http://xml.org/sax/features/namespaces
If true, then perform namespace processing.
If false, then, at parser option, do not perform namespace processing
access: (parsing) read-only; (not parsing) read/write
true by default
http://xml.org/sax/features/namespace-prefixes
If true, then report the original prefixed names and attributes used for namespace declarations.
If false, then do not report attributes used for namespace declarations, and optionally do not report original prefixed names.
false by default
access: (parsing) read-only; (not parsing) read/write