Re: CSS Variables Draft Proposal

On Mon, Feb 14, 2011 at 2:02 PM, L. David Baron <> wrote:
> On Monday 2011-02-14 16:28 -0500, Boris Zbarsky wrote:
>> Offhand, I wouldn't be willing to claim that the same string is
>> always treated as the same kind of "value" in Gecko, even.  It might
>> well be context-dependent.  I'm not saying that's the case; just
>> that nothing ensures that it's not.
> A few cases where it's not in Gecko, described mostly in terms of
> the value types in
> and elsewhere in CSS 2.1:

Right, I'm well aware that there's massive ambiguity problems with
trying to determine the type of a value simply from the value.

Anyway, I think the distinctions I want to make are captured at the
end of the draft, in the "Stricter Requirements on Variable Syntax"
section.  I need to nail down syntax for each, but the intent should
be clear.

>> I agree that a raw token stream may not be the right thing due to
>> things like:
>>   @var foo 255, 255);
>> which could add pretty oddly if $foo is used like so:
>>   color: rgb(0, $foo, 0);
> FWIW, what I'd want is a token stream that has balanced (), {}, and
> [], and of course no ; at top-level (not within the (), {}, or []).



Received on Monday, 14 February 2011 23:31:27 UTC