::
::::  /hook/gate/merge/helm/cat
  ::
/?  314
::
::::
  !:
|=  $:  [now=@da eny=@uvI bec=beak]
        [[syd=@tas her=@p sud=@tas gem=?([?(%auto germ) ~] ~)] ~]
    ==
:-  %helm-merge
[syd her sud ?~(gem %auto -.gem)]