• From: Tony.Coates@r...
• To: Phil Ruelle <philr@i...>
• Date: Fri, 06 Jul 2001 17:26:28 +0100

On 06/07/2001 16:32:36 Phil Ruelle wrote:

>Can anyone tell me if it's possible to write a constraint with XML
>Schema to enforce that for an element with two child elements at
>least one of them exists? (I thought this had been asked before but
>couldn't find it in the archives)

Have a look at the attached sample.  It's not ideal, but it works when what you need is "at least one of two".  (See attached file: at-least-one.zip)

     Cheers,
          Tony.
========
Anthony B. Coates
(1) Content Distribution Architect - Project Gazelle
(2) Leader of XML Architecture & Design - Chief Technology Office
Reuters Plc, London.
tony.coates@r...
========

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at-least-one.zip

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