pTeX/pLaTeX (Publishing TeX/LaTeX) are Japanese-support versions of
TeX/LaTeX in respectively and have the following new/improved features
as well as the one TeX has:
o it can layout text lines in vertically as well as horizontally, it
can even be mixed in the same page.
o it supports Japanese line-layout rules (kinsoku).
o it generates high quality page by adjusting the spacing between
Japanese-Japanese characters, or Japanese-Latin characters.
o it layout lines of the Japanese characters by JFM.
pTeX is developed by ASCII Corp. and now distributed under the BSD style
license.
This package contains executables and few configuration files.
