const std::set<AttributePtr>& aBackRefs = data()->refsToMe();
std::set<AttributePtr>::const_iterator aBackRef = aBackRefs.begin();
for(; aBackRef != aBackRefs.end(); aBackRef++) {
const std::set<AttributePtr>& aBackRefs = data()->refsToMe();
std::set<AttributePtr>::const_iterator aBackRef = aBackRefs.begin();
for(; aBackRef != aBackRefs.end(); aBackRef++) {