+ $input =~ s/^\\//; # escaped char
+ ($cell, $title, my $class, $mnem, $entity) = $self->glyphs_html($input);
+ my $codepoint = ord $input;
+
+ if ($self->{style} eq 'univer') {
+ if ($input =~ /\p{age=unassigned}/) {
+ # check include for assignments after unicode 6.0 (perl v5.14)
+ state $agemap = do 'unicode-age.inc.pl';
+ my $version = $agemap->{$codepoint};
+ push @class, $version ? 'l2' : 'l1';
+ }
+ elsif ($input =~ /^\p{in=1.1}*$/) {
+ push @class, 'l5'; # first release 1993
+ }
+ elsif ($input =~ /^\p{in=3.0}*$/) {
+ push @class, 'l4'; # 20th century
+ }
+ elsif ($input =~ /^\p{in=4.1}*$/) {
+ push @class, 'l4'; # over 10 years ago
+ }
+ elsif ($input =~ /^\p{in=6.0}*$/) {
+ push @class, 'l3'; # before 2012
+ }
+ else {
+ push @class, 'l2'; # more recent
+ }
+ next;
+ }