Add vendor support for :placeholder pseudo selector

[psirenny]

I'm not even sure if this is possible, but it would be awesome if writing something like this:

.button:placeholder color gray

gets converted into this:

.button::-webkit-input-placeholder, .button:-moz-placeholder, .button::-moz-placeholder, .button:-ms-input-placeholder { color: gray; }

[justgook]

+1

[optikfluffel]

:+1:

[rambul]

damn straight :) :+1:

[jamesplease]

It would be possible with something like this.

[orta-sanz]

Great @jmeas thanks :)

[jazzzz]

Wasn't it fixed with #199?