Re: [css3-values] valid rationale for not allowing spaces around '+' and '-' to be dropped

On Jul 5, 2012, at 1:51 AM, "Kang-Hao (Kenny) Lu" <kennyluck@csail.mit.edu> wrote:

> I disagree, but fine. I just hope the working group states the rationale
> in a more understandable way, such as
> 
>  "We (might want/are likely) to add the ability to use keywords in
> calc(), in order not to make people get acquainted to omitting spaces
> around '-' and hence produce invalid value like
> 'calc(auto-min-content)', we force authors to always put spaces around
> '+' and '-'."

Hmm. Seems to me only one space is needed for disambiguation. I'd prefer to make the space after the sign optional, so that one could think of it as either subtracting a positive value or making a positive value negative.