Returns an NSXMLDTDNode object initialized with the DTD declaration in a given string.
Original signature is '- (id)initWithXMLString:(NSString *)string'
Available in Mac OS X v10.4 and later.


- string (NSString)
- The DTD declaration.

An NSXMLDTDNode object initialized with the DTD declaration in string. Returns nil if initialization did not succeed, as might occur if the passed-in declaration is malformed.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)