ObjFW  Diff

		pool = [[OFAutoreleasePool alloc] init];

		if ((![[element name] isEqual: @"OFSet"] &&
		    ![[element name] isEqual: @"OFMutableSet"]) ||
		    ![[element namespace] isEqual: OF_SERIALIZATION_NS])
			@throw [OFInvalidArgumentException
			    exceptionWithClass: [self class]
				      selector: _cmd];

		one = [OFNumber numberWithSize: 1];

		enumerator = [[element elementsForNamespace:
		    OF_SERIALIZATION_NS] objectEnumerator];
		pool2 = [[OFAutoreleasePool alloc] init];