how to specify a URL in a Schema?

pardon the interruption...

I am working on developing a W3C XML Schema
for the next generation of VRML
and I am trying to figure out a reasonable way
to specify that an element or attribute must be a URL...
any pointers/examples would be greatly appreciated

jeffs

--
Jeffrey Sonstein
Assistant Professor of Information Technology
Rochester Institute of Technology
=====================================
"They that give up essential liberty
   to obtain a little temporary safety
   deserve neither liberty nor safety."

Benjamin Franklin: 1759
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RIT website:               http://www.it.rit.edu/~jxs/
Public key:   http://ariadne.iz.net/~jeffs/jeffs.asc

Received on Thursday, 12 December 2002 21:22:45 UTC