texlive-lang-czechslovak 2020.20200925-2 (amd64 binary) in ubuntu hirsute

 Support for Czech/Slovak.
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 This package includes the following CTAN packages:
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 babel-czech -- Babel support for Czech
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 babel-slovak -- Babel support for typesetting Slovak
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 cnbwp -- Typeset working papers of the Czech National Bank
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 cs -- Czech/Slovak-tuned Computer Modern fonts
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 csbulletin -- LaTeX class for articles submitted to the CSTUG Bulletin
 (Zpravodaj)
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 cslatex -- LaTeX support for Czech/Slovak typesetting
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 csplain -- Plain TeX multilanguage support
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 cstex -- Support for Czech/Slovak languages
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 hyphen-czech -- Czech hyphenation patterns.
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 hyphen-slovak -- Slovak hyphenation patterns.
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 lshort-czech -- Czech translation of the "Short Introduction to LaTeX2e"
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 lshort-slovak -- Slovak introduction to LaTeX
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 texlive-cz -- TeX Live manual (Czech/Slovak)
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 vlna -- add ~ after non-syllabic preposition, for Czech/Slovak