+sub invalidate_version {
+ my ($self) = @_;
+
+ my $html = $self->render('requirement_spec/_version', { output => 0 },
+ requirement_spec => SL::DB::RequirementSpec->new(id => $::form->{requirement_spec_id} || $self->item->requirement_spec_id)->load);
+ return $self->js->html('#requirement_spec_version', $html);
+}
+