SYNOPSIS
# prompts for paths
perl Makefile.PL
# doesn't prompt for paths
perl Makefile.PL --emacs /usr/bin/emacs \
--lisp /usr/share/emacs/site-lisp/sepia \
--info /usr/share/info
# prompts for paths
perl Makefile.PL
# doesn't prompt for paths
perl Makefile.PL --emacs /usr/bin/emacs \
--lisp /usr/share/emacs/site-lisp/sepia \
--info /usr/share/info