OP_MAIN_CHANGE_GROUP_READONLY "open a different newsgroup in read only mode"
OP_MAIN_CLEAR_FLAG "clear a status flag from a message"
OP_MAIN_DELETE_PATTERN "delete messages matching a pattern"
+OP_REBUILD_CACHE "rebuild header caching databases"
OP_RECONSTRUCT_THREAD "reconstruct thread containing current message"
OP_MAIN_IMAP_FETCH "force retrieval of mail from IMAP server"
OP_MAIN_FETCH_MAIL "retrieve mail from POP server"