Previously it was only accessible as "Native Numbering" and Locale option had to be set to Hebrew.

Still to implement: rtf/ooxml/.doc export/import
                    NATNUM2?

Change-Id: Ife9943a7d21e8f69c2761007dcefdf3e223fc261
Reviewed-on: https://gerrit.libreoffice.org/31901Reviewed-by: Eike Rathke <erack@redhat.com>
Tested-by: Jenkins <ci@libreoffice.org>