- From: Tab Atkins Jr. <jackalmage@gmail.com>
- Date: Fri, 19 Oct 2012 12:56:08 -0700
- To: Glenn Adams <glenn@skynav.com>
- Cc: W3C Style <www-style@w3.org>
On Fri, Oct 19, 2012 at 9:26 AM, Glenn Adams <glenn@skynav.com> wrote: > should <image-set-decl> be > > <image-set-decl> = [ <image> | <string> ] <resolution> > > or > > <image-set-decl> = ( <image> | <string> ) <resolution> > > in other words, can one merely specify a <resolution> without <image> or > <string>? if so, then the prose should define what this means I think you're mistaken over the exact grammar syntax we use in CSS. () has no special meaning, and [] is just a grouping construct, not an optionality indicator. The grammar for CSS properties and values is documented in Values & Units. > also, in regard to > > Every <image-set-decl> in a given ‘image-set()’ must have a different > <resolution>, or else the function is invalid. > > what is the definition of 'different'? e.g., is 1dppx different from 96dpi? This is a genuine omission - I should say "computed resolution". ~TJ
Received on Friday, 19 October 2012 19:56:56 UTC