[html5] 答复: html 5 dtd
caoyp at cn.fujitsu.com
Tue Mar 10 17:32:00 PDT 2009
> No formal DTD exists, but you can create your own custom DTD for your
> I would also like to know why an html 5 dtd cannot be created? After
> reading the specification, it appears that html 5 will contain tags and
> attributes. Furthermore, it appears that opening/closing tags are still
> part of the specification. Can't the html 4 dtd be modified to
> accommodate html 5?
> There's no official formal schema for HTML5 because we have found that
>providing an official formal schema leads to people using that schema even
>if it is buggy, never considering writing their own. By not having an
>official formal schema, we have found that implementors are more likely to
>write their own code, competing on quality.
Basically, a schema is code, just like a C++ implementation of the parsing
model would be code, and just as it is unusual for a spec to have C++
code, it should (IMHO) be unusual for a spec to have formal schemas.
However, you are welcome to create your own formal schema implementations
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