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RE: What does "optional" mean?

  • From: "Len Bullard" <cbullard@hiwaay.net>
  • To: "'Michael Kay'" <mike@saxonica.com>, <xml-dev@l...>
  • Date: Sun, 26 Feb 2012 21:34:07 -0600

RE:  What does "optional" mean?

An XSD wrapper document to parameterize the validation: what would that look
like?

len

From: Michael Kay [mailto:mike@saxonica.com] 


I've seen people getting into a real mess by deciding that fields were 
mandatory because the data model says there must be a value, but the 
fact that there is a value doesn't mean the value has to appear in every 
message.

<snip />

One solution to that might be to allow an XSD wrapper document 
to supply the parameters, so when you name a schema document to use for 
validation, it has the parameter values already bound.

Michael Kay
Saxonica




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