Studies on Sign Writing
You could, at least as a compromise, go to the international designation for
norwegian sign language as a written language. Didn't Rocha get SWML and
the various sw designations as affixes, like filename.sw passed
Getting a Dewey classification for .SW might be a good way to at least have
them all catalogued in the same place, even if the alphabetic designation is
Roman alphabet because of the necessities of computers.