On 9/11/2017 6:59 AM, Henri wrote:
Dear devs,
Thank you very much for fixing this one
https://mailman.ntg.nl/pipermail/ntg-context/2017/089790.html
Unfortunately it seems like you broke substack and mathmatrix on the way. MWE
below fails
with version 2017.09.08 17:24
Cheers, Henri
---
\starttext
\placeformula
\startformula
\sum_{\startsubstack
\NC k \NR
\NC \omega_n \NR
\stopsubstack}
\stopformula
\placeformula
\startformula
\startmathmatrix[left=\left|,right=\right|]
\NC 0 \NC 1 \NR
\NC 1 \NC 0 \NR
\stopmathmatrix
= -1 .
\stopformula
\stoptext
% no tagging yet : how is it supposed to be coded? no time now anyway
\unexpanded\def\startsubstack
{\begingroup
\vcenter\bgroup
\baselineskip\mathstacktotal
\lineskip\mathstackvgap
\lineskiplimit\lineskip
\mathsurround\zeropoint
\everycr\emptytoks
\let\NC\relax
\let\MC\relax
\let\NR\crcr
\halign\bgroup\hfil\normalstartimath\scriptstyle\alignmark\alignmark\normalstopimath\hfil\crcr}
\def\stopsubstack
{\crcr
\egroup
\egroup
\endgroup}
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