[whatwg] W3C compatibility
Henri Sivonen
hsivonen at iki.fi
Mon Feb 12 06:25:24 PST 2007
On Feb 12, 2007, at 16:01, Benjamin Hawkes-Lewis wrote:
> Henri Sivonen wrote:
>
>> What's there in XHTML5 that would require breaking XHTML1 support (in
>> practice, predefined class names don't break practice)?
>
> That depends on whether any behaviour/presentation is specified for
> class names.
>
> Any AT or talking browser relying on <abbr> vs <acronym> as a
> pronunciation guideline is going to be broken by XHTML5's ditching of
> <acronym>:
That doesn't forbid UAs from supporting <acronym>.
> http://www.sidar.org/funacti/inves/resul.php
I don't understand Spanish well enough to see what line of argument
the page is supporting.
The only notable difference with/without markup that I see is on the
row that covers Jaws 3.7 in English on an obsolete system.
> Likewise, any document mapping using <h1> to <h6> to build hierarchies
> in a simple manner is going to be thrown by XHTML5's reuse of such
> headings for subtitles and by markup like:
>
> <body>
> <h4>Apples</h4>
> <p>Apples are fruit.</p>
> <section>
> <h2>Taste</h2>
> <p>They taste lovely.</p>
> <h6>Sweet</h6>
> <p>Red apples are sweeter than green ones.</p>
> <h1>Color</h1>
> <p>Apples come in various colors.</p>
> </section>
> </body>
>
> to use an example out of the spec.
That's not an XHTML 1.x document, so it isn't example of XHTML5
processing rules breaking legacy content.
--
Henri Sivonen
hsivonen at iki.fi
http://hsivonen.iki.fi/
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