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