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