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Subject: RE: [xri] URITemplate processing

I don't have any more changes to make (that was it).

Unknown variable names are not empty values, but variable names in the template that are undefined by all the available rel values. We can say both left undefined and should be ignored, the same way we say that about unknown types.


> -----Original Message-----
> From: Will Norris [mailto:will@willnorris.com]
> Sent: Monday, August 31, 2009 4:42 PM
> To: XRI TC
> Subject: [xri] URITemplate processing
> Eran,
> Some time ago, you added the following sentence to the URITemplate
> section:
> > If a link contains multiple relation types with conflicting
> > vocabularies or template parsing rules, or if a template contains
> > unknown variable names, the <URITemplate> SHOULD be ignores.
> Is that the right behavior?  I was thinking that, at least for the
> first case of conflicting vocabularies, the result was simply
> undefined.  I don't think that warrants an explicit instruction that
> consumers ignore the template.  Depending on what "unknown variable
> names" means, I'm not sure that should be ignored.  If that means
> "variables which are not included in any of the corresponding
> vocabularies", then maybe ignore the template.  But if that simply
> means "variables for which there is no value provided in the input",
> then it certainly should NOT be ignored... that variable would just be
> replaced by an empty string.
> I seem to remember discussing template behavior on a fairly recent
> call, and that you were going to update that.  Do you still have
> outstanding changes on this you haven't checked in?  Or should we
> discuss this a bit more to make sure we have this language right?
> -will
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