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Re: [css-text-decor] Emphasis marks and auto-hiding ruby annotation

From: Xidorn Quan <me@upsuper.org>
Date: Thu, 19 Oct 2017 12:47:49 +1100
Message-Id: <1508377669.3163063.1143657184.1EC18F6D@webmail.messagingengine.com>
To: fantasai <fantasai.lists@inkedblade.net>, Shinyu Murakami <murakami@vivliostyle.com>
Cc: Koji Ishii <kojiishi@gmail.com>, "www-style list" <www-style@w3.org>
On Thu, Oct 19, 2017, at 12:43 PM, fantasai wrote:
> On 04/08/2017 04:54 AM, Shinyu Murakami wrote:
> > fantasai <fantasai.lists@inkedblade.net> wrote on 2016/12/27 21:35:26
> >> On 11/13/2015 09:02 AM, Koji Ishii wrote:
> >>> On 11/11/2015 11:02 AM, Xidorn Quan wrote:> Hi,
> >>>>
> >>>> I have a question that, if the annotation of a character is
> >>>> autohidden, where should the emphasis mark be drawn for this
> >>>> character?
> >>>
> >>> In my personal opinion, especially when the middle part is missing, the
> >>> former (consistent position) looks better. On the other hand, if emphasis
> >>> marks are on the whole paragraph, and only one character has ruby, the
> >>> latter might look better. Choosing either by auto-hide or not might be
> >>> one possible option.
> >>>
> >>> [1] https://drafts.csswg.org/css-text-decor-3/#text-emphasis-position-property
> >>
> >> There was previous discussion on the positioning of emphasis marks
> >> in the presence of ruby. See
> >>     http://www.w3.org/mid/AEB4771C-8ED0-49DD-B444-34F2BE54F85F@w3.org
> >>       continuing at https://www.w3.org/mid/4D277EC5.2050607@w3.org
> >>     https://www.w3.org/mid/A592E245B36A8949BDB0A302B375FB4E201BF47330@MAILR001.mail.lan
> >>     https://www.w3.org/mid/510C6999.9050000@inkedblade.net
> >>
> >> The conclusion was that the behavior illustrated in the spec is required,
> >> which is why we did not illustrate both options. :) See
> >>     https://www.w3.org/mid/5136E94C.9010605@inkedblade.net
> >>
> >> That said, I think auto-hidden ruby is a special case, and we should
> >> probably spec Gecko's behavior for that.
> >>
> >> A related question is then, what about empty annotations? Should they
> >> match the behavior of auto-hidden ruby or non-annotated text?
> > 
> > I agree that the Gecko's behavior is pretty good, and I think the emphasis mark
> > position should be consistent within a ruby element (empty annotations should
> > match the behavior of auto-hidden).
> > 
> > So both
> >      <em>ああ<ruby><rb>振<rb>り<rb>仮<rb>名<rt>ふ<rt>り<rt>が<rt>な</ruby>ああ</em>
> >      (auto-hidden ruby annotation for "り")
> > and
> >      <em>ああ<ruby><rb>振<rb>り<rb>仮<rb>名<rt>ふ<rt><rt>が<rt>な</ruby>ああ</em>
> >      (empty ruby annotation for "り")
> > should have the same result:
> >   、、、、
> > 、、ふ がな、、
> > ああ振り仮名ああ
> > 
> > I think this behavior is reasonable for readability, and also because of the
> > ruby layout structure (similar to the table structure, the cell position in
> > a row should not change when a cell in the previous row is empty).
> 
> I have edited this into the spec as follows:
> 
>    # If emphasis marks are applied to characters
>    # for which ruby is drawn in the same position as the emphasis mark,
>    # the emphasis marks are placed outside the ruby.
> 
> Appending
> 
>    # This includes auto-hidden and empty ruby annotations.
> 
> Xidorn, please let me know if this works for you. :)

Yeah, it works for me, thanks.

- Xidorn
Received on Thursday, 19 October 2017 01:48:13 UTC

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