*{.sh,run}: use new local_export instead of local...export. this still requires calling echo_vars manually, because local_export is an alias (and must be, to define the var in the caller's context).
*{.sh,run}: use new local_export instead of local...export. this still requires calling echo_vars manually, because local_export is an alias (and must be, to define the var in the caller's context).