Re: Tags v.s. Attributes

[David Carlisle]

Stefan Ram wrote:
> Peter Flynn <peter.nosp@xxxxxxxxxxxxx> writes:
> > Again, not true. <rose owner="Jack Jill Stefan"/> is the normal solution
> > to multiple parallel values, where owner is declared as IDREFS or ENTITIES.
>
>   Thank you, I was not aware of IDREFS or ENTITIES yet.
>   So, there is limited support for parallel values in XML.
>
>   One might say for »parallel /references/« (to ids or entities).
>   It seems as if it can not be used when the values are literals
>   (not references) such as numerals (numbers), for example.

That though is a restriction of DTD rather than of XML itself. Other XML 
validation languages such as XSD or Relax NG Schema, or schematron for 
exampes can all easily be used to constrain an attribute to be (for 
example) a white space separated list of integer values.

David

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