$ ./rrev openssl -v
openssl
  ppp
    wvdial
    rp-pppoe
  curl
    httpup
    git
      cogito
      qgit
  bindutils
  wvdial
  openssh
    rsync
  git
    cogito
    qgit
  ntp
  cups
    ghostscript
      imagemagick
        lyx
      netpbm
        xscreensaver
          rss-glx
    gimp-print
      gimp
    bluez-utils
  neon
    subversion
      xxdiff-svn
  pine
  ruby
    rubygems
      rake
        rails
      rails
      activesupport
        activerecord
          rails
          actionwebservice
            rails
        rails
        actionpack
          actionwebservice
            rails
          actionmailer
            rails
        actionwebservice
          rails
  webfs
  elinks
  python
    ketchup
    python-xlib
      pypanel
    libxml2
      imagemagick
        lyx
      php-fastcgi
      libglade
        xscreensaver
          rss-glx
    libglade
      xscreensaver
        rss-glx
    bluez-utils
  rubygems
    rake
      rails
    rails
    activesupport
      activerecord
        rails
        actionwebservice
          rails
      rails
      actionpack
        actionwebservice
          rails
        actionmailer
          rails
      actionwebservice
        rails