[whatwg] A few questions on HTML5

Bronislav Klučka Bronislav.Klucka at bauglir.com
Tue Jan 3 02:45:13 PST 2012


On 3.1.2012 10:32, Mani wrote:
> I had a few quick questions on HTML5 (I have been looking at it for
> about a month now, and I am fascinated by the possibilities).
I do not want to be rude, but such questions does not belong here, this 
is not generic or Q&A forum, this is spec. designers technical 
discussion group.
> 1. I believe HTML5 will use no DTD, is that right? So there will be
> rules for HTML5 processors (browsers) that they should follow? Can you
> also comment as to why?? (I believe the reason is to support not
> well-formed HTML and still not contradict other standards.??)

HTML5 is self contained language, not based on SGML or XML. The reason 
is simply due to historical baggages, which are not according to 
specification yet which are industry standarts. WHATWG recognized the 
fact that some structures may be invalid according to SGML/XML, but 
still can be useful / the most obvious / etc. solutions. So WHATWG 
simply took the reality existing on the web for 2 decades and created 
(is creating) language, that will be completely specified and backward 
To put it simply, HTML has begun to be too large and important to be 
bound by certain constraining rules.

> 2. Will XHTML5 have a DTD, because XHTML5 must be well-formed?

> I will have a couple of more questions based on these responses.
You can find lot of answers by reading specification and other resources

Spec: http://dev.w3.org/html5/spec/spec.html
Differences from HTML4: http://dev.w3.org/html5/html4-differences/
Guide for developers: http://dev.w3.org/html5/html-author/
HTML5 Design principles: http://dev.w3.org/html5/html-design-principles/

Bronislav Klucka

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