XML Schema

[John Palmieri <johnp martianrock com>]

I'm getting a little bit of a feel for XML Schema's.  The documentation is
littered with new terminology that takes a bit getting use to.  The examples look
straight forward.  I think they are a better way to represent the shapes instead
of DTD's.  I will work on moving the widget.dtd to UrShape.schema once the C++
stuff James is doing hits the streets.  About the validator - I'm going to fiddle
around with this (note the fiddle part).  Schema's is a whole other project and
the specs are just way too complicated for us to be worrying about that.  If
anything, I might be able to squeeze something out that is tailored to our
purposes (implements only the types and tags that we use).  I suspect that libxml
will include support for this in the future since it is very useful.  One thing
that gets me is the regular expressions.  What notation of RE are they using?
Perl uses different notation from python and lex.  Are their libs for this
already? Well I don't think that we are going to have to use restrictions or
unions or any of the more complex parts of the spec so I think we can just ignore
them.  Well I'll create the schema file and see if I want to tackle validating it
also.  If we get past that we can have it automagicly create a tree to conform to
our mini-DOM interface.  Comments?

-J5