rem: if (func) { 
add: if (func) { 
context: DWREngine._handleResponse = function(id, reply){    var func = DWREngine._callbacks[id];    // Clear this callback out of the list - we don't need it any more    DWREngine._callbacks[id] = null;    if (func)    {        // Error handlers inside here indicate an error that is nothing to do        // with DWR so we handle them differently.        try        {            func(reply);        }        catch (ex)        {            if (DWREngine._errorHandler)            {                DWREngine._errorHandler(ex);            }        }    }};
meta: 266	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/266/8402a249ca378792cd10adfab1b769c52ed0997b/engine.js/clean/java/uk/ltd/getahead/dwr/engine.js