# From http://sheerun.net/2014/03/21/how-to-boost-your-vim-productivity/
# Perhaps the one actually-good idea from this post.
fancy-ctrl-z () {
  if [[ $#BUFFER -eq 0 ]]; then
    BUFFER="fg"
    zle accept-line
  else
    zle push-input
    zle clear-screen
  fi
}
zle -N fancy-ctrl-z
bindkey '^Z' fancy-ctrl-z