rem: if (iid.equals(Components.interfaces.nsISupportsWeakReference)) { 
add: if (iid.equals(Components.interfaces.nsISupportsWeakReference) || iid.equals(Components.interfaces.nsISupports)) { 
context:     QueryInterface: function (iid) {        if (iid.equals(Components.interfaces.nsISupportsWeakReference)) {            return this;        }        throw Components.results.NS_ERROR_NO_INTERFACE;    }
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/380b2ab5109dad6f8ae8cc17889ceb7a1baf6c58/xpctest_observer.js/buggy/js/src/xpconnect/tests/js/old/xpctest_observer.js