Bug in latest LMTX?

Bug in latest LMTX?

[Otared Kavian]

Hi Hans,

Last night I updated to th elatest beta LMTX (version 2019.10.28 18:57), and noticed that several things don't work as usual. I have not yet been able to find all the examples, but here is one in math:

\definemathfence[abs][bar][command=yes,factor=auto]

\starttext

\startformula
\sup_{t\in {\Bbb R}}\abs{f(t + T) - f(t)} \leq \epsilon.
\stopformula

\stoptext

The above does not typeset and I have the following error message:

tex error       > tex error on line 7 in file ./bug-math.tex: ! This can't happen (mlist2)


\stopforceddisplaymath ->\endgroup \stopimath 
                                              
\strc_math_box_stop ->\stopforceddisplaymath 
                                             \egroup \d_strc_math_number_wid...
\stopdisplaymath ...xpandafter \stopinnermath \fi 
                                                  \afterdisplayspace \egroup 
\strc_formulas_stop_formula ...formula \endcsname 
                                                  \dostoptagged \dostoptagge...
l.7 \stopformula
              

1     \definemathfence[abs][bar][command=yes,factor=auto]
2     
3     \starttext
4     
5     \startformula
6     \sup_{t\in {\Bbb R}}\abs{f(t + T) - f(t)} \leq \epsilon.
7 >>  \stopformula
8     
9     \stoptext


I'm broken. Please show this to someone who can fix me.


mtx-context     | fatal error: return code: 256

Thanks for your attention: OK
PS: the PDF produced now with a colorful « error » is very nice… but the error messages are cryptic :-)
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Re: Bug in latest LMTX?

[Hans Hagen]

On 10/29/2019 7:58 AM, Otared Kavian wrote:
> Hi Hans,
> 
> Last night I updated to th elatest beta LMTX (version 2019.10.28 18:57), and noticed that several things don't work as usual. I have not yet been able to find all the examples, but here is one in math:
> 
> \definemathfence[abs][bar][command=yes,factor=auto]
> 
> \starttext
> 
> \startformula
> \sup_{t\in {\Bbb R}}\abs{f(t + T) - f(t)} \leq \epsilon.
> \stopformula
> 
> \stoptext
> 
> The above does not typeset and I have the following error message:
> 
> tex error       > tex error on line 7 in file ./bug-math.tex: ! This can't happen (mlist2)
(fixed, has to do with some new spacing related feature in the math 
engine code)

Hans

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                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
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