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Re: [CSS21] 17.6.2 The collapsing border model

From: Ian Hickson <ian@hixie.ch>
Date: Mon, 9 Oct 2006 22:31:19 +0000 (UTC)
To: Mats Palmgren <mats.palmgren@bredband.net>
Cc: www-style@w3.org
Message-ID: <Pine.LNX.4.62.0610092227410.10343@dhalsim.dreamhost.com>

On Thu, 3 Aug 2006, Mats Palmgren wrote:
> http://www.w3.org/TR/CSS21/tables.html#collapsing-borders
> 17.6.2 The collapsing border model
>     UAs must compute an initial left and right border width
>     for the table by examining the first and last cells in
>     the first row of the table. The left border width of the
>     table is half of the first cell's collapsed left border,
>     and the right border width of the table is half of the
>     last cell's collapsed right border. If subsequent rows
>     have larger collapsed left and right borders, then any
>     excess spills into the margin area of the table.
> I think this text is too restrictive. CSS 2.1 should allow a UA to 
> consider all rows and make the table border wide enough to not cause any 
> border to spill into the margin area.
> Would it be possible to make the current text a minimum requirement but 
> allow UAs to consider more than one row?

The working group considered that (some time ago) but decided that 
interoperability was more important on layout issues like this (since lack 
of interoperability could break pages in this case).

Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'
Received on Monday, 9 October 2006 22:31:39 UTC

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