[PATCH] DOCTYPE Override

Well, since Peter just couldn't leave well enough alone but just /had/ get
me started on this; here is a patch that adds a DOCTYPE override function
to the Validator. :-)


A couple of points:

* This is seriously nasty code! Testing is essential before it should
  be used in production. It's also a quick hack and it will have to be
  completely rewritten at some point. You have been warned.
* It requires HTML::Parser. The corollary being that I dump all[0] the
  nitty details on HTML::Parser so if HTML::Parser chokes on something,
  we blow up too.
* In addition to the patch, I've attached a necessary configuration
  file for mapping version names to DOCTYPE declarations.


The flip side is that HTML::Parser looks to work great (for HTML!) so we
can probably soon[1] ditch all that skanky code that deals with content
sniffing (charset, META elements, DOCTYPEs, you name it) and use
HTML::Parser callbacks instead. We're fucked if we get fed XML, of course,
but XML support isn't that great in any case. For starters we can disable
the stuff for XML and then look at using XML::Parser to provide equivalent
functionality.

XML support needs to be revised as soon as I can find a decent XML parser
that groks Schemas, but that's a whole new ball game.


Anyways, gotta go. It's 6am up here on the North Pole and I'm supposed to
be at work in two hours. I should know better then to start looking at
interesting problems after 8pm... :-(



[0] - And when I say "all" I really mean *all*. :-)
[1] - For certain odd definitions of the word.  :-)

-- 
By definition there is *no*way* any problem can be my fault. Any problems you
think you can find in my code are all in your imagination. If you continue
with such derranged imaginings then I may be forced to perform corrective
brain surgery... with an axe. - Stephen Harris <sweh@spuddy.mew.co.uk> in asr.