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A comment on Free Software. Parent comment

Re:Free Software by new_realist on Saturday August 22, 2020 @07:30AM (#24243424)
TeX is not under an free software license.
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Re:Free Software by glandium on Saturday August 22, 2020 @05:33PM (#24247439)
Donald Knuth has indicated several times that the source code of TeX has been placed into the "public domain", and he strongly encourages modifications or experimentations with this source code.

https://en.wikipedia.org/wiki/TeX#License

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