I neglected to copy florian on this. Florian, can you plaese confirm
this resolves your comment?
Shane McCarron wrote:
The working group resolved to integrate the editorial change as
proposed by Mark. We believe this resolves the issue as submitted.
Thanks for letting us know this was less than clear!
Shane
Mark Birbeck wrote:
Hello,
section 7 says the RDFa default prefix mapping is
http://www.w3.org/1999/xhtml/vocab# and has to be used when the
prefix but
not the colon is omitted in a CURIE. At the bottom of page 53 is
then said
that "the mapping to use with the default prefix is the current default
mapping" which would be the value of @xmlns in scope and therefore
normally
http://www.w3.org/1999/xhtml (section 4.1).
The top of that section says:
"...in RDFa the 'default prefix' mapping is
http://www.w3.org/1999/xhtml/vocab#.";
So perhaps we could make this clearer at the bottom of the section by
saying:
"the mapping to use with the default prefix is the current default
prefix mapping"
I.e., adding the word "prefix".
According to that, in Test 63 the predicate would be
http://www.w3.org/1999/xhtmlnext rather than
http://www.w3.org/1999/xhtml/vocab#next (rel=":next"). Additionally,
page 29
states that the prefix http://www.w3.org/1999/xhtml/vocab# should be
used
only for values in @rel/@rev without prefix and colon. Please
correct me if
I misunderstood this part.
"""
I'm having trouble working out what part of the spec this is referring
to, because of the page number thing.
But the intention is that the @rel/@rev values are 'tokens' that map
to a URI. In other words, they are not 'unprefixed' values that then
acquire a prefix. It just so happens that all of the 'fixed' values
map to URIs in the XHTML vocab space, but one of the tokens could just
as easily map to a URI in some other space.
The confusion probably arises because the CURIE syntax *in general*
does allow for unprefixed values, and explains how they should be
processed. But it also allows for a list of reserved values to be
defined, and that is the feature that we are using for @rel/@rev
values, and therefore why we say "the mapping to use when there is no
prefix is not defined".
Mark
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