rem: this.setServiceName(serviceName); 
add: if (serviceName != null) { this.setServiceName(serviceName); } 
context: function(url, serviceName){  qx.core.Target.call(this);  this.setUrl(url);  this.setServiceName(serviceName);});
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/fe4b41c68b8c585ffb4c58069066575cfc3acc31/Rpc.js/clean/qooxdoo/source/script/qx/io/remote/Rpc.js