It turns out that the extra whitespace before and after the section headers
in the body appears when I put \startcolumns[n=2] before the body text and
\stopcolumns after it. Here's the MWE, just slightly modified from your
example:
%%%% begin example
\setuphead
[chapter,section,subsection,subsubsection]
[before={\blank[nowhite]},
after={\blank[nowhite]}]
\setupwhitespace
[medium]
%\showgrid
\starttext
\startcolumns[n=2]
\completecontent
\chapter{Chapter}
\samplefile{knuth}
\section{Section}
\samplefile{weisman}
\subsection{Subsection}
\samplefile{weisman}
\subsubsection{Subsubsection}
\samplefile{weisman}
\stopcolumns
\stoptext
%%%% end example
On Sun, Mar 22, 2020 at 10:07 PM Wolfgang Schuster <
wolfgang.schuster.li...@gmail.com> wrote:
> T. Kurt Bond schrieb am 22.03.2020 um 23:37:
> > I got LMTX running on macOS Catalina. I followed the directions here
> > <https://wiki.contextgarden.net/Installing_ConTeXt_LMTX_on_MacOS> for
> > versions prior to Catalina, including authorizing the mtxrun script
> > through Security & Privacy General tab. The first run of install.sh
> > stopped with the errors:
> >
> > cp: cannot stat
> >
> '/Users/tkb/context-osx-64/tex/texmf-context/scripts/context/lua/mtxrun.lua':
> > No such file or directory
> > cp: cannot stat
> >
>
> '/Users/tkb/context-osx-64/tex/texmf-context/scripts/context/lua/mtx-install.lua':
> > No such file or directory
> >
> >
> > So I ran install.sh again. This time it said a bunch of things were
> > missing and downloaded them. It seemed to finish ok, so I ran context
> > on my document and it produced a PDF! (The ConTexT with TeXLive 2018
> > and TeXLive 2019 both died on this document with different unhelpful
> > errors, by the way.)
> >
> > Both LMTX and TeXLive 2019 ran 5 to 10 times slower than TeXLive 2018,
> > and both complain about "fuzzy paragraphs" with a list of U+XXXX
> > codepoints. What's that mean?
> >
> > However, the PDF has unwanted whitespace in many areas.
> >
> > * It has unwanted whitespace between the entries in the Table of
> > Contents.
> > * It has unwanted whitespace before and after section headings,
> > despite me having "before={},after={}" in the \setuphead commands
> > for all the levels of sections.
> > * And it had a large unwanted white space between paragraphs until I
> > \setupwhitespace[none]. I'd prefer a little bit of white space
> > between paragraphs, but I tried \setupwhitespace[0.5ex] and
> > \definemeasure[between][0.25ex] with
> > \setupwhitespace[\measure{between}], and \setupwhitespace[5pt] but
> > all those went back to way too much white space between paragraphs.
> >
> > Any ideas?
>
> Do you have a working minimal example for the problem because when I run
> the following example on my machine there is no extra whitespace.
>
> %%%% begin example
> \setuphead
> [chapter,section,subsection,subsubsection]
> [before={\blank[nowhite]},
> after={\blank[nowhite]}]
>
> \setupwhitespace
> [medium]
>
> %\showgrid
>
> \starttext
>
> \completecontent
>
> \chapter{Chapter}
>
> \samplefile{knuth}
>
> \section{Section}
>
> \samplefile{weisman}
>
> \subsection{Subsection}
>
> \samplefile{weisman}
>
> \subsubsection{Subsubsection}
>
> \samplefile{weisman}
>
> \stoptext
> %%%% end example
>
> Wolfgang
>
>
--
T. Kurt Bond, tkurtb...@gmail.com
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