Subject: Re: [xsl] Re: XML / XSL Editors From: Bruce D'Arcus <bdarcus@xxxxxxxxxxxxx> Date: Thu, 6 Jan 2005 12:09:36 -0500 |
Also, i had a look at Relax NG but didn't understand what it is. It seems a alternative to Schema?
Yes. And many people believe a superior alternative. OpenOffice, DocBook and TEI -- to name just a few high profile document schemas -- are all authored in RNG.
A replacement for DTD?
However it's not a W3C standard, or is it?
I like RNG because it's easy to learn (before learning it, I didn't even know how to write a DTD), but is more powerful (for what I do) than XML Schema. Simple examples:
in RNG, you can condition validation on attributes; in XSD you cannot in RNG you can validate irrespective of element order; in XSD you cannot
The other thing I like about RNG is Trang, which is a tool that allows you to convert RNG schemas to XSD or DTD (assuming you don't use RNG-only features, of course).
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