The bundle contains fonts (TFM and VF) for use with upTeX.
The bundle is maintained on GitHub: https://github.com/texjporg/uptex-fonts
If you have issues, please let us know from the above page.
The bundle is redistribution derived from upTeX distribution by Takuji Tanaka. Since the original license is the 3-clause BSD license, this redistribution also follows it (see LICENSE).
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Japanese TeX Development Community