#!/bin/sh
#
# ax-common.sh -- Common Functions for Shell Scripts
-# Copyright (c)2013-2015 Alexander Barton (alex@barton.de)
+# Copyright (c)2013-2017 Alexander Barton (alex@barton.de)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# (at your option) any later version.
#
+# "ax_common_sourced" is a flag and stores the "API version" of "ax-common.sh",
+# too. It should be incremented each time the public API changes!
# shellcheck disable=SC2034
-ax_common_sourced=1
+ax_common_sourced=2
# Display a colored message.
# $1 Level: -=title, 0=ok, 1=warning, 2=error.