- if (my $aside = defined $_->[2] && 'experimental') {
- $aside .= sprintf ' until %vd', $_->[2] if ref \$_->[2] eq 'VSTRING';
- $_->[1] .= qq{ <em class="ex">($aside)</em>};
+ if (defined (my $experimental = $_->[2])) {
+ my $title = 'experimental';
+ my $class = ' class="ex"';
+ if (ref \$experimental eq 'VSTRING') {
+ $title .= sprintf ' until %vd', $experimental;
+ }
+ elsif ($experimental) {
+ $class .= sprintf ' title="%s"', $experimental;
+ }
+ $_->[1] .= qq{ <em$class>($title)</em>};