Aditya Mahajan schrieb am 15.09.2020 um 05:30:
The following MWE gives an error with LMTX 2020.09.05


\usemodule[vim]
\definevimtyping[MATLABCODE][syntax=matlab]

\starttext
\startMATLABCODE
   saveas(gcf(), "output/same-sigma.png")
\stopMATLABCODE
\stoptext

The error message is:

callback error: 
...metatex/texmf-context/tex/context/base/mkiv/lang-ini.lua:509: bad argument 
#1 to 'prehyphenchar' (luatex.lang expected, got no value)
stack traceback:
         [C]: in function 'lang.prehyphenchar'
         ...metatex/texmf-context/tex/context/base/mkiv/lang-ini.lua:509: in 
field 'prehyphenchar'
         ...metatex/texmf-context/tex/context/base/mkiv/typo-brk.lua:171: in 
local 'method'
         ...metatex/texmf-context/tex/context/base/mkiv/typo-brk.lua:392: in 
upvalue 'typesetters_breakpoints_handler'
         [string "local tonut  = nodes.tonut..."]:16: in function <[string "local tonut 
 = nodes.tonut..."]:11>
         (...tail calls...)
         ...metatex/texmf-context/tex/context/base/mkiv/node-pro.lua:88: in function 
<...metatex/texmf-context/tex/context/base/mkiv/node-pro.lua:79>

1 >>  \SYNBOL{}saveas(gcf(), \SYN[String]{"output/same-sigma.png"})\SYNEOL{}
2
mtx-context     | fatal error: return code: 256

Any idea what is going on?

You have to add \resetbreakpoints to the vim/filter module.

Wolfgang

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