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Re: [css21] height: [percent]

From: Ian Hickson <ian@hixie.ch>
Date: Tue, 7 Mar 2006 19:41:05 +0000 (UTC)
To: Andrew Fedoniouk <news@terrainformatica.com>
Cc: Boris Zbarsky <bzbarsky@mit.edu>, Ignacio Javier <ijavier@efenet.com>, www-style@w3.org
Message-ID: <Pine.LNX.4.62.0603071940210.315@dhalsim.dreamhost.com>

On Tue, 7 Mar 2006, Andrew Fedoniouk wrote:
> "If the pixel density of the output device is very different from that 
> of a typical computer display, the user agent should rescale pixel 
> values. It is recommended that the reference pixel be the visual angle 
> of one pixel on a device with a pixel density of 96dpi and a distance 
> from the reader of an arm's length."
> As you may see such rescaling is not a mandatory.

It is mandatory unless the implementor has a good reason not to do it. 
What good reason would that be?

> And probably it is better to replace 150px by something more reliable 
> like 10cm ?

150px is the de facto standard.

Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'
Received on Tuesday, 7 March 2006 19:41:19 UTC

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