[whatwg] Idea: pseudo-classes :valid and :invalid for whole form?

[Mounir Lamouri]

On 01/11/2012 01:05 AM, Ian Hickson wrote:
> On Tue, 14 Jun 2011, Rafa�~B Mi�~Becki wrote:
>>
>> We already have required attribute and :valid plus :invalid classes,
>> which are nice. However some may want to display additional warning when
>> form wasn't filled correctly. Just some single warning, not specific
>> field-related. Could you consider adding form element class for such a
>> purpose?
>>
>> Example:
>> <p id="err">You've to fill all required fields</p>
>> form:invalid #err {
>> display: block;
>> }
>
> On Wed, 15 Jun 2011, Boris Zbarsky wrote:
>>
>> Yep.  I think we should do it.
>
> I've added this to the spec.

Wouldn't be interesting to have the same thing for <fieldset>?

--
Mounir