nsCOMPtr<nsIContent> tmpl; nsresult		rv;
nsresult rv;
RDFGenericBuilderImpl::CreateWidgetItem(nsIContent *aElement,                                        nsIRDFResource *aProperty,                                        nsIRDFResource *aChild,                                        PRBool aNotify){	nsCOMPtr<nsIContent> tmpl;	nsresult		rv;	rv = FindTemplate(aElement, aProperty, aChild, getter_AddRefs(tmpl));    if (NS_FAILED(rv)) {        // No template. Just bail.        return NS_OK;    }    rv = BuildContentFromTemplate(tmpl, aElement, aElement, PR_TRUE, aChild, aNotify);    NS_ASSERTION(NS_SUCCEEDED(rv), "unable to build content from template");	return rv;}