[whatwg] A mechanism to improve form autofill

[Aryeh Gregor]

On Thu, Jul 26, 2012 at 11:52 AM, Smylers <Smylers at stripey.com> wrote:
> Perhaps specifying certain autocomplete types could set defaults for
> pattern and inputmode? So for this example autocomplete=cc-num would, if
> pattern isn't specified, imply pattern=\d{16}, and equivalently for
> inputmode?

That would be surprising, because autocomplete is just a hint, while
pattern doesn't allow form submission if it's not met.  Also, I
couldn't swear to you that all credit card numbers are actually 16
digits, or that they will forever be 16 digits, so I'm hesitant to
make that connection canonical.