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Re: [csswg-drafts] [css-round-display][mediaquery] Properly define 'viewport-fit'

From: Florian Rivoal via GitHub <sysbot+gh@w3.org>
Date: Tue, 21 Jun 2016 05:40:23 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-227345521-1466487623-sysbot+gh@w3.org>
Thanks for this edit. To bring it fully in line with the resolution, I
 think you should make the following changes:

1. in the `cover` and `contain` definitions, change “The initial 
viewport is the [...]” to “The initial layout viewport and the visual 
viewport are set to the [...]”. (#206 is about properly defining that 
terminology)
2. I would move the following sentence into a note: “With this value, 
'border-boundary: display' and 'shape-inside: display' have no 
effect”. You are not trying to define new behavior here, just to 
explain how these two things interact. This is better done as an 
informative note than as normative text.
3. I would rephrase this sentence: “UA can paint the area which is 
outside the contained viewport for ‘contain’. ” → “What the UA paints 
outside of the viewport is undefined. It may be the background color 
of the canvas, or anything else that the UA deems appropriate.”
4. I don't think your definition of auto really matches the 
resolution. How about this instead:

> How the shape and size of the screen affects the initial layout 
viewport and the visual viewport is UA-defined, with the constraint 
that the UA must ensure that all the content can be viewed by the 
user, including documents designed for rectangular displays and that 
may have content in the corners. Making ''auto'' behave the same same 
as ''contain'' is one possible way to meet this requirement, but other
 approaches involving scrolling, panning, zooming or other mechanisms 
are encouraged as well.

5. “Because of this, some part of the page is clipped.” –> “Because of
 this, depending on the size of the viewport, some part of the page 
may be clipped.”

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Received on Tuesday, 21 June 2016 05:40:25 UTC

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