2.38.0 (stable):

This stable version is identical to the unstable version 2.37.2.

API additions since 2.36:

* Add Node::add_child_with_new_ns().
  (Kjell Ahlstedt) Bug #737682 (Mathias Lorente)
* Add XsdSchema and XsdValidator classes. Deprecate Schema and SchemaValidator.
  Add RelaxNGSchema and RelaxNGValidator.
  (Kjell Ahlstedt) Bug #737712 (Michel Stam)
  Thanks to Tjalling Hattink, who made initial versions of the RelaxNG classes.
* Parser: Add input operator>>(std::istream& in, Parser& parser).
  (Kjell Ahlstedt) Bug #329281 (Pierre Thierry)
* Parser: Add [set|get]_include_default_attributes() and
  [set|get]_parser_options().
  (Kjell Ahlstedt) Bug #701674 (Bob Nolty)