[x3d-public] X3D Java SAI. DEFs allowed to contain -?

[Leonard Daly]

John,

In the XML encoding 4.3.4 
(http://www.web3d.org/documents/specifications/19776-1/V3.3/Part01/concepts.html#DEFAndUSEAttributeSyntax), 
the first paragraph discusses DEF and USE structures. It states "[t]he 
same name-construction conventions regarding legal character 
combinations apply" where DEF is of XML type 'ID' and USE is of XML type 
'IDREF'.

If you trace through the XML definitions for ID, XML (as best as I can 
tell) allows a dash, except as a first character. I ended up at 
https://www.w3.org/TR/REC-xml/#NT-Name where the definition of 'Name' is 
made.

I am confused about the definition of USE. The 19776-1 document states 
that it is of type XML IDREF. IDREFs appear to be only usable in 
Document Type Definition as part of the ATTLIST declaration (see 
https://www.w3.org/TR/REC-xml/ or 
http://xmlwriter.net/xml_guide/attlist_declaration.shtml). I am not sure 
if 19776-1 is extending the definition to a new use or it is using the 
term incorrectly.

Leonard Daly




On 1/3/2017 8:48 PM, yottzumm at gmail.com wrote:
>
> Are DEFs allowed to contain –‘s?  If so, then there’s a problem with 
> the setConcreteDEF method.
>
> John
>
>
>
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-- 
*Leonard Daly*
3D Systems & Cloud Consultant
LA ACM SIGGRAPH Chair
President, Daly Realism - /Creating the Future/
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