mktables: Fix bug for early Unicode versions

mktables should be able to be run on any Unicode version.  Prior to this
patch, it was trying to do something unconditionally with the Name_Alias
property, whereas it should only do that on versions that have this
property.

diff --git a/lib/unicore/mktables b/lib/unicore/mktables
index 94062f2..7b7af71 100644 (file)
--- a/lib/unicore/mktables
+++ b/lib/unicore/mktables
@@ -9941,7 +9941,7 @@ END
                        Range_Size_1 => \&output_perl_charnames_line,
                        Type => $STRING,
                        );
-        $perl_charname->set_proxy_for('Name', 'Name_Alias');
+        $perl_charname->set_proxy_for('Name');
 
         my $Perl_decomp = Property->new('Perl_Decomposition_Mapping',
                                         Directory => File::Spec->curdir(),
@@ -12212,6 +12212,7 @@ sub compile_perl() {
     my $alias = property_ref('Name_Alias');
     if (defined $alias) {
         push @composition, 'Name_Alias';
+        $perl_charname->set_proxy_for('Name_Alias');
         $alias->reset_each_range;
         while (my ($range) = $alias->each_range) {
             next if $range->value eq "";