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- From: Paul Prescod <paul@prescod.net>
- To: xml-dev <xml-dev@ic.ac.uk>
- Date: Sun, 16 May 1999 08:51:47 -0500
Leigh Dodds wrote:
>
> Basically I want to say that a tag should:
>
> 1. Contain #PCDATA, *OR*
> 2. an optional tag X followed by zero or more occurences of tag Y
>
> I had thought something like : (#PCDATA|(X?, Y*)
> but that doesn't seem to parse.
This is disallowed in XML for historical reasons. In a recent message
entitled "Mixed content considered harmful" (May 10), I proposed that this
should change in the move to XML Schemas.
--
Paul Prescod - ISOGEN Consulting Engineer speaking for only himself
http://itrc.uwaterloo.ca/~papresco
Earth will soon support only survivor species -- dandelions, roaches,
lizards, thistles, crows, rats. Not to mention 10 billion humans.
- Planet of the Weeds, Harper's Magazine, October 1998
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