}
nsXULTemplateBuilder::OnMove(nsIRDFResource* aOldSource,                             nsIRDFResource* aNewSource,                             nsIRDFResource* aProperty,                             nsIRDFNode* aTarget){    // Ignore re-entrant updates while we're building content.    if (mIsBuilding)        return NS_OK;    NS_NOTYETIMPLEMENTED("write me");	if (mCache)	{		mCache->Move(aOldSource, aNewSource, aProperty, aTarget);	}    return NS_ERROR_NOT_IMPLEMENTED;}