[Bug 12217] Documentation should be in XML and not SGML format

https://bugs.winehq.org/show_bug.cgi?id=12217

--- Comment #17 from Alexandre Julliard  ---
(In reply to Rosanne DiMesio from comment #15)
> The question I have at this point is: if I import all the guides to the
> wiki, can we get rid of the sgml versions? If the answer is no, it's not
> worth spending my time on.

No objections here.

Is there a good way to extract it back to xml or similar, in case someone wants
to ship a copy of the docs?  It's by no means a requirement, just wondering if
it's feasible.