François Pantigny submitted an update to the

nicematrix

package.

Version number: 4.2 2020-06-07 License type: lppl1.3

Summary description: Improve the typesetting of mathematical matrices with PGF

Announcement text: ----------------------------------------------------------------------

It's now possible to type `egin{pNiceMatrix} a&b\ c&d end{pNiceMatrix}^{2}` with the expected result (for the exponent).

Correction of some other small bugs. ----------------------------------------------------------------------

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Thanks for the upload.

For the CTAN Team Ina Dau