=item 6. Items in C<invoice> are updated according to their allocation
status (regarding for costs of goold sold). Will only be done if
Lx-Office is not configured to use Einnahmenüberschussrechnungen
-(C<$::eur>).
+(see config/lx_office.conf, section "system", variable "eur").
=item 7. The invoice and its items are saved.