• From: Rick JELLIFFE <ricko@g...>
• To: xml-dev@l...
• Date: Sat, 24 Jun 2000 18:38:50 +0800

 (Cut and paste answer, corrected for prefixes)
 
 You can use the Schematron open source schema language, which is
 specifically aimed for the 1001 non-regular constraints that real data
 requires.
 
 Off the top of my head, the appropriate schema would look something
like
 this:
 
 <sch:schema  xmlns:sch="http://www.ascc.net/xml/schematron">
 <sch:pattern>
  <sch:rule context="/*">
     <sch:assert test="/X">The document should start with an X
 element.</sch:assert>
  </sch:rule>
 </sch:pattern> 
 </sch:schema>
 
Schematron home page at
http://www.ascc.net/xml/resource/schematron/schematron.html

Rick Jelliffe

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• References:
  • RE: Which elements can be root elements?
    • From: "Simon St.Laurent" <simonstl@s...>
  • Re: Which elements can be root elements?
    • From: Rick JELLIFFE <ricko@g...>

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