Mark Birbeck wrote: > Hi Ivan, > >> - HTML4 is not in XML, right? I just wonder whether the very DOM >> oriented processing steps would be appropriate. What seems to be >> relatively straightforward is an XHTML1.0+RDFa, the question is whether >> doing the corresponding DTD would be that easy. > > I think XHTML+RDFa is easier to define...that's true. And in terms of > processing RDFa on a server, it's also slightly easier to implement > than HTML+RDFa, because you can use XML tools. > > But a consequence of XHTML not being 'standard' across browsers, is > that there is no difference between implementing an XHTML+RDFa and an > HTML+RDFa parser. > > This is because, although an enormous number of documents are created > as XHTML on the server, they are delivered to the client as > "text/html", which will switch the browser into HTML mode. So anyone > writing a client-side parser for XHTML+RDFa is almost certainly going > to have to write it so that it works in 'HTML mode'. > Well... my implementation starts with an XML parser, and does everything on the resulting DOM tree. Ie, it will not work on an HTML+RDFa version unless it is proper XML... :-( Ivan > (Which is incidentally why I used the DOM idea to define the > processing, because it works with both HTML DOMs and XHTML DOMs.) > > I'm not saying anything here about the original question -- I think > we'll get to the HTML+RDFa side when we're ready. I'm merely pointing > out that technically it's a no-brainer, because we took care to make > sure that this was so. As Shane says, the only piece missing to create > an HTML+RDFa Syntax is a way to set the prefix mappings. (And even > then, that's only because it seems odd to use the @xmlns mechanism in > HTML.) > > >> - The real issue is, however, HTML5. And that is only where a crystal >> ball would help:-) > > Indeed. :) > > Regards, > > Mark > -- Ivan Herman, W3C Semantic Web Activity Lead Home: http://www.w3.org/People/Ivan/ PGP Key: http://www.ivan-herman.net/pgpkey.html FOAF: http://www.ivan-herman.net/foaf.rdf
Received on Tuesday, 29 January 2008 10:48:19 UTC