A TeX system for publishing in Japanese
PTeX adds features related to vertical writing, and deals with other problems in typesetting Japanese. A set of additions to a TEXMF tree, for use with PTeX, may be found in package PTeX- texmf. PTeX is distributed as WEB change files.
You can contact the maintainers of this package via email at
texlive-extension dash maintainers at fedoraproject dot org.