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Re: [css-regions] The region-overflow property

From: David Hyatt <hyatt@apple.com>
Date: Wed, 05 Oct 2011 15:12:39 -0500
Cc: Vincent Hardy <vhardy@adobe.com>, "www-style@w3.org list" <www-style@w3.org>
Message-id: <947A5D53-807E-46E6-A9BA-FA73C7DF768C@apple.com>
To: Alan Stearns <stearns@adobe.com>
On Oct 5, 2011, at 2:47 PM, Alan Stearns wrote:

> On 10/5/11 12:35 PM, "Vincent Hardy" <vhardy@adobe.com> wrote:
> 
>> 
>> On Oct 4, 2011, at 2:30 PM, David Hyatt wrote:
>> 
>>> On Oct 4, 2011, at 1:23 PM, David Hyatt wrote:
>>> 
>>>> http://dev.w3.org/csswg/css3-regions/#region-overflow
>>>> 
>>>> It is ambiguous (to me at least) in section 4.4 whether
>>>> region-overflow:break causes clipping to occur when content spills out of
>>>> the last region. I am assuming the only thing it affects is pagination at
>>>> the last region edge, and that clipping is always controlled by overflow.
>>>> 
>>> 
>>> Actually upon re-reading this, it sounds like you do expect the content that
>>> paginates as a result of region-overflow:break to be into some unrendered
>>> space when region-overflow:break is specified. That seems like fine behavior
>>> to me, but it should probably be specified a bit more clearly in the text.
>>> 
>>> 
>> 
>> Hi Dave,
>> 
>> After reading the all thread where you said you are fine with the current
>> spec. and this initial email, I will add an action for met to be a bit more
>> specific about the expected behavior.
>> 
>> Thanks,
>> Vincent
> 
> There's a green section at the end of 4.4 that says "The 'overflow' property
> is honored on a region..." Given the recent discussion I do not think this
> is correct. When you add more detail to region-overflow:break you'll
> probably need to remove the green section.

Note that in the WebKit implementation at least, I made region-overflow:break only clip in the pagination direction. overflow:visible is still honored for content that spills out of the sides of the region.

dave
(hyatt@apple.com)
Received on Wednesday, 5 October 2011 20:13:08 GMT

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