[whatwg] Comments on the definition of a valid e-mail address

David Gerard dgerard at gmail.com
Sun Aug 23 12:46:55 PDT 2009

2009/8/23 Aryeh Gregor <Simetrical+w3c at gmail.com>:

>   Or just don't ban anything
> at all, like with type=tel.  type=email differs from most of the other
> types with validity constraints (like month, number, etc.) in that the
> difference between valid and invalid values is a purely pragmatic
> question (what will actually work?) that the user can often answer
> better than the application.  It doesn't seem like a good idea for the
> standard to tell users that the e-mail addresses they've actually been
> using are invalid.


The quoted portion above strikes to the heart of the matter. I suppose
the spec wants to obviate defective "email validation" JavaScript, but
any restriction will (a) break stuff the user thinks should work (b)
not stop bad web coders for a second.

- d.

More information about the whatwg mailing list