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