* Henry S. Thompson wrote:
>-----BEGIN PGP SIGNED MESSAGE-----
>Hash: SHA1
>
>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. . .
No, that allows child1 and child2 to occur more than once. Consider the
syntax of many CSS properties, e.g., border properties take one or more
of style, width, and color; but each of them only once.
--
Björn Höhrmann · mailto: · http://bjoern.hoehrmann.de
Weinh. Str. 22 · Telefon: +49(0)621/4309674 · http://www.bjoernsworld.de
68309 Mannheim · PGP Pub. KeyID: 0xA4357E78 · http://www.websitedev.de/
