[MTOS-dev] XML parsing

[Fumiaki Yoshimatsu]

> >  While we don't parse XML in any of the core functions, we do in:
> >
> >  * the Atompub server(s)
> >  * profile exchange for OpenID commenters
> 
> There is also the XML-RPC services and Feeds.App Lite.

Backup/Restore parses XML purely by using SAX after the advice from Tim
for the code in wheeljack branch
(It used XML::XPath originally).
WordPress Importer plugin also do in mostly the same way to parse WXR.

Fumiaki