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Re: having problems with the "|" in field's element in the xs

• To: Murali Mani <mani@C...>
• Subject: Re: having problems with the "|" in field's element in the xs:key el ement
• From: ht@c... (Henry S. Thompson)
• Date: 22 May 2003 11:33:00 +0100
• Cc: Bill Riegel <BRiegel@l...>, "'xml-dev@l...'" <xml-dev@l...>
• In-reply-to: <Pine.SOL.4.33.0305200956210.3564-100000@p...>
• References: <Pine.SOL.4.33.0305200956210.3564-100000@p...>
• Sender: ht@i...
• User-agent: Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.4 (Portable Code)

Murali Mani <mani@C...> writes:

> my broad understanding is:
> 
> W3C XML-Schema requires that each field expression return one and exactly
> one value.
> 
> If we use | it may not be able to ensure this. I would assume that | is
> not allowed to be part of field..

You are allowed several alternative simple path expressions separated
by '|' for fields.  All that is required is that for each selected
element, exactly one of those alternatives matches.

ht
-- 
  Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
                      Half-time member of W3C Team
     2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
	    Fax: (44) 131 650-4587, e-mail: ht@c...
		     URL: http://www.ltg.ed.ac.uk/~ht/
 [mail really from me _always_ has this .sig -- mail without it is forged spam]

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  • Re: having problems with the "|" in field's element inthe xs:key el ement
    • From: Murali Mani <mani@C...>

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