#import "NSCharacterSetAdditions.h"

@implementation NSCharacterSet (Additions)
+ (NSCharacterSet *) illegalXMLCharacterSet {
	NSMutableCharacterSet *illegalSet = [[NSCharacterSet characterSetWithRange:NSMakeRange( 0, 0x1f )] mutableCopy];

	[illegalSet removeCharactersInRange:NSMakeRange( 0x09, 1 )];

	[illegalSet addCharactersInRange:NSMakeRange( 0x7f, 1 )];
	[illegalSet addCharactersInRange:NSMakeRange( 0xfffe, 1 )];
	[illegalSet addCharactersInRange:NSMakeRange( 0xffff, 1 )];

	return [illegalSet autorelease];
}
@end