for dir in "$HOME/lib" "$HOME/.ax" /usr/local /opt/ax /usr; do
[ -z "$ax_common_sourced" ] || break
ax_common="${dir}/lib/ax/ax-common.sh"
for dir in "$HOME/lib" "$HOME/.ax" /usr/local /opt/ax /usr; do
[ -z "$ax_common_sourced" ] || break
ax_common="${dir}/lib/ax/ax-common.sh"