CTAN update: nicematrix

[CTAN Announcements]

François Pantigny submitted an update to the

                nicematrix

package.

Version number: 6.19 2023-05-15
License type: lppl1.3

Summary description: Improve the typesetting of mathematical matrices with PGF

Announcement text:
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The command \tabularnote now supports an optional argument between square
brackets to change the label of the note (eg: \tabularnote[$\star$]{...}).

An index has been added to the documentation.

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This package is located at
   https://mirrors.ctan.org/macros/latex/contrib/nicematrix

More information is at
   https://www.ctan.org/pkg/nicematrix


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   Thanks for the upload.

     For the CTAN Team
    Manfred Lotz


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