[NTG-context] Bug in maths environment: thematrix

[Hans Hagen]

On 3/9/2023 2:45 PM, Otared Kavian via ntg-context wrote:
> 
> Hi Hans,
> 
> I noticed that in some situations the command \thematrix does not show all its arguments correctly: some parts are omitted in the typeset formula. In some occasions adding some groupings solves the issue, but not always. I noticed this bug two weeks ago, but could not produce a minimal example until now…
> 
> Please see below, in particular the output for the matrices M_1, M_2 and M_3…
> 
> Best regards: Otared
> 
> % begin bug-thematrix.tex
> \starttext
> \startformula
> M_{1}(t)
> := \thematrix{{\rm e}^s ; {\rm e}^t}, \qquad
> B_{1}(t) := \thematrix{1 , {\rm e}^t},
> \stopformula
> 
> \startformula
> M_{2}(t)
> := \thematrix{{{\rm e}^s} , {{\rm e}^t}}, \qquad
> B_{2}(t) := \thematrix{0 ; {{\rm e}^t}},
> \stopformula
> 
> 
> \startformula
> M_{3}(t)
> = \thematrix{{\rm e}^s, {\rm e}^t ; 0 , {\rm e}^t}.
> \stopformula
> 
> 
> \startformula
> M_{4}(t)
> = \thematrix{1, {{\rm e}^t} + 1 ; 0 , {{\rm e}^t}}.
> \stopformula
> 
> \stoptext
> % end bug-thematrix.tex
i have a fix but there will be no uploads till texlive has been frozen / 
packages

Hans

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