# before send (and line generation) things
# function must return true to make the send happen
$sub = "before_send_$class";
- return unless $thing->can($sub) && $thing->$sub($dxchan);
+ if ($thing->can($sub)) {
+ return $thing->$sub($dxchan);
+ }
# generate the protocol line which may (or not) be cached
my $ref;