only those fields that are currently implemented
in editeng/source/items/flditem.cxx and also match
with those in the specification are exported

Change-Id: I542cb0f827e161005e55452b5b6961dc642cd4e7
Reviewed-on: https://gerrit.libreoffice.org/20062Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Reviewed-by: Katarina Behrens <Katarina.Behrens@cib.de>