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[css-images] imageset definition - too strict?

From: Axel Dahmen <brille1@hotmail.com>
Date: Wed, 7 Jan 2015 03:18:45 +0100
To: www-style@w3.org
Message-ID: <m8i52a$30h$1@ger.gmane.org>
In ยง 2.3 the dev version of the spec reads: "Every <image-set-option> in a 
given image-set() must have a different <resolution>, or else the function 
is invalid."

Shouldn't this be more forgiving? I mean, I don't see a reason why it 
shouldn't be sufficient to but apply the first image of an image-set 
matching a resolution precondition and ignore following images representing 
the same resolution.

So, a CSS rule like this:

background-image: image-set("foo-600.png" 600dpi, "foo-301.png" 300dpi, 
"foo-302.png" 300dpi, "foo-150.png" 150dpi);

would have image #1, #2 and #4 applied as appropriate, but image #3 would 
but be ignored.

Wouldn't a more forgiving algorithm like this be more in the spirit of this 

Received on Wednesday, 7 January 2015 02:20:26 UTC

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