;;; Conventionally a string like "0.6.6", with three numeric fields,
;;; is used for released versions, and a string like "0.6.5.12", with
;;; four numeric fields, is used for versions which aren't released
;;; Conventionally a string like "0.6.6", with three numeric fields,
;;; is used for released versions, and a string like "0.6.5.12", with
;;; four numeric fields, is used for versions which aren't released