Hi,

Using the minimal example from the contextgarden for gnuplot (
https://wiki.contextgarden.net/Gnuplot) I am getting the following error
message:

This is LuaTeX, Version 1.13.0 (TeX Live 2021/dev/Debian)
 system commands enabled.
open source     > level 1, order 1, name
'/usr/share/texmf/tex/context/base/mkiv/cont-yes.mkiv'
system          >
system          > ConTeXt  ver: 2020.07.13 16:23 MKIV  fmt: 2020.7.13  int:
english/english
system          >
system          > 'cont-new.mkiv' loaded
open source     > level 2, order 2, name
'/usr/share/texmf/tex/context/base/mkiv/cont-new.mkiv'
system          > beware: some patches loaded from cont-new.mkiv
close source    > level 2, order 2, name
'/usr/share/texmf/tex/context/base/mkiv/cont-new.mkiv'
system          > files > jobname 'mwe', input './mwe', result 'mwe'
fonts           > latin modern fonts are not preloaded
languages       > language 'en' is active
open source     > level 2, order 3, name '/tmp/4/mwe.tex'
modules         > 'gnuplot' is loaded
open source     > level 3, order 4, name
'/usr/share/texmf/tex/context/third/gnuplot/t-gnuplot.mkiv'
loading         > Gnuplot module
open source     > level 4, order 5, name
'/usr/share/texmf/tex/context/fonts/mkiv/type-imp-texgyre.mkiv'
close source    > level 4, order 5, name
'/usr/share/texmf/tex/context/fonts/mkiv/type-imp-texgyre.mkiv'
close source    > level 3, order 5, name
'/usr/share/texmf/tex/context/third/gnuplot/t-gnuplot.mkiv'

lua error       > lua error on line 4 in file /tmp/4/mwe.tex:

/usr/share/texmf/tex/context/base/mkiv/buff-ini.lua:439: attempt to call a
nil value (upvalue 'gettoken')
stack traceback:
/usr/share/texmf/tex/context/base/mkiv/buff-ini.lua:439: in upvalue 'pickup'
/usr/share/texmf/tex/context/base/mkiv/buff-ini.lua:635: in function
</usr/share/texmf/tex/context/base/mkiv/buff-ini.lua:626>
(...tail calls...)

 1     \usemodule[gnuplot]
 2
 3     % write a script for gnuplot
 4 >>  \startGNUPLOTscript[sin]
 5        plot sin(x)
 6     \stopGNUPLOTscript
 7
 8     % include the resulting graphic into the document
 9     \useGNUPLOTgraphic[sin]
10

mtx-context     | fatal error: return code: 256

Does the gnuplot module need adjustments?
Version 2020-07-09 14:50 is fine.

Regards,
Adam
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