Code grclass. Added on 2018-04-22. Description: Classical Occitan orthography. Possible prefix: oc Possible prefix: oc-aranes Possible prefix: oc-auvern Possible prefix: oc-cisaup Possible prefix: oc-creiss Possible prefix: oc-gascon Possible prefix: oc-lemosin Possible prefix: oc-lengadoc Possible prefix: oc-nicard Possible prefix: oc-provenc Possible prefix: oc-vivaraup Comment: Classical written standard for Occitan developed in 1935 by Alibèrt