Referencing the filename of an XSL file in the same file

Platform: Xalan

Is there any way I can reference the filename of a stylesheet within the
stylesheet:

<?xml-stylesheet type="text/xsl"
href="/home/httpd/html/en_GB/whelk/xsl/ticketing_venue_def.xsl"?>

I basically want to be able to put the href="...." in a comment at the top
of the post-transformation output so that I can tell which page is causing
problems when bug-fixing.

--
Philip McAllister
Web Developer, ticketingsolutions
pem@xxxxxxxxxxxxxxxxxxxxxx


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