ObjFW  Diff

						       selector: _cmd];

	OFString *old = defaultNamespace;
	defaultNamespace = [ns_ copy];
	[old release];
}

- (void)bindDefaultNamespace: (OFString*)ns_
{
	[self setDefaultNamespace: ns_];
	[self addAttributeWithName: @"xmlns"
		       stringValue: ns_];
}

- (void)addChild: (OFXMLElement*)child
{
	if (name == nil)
		@throw [OFInvalidArgumentException newWithClass: isa
						       selector: _cmd];

	if (children == nil)