", JS_FILEUTILS_FILE+":parent");    rv=null;  }  return rv;},
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/ad31f8ed11639845cff55b2a989a1a6243a89a9b/fileUtils.js/clean/calendar/resources/content/jslib/io/fileUtils.js