pg_xnode is an extension, allowing users of PostgreSQL database server to store XML documents and their parts in binary form. Such binary data can be queried and/or modified with no need to pass them to any external application or library (whether in binary or textual form).
Document Object Model (DOM) concept is used to access parts of XML documents and to modify them.
Mailing list (use also to report bugs):
pg_xnode ON googlegroups.com