rem:  return "127.0.0.1"; 
add: try { var addr =  dns.resolve(host);  return addr; } catch (ex) { debug (ex);  return null; } 
context: function dnsResolve(host) {    // call back into IOService... TODO    return "127.0.0.1";}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/01e3f7007e4bfc370c385c04821c5c21fb63d151/nsProxyAutoConfig.js/buggy/netwerk/base/src/nsProxyAutoConfig.js