charset: strip private use characters from MacThai

diff --git a/charset-encoding.inc.pl b/charset-encoding.inc.pl
index c402187a201d99acca878351470c15542a8767bd..b40d75a2661871ff776613da8a82115e742a4d15 100644 (file)
--- a/charset-encoding.inc.pl
+++ b/charset-encoding.inc.pl
@@ -28,7 +28,7 @@ use utf8;
                           +600 +8A0-8BF+8E0 +750-77F )],
        greek      => [qw( iso-8859-7 cp1253 MacGreek cp737 cp869  +370 +1F00 )],
        hebrew     => [qw( iso-8859-8 cp1255 MacHebrew cp862  +590 )],
-       thai       => [qw( iso-8859-11 cp874 MacThai )],
+       thai       => [qw( iso-8859-11 cp874 MacThai )], # U+0E00 identical to iso-8859-11
        vietnamese => [qw( viscii cp1258 MacVietnamese )],
        symbols    => [qw( symbol dingbats MacDingbats wingdings wingdings2 wingdings3 webdings )],
 
@@ -142,6 +142,20 @@ use utf8;
        },
        'macarabic'    => {inherit => ['iso-8859-6' => '80', 'cp864' => '80', 'MacRoman' => '80']}, #TODO: multiple parents
        'macfarsi'     => {inherit => ['MacArabic' => 'B0-BF', 'MacRoman' => '80']},
+       'macthai'      => {
+               inherit => ['iso-8859-11' => '80-9F+D0'],
+               replace => {
+                       # strip appended private use characters for unneeded roundtrip
+                       0x83 => "\x{E48}", 0x88 => "\x{E48}", 0x98 => "\x{E48}",
+                       0x84 => "\x{E49}", 0x89 => "\x{E49}", 0x99 => "\x{E49}",
+                       0x85 => "\x{E4A}", 0x8A => "\x{E4A}", 0x9A => "\x{E4A}",
+                       0x86 => "\x{E4B}", 0x8B => "\x{E4B}", 0x9B => "\x{E4B}",
+                       0x87 => "\x{E4C}", 0x8C => "\x{E4C}", 0x9C => "\x{E4C}",
+                       0x8F => "\x{E4D}",
+                       0x92 => "\x{E31}", 0x93 => "\x{E47}", 0x94 => "\x{E34}",
+                       0x95 => "\x{E35}", 0x96 => "\x{E36}", 0x97 => "\x{E37}",
+               },
+       },
 
        'cp37'         => {inherit => ['posix-bc' => '00']},
        'posix-bc'     => {inherit => ['cp1047' => '40']},