Binary package “ptex-jtex” in ubuntu focal
ASCII jTeX with pTeX
ASCII jTeX is Japanese TeX, designed by ASCII corporation.
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In this version, 'jtex' and 'jlatex' are renamed as 'ajtex' and 'ajlatex',
respectively. And these programs are compiled with a recent ptex, which is
included in texlive-binaries package. Note ajlatex is of latex209 version.
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Note ptex in texlive-binaries needs to use option "--kanji=euc" for a file
in EUC-JP encoding, so please add "--kanji=euc" for ajtex/ajlatex commands.