[relaxng-user] Trang handling of (text|element) content

[James Clark]

On Sat, 2003-10-25 at 07:36, J. David Eisenberg wrote:

> One example is a document that consists of one or more lists.
> A list consists of one or more items. Each item consists of text
> or a list.

> 1) Can I write an XML Schema that will do exactly the same thing that
>    the Relax NG does?

IIRC, no.  Content models in XSD have atoms that match elements.

> 3) I'm sure Trang's output is reasonable, but I don't understand the
>    reasoning.  Any simple explanations?

When some RELAX NG schema cannot be translated exactly into XML Schema,
Trang approximates by generalizing: it finds some XML Schema that allows
everything that the RELAX NG allows, even if some things forbidden by
the RELAX NG are not forbidden by the XML Schema.

James