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Re: Projection media type in fullscreen browser mode

From: Rijk van Geijtenbeek <rijk@opera.com>
Date: Thu, 20 Aug 2009 14:23:11 +0200
To: "WWW Style" <www-style@w3.org>
Message-ID: <op.uyyncxwyicz8n2@acer-laptop.lan>
Op Thu, 20 Aug 2009 13:44:40 +0200 schreef Stewart Brodie  

> Rijk van Geijtenbeek <rijk@opera.com> wrote:
>> The spec says that media types are mutually exclusive:
>> "Media types are mutually exclusive in the sense that a user agent can
>> only support one media type when rendering a document."
> Yes it does, but you can't really implement a non-desktop browser that
> follows that.  I have to accept both "screen" and "tv", rather than just
> "tv", because a failure to accept "screen" as well leads to a complete  
> lack
> of style on various sites that have tried to separate out their  
> stylesheets (usually into "screen" and "print")

Yes, but the question is: do you cascade the 'tv' styles with the 'screen'  
styles? Or do you fall back to using 'screen' styles when no 'tv' styles  
are found, but ignore the 'screen' when there is a style sheet for the  
'tv' media type? The spec is clear that only the latter is allowed (it is  
just a case of the user agent intelligently deciding which media type  
would be most likely to be useful for its users at any given moment).

                                                   Rijk van Geijtenbeek
                                                     Opera Software ASA

"The most common way to get usability wrong is to listen to what users
say rather than actually watching what they do." - J.Nielsen
Received on Thursday, 20 August 2009 12:24:00 UTC

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