• From: "Andrew Welch" <andrew.j.welch@g...>
• To: "Paul Hermans" <paul.hermans@a...>
• Date: Fri, 25 Jul 2008 12:57:54 +0100

>  This is fine for instance elements such as:
>  <a xml:lang="en">abcdefg</a>
>
>  But in one case I need to have following model:
>  <a>
>    <b>2008-12-12</b>
>    <c>2008-12-14</c> <!-- optional -->
>  </a>

Instead of extending a text only type to allow elements, you might
find it better to restrict a type that allows elements to only allow
text.

In 1.1 you can just define two separate types, 1 for each variation,
and then switch between them using xs:alternative (available now in
Saxon SA)

http://ajwelch.blogspot.com/2008/07/validating-co-constrains-in-xml-schema.html


-- 
Andrew Welch
http://andrewjwelch.com
Kernow: http://kernowforsaxon.sf.net/

• References:
  • XML Schema: Extension and Restriction from a Mixed Complex Type Base Type
    • From: "Paul Hermans" <paul.hermans@a...>