
ASCII jTeX is Japanese TeX, designed by ASCII corporation.
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.
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.