(note: topic change) Am I correct in thinking it's only a problem for @about and @resource - since @href and @src don't accept CURIEs ? This is seems like it may be the same as the http:// problem, and that we may have to pre-map all well known schemes such that ( "http:" -> "http:", "about:" -> "about:" ... ) .. ack, even if we do that the @prefix declaration would override the default wouldn't it - would we have to reserve the prefixes like xml does with xmlns, or disallow certain prefix mappings in RDFa / certain hosts? or? Best, Nathan Toby Inkster wrote: > On Tue, 8 Feb 2011 09:38:22 +0100 > Ivan Herman <ivan@w3.org> wrote: > >> On Feb 8, 2011, at 08:17 , Toby Inkster wrote: >> >>> If a consumer includes a default prefix mapping of something like: >>> >>> "about" => "http://example.com/vocab/about#" >>> >>> Then it will hit a compliance issue as soon as it sees: >>> >>> <span rel="next" resource="about:blank">this is the last >>> page</span> >> Why? I do not understand... > > OK, we're assuming that the consumer is including a mapping of: > > "about" => "http://example.com/vocab/about#" > > which is not in the host language default profile, and not specified in > the document. The intention of the document is to create the following > triple: > > <> xhv:next <about:blank> . > > And that's what a conformant RDFa implementation should produce. > However, if the implementation has that additional default mapping, > then it will produce: > > <> xhv:next <http://example.com/vocab/about#blank> . > > Nathan wrote: > >> about: isn't an IANA registered URI scheme > > Not yet, but it's an Internet Draft expected to become an RFC (and thus > a registered URI scheme). > > Besides which, we don't specify that URI schemes used in RDFa must be > registered. The following works in Turtle and I wouldn't want it to > break in RDFa: > > <#i> foaf:account <irc://irc.freenode.net/tobyink,isnick> . >Received on Tuesday, 8 February 2011 22:54:14 UTC
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