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[csswg-drafts] [css-align] "fallback-aligned insofar as possible" is vague

From: L. David Baron via GitHub <sysbot+gh@w3.org>
Date: Sat, 20 May 2017 00:22:28 +0000
To: public-css-archive@w3.org
Message-ID: <issues.opened-230117213-1495239747-sysbot+gh@w3.org>
dbaron has just created a new issue for https://github.com/w3c/csswg-drafts:

== [css-align] "fallback-aligned insofar as possible" is vague ==
The [definition of baseline alignment values](https://drafts.csswg.org/css-align/#baseline-values) says:

> If an alignment subject’s position is not fully determined by baseline alignment it and the other participants in its baseline-sharing group are fallback-aligned insofar as possible while preserving their baseline alignment.

This sentence is unclear in a number of ways
* the "If an alignment subject's position" should really refer to the set of positions, since all the positions in the shared alignment context are determined together
* it should probably be clearer that what "not fully determined" means is that the maximum extents (e.g., highest top and lowest bottom) of the things in the context don't fill the container
* what "insofar as possible" means is that for start (end) alignment, the most extreme start (end)-edge in the group is aligned with the start (end) edge of the alignment container 

Please view or discuss this issue at https://github.com/w3c/csswg-drafts/issues/1405 using your GitHub account
Received on Saturday, 20 May 2017 00:22:35 UTC

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