Re: [xlink11] integration with existing markup

/ Anne van Kesteren <fora@annevankesteren.nl> was heard to say:
| I support this comment:
|  <http://lists.w3.org/Archives/Public/www-xml-linking-comments/2005JulSep/0016>
|
| I suggest that the XLink working groups adds a section about markup language
| integration conflicts and describes that in user agents that implement both
| XLink and the language that causes the conflict XLink should be ignored. So:
|
|  <xhtml1:div xlink:href="foo" href="bar">...
|
| ... causes no conflict as the DIV element in the XHTML 1 namespace has no
| attribute HREF, but:
|
|  <xhtml1:img src="foo" xlink:href="bar" xlink:show="embed"/>
|
| ... does cause a conflict and therefore XLink must be ignored in this case.

If I understand correctly, you would like to see another criteria
added to 3.3 Application Conformance along these lines:

4. for each element processed, if the application understands the
   semantics of the element, and if that element has linking semantics
   independent of XLink, then any XLink markup on that element MUST
   be ignored.

Is that right?

If it is, I have two concerns.

First, I see no way to clearly describe "linking semantics independent
of XLink" in a way that is both abstract (since we can't know what the
markup might be) and concrete (so that we don't wind up with some
implementations that think the Foo element in XYZ markup has linking
semantics and some don't).

Second, it will require XLink applications to be non-interoperable for
those vocabularies that have linking semantics since it's likely that
not all XLink processors will know about all vocabularies.

                                        Be seeing you,
                                          norm

-- 
Norman.Walsh@Sun.COM / XML Standards Architect / Sun Microsystems, Inc.
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