This syspref is going to be used for populating field 008, range 15-17
with a desired default. It is currently hardcoded to 'xxu'. If not set,
it will still fallback to 'xxu'.
Signed-off-by: m23 <black23@gmail.com>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>