Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
The returned C<$mappings> is not to to be confused with mappings provided by
C<_foreach_mapping>, rather this sub accepts properties from a mapping as
-provided by C<_foreach_mapping> and expands it to this internal data stucture.
+provided by C<_foreach_mapping> and expands it to this internal data structure.
In the caller context (C<_get_marc_mapping_rules>) the returned C<@mappings>
is then applied to each MARC target (leader, control field data, subfield or
joined subfields) and integrated into the mapping rules data structure used in