ref: a39ae178fcc4387fe63efea4d15b34d52f4a13de
dir: /appl/alphabet/fsdecl.sh/
load alphabet std typeset /fs declare /fs/walk declare /fs/entries declare /fs/match declare /fs/print autoconvert /string /fs/fs /fs/walk autoconvert /fs/fs /fs/entries /fs/entries autoconvert /string /fs/gate /fs/match autoconvert /fs/entries /fd /fs/print