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Re: [css3-values] Editoria,, resolution units: physical inch vs. CSS inch.

From: Florian Rivoal <florian@rivoal.net>
Date: Thu, 25 Oct 2012 09:54:36 +0200
To: "Tab Atkins Jr." <jackalmage@gmail.com>, "Simon Sapin" <simon.sapin@kozea.fr>
Cc: "www-style@w3.org list" <www-style@w3.org>
Message-ID: <op.wmp5lal5f5de51@localhost.localdomain>
On Tue, 23 Oct 2012 09:24:03 +0200, Simon Sapin <simon.sapin@kozea.fr>  
wrote:

> Le 23/10/2012 01:44, Tab Atkins Jr. a écrit :
>> I'm fine with making it clearer in the <resolution> definition that
>> the lengths mentioned are CSS units, not real lengths.  All existing
>> uses of <resolution> agree with that.
>
> Great. This was the main issue in my previous message. (There was  
> confusion in another thread between the resolution MQ and the physical  
> DPI of a mobile device.)
>
>
>> The definition of "dot" is purposely ambiguous, because it has at
>> least two definitions, depending on usage.  For MQ, it's a device
>> pixel.  For Images, its an image pixel.  Each use of <resolution>
>> needs to define what it means by "dot".  I'm also fine with adding a
>> requirement to this effect into the spec.
>
> Oh, I see. But when first reading the spec I had no way to know this was  
> on purpose. This is really minor compared to the other issue, but I’d  
> prefer to have a note as you say rather than leave it ambiguous.

Given how frequent it is to see confusion on this topic, I agree that  
clarifications would be a good thing.

  - Florian
Received on Thursday, 25 October 2012 07:52:15 GMT

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