Re: [xml-dev] XForms

["C. M. Sperberg-McQueen" <cmsmcq@blackmesatech.com>]

On Sep 1, 2012, at 2:15 PM, Timothy Cook wrote:

> Hi All,
> 
> I am not certain that I understand the specs on the issue of
> referencing a schema.
> 
> http://www.w3.org/TR/xforms11/#structure-model
> "Within each XForms Model, there is a limit of one Schema per
> namespace declaration, including inline and linked Schemas."
> 
> Since neither inline nor linked are actually methods of incorporating
> a schema ('import' or 'include'). Does this mean that I cannot use a
> schema that has an include?

Actually, for XForms, 'inline' and 'linked' are precisely the two ways
of incorporating schemas:  the xforms:model element can hyperlink
to schema documents using the 'schema' attribute:

  <xf:model schema="http://example.com/foo/foo.xsd ..."> ...

and it can contain inline schema documents:

  <xf:model>
    ...
    <xs:schema targetNamespace="http://example.com/foo/foo.xsd";>
    ...
    </xs:schema>
    ...
  </xf:model>

I take these to be what the spec is referring to when it speaks
of schemas (or schema documents) being inline or linked.

Note, however, that XForms processors vary a bit in how fully they
support XSD.

-- 
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* C. M. Sperberg-McQueen, Black Mesa Technologies LLC
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