- From: Tab Atkins Jr. <jackalmage@gmail.com>
- Date: Thu, 19 Mar 2015 17:07:37 -0700
- To: fantasai <fantasai.lists@inkedblade.net>
- Cc: www-style list <www-style@w3.org>
On Thu, Mar 19, 2015 at 4:00 PM, fantasai <fantasai.lists@inkedblade.net> wrote: > On 01/15/2015 07:38 PM, Bjoern Hoehrmann wrote: >> >> * Tab Atkins Jr. wrote: >>> >>> I propose that we allow this by adding a >>> "supports(<supports-condition>)" function to the end @import grammar, >>> like: >>> >>> ``` >>> @import [ <url> | <string> ] [ <media-query-list> || >>> supports(<supports-condition>) ]? ; >>> ``` >> >> >> If I am not mistaken, that would not really be at the end, and I am not >> thrilled about >> >> @import url(...) a, b supports(...); >> @import url(...) supports(...) a, b; >> >> since white space usually binds more tightly than the comma, so it looks >> as though `supports` binds to the `b` in the first example and to `a` in >> the second example. Also >> >> @import url(...) not screen supports(...); >> >> seems awkward at first glance, and people might then be tempted to write >> >> @import url(...) not supports(...); >> >> which looks plausible but does not seem supported by the proposal. > > > I think this is a fair point. Do you have an alternate suggestion for > syntax? We decided on: @import <url> [ supports(<supports-condition>) ]? <media-query-list>? ; This uses positioning to keep them clearer, and keeps all the space-delimited bits together, so the MQ can trail off at the end on its own, similar to the font shorthand. ~TJ
Received on Friday, 20 March 2015 00:08:25 UTC