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Re: [csswg-drafts] [css-ruby-1] ruby overhang control (#4492)

From: Florian Rivoal via GitHub <sysbot+gh@w3.org>
Date: Thu, 07 Nov 2019 06:58:20 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-550924563-1573109899-sysbot+gh@w3.org>
The current spec leaves the limit undefined and up to the UA. Which means implementations could possibly set it to 0 to disallow all overhang, and this seem to be what Firefox does.

Interestingly, disallowing overhand altogether is the recommendation of Professor Kobayashi as a good enough solution for general use (see list item number 4 in https://w3c.github.io/jlreq/docs/simple-ruby/#placement-of-mono-ruby-0 for mono-ruby, list item number 4 in https://w3c.github.io/jlreq/docs/simple-ruby/#placement-of-group-ruby-0 for group ruby, and list item number 4 in https://w3c.github.io/jlreq/docs/simple-ruby/#placement-of-jukugo-ruby-0 for jukugo ruby).

If disallowing overhand always is not acceptable, and we do introduce a property, I would therefore suggest that the initial value be `auto` (i.e. up to the UA, possibly 0) or `0` rather than `1em`. 

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Received on Thursday, 7 November 2019 06:58:25 UTC

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