W3C home > Mailing lists > Public > www-style@w3.org > August 2015

Re: [css-writing-modes] the caption-side keywords

From: Koji Ishii <kojiishi@gmail.com>
Date: Wed, 26 Aug 2015 16:31:37 +0900
Message-ID: <CAN9ydbXrwb3Md6Ut+j6F=PxxEZcEY1Y-1hdNBYt1e37kSK4mDQ@mail.gmail.com>
To: fantasai <fantasai.lists@inkedblade.net>
Cc: "www-style@w3.org" <www-style@w3.org>
On Wed, Aug 26, 2015 at 4:15 PM, fantasai <fantasai.lists@inkedblade.net>
wrote:

> On 08/26/2015 08:03 AM, Koji Ishii wrote:
>
>> On Tue, Aug 25, 2015 at 8:55 AM, fantasai <fantasai.lists@inkedblade.net
>> <mailto:fantasai.lists@inkedblade.net>> wrote:
>>
>>         [snip]
>>         However, the spec says 'bottom' must be treated as 'block-start'.
>>         This may cause problem.
>>         It would be better 'bottom' treated as block-end?
>>
>>
>>     This was done intentionally as error-handling, as Tab explains:
>>     https://lists.w3.org/Archives/Public/www-style/2015Aug/0072.html
>>     See also below...
>>
>>     I don't think this is good to change.
>>
>>
>> What about leaving it undefined? While I understand what you and Tab
>> want, with the current definition, "bottom" is "block-end
>> if horizontal, or block-start if vertical" if we look from the logical
>> implementation. Having such a special code path doesn't
>> seem to worth the goal.
>>
>> Just checked IE, Blink, and WebKit, IE and Blink/WebKit already disagree.
>> Gecko should also disagree given its side caption
>> support. I think "undefined" is the appropriate definition in such case.
>>
>> Not interoperable among all major browsers should be good enough to
>> prevent authors from using it, so I think your goal is
>> still secured.
>>
>
> I don't think it makes sense to have undefined behavior for
> something so simple. Either you support side-captions, and
> you handle it that way, or you don't, and you treat it as
> block-start. It's not hard.


"Not hard" can't justify additional code that doesn't seem to help authors
nor users.

As in the related thread, I'm fine to mark at risk if you can live with
that.

/koji
Received on Wednesday, 26 August 2015 07:32:27 UTC

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