.. RocksDB options: Each is defined with and without the rocksdb
   prefix. Some have the abbreviated syntax 

.. |opt.rocksdb-no-create-column-family| replace:: :variable:`rocksdb_no_create_column_family`
.. |opt.no-create-column-family|         replace:: :variable:`rocksdb_no_create_column_family`
.. |opt.nccf|                            replace:: :variable:`rocksdb_no_create_column_family`

.. |opt.rocksdb-override-cf-options| replace:: :variable:`rocksdb_override_cf_options`
.. |opt.override-cf-options|         replace:: :variable:`rocksdb_override_cf_options`
.. |opt.ocfo|                        replace:: :variable:`rocksdb_override_cf_options`

.. |opt.rocksdb-default-cf-options| replace:: :variable:`rocksdb_default_cf_options`
.. |opt.default-cf-options|         replace:: :variable:`rocksdb_default_cf_options`
.. |opt.dcfo|                       replace:: :variable:`rocksdb_default_cf_options`

.. |opt.rocksdb-update-cf-options| replace:: :variable:`rocksdb_update_cf_options`
.. |opt.update-cf-options|         replace:: :variable:`rocksdb_update_cf_options`
.. |opt.ucfo|                      replace:: :variable:`rocksdb_update_cf_options`
