Re: [search-ws] mixed="true" in explain

["Hammond, Tony" <t.hammond@nature.com>]

Hi Ray:

Best answer I get for this is that it could be a legacy artefact where an
original element *with* attributes was defined and string content (or
xs:token) was allowed for (i.e. not excluded). Then if any defined
attributes were subsequently removed one might be left with this ghost
construction.

Advice seems to be (as you suggested) to replace it with simple string
content.

Cheers,

Tony



On 4/2/10 22:59, "Ray Denenberg, Library of Congress" <rden@loc.gov> wrote:

> Since we may be taking over the Explain schema ... I've been in touch with
> Mike Taylor and he has disavowed any ownership, and Rob is nowhere to be
> found.  I've been studying the schema and have run into the following
> question.
> 
>   Several of the definitions look like this:
> 
> <element name='host'>
> <complexType mixed='true'>
> </complexType>
> </element>
> 
> What does it mean?
> 
> I know what mixed='true' means, so if for example, you had
> 
> <element name='host'>
> <complexType mixed='true'>
> <sequence>
> <element name="a"/>
> <element name="b"/>
> </sequence>
> </complexType>
> </element>
> 
> Then you could have an instance of element <host> that would look like:
> 
> <host>
> text preceding element a
> <a>content of element a </a>
> text between elements a and b
> <b>content of element b</b>
> text following element b
> </host>
> 
> In other words, mixed content and elements, which would not be allowed
> without mixed="true"
> 
>  But what does the first mean?  The complex definition does not define any
> elements, and it seems to me that it degenerates to nothing more than a
> string.  I've tested it out and nothing else seems to make any sense.
> 
> Anyone have any other interpretations?
> 
> --Ray
> 
> 
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