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From: Hans Hagen <pragma@wxs.nl>
To: Wolfgang Schuster <schuster.wolfgang@gmail.com>
Cc: mailing list for ConTeXt users <ntg-context@ntg.nl>,
	Xan <dxpublica@telefonica.net>
Subject: Re: Bug in \column
Date: Wed, 20 Mar 2013 10:40:30 +0100	[thread overview]
Message-ID: <5149840E.5090000@wxs.nl> (raw)
In-Reply-To: <6AB5D979-057E-4EDB-8F52-26A56EE229EA@gmail.com>

On 3/20/2013 10:28 AM, Wolfgang Schuster wrote:
>
> Am 19.03.2013 um 20:50 schrieb Xan <dxpublica@telefonica.net>:
>
>> Can you modify it for working? By the user perspective it's an annoying bug. A clean command should not produce that, isn't it?
>
> I have to agree that the current situation with the \column command isn’t perfect but each solution has it’s own problems.
>
> The example below uses three different definitions for the \column command, the first and third result in a empty column when there is to much text in the first column while the second definition ignores the command and balances the text of both columns.
>
> <example>
> \starttext \showframe
>
> % Default method
>
> \blank[force,12cm]
>
> \startcolumns
> \dorecurse{16}{a\par}
> \column
> b
> \stopcolumns
>
> \page
>
> % Method 1
>
> \unprotected\installcolumnbreakmethod \s!multicolumn \v!yes
>   {\scratchdimen\dimexpr\pagegoal/2\relax
>    \vskip \scratchdimen
>    \penalty-200 % we can mark and intercept this
>    \vskip-\scratchdimen}
>
> \blank[force,12cm]
>
> \startcolumns
> \dorecurse{16}{a\par}
> \column
> b
> \stopcolumns
>
> \page
>
> % Method 2
>
> \unprotected\installcolumnbreakmethod \s!multicolumn \v!yes
>   {\scratchdimen\dimexpr\pagegoal/2+\lineheight\relax
>    \vskip \scratchdimen
>    \penalty-200 % we can mark and intercept this
>    \vskip-\scratchdimen}
>
> \blank[force,12cm]
>
> \startcolumns
> \dorecurse{16}{a\par}
> \column
> b
> \stopcolumns
>
> \stoptext
> </example>

For Wolfgangs eyes only:

\installcolumnbreakmethod \s!multicolumn \v!yes
   {\penalty\c_page_mix_break_forced\relax}

Maybe that one works ok.

Hans


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  reply	other threads:[~2013-03-20  9:40 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-18 18:32 Xan
2013-03-18 21:34 ` Wolfgang Schuster
2013-03-19 19:50   ` Xan
2013-03-20  9:28     ` Wolfgang Schuster
2013-03-20  9:40       ` Hans Hagen [this message]
2013-03-20  9:52         ` Wolfgang Schuster
2013-03-21  8:40           ` Xan
2013-03-21 22:58             ` Wolfgang Schuster
2013-03-22  9:59               ` Xan
2013-03-22 10:02               ` Xan
2013-03-22 10:15               ` Xan
2013-03-22 10:19               ` Xan
2013-03-20 18:21         ` Keith J. Schultz

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