http://apache.org/xml/features/validation/dynamic
True: The parser will validate the document if a grammar is specified in a DOCTYPE decalration.
False: Validation is determined by the state of the http://xml.org/sax/features/validation feature.
Default is false
http://apache.org/xml/features/validation/warn-on-duplicate-attdef
True: Warn on duplicate attribute declaration.
False: Do not warn on duplicate attribute declaration.
Default: true
http://apache.org/xml/features/validation/warn-on-undeclared-elemdef
True: Warn if element referenced in content model is not declared.
False: Do not warn if element referenced in content model is not declared.
Default: true
http://apache.org/xml/features/allow-java-encodings
True: Allow Java encoding names like 8859_1 in XML and text declarations.
False: Do not allow Java encoding names in XML and text declarations.
Default: false
http://apache.org/xml/features/continue-after-fatal-error
True: Continue after fatal error.
False: Stops parse on first fatal error.
Default: false