[NTG-context] Bad argument #1 to 'prehypenchar'

[Wolfgang Schuster]

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