rem: get _ios() { if (!this.__ios) this.__ios = Cc["@mozilla.org/network/io-service;1"]. getService(Ci.nsIIOService); return this.__ios; 
add: get isXML() { return this._isXML; 
context:   get _ios() {    if (!this.__ios)      this.__ios = Cc["@mozilla.org/network/io-service;1"].                   getService(Ci.nsIIOService);    return this.__ios;  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9421/29e90a520865eb865291bb9bdc8cdc2eb724725a/nsMicrosummaryService.js/buggy/browser/components/microsummaries/src/nsMicrosummaryService.js