CTAN update: nicematrix

[CTAN Announcements]

François Pantigny submitted an update to the

                nicematrix

package.

Version number: 6.3 2021-10-18
License type: lppl1.3

Summary description: Improve the typesetting of mathematical matrices with PGF

Announcement text:
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Keys 'nb-rows', 'rowcolor' and 'bold' for the command \RowStyle.

Key 'name' for the command \Block.

Support for the columns 'V' of the extension varwidth.
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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

CTAN is run entirely by volunteers and supported by TeX user groups

Please join a user group or donate to one, see https://ctan.org/lugs

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   Thanks for the upload.

     For the CTAN Team
    Ina Dau

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