my $add_remove = defined $matches[0] && $matches[0] eq 'un';
$ref = $matches[1];
$ref = exists $param{clonebugs}{$ref} ? $param{clonebugs}{$ref} : $ref;
my $add_remove = defined $matches[0] && $matches[0] eq 'un';
$ref = $matches[1];
$ref = exists $param{clonebugs}{$ref} ? $param{clonebugs}{$ref} : $ref;