On Apr 15, 2011, at 11:12 , Ivan Mikhailov wrote: > Ivan, > > On Fri, 2011-04-15 at 10:14 +0200, Ivan Herman wrote: >> B.t.w., on a separate comment: in my implementation I actually generate a warning if a URI is used with an unusual (ie, non-registered) scheme. >> In most cases this is the result of a misspelling in the prefix. >> I am not sure it is worth adding that RDFa Core as a requirement, or > just have this as a good practice for RDFa processors... > > I'd prefer to see a requirement. > > I'd also require to warn if same prefix is declared via xmlns: and > @prefix for different URIs; "the mapping from @prefix must take > precedence" can masquerade errors so a document will be parsed in two > different ways by RDFa 1.1 parsers and by (my own) obsolete parsers. > Yep, having a warning for that does make a lot of sense indeed... Ivan > OTOH, if I were the initial developer of the web, I'd fill all tools > with warnings, and now the web would be an accurate, well-organized... > cemetery without any live people ;) > > Best Regards, > > Ivan Mikhailov > OpenLink Software > http://virtuoso.openlinksw.com > > > ---- Ivan Herman, W3C Semantic Web Activity Lead Home: http://www.w3.org/People/Ivan/ mobile: +31-641044153 PGP Key: http://www.ivan-herman.net/pgpkey.html FOAF: http://www.ivan-herman.net/foaf.rdf
Received on Friday, 15 April 2011 09:14:51 UTC