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XML.com Xtra!
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The Email for XML.com Subscribers

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Microsoft hosts MIX, a 72-Hour Conversation About the Web !

Join Ray Ozzie, Robbie Bach, and Michael Arrington
April 30 to May 2 at the Venetian Hotel in Las Vegas.
For only $1195, register and get a free copy of Windows Vista
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Go to VisitMix.com for more information.

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Dear Reader,

Welcome to another issue of XML.com.

As a follow-up to David Orchard's recent article about versioning XML
vocabularies, Marc de Graauw shows us how to implement some of David's
ideas in a practical sense, including plenty of XSLT code to maintain
forward and backward compatibility across revisions of an XML vocabulary --
something that will become increasingly important as XML matures further.

A Smoother Change to Version 2.0:

http://www.xml.com/pub/a/2007/04/11/a-smoother-change-to-version-20.html

Recent XML.com Weblog Highlights
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Kevin Farnham, Wishing I Could Program XIM...

http://www.oreillynet.com/xml/blog/2007/04/wishing_i_could_program_xim_1.html

Yet Another Weekly Tab Sweep
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http://grok.zope.org/

grok is a new web framework built on top of Zope 3. It's interesting
enough that I may have to take a look at it; my own "Python web framework"
story begins with Bobo, the precursor to Zope -- now that was back in the day...

Bringing fabrication to the desktop:

http://arstechnica.com/articles/culture/fabathome.ars

Wanna play with the OLPC? You can using emulation on (at least) OSX:

http://www.edgargonzalez.com/2006/11/21/emulating-the-olpc-xo-on-a-mac-osx/

Finally, how about some guidelines for rational discussion?

A Code of Conduct for Effective Rational Discussion:

http://www.ukpoliticsmisc.org.uk/usenet_evidence/argument.html

As always, thanks for reading.

Kendall Clark
kendall@xml.com
Managing Editor, XML.com

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*** XML News from the XML Cover Pages by Robin Cover ***

For more information on any of these stories visit:

http://www.xml.com/pub/a/coverpage/newspage.html

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