• From: ht@i... (Henry S. Thompson)
• To: Frank Cusack <fcusack@r...>
• Date: Tue, 15 Jul 2008 21:55:13 +0100

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Isn't what you want just

 (child1|child2)+

in DTD-notation?

In which case, just replace the interleave with a choice and remove
the optional and you're done. . .

ht
- -- 
       Henry S. Thompson, School of Informatics, University of Edinburgh
                         Half-time member of W3C Team
      10 Crichton Street, Edinburgh EH8 9AB, SCOTLAND -- (44) 131 650-4440
                Fax: (44) 131 650-4587, e-mail: ht@i...
                       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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• Follow-Ups:
  • Re: RELAX NG require oneOrMore optional elements
    • From: Bjoern Hoehrmann <derhoermi@g...>

• References:
  • RELAX NG require oneOrMore optional elements
    • From: Frank Cusack <fcusack@r...>