tree 37767241f455027678d5f704927ba7b4c8f2707c
parent 1af3bad8b63b2b6886123d9e681782781a62efca
author Rob Landley <rob@landley.net> 1458183319 -0500
committer Rob Landley <rob@landley.net> 1458183319 -0500

expr cleanup: traverse optargs with tok instead of incrementing optargs and
copying itinto a second variable. Also add error message for empty ( )