This is Perl module Win32::Unicode.
INSTALLATION
Win32::Unicode installation is straightforward. If your CPAN shell is set up, you should just be able to do
% cpan Win32::Unicode
Download it, unpack it, then build it as per the usual:
% perl Makefile.PL
% make && make test (or nmake && nmake test)
Then install it:
% make install (or nmake install)
DOCUMENTATION
Win32::Unicode documentation is available as in POD. So you can do:
% perldoc Win32::Unicode
to read the documentation online with your favorite pager.
xaicron