- From: Boris Zbarsky <bzbarsky@MIT.EDU>
- Date: Mon, 09 Aug 2010 15:50:27 -0400
- To: Håkon Wium Lie <howcome@opera.com>
- CC: "L. David Baron" <dbaron@dbaron.org>, www-style@w3.org
On 8/9/10 3:45 PM, Håkon Wium Lie wrote:
> Also sprach L. David Baron:
>
> >
> > no longer has the requirement (which I believe used to be in the
> > spec, and which I believe the WG agreed on) that there must be
> > whitespace around the '+' and '-' inside of calc().
> >
> > (This is needed because '-' is an identifier character in CSS, so
> > 3em-2px tokenizes as a length with number '3' and unit 'em-2px'.)
>
> So, you'd like to change:
>
> sum : product [ [ "+" | "-" ] S* product ]*;
>
> to
>
> sum : product [ [ "+" | "-" ] product ]*;
>
> ?
No, I believe what's needed is a change to:
sum : product [ S+ [ "+" | "-" ] S+ product ]*;
-Boris
Received on Monday, 9 August 2010 19:51:02 UTC