[whatwg] W3C compatibility

[Henri Sivonen]

On Feb 12, 2007, at 14:09, Benjamin Hawkes-Lewis wrote:

>> The practical alternative is to refuse to implement specs that
>> require legacy-incompatible changes to processing models.
>
> For browsers which have already implemented XHTML1, that seems to
> require implementing neither XHTML2-in-the-XHTML1-namespace nor XHTML5
> (cf. Anne's reply).

What's there in XHTML5 that would require breaking XHTML1 support (in  
practice, predefined class names don't break practice)?

-- 
Henri Sivonen
hsivonen at iki.fi
http://hsivonen.iki.fi/