return CallChildren(SetChildForceCharacterSet, (void*) &aForceCharacterSet);
CallChildren(SetChildForceCharacterSet, (void*) &aForceCharacterSet); return NS_OK;
DocumentViewerImpl::SetForceCharacterSet(const nsACString& aForceCharacterSet){  mForceCharacterSet = aForceCharacterSet;  // now set the force char set on all children of mContainer  return CallChildren(SetChildForceCharacterSet, (void*) &aForceCharacterSet);}