Display bash-like (args: N) when using multipliers

zsh-alt-args.zsh

# Display NUMERIC too
zle -N digit-argument _digit_argument
zle -N neg-argument _digit_argument
function _digit_argument () {
  if [[ $WIDGET = neg-argument ]]; then
    if [[ -n $NUMERIC ]]; then
      zle -M - ""
    else
      zle -M - -
    fi
  elif [[ $LASTWIDGET = neg-argument ]]; then
    zle -M - "$((NUMERIC * $KEYS[-1] ? NUMERIC * $KEYS[-1] : $KEYS[-1]))"
  else
      zle -M - "(arg: $NUMERIC$KEYS[-1])"
  fi
  zle .$WIDGET
}