[whatwg] Interaction between @multiple, @pattern and @list

[Jonas Sicking]

On Fri, Oct 1, 2010 at 10:07 PM, Mounir Lamouri
<mounir.lamouri at gmail.com> wrote:
> On 10/01/2010 05:11 PM, Jonas Sicking wrote:
>> I suggest that when pattern and multiple are both applied on a
>> control, that the pattern is applied to each individual component of
>> the value, rather than the value as a whole.
>
> That makes sense. However,this is removing some possibilities with the
> pattern attribute. For example, the author wouldn't be able to ask for
> different emails with at least one from company A and company B. In
> addition, asking for "at least x emails", "exactly y emails" or "maximum
> z emails" wouldn't be possible.
> Though, the former case doesn't sound to be important and the later
> would be better with new attributes like minentries and maxentries.

I suspect this is a much less common use case. I think it'd be fine to
make people use javascript together with setCustomValidity() to handle
that.

/ Jonas