ObjXMPP  Diff

	if ([delegate respondsToSelector: @selector(connection:didReceiveIQ:)])
		handled = [delegate connection: self
				  didReceiveIQ: iq];

	if (!handled && ![[iq type] isEqual: @"error"]
		     && ![[iq type] isEqual: @"result"]) {
		XMPPJID *from = [iq from];
		XMPPJID *to = [iq to];
		OFXMLElement *error;

		[self sendStanza: [iq errorIQWithType: @"cancel"
		[iq setType: @"error"];
		[iq setTo: from];
		[iq setFrom: to];

		error = [OFXMLElement elementWithName: @"error"];
		[error addAttributeWithName: @"type"
				stringValue: @"cancel"];
		[error addChild:
		    [OFXMLElement elementWithName: @"service-unavailable"
					    condition: @"service-unavailable"]];
					namespace: XMPP_NS_STANZAS]];
		[iq addChild: error];

		[self sendStanza: iq];
	}
}

- (void)XMPP_handleMessage: (XMPPMessage*)message
{
	if ([delegate respondsToSelector:
	     @selector(connection:didReceiveMessage:)])