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