This package includes some JISX0208.1990, JISX0208.1978, JISX0212.1990 (HojoKanji), JISX0208.1983, and JISX0201 (Roman & Kana) Japanese fonts. You will need the fonts if you plan to view, print or author documents using the Japanese language and any of the encodings specified above. . The fonts are for use with the X Window System.