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Re: Proposal for "overflow:clip" for stronger painting isolation

From: Simon Fraser <smfr@me.com>
Date: Fri, 18 Oct 2013 12:56:26 -0700
Cc: www-style list <www-style@w3.org>
Message-id: <2F21DB63-1D30-4DAC-9514-7516EA8EAF7C@me.com>
To: "Tab Atkins Jr." <jackalmage@gmail.com>
On Oct 18, 2013, at 8:47 AM, Tab Atkins Jr. <jackalmage@gmail.com> wrote:

> On Fri, Oct 18, 2013 at 1:38 AM, Bruno Racineux <bruno@hexanet.net> wrote:
>> 
>> On 10/17/13 2:57 PM, "Kang-Hao (Kenny) Lu" <kanghaol@oupeng.com> wrote:
>> 
>>> (2013/10/18 5:35), Tab Atkins Jr. wrote:
>>>> On Thu, Oct 17, 2013 at 2:23 PM, Bruno Racineux <bruno@hexanet.net>
>>>> wrote:
>>>>> Does this proposal address "clearing the float" at all?
>>>>> 
>>>>> I would be ideal is there was a native solution for this by now, rather
>>>>> than the 'clearfix' hacks.
>>>>> 
>>>>> And while 'overflow:hidden' helps, it's not a comprehensive solution to
>>>>> clear-fixing.
>>>> 
>>>> This is basically a more powerful/comprehensive overflow:hidden, so it
>>>> addresses float clearing as well as overflow:hidden does.
>>> 
>>> I suppose this reads
>>> 
>>> 'overflow: clip' doesn't address "clearing the float"
>>> 
>>> ? I am not criticizing the proposal as the use cases might just be
>>> parallel,
>> 
>> I bring this due to the implications between overflow:hidden and "clearing
>> the float". And for lack of introduction perhaps, I am curious to
>> understand what overflow:clip intends to achieve or address.
>> 
>>> but the above sentence is just vague and diffucult to parse, at least to
>>> me.
>> 
>> The way I read Tab, is that it would substitute the "overflow:hidden"
>> method of
>> "clearing the float". But it is vague indeed.
> 
> I'm not sure how I was vague.  overflow:clip is a stronger version of
> overflow:hidden, effectively.  It works exactly as well for clearing
> floats as overflow:hidden does.  If you're unsatisfied using
> overflow:hidden to clear floats, you'll be unsatisfied with using
> overflow:clip as well.
> 
> Getting a container element to contain its floats has been addressed
> directly in the Sizing spec, though it hasn't gotten implementation
> yet.  You can set "min-height: contain-floats;" to make it work:
> <http://dev.w3.org/csswg/css-sizing/#the-contain-floats-value>.

Should overflow:clip create a stacking context? (Please say yes.)

Simon
Received on Friday, 18 October 2013 19:57:04 UTC

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