Re: [css3-fonts] Addition of font-size: xxx-large

On Wed, Apr 18, 2012 at 1:07 AM, John Daggett <jdaggett@mozilla.com> wrote:

> Aryeh Gregor wrote:
> > Background: the idea is that document.execCommand("fontsize", false,
> > "foo") is what authors call when the user selects some text and picks
> > a size of "foo" from a drop-down.  Currently, the API supports only
> > values of 1 to 7.
>
> Right, and that's precisely where the problem lies, *not* in CSS!
>
> > Most real-world WYSIWYG editors use execCommand() sparingly if at all
> > because of lack of interop, but there are enough existing users of
> > execCommand() that we can't break them.
>
> I don't think more sensible values for fontSize will break anything here.
> Let the old, not very interoperable behavior remain, and define a new
> behavior that's a better match for CSS and more likely to be interoperable.
>

That won't work well with queryCommandValue('fontSize') which returns
values between 1 and 7.

- Ryosuke