- if (defined $mnem) {
- push @class, $class =~ /\bXz\b/ ? ('l2', 'u-prop') # unofficial
- : ('l3', 'u-di'); # standard digraph
+ if ($class =~ /\bu-di\b/) {
+ push @class, ('l3', 'u-di'); # standard digraph
+ }
+ elsif ($class =~ /\bu-prop\b/) {
+ push @class, ('l2', 'u-prop'); # unofficial