153
154
if (UNIVERSAL::isa($target,'Bio::DB::GFF::Typename')) {
154
155
($method,$source) = ($target->method,$target->source);
156
157
($method,$source) = split /:/,$target;
159
162
return if $method ne '' && $self->method ne '' && $method ne $self->method;
160
163
return if $source ne '' && $self->source ne '' && $source ne $self->source;