Brett_Tabke - 2:14 am on Apr 20, 2001 (gmt 0)

It parses the XML doc type out of the document, then points the validator at the catalog file in one of these sub directories:

cr-mat~1 <DIR> 04-01-01 9:55a CR-MathML2-20001113 
iso-html <DIR> 04-01-01 9:55a ISO-HTML 
pr-htm~1 <DIR> 04-01-01 9:55a PR-html40-19990824 
pr-xht~1 <DIR> 04-01-01 9:55a PR-xhtml1-19990824 
pr-xht~2 <DIR> 04-01-01 9:55a PR-xhtml1-19991210 
rec-ht~1 <DIR> 04-01-01 9:55a REC-html40-19980424 
rec-ht~2 <DIR> 04-01-01 9:55a REC-html40-971218 
rec-ht~3 <DIR> 04-01-01 9:55a REC-html401-19991224 
rec-xh~1 <DIR> 04-01-01 9:55a REC-xhtml1-20000126 
wd-htm~1 <DIR> 04-01-01 9:55a WD-html-in-xml-19981205 
wd-htm~2 <DIR> 04-01-01 9:55a WD-html-in-xml-19990224 
wd-htm~3 <DIR> 04-01-01 9:56a WD-html-in-xml-19990304 
wd-htm~4 <DIR> 04-01-01 9:56a WD-html40-970708 
wd-htm~5 <DIR> 04-01-01 9:56a WD-html40-970917 
wd-xht~1 <DIR> 04-01-01 9:56a WD-xhtml1-19991124 
cougar  <DIR> 04-01-01 9:56a cougar 
mod  <DIR> 04-01-01 9:56a mod 
old  <DIR> 04-01-01 9:56a old 
pro  <DIR> 04-01-01 9:56a pro 
sp-1 3 <DIR> 04-01-01 9:56a sp-1.3 
spyglass <DIR> 04-01-01 9:56a spyglass