else if (n == 1) return YES;
else goto FAIL;
} else if ([o isKindOfClass:[NSString class]]) {
- NSString *s = (NSString *) o;
+ NSString *s = [((NSString *) o) lowercaseString];
if ([s isEqualToString:@"true"] ||
[s isEqualToString:@"yes"] ||
[s isEqualToString:@"1"])