oairepository: marcxml output format
- FIX Switches keys in CFG_OAI_METADATA_FORMATS configuration mapping. (closes #2962)
- FIX Amends bfe_oai_marcxml element since get_preformatted_record does not return a tuple anymore.
Signed-off-by: Jaime García <jaime.garcia.llopis@gmail.com>
Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>