[whatwg] Mathematics in HTML5

Anne van Kesteren fora at annevankesteren.nl
Fri Jun 2 07:28:40 PDT 2006

Quoting White Lynx <whitelynx at operamail.com>:
>> So WHATWG doesn't really care about DTDs. (There are two people
>> involved with that though for validating.)
> This is important issue, because requirement to keep DTD accurate   
> imposes certain
> constraints on markup (for example DTD fails to catch errors like
> <a href="#top"><span><a href="#bottom">link</a></span></a>)
> therefore it is better to know in advance whether normative DTD is required
> or not (Relax NG could be more suitable as it admits more accurate   
> content models then DTD).

It's not. You do need to know how to write it though...

>> What's needed for a  specification is error handling, how it   
>> interoperates with existing
>> HTML, etc.
> All efforts will be made to keep markup clean and consistent, to   
> avoid conflicts between
> presentational HTML elements and math oriented elements and to   
> specify allowed nesting of elements properly.

You need to specify what happens when people don't do it "properly."  
Besides designing the actual language, that's probably the hardest bit.

Anne van Kesteren

More information about the whatwg mailing list