This is Perl module Lingua::JA::Expand.

INSTALLATION

Lingua::JA::Expand installation is straightforward. If your CPAN shell is set up,
you should just be able to do

   % cpan Lingua::JA::Expand

Download it, unpack it, then build it as per the usual:

   % perl Makefile.PL
   % make && make test

Then install it:

   % make install

DOCUMENTATION

Lingua::JA::Expand documentation is available as in POD. So you can do:

   % perldoc Lingua::JA::Expand

to read the documentation online with your favorite pager.

Takeshi Miki