[gdome]ownerElement of libxml2 namespace

["T.J. Mather" <tjmather tjmather com>]

Hi,

This might be more of a question for the xml gnome org mailing list, but I 
thought I would try it here first, since it relates to gdome2.

It would be useful to have to have an additional member of the xmlNs 
struct in libxml2:

struct _xmlNode		*elem;   /* owner Element */

It would be useful for two purposes in libgdome:

1. For completing the XPath module.  One of the attributes of 
XPathNamespace is ownerElement: