Log Message:
Import p5-XML-Sablotron from pkgsrc-wip.  Packaged by Adam Migus and
modified by me.

This perl module is encapsulation of the XSLT processor called
Sablotron (textproc/sablotron).  If you don't know what is XSLT, look
at http://www.w3.org/ site.  If you don't know what is Sablotron, look
at http://www.gingerall.com/.