This is Perl module Text::AAlib.

INSTALLATION

Text::AAlib installation is straightforward.
If your CPAN shell is set up, you should just be able to do

    % cpan Text::AAlib

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

    % perl Makefile.PL
    % make && make test

Then install it:

    % make install

DOCUMENTATION

Text::AAlib documentation is available as in POD.
So you can do:

    % perldoc Text::AAlib

to read the documentation online with your favorite pager.

Syohei YOSHIDA