my $stoppoint = delete $lacunose{$wit};
my $stopname = $stoppoint ? _anchor_name( $stoppoint ) : $c->start->id;
say STDERR "Adding lacuna for $wit between $stopname and $anchor";
- $DB::single = 1;
my $lacuna = $c->add_reading( { id => "as_$anchor.".$ctr++,
is_lacuna => 1 } );
_add_wit_path( $c, [ $lacuna ], $stopname, $aname, $wit );