W3C home > Mailing lists > Public > public-rdf-in-xhtml-tf@w3.org > February 2007

Re: [RDFa] The CLASS attribute

From: Simone Onofri <simone.onofri@gmail.com>
Date: Thu, 15 Feb 2007 00:24:47 +0100
Message-ID: <52bd7c3d0702141524l35434788g849278eec02e75f0@mail.gmail.com>
To: "Ben Adida" <ben@adida.net>
Cc: "Steven Pemberton" <steven.pemberton@cwi.nl>, "Ivan Herman" <ivan@w3.org>, "Hausenblas, Michael" <michael.hausenblas@joanneum.at>, RDFa <public-rdf-in-xhtml-tf@w3.org>, "SWD WG" <public-swd-wg@w3.org>, www-qa@w3.org

> Simone, Ivan, Steven,
> I don't want to shut down discussion, but as Chair I have to make an
> important point: the CLASS vs. ROLE decision is one that we already made
> as a group, with many discussions and many telecons. If we want to make
> progress, we need to have some deference for decisions already made
> unless there is a very good reason to overturn them. So far, I'm not
> seeing a good reason to overturn a decision, only a reason to bound it
> (triple bloat).


> Right now, the discussion is headed in the direction of "let's put
> everything back on the table." We have to be extremely wary of this
> approach. It means we have to put a hold on the Primer yet again. It
> means any question raised sends us back to the drawing board when a
> small fix might do the trick.
> After we agreed on CLASS, I spent hours correcting this issue with other
> groups (who saw my use of ROLE in an earlier Primer draft). Changing it
> back would be a huge cost again. We must realize that such a change
> would bear a huge cost, and for what benefit?
> To address specific points:
> > So, Using class with semantic meaning, this overload the current use
> > of @class.
> It's actually not overloading: Mark has explained very well how CLASS
> was meant for semantics [1], and then CSS used that as a hook for style.
> CLASS is not about style, though it can be used for style.

Thanks for clarification, all it's clear Ben.

> > So, if we use on a single page also more dialects we can have:
> >
> > ... class="mystile first-dialect second-dialect" ...
> >
> > and this is not clear also for humans and create more confusion also
> > for machines.
> If we go with namespaced classes, it actually looks quite clear to me.
> Seems like a matter of taste on this front.

I'm agree, the namespaced classes is the best way

> > It's a good idea use only "namespaced" class but if we can use a
> > specific @attribute for semantic layes, this should be the best
> > choice.
> New attributes should be used sparingly. HTML already has attributes and
> elements that provide semantics: LINK, META, REL, REV, and CLASS.
> Inventing some new attributes is causing us great pain with folks who
> don't like HTML extensibility. At the very least, we should be minimal
> in our approach and consider each new attribute carefully.

I've misspelled, so I don't think to add new attributes, but using
elements and attributes that already exist (like You wrote). Weel, all
developers and web graphics artists must know, and must be clear the
correct use of class and it's semantic meaning.

Thanks for patience and willingness for clarifications,

Received on Wednesday, 14 February 2007 23:24:56 UTC

This archive was generated by hypermail 2.4.0 : Friday, 17 January 2020 17:01:49 UTC