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List:       openbsd-cvs
Subject:    CVS: cvs.openbsd.org: src
From:       Ingo Schwarze <schwarze () openbsd ! org>
Date:       2020-10-30 21:31:19
Message-ID: 19c35035d4f6cfe5 () openbsd ! org
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CVSROOT:	/cvs
Module name:	src
Changes by:	schwarze@cvs.openbsd.org	2020/10/30 15:31:19

Modified files:
	usr.bin/mandoc : mandoc.css 

Log message:
Finally get rid of the "overflow: auto" property of ".Bl-tag > dd"
which has long been know to cause ugly and pointless scroll bars.

Matthew Martin <phy1729 at gmail dot com>
helpfully explained the following two points to me:
1. What we need to do here is establish a new block formatting
context such that the first line of the <dd> content moves down
rather than to the right if the preceding <dt> is wide.
2. A comprehensive list of methods
to establish block formatting context is available in:
https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Block_formatting_context

In that list, i found that "column-count: 1" does the job.
It is part of CSS Multi-column Layout Level 1.
While that is still in Working Draft status according to
https://www.w3.org/Style/CSS/current-work ,
it is fully supported by all browsers according to
https://developer.mozilla.org/en-US/docs/Web/CSS/column-count ,
probably because it was already part of the second draft of this
standard almost 20 years ago: WD-css3-multicol-20010118.

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