François Pantigny submitted an update to the
nicematrix
package.
Version number: 3.7 2019-11-11 License type: lppl1.3
Summary description: Several features to improve the typesetting of mathematical matrices with TikZ
Announcement text: ----------------------------------------------------------------------
New commands pAutoNiceMatrix, bAutoNiceMatrix, etc. to compose matrices automatically from a pattern for the cells (suggestion of Christophe Bal). ----------------------------------------------------------------------
This package is located at http://mirror.ctan.org/macros/latex/contrib/nicematrix
More information is at http://www.ctan.org/pkg/nicematrix
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Thanks for the upload.
For the CTAN Team Ina Dau