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From: AlterEgo Qasars <quasar@econ.muni.cz>
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Subject: Bug in columnset?
Date: Mon, 3 Dec 2001 12:43:14 +0100
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Good evening!

While having no information, I play with the columnset marcro myself. It 
works absolutely well when it's once turned on and once off. But when I'm 
switching among one and more columns, it starts to behave in a quite 
strange way. Sometimes some text disappeares, sometimes it is placed on a 
new page, sometimes two blocks of text are placed over themselves. I'm 
sending a minimal file -- try to change numbers in \dorecurse to see
other strange behavior. What I'm doing wrong?

Many thanks,
Michal Kvasnicka

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Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment; filename=todo

% interface=en, output=pdf

% Used version:
% TeXExec 2.5 - ConTeXt / PRAGMA ADE 1997-2001 
% pdfeTeX, Version 3.14159-14h-released-20010417-2.1 (Web2C 7.3.3.1)
% ConTeXt  ver: 2001.9.14  fmt: 2001.9.19  int: english  mes: english

\setupcolors[state=start]
\setupbodyfont[10pt]
\setuplayout
        [topspace=15mm, height=267mm,
        backspace=15mm, width=18cm, lines=61,
        header=0pt, headerdistance=0pt,
        footer=\baselineskip, footerdistance=\baselineskip,
        margin=0pt,
        grid=yes]
\setuppagenumbering[location=bottom]

\setupindenting[medium]
\indenting[first]

\setuptolerance[tolerant]

\definecolumnset[three cols]
        [n=3]
\setupcolumnset[three cols]
        [offset=0pt, balance=yes, distance=0cm, tolerance=verytolerant]

\newif\ifInCols \InColsfalse 
\let\OriSec=\section
\def\section#1{%
	\ifInCols\stopcolumnset\fi%
	\OriSec{#1}%
	\startcolumnset[three cols]%
	\InColstrue
}

\showgrid

\starttext
\dorecurse{3}{\input knuth}

\section{This is the first section}

\dorecurse{4}{\input knuth}

\section{This is the second section}

\dorecurse{5}{\input knuth}

\stoptext

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Content-Type: application/x-tex
Content-Disposition: attachment; filename="multicolumn1.tex"

% interface=en, output=pdf

% Used version:
% TeXExec 2.5 - ConTeXt / PRAGMA ADE 1997-2001 
% pdfeTeX, Version 3.14159-14h-released-20010417-2.1 (Web2C 7.3.3.1)
% ConTeXt  ver: 2001.9.14  fmt: 2001.9.19  int: english  mes: english

\setupcolors[state=start]
\setupbodyfont[10pt]
\setuplayout
        [topspace=15mm, height=267mm,
        backspace=15mm, width=18cm, lines=61,
        header=0pt, headerdistance=0pt,
        footer=\baselineskip, footerdistance=\baselineskip,
        margin=0pt,
        grid=yes]
\setuppagenumbering[location=bottom]

\setupindenting[medium]
\indenting[first]

\setuptolerance[tolerant]

\definecolumnset[three cols]
        [n=3]
\setupcolumnset[three cols]
        [offset=0pt, balance=yes, distance=0cm, tolerance=verytolerant]

\newif\ifInCols \InColsfalse 
\let\OriSec=\section
\def\section#1{%
	\ifInCols\stopcolumnset\fi%
	\OriSec{#1}%
	\startcolumnset[three cols]%
	\InColstrue
}

\showgrid

\starttext
\dorecurse{3}{\input knuth}

\section{This is the first section}

\dorecurse{4}{\input knuth}

\section{This is the second section}

\dorecurse{5}{\input knuth}

\stoptext

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