This patch set the lang parameter when C4::Letters::GetPreparedLetter is
called to generate the notice.
Note that we do not need to pass it if want_librarian is set.
TODO: I do not know what to do with TransferSlip
Sponsored-by: Orex Digital
Signed-off-by: Hugo Agud <hagud@orex.es>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Jennifer Schmidt <jschmidt@switchinc.org>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
