Re: [css-variables] ...let's change the syntax

On Mar 17, 2014 4:28 AM, "Daniel Glazman" <> wrote:
> On 13/03/2014 04:38, Tab Atkins Jr. wrote:
>> I've been thinking.
>> At the last f2f, I proposed custom MQs and pseudo-classes.  To
>> distinguish them from CSS-defined ones, I mandated that they had to
>> start with (or perhaps just contain) an underscore character, because
>> this is a valid character that CSS is nevertheless never going to use
>> in language-defined names.
>> This, while a little ugly, seems to do the job pretty well.
> Yeah, and I was opposed to your underscore proposal because of that.
> I really found the "underscore anywhere" proposal totally opposed to
> anything we've done in the past in CSS but since there was a rather
> large consensus, I accepted it.

> If I understand correctly, we're only days from a shipping
> implementation. We've kept the variables topic on the radar for 14
> years and I am not comfortable with changing things at the last minute;
> it's highly time to deliver. Any syntactic change we make must be done
> quietly these days, because we have so much more on the radar than 6
> years ago; any change has many impacts.
If the implementer says that a minor alignment (one that doesn't change the
parsing rules anyway) will not delay - what could be the delay? If we can
resolve something in a couple of days it's a huge win for authors.

> "--" looks ok but raised some concerns.
> "_" is ugly, and not "a little" bit, but we resolved on it :-/
> To be honest, I don't think that's what framework authors or even web
> site designers were looking for. They were looking for -jquery-foo and
> -mywebsite-foo because prefixes are already well known. They don't
> care and don't want to care about our syntactic rules about idents
> starting with a hyphen or not. This has always had my preference; users
> first.
But I think that is likely a non option really, right? CSS extension rules
also day that
Is valid, but I know of no instance of anyone actually using that
(underscore as a prefixer).. Is it an option? It's certainly easy to
explain - dash prefixes for vendors, underscore prefixes for authors.

> </Daniel>

Received on Monday, 17 March 2014 13:05:48 UTC