post_install () {
  echo "==> To enable tabbedex place the following in ~/.Xdefaults"
  echo "==> URxvt.perl-ext-common:  default,tabbedex"
  echo "==> For documentation see urxvtperl man file (section on the tabbed"
  echo "==> extension), also see the comments at the top of the tabbedex source"
  echo "==> code: /usr/lib/urxvt/perl/tabbedex"
}

post_upgrade () {
  post_install $1
}