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Re: [csswg-drafts] [css-writing-modes] Question about implementability of the "different writing-mode value than its containing block" section of the spec

From: Koji Ishii via GitHub <sysbot+gh@w3.org>
Date: Thu, 13 Apr 2017 03:46:34 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-293771796-1492055193-sysbot+gh@w3.org>
Thank you for the great feedback, @bzbarsky.

> In practice, what Gecko seems to implement here is to start at the thing
you inherit style from (some handwaving about ::first-line here), and
walk up the inheritance chain to the first thing with display not equal
to "contents".

Blink [checks parent](https://cs.chromium.org/chromium/src/third_party/WebKit/Source/core/layout/LayoutBox.h?type=cs&q=IsWritingModeRoot&l=1139) too, not containing block. I believe WebKit does so too.

Is the logic mentioned here the same as [blockificaiton](https://drafts.csswg.org/css-display/#blockify)? If so, can we say "blockify if the element has different writing-mode from its parent"?

If different, is the fix of s/containing block/parent box/ appropriate?

I'm not very familiar with run-in and details of display types, advice appreciated.

/cc @fantasai @rune-opera 

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Received on Thursday, 13 April 2017 03:46:42 UTC

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