- From: Dean Jackson <dino@apple.com>
- Date: Sat, 18 Oct 2014 10:54:44 +1100
- To: "Tab Atkins Jr." <jackalmage@gmail.com>
- Cc: "<www-style@w3.org>" <www-style@w3.org>
> On 18 Oct 2014, at 10:53 am, Tab Atkins Jr. <jackalmage@gmail.com> wrote:
>
> On Fri, Oct 17, 2014 at 4:46 PM, Dean Jackson <dino@apple.com> wrote:
>> http://dev.w3.org/csswg/mediaqueries-4/#inverted
>>
>> The output values are listed as none | inverted, but the example is
>>
>> @media (inverted-colors) {
>>
>> }
>>
>> Maybe this should be a <mq-boolean>? Although I guess there could be some intermediate states of inversion added in the future (e.g. "only-text"). If so, even though it is obvious, it should probably be explicit stated that (inverted-colors) is the same as (inverted-colors: inverted).
>
> MQ4 explicitly states that "none" is a falsey value when evaluated in
> a boolean context. <mq-boolean> shouldn't be used for anything in the
> future, for the same reason that we don't use boolean values for CSS
> properties - we have a long history of extending previously-boolean
> things to be multi-value.
Great! I missed the bit about "none" being falsey. Thanks.
Dean
Received on Friday, 17 October 2014 23:55:19 UTC