Re: Single-line comments

> I do however suppose that the first thing an optimizer would do is to strip
> out all comments, before it starts to remove all whitespace, just like it
> works in JavaScript minification.

Exactly. I personally use // comments in my CSS and use my own CSS
minimizer script which strip out all comments, new lines, etc. to
produce 1 line CSS files. If I can do it, for sure browsers can do it.
;)