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Re: [css-ruby] What does it mean for "ruby-position: inter-character" to force writing-mode to be vertical?

From: Bobby Tung <bobbytung@wanderer.tw>
Date: Mon, 15 Dec 2014 11:23:57 +0800
Cc: Jonathan Kew <jfkthame@gmail.com>, "dholbert@mozilla.com" <dholbert@mozilla.com>, "www-style@w3.org" <www-style@w3.org>
Message-Id: <D121C965-1AAA-42BE-BAB5-25BD9F3240CB@wanderer.tw>
To: Koji Ishii <kojiishi@gmail.com>
> 1. Do you have any use cases of having elements inside <rt> for
> inter-character, or just having text suffices the use cases?
> 2. If yes to #1, do you want those elements layout in vertical flow,
> or horizontal flow?
> 3. Do you have any use cases of having Latin characters inside of <rt>
> for inter-character?

Quick reply, no.

WANDERER Bobby Tung
Sent from my iPhone.

> Koji Ishii <kojiishi@gmail.com> 於 2014年12月15日 上午10:35 寫道:
> 
> On Mon, Dec 15, 2014 at 3:24 AM, Bobby Tung <bobbytung@wanderer.tw> wrote:
>>>> (4) Does this "forcing" apply to descendants of the ruby annotation?
>>>> e.g. if a ruby annotation has a child with "display:inline-block", is
>>>> that child *also* forced to have a vertical writing-mode?  (If the child
>>>> isn't forced: does it still get a vertical writing mode by default,
>>>> somehow? Presumably not through inheritance, unless the answer to (1)
>>>> was "yes".)
>>> 
>>> Yes, IIUC. I'm not sure how rendering of Bopomofo is going to be
>>> implemented, but I've heard at least once before that <sup> may be
>>> used within <rt> for Bopomofo to position marks correctly, or <span>
>>> with additional styles. I hoped it's done in font features, but it may
>>> not have happened.
>>> 
>>> Bobby, any updates?
>> 
>> <sup> within <rt> is used for mark native Taiwanese (Min Nan[1]). Min Nan has eight tone so they used sup for number to indicate tone.[2]
>> 
>> But for now, I don't see any sample mark tone this way in vertical writing.
>> 
>> There are several ways to mark tone for Min Nan, suppered number is one, inline unicode combination is another[3]. And Bopomofo for Min Nan[4].
>> 
>> Bopomofo is mainly for Mandarin.
>> 
>> [1] http://en.wikipedia.org/wiki/Min_Nan
>> [2] https://www.dropbox.com/s/db6nbkm7obxf6ph/taiwanese_pinyin.png
>> [3] https://www.dropbox.com/s/1z9q5c2eoqgj7tr/minromanji.png?dl=0
>> [4] https://www.dropbox.com/s/msi20s4fjabln83/minbopomofo.png?dl=0
> 
> Ah...I can't understand this due to lack of my knowledge on Chinese.
> Let me change the question.
> 
> 1. Do you have any use cases of having elements inside <rt> for
> inter-character, or just having text suffices the use cases?
> 2. If yes to #1, do you want those elements layout in vertical flow,
> or horizontal flow?
> 3. Do you have any use cases of having Latin characters inside of <rt>
> for inter-character?
> 
> /koji

Received on Monday, 15 December 2014 03:24:30 UTC

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