Bug in matrices/alignment (LMTX)

Bug in matrices/alignment (LMTX)

[Jairo A. del Rio]

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Hi everyone.
The following example works in ConTeXt MkIV but fails in ConTeXt LMTX:


\def\rgeq{\vcenter{\rotate[rotation=270]{$>$}}}

\definemathmatrix[void][left=,right=,simplecommand=voidmatrix]

\starttext

\startformula

\voidmatrix{%

G_{1,1}, >, G_{1,2}, >, G_{1,3}, >, G_{1,4}, \ldots, G_1;

\rgeq , , \rgeq , , \rgeq , , \rgeq , , \rgeq;

G_{2,1}, >, G_{2,2}, >, G_{2,3}, >, G_{2,4}, \ldots, G_2;

\rgeq , , \rgeq , , \rgeq , , \rgeq , , \rgeq;

G_{3,1}, >, G_{3,2}, >, G_{3,3}, >, G_{3,4}, \ldots, G_3;

, , , , , , , , \rgeq

}

\stopformula

\stoptext

In LMTX only the first column of rotated symbols appear. My ConTeXt version
is:

LuaTeX 2.08 20201103 + ConTeXt MkIV 2020.11.13 19:13

Thank you very much.

Best regards,

Jairo :)

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Re: Bug in matrices/alignment (LMTX)

[Wolfgang Schuster]

Jairo A. del Rio schrieb am 14.11.2020 um 20:10:
> Hi everyone.
> The following example works in ConTeXt MkIV but fails in ConTeXt LMTX:
> 
> \def\rgeq{\vcenter{\rotate[rotation=270]{$>$}}}
> 
> \definemathmatrix[void][left=,right=,simplecommand=voidmatrix]
> 
> \starttext
> 
> \startformula
> \voidmatrix{%
> G_{1,1}, >, G_{1,2}, >, G_{1,3}, >, G_{1,4}, \ldots, G_1;
> \rgeq , , \rgeq , , \rgeq , , \rgeq , , \rgeq;
> G_{2,1}, >, G_{2,2}, >, G_{2,3}, >, G_{2,4}, \ldots, G_2;
> \rgeq , , \rgeq , , \rgeq , , \rgeq , , \rgeq;
> G_{3,1}, >, G_{3,2}, >, G_{3,3}, >, G_{3,4}, \ldots, G_3;
> , , , , , , , , \rgeq
> }
> \stopformula
> 
> \stoptext
> 
> In LMTX only the first column of rotated symbols appear.

ConTeXt LMTX stopped at the first empty cell in a row.

\starttext

\def\docommand#1{(#1)}

\processcommalist[a,b,c]\docommand

\processcommalist[a,,c]\docommand

\stoptext

Wolfgang
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Re: Bug in matrices/alignment (LMTX)

[Jairo A. del Rio]

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Nice. When I add empty braces ((}) the example works. Just curious: is that
a bug or expected behaviour?
Thank you a lot, Wolfgang.

Cordially,

Jairo :)

El sáb., 14 de nov. de 2020 a la(s) 14:34, Wolfgang Schuster (
wolfgang.schuster.lists@gmail.com) escribió:

> Jairo A. del Rio schrieb am 14.11.2020 um 20:10:
> > Hi everyone.
> > The following example works in ConTeXt MkIV but fails in ConTeXt LMTX:
> >
> > \def\rgeq{\vcenter{\rotate[rotation=270]{$>$}}}
> >
> > \definemathmatrix[void][left=,right=,simplecommand=voidmatrix]
> >
> > \starttext
> >
> > \startformula
> > \voidmatrix{%
> > G_{1,1}, >, G_{1,2}, >, G_{1,3}, >, G_{1,4}, \ldots, G_1;
> > \rgeq , , \rgeq , , \rgeq , , \rgeq , , \rgeq;
> > G_{2,1}, >, G_{2,2}, >, G_{2,3}, >, G_{2,4}, \ldots, G_2;
> > \rgeq , , \rgeq , , \rgeq , , \rgeq , , \rgeq;
> > G_{3,1}, >, G_{3,2}, >, G_{3,3}, >, G_{3,4}, \ldots, G_3;
> > , , , , , , , , \rgeq
> > }
> > \stopformula
> >
> > \stoptext
> >
> > In LMTX only the first column of rotated symbols appear.
>
> ConTeXt LMTX stopped at the first empty cell in a row.
>
> \starttext
>
> \def\docommand#1{(#1)}
>
> \processcommalist[a,b,c]\docommand
>
> \processcommalist[a,,c]\docommand
>
> \stoptext
>
> Wolfgang
>

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