[selectors] :user-invalid or :user-error

"TAMURA, Kent" <[email protected]> Fri, 24 Jun 2016 14:16:51 +0900
Newsgroups gmane.comp.web.css.general
Message-ID <CAGH7WqGuZCueTV7_D+wGRxZ80xSqk2Tuv6ychKVfKXF4_OB5PQ@mail.gmail.com>
The current draft is very confusing.

https://drafts.csswg.org/selectors-4/#user-pseudos

> 12.3.4. The User-interaction Pseudo-class: :user-invalid
> The :user-invalid pseudo-class represents ...
> The :user-error pseudo-class must ...
> :user-error match an :invalid element ...

> EXAMPLE 36
> it won’t match :user-error until ...

What is defined in this section; :user-invalid or :user-error?

-- 
TAMURA, Kent
Software Engineer, Google