From: Wolfgang Schuster <wolfgang.schuster.lists@gmail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>,
Pablo Rodriguez <oinos@gmx.es>
Subject: Re: issue splitting tables and horizontal mode
Date: Sun, 20 Oct 2019 11:49:15 +0200 [thread overview]
Message-ID: <3faa7a8c-8536-8902-b5a6-08e144c0ca41@gmail.com> (raw)
In-Reply-To: <6532e14b-7f23-3686-838c-3a61d28ccd07@gmx.es>
Pablo Rodriguez schrieb am 18.10.2019 um 16:23:
> Dear list,
>
> I have another issue related to extreme tables.
>
> \setupxtable[split=yes]
> \starttext
> \startmakeup[standard]
> \dontleavehmode
> \startxtable[align={middle,lohi},columndistance=0em]
> \startxrow
> \startxcell
> \dontleavehmode
> \externalfigure[cow.pdf]
> [scale=500]
> \stopxcell
> \startxcell
> \dontleavehmode
> \externalfigure[cow.pdf]
> [scale=500]
> \stopxcell
> \stopxrow
> \stopxtable
> \stopmakeup
> \stoptext
>
> When splitting extreme tables, I cannot use \dontleavehmode.
1. What is the purpose of \dontleavehmode in your example?
2. Why do you try to split a table in a makup environment (which will
never work)?
> Since this worked before, am I missing something or is this a bug?
It isn't a bug but a side effect of the way how split=yes works.
The normal splitters uses a simple placement method where each table row
is placed below each other. To prevent unwanted white space between the
lines \nointerlineskip is used but the command works only a vertical
mode. With \dontleavehmode like in your example you force horizontal
mode for the table which results in the error message.
You can reproduce the error with the following minimal example:
\starttext
\dontleavehmode
\vbox{}
\nointerlineskip
\vbox{}
\stoptext
The reason why this doens't happen when splitting is disabled or when
the header or footer lines are repeated is that ConTeXt puts the
collected lines for each table in a \vbox. When you flush the lines in
the \vbox the are placed in vertical modes and your \dontleavehmode is
only applied to the outer \vbox while the lines itself are placed in
vertical mode.
\starttext
\dontleavehmode
\vbox
{\vbox{}
\nointerlineskip
\vbox{}}
\stoptext
Wolfgang
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next prev parent reply other threads:[~2019-10-20 9:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-18 14:23 Pablo Rodriguez
2019-10-20 9:49 ` Wolfgang Schuster [this message]
2019-10-20 10:36 ` Pablo Rodriguez
2019-10-20 10:53 ` Wolfgang Schuster
2019-10-20 17:38 ` Pablo Rodriguez
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