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Re: [mediaqueries] Use custom media queries in custom media query definitions?

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Tue, 14 Apr 2015 13:00:43 -0700
Message-ID: <CAAWBYDDFHd8MmP=L8m0aetWLsYwjn_fzKHR5MQehVo4u2JH_fw@mail.gmail.com>
To: Florian Rivoal <florian@rivoal.net>
Cc: Glen Huang <curvedmark@gmail.com>, www-style list <www-style@w3.org>
On Tue, Apr 14, 2015 at 9:21 AM, Florian Rivoal <florian@rivoal.net> wrote:
>> On 13 Apr 2015, at 04:14, Glen Huang <curvedmark@gmail.com> wrote:
>> The spec didn't say if this is possible:
>>
>> @custom-media --foo (width < 10em);
>> @custom-media --bar (--foo);
>>
>> And what happens when there are circular references:
>>
>> @custom-media --foo (--foo);
>> @custom-media --bar (--baz);
>> @custom-media --baz (--bar);
>>
>> I hope reusing custom media queries is possible, and circular references evaluate to false.
>
> I agree with you that the spec isn't very clear about this.
>
> I almost agree with you. Rather than false, I think custom MQs
> with circular references should not be defined at all. I've updated
> the spec accordingly.

Yup, that's the right behavior. Thanks for defining it.

~TJ
Received on Tuesday, 14 April 2015 20:01:31 UTC

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