my $limit_seq;
if (defined $root) {
$limit_seq = $out_seq;
- my $nseq = $self->find_scope_st($root->sibling) if ${$root->sibling};
+ my $nseq;
+ $nseq = $self->find_scope_st($root->sibling) if ${$root->sibling};
$limit_seq = $nseq if !defined($limit_seq)
or defined($nseq) && $nseq < $limit_seq;
}