- dtd(+Type, -DTD) is det
- DTD is a DTD object created from the file
dtd(Type). Loaded DTD objects are cached. Note that DTD objects may not be shared between threads. Therefore, dtd/2 maintains the pool of DTD objects using a thread_local predicate. DTD objects are destroyed if a thread terminates.- Errors
- -
existence_error(source_sink, dtd(Type))