mktables: Preserve old format in some tables

Future commits will cause tables that map to code points to, in general,
use deltas instead.  This ensures that files that contain tables and
have been mentioned publicly in the past continue to have their current
contents and format, so that applications that read them (such as
Unicode::Normalize) are unaffected.

diff --git a/lib/unicore/mktables b/lib/unicore/mktables
index 4e6351e..3909483 100644 (file)
--- a/lib/unicore/mktables
+++ b/lib/unicore/mktables
@@ -8901,6 +8901,20 @@ sub finish_property_setup {
             $urs->add_alias('kRSUnicode');
         }
     }
+
+    # For backwards compatibility with applications that may read the mapping
+    # file directly (it was documented in 5.12 and 5.14 as being thusly
+    # usable), keep it from being compacted to use deltas.  (range_size_1 is
+    # used to force the traditional format.)
+    if (defined (my $nfkc_cf = property_ref('NFKC_Casefold'))) {
+        $nfkc_cf->set_to_output_map($EXTERNAL_MAP);
+        $nfkc_cf->set_range_size_1(1);
+    }
+    if (defined (my $bmg = property_ref('Bidi_Mirroring_Glyph'))) {
+        $bmg->set_to_output_map($EXTERNAL_MAP);
+        $bmg->set_range_size_1(1);
+    }
+
     return;
 }
 
@@ -10104,6 +10118,7 @@ END
                                         # body of the table
                                         Map_Type => $COMPUTE_NO_MULTI_CP,
                                         Type => $STRING,
+                                        To_Output_Map => $INTERNAL_MAP,
                                         );
         $Perl_decomp->set_proxy_for('Decomposition_Mapping', 'Decomposition_Type');
         $Perl_decomp->add_comment(join_lines(<<END
@@ -10859,6 +10874,7 @@ sub filter_arabic_shaping_line {
                                         Default_Map => $CODE_POINT,
                                         UCD => 0,
                                         Initialize => $full_table,
+                                        To_Output_Map => $EXTERNAL_MAP,
             );
 
             $full_table->add_comment(join_lines( <<END
@@ -11890,6 +11906,7 @@ END
                               Directory => $map_directory,
                               UCD => 0,
                               Type => $STRING,
+                              To_Output_Map => $EXTERNAL_MAP,
                               Range_Size_1 => 1,
                               Initialize => property_ref('Perl_Decimal_Digit'),
                             );
@@ -11909,6 +11926,7 @@ END
                     UCD => 0,
                     Range_Size_1 => 1,
                     Type => $STRING,
+                    To_Output_Map => $EXTERNAL_MAP,
                     Format => $HEX_FORMAT,
                     Initialize => property_ref('cf'),
     );