upmu, american

[Patrick Dupre]

Hello,

With the "new" version of texlive (2022) abd lyx 2.3.7, I was 2 issues
There is not texlibe-upgreek package
(I need upgreek.sty)
and
Package/option 'american' unknown

can you help me?

Thanks

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 Patrick DUPRÉ                                 | | email: pdupre at gmx.com
 Laboratoire interdisciplinaire Carnot de Bourgogne
 9 Avenue Alain Savary, BP 47870, 21078 DIJON Cedex FRANCE
 Tel: +33 (0)380395988                    | | Room# D114A
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