CTAN update: nicematrix

[CTAN Announcements]

François Pantigny submitted an update to the

                nicematrix

package.

Version number: 6.5 2022-01-23
License type: lppl1.3

Summary description: Improve the typesetting of mathematical matrices with PGF

Announcement text:
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New key 'custom-line' to create commands and letters for customized rules.

New key 'respect-arraystretch' which has an effect on the composition of 
the blocks (created by '\Block').


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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
    Erik Braun

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