post_install() {
  cat << _EOF 

==> IMPORTANT!!!
==> To prevent overwriting your existing configuration, nanorc
==> was installed to /usr/share/nano-syntax-highlighting/nanorc.sample
==>
==> To install you should add the languages you want to your nano configuration file, system-wide or user-specific
==> system-wide: $ echo "include /usr/share/nano-syntax-highlighting/*.nanorc" >> /etc/nanorc
==> user-specific: $ echo "include /usr/share/nano-syntax-highlighting/*.nanorc" >> ~/.nanorc

_EOF
}

post_upgrade() {
  post_install $1
}