diff --git a/Changes b/Changes
index 85defa5..9b6ef65 100644
--- a/Changes
+++ b/Changes
@@ -1,8 +1,8 @@
 # Revision history for Perl extension Encode.
 #
-# $Id: Changes,v 3.19 2022/08/04 04:43:23 dankogai Exp dankogai $
+# $Id: Changes,v 3.20 2023/11/10 01:10:50 dankogai Exp dankogai $
 #
-$Revision: 3.19 $ $Date: 2022/08/04 04:43:23 $
+$Revision: 3.20 $ $Date: 2023/11/10 01:10:50 $
 ! t/Aliases.t t/CJKT.t t/Encode.t t/Encoder.t t/Unicode.t t/at-cn.t
   t/at-tw.t t/enc_data.t t/enc_eucjp.t t/enc_module.t t/enc_utf8.t
   t/encoding.t t/fallback.t t/grow.t t/gsm0338.t t/guess.t t/jperl.t
diff --git a/Encode.pm b/Encode.pm
index 8a2727f..9d0e32d 100644
--- a/Encode.pm
+++ b/Encode.pm
@@ -1,5 +1,5 @@
 #
-# $Id: Encode.pm,v 3.19 2022/08/04 04:42:30 dankogai Exp $
+# $Id: Encode.pm,v 3.20 2023/11/10 01:09:56 dankogai Exp $
 #
 package Encode;
 use strict;
@@ -7,7 +7,7 @@ use warnings;
 use constant DEBUG => !!$ENV{PERL_ENCODE_DEBUG};
 our $VERSION;
 BEGIN {
-    $VERSION = sprintf "%d.%02d", q$Revision: 3.19 $ =~ /(\d+)/g;
+    $VERSION = sprintf "%d.%02d", q$Revision: 3.20 $ =~ /(\d+)/g;
     require XSLoader;
     XSLoader::load( __PACKAGE__, $VERSION );
 }
diff --git a/bin/enc2xs b/bin/enc2xs
index 2c7a65c..502ae39 100755
--- a/bin/enc2xs
+++ b/bin/enc2xs
@@ -11,7 +11,7 @@ use warnings;
 use Getopt::Std;
 use Config;
 my @orig_ARGV = @ARGV;
-our $VERSION  = do { my @r = (q$Revision: 2.24 $ =~ /\d+/g); sprintf "%d."."%02d" x $#r, @r };
+our $VERSION  = do { my @r = (q$Revision: 2.25 $ =~ /\d+/g); sprintf "%d."."%02d" x $#r, @r };
 
 # These may get re-ordered.
 # RAW is a do_now as inserted by &enter
diff --git a/bin/encguess b/bin/encguess
index da2b813..d461a07 100755
--- a/bin/encguess
+++ b/bin/encguess
@@ -61,7 +61,7 @@ encguess - guess character encodings of files
 
 =head1 VERSION
 
-$Id: encguess,v 0.3 2020/12/02 01:28:17 dankogai Exp $
+$Id: encguess,v 0.4 2023/11/10 01:10:50 dankogai Exp dankogai $
 
 =head1 SYNOPSIS
 
diff --git a/t/Encoder.t b/t/Encoder.t
index e5fcccf..216cb6d 100644
--- a/t/Encoder.t
+++ b/t/Encoder.t
@@ -1,5 +1,5 @@
 #
-# $Id: Encoder.t,v 2.1 2013/09/14 07:51:59 dankogai Exp $
+# $Id: Encoder.t,v 2.2 2023/11/10 01:10:50 dankogai Exp dankogai $
 #
 
 BEGIN {
diff --git a/t/Unicode.t b/t/Unicode.t
index f043e7e..13aa0d6 100644
--- a/t/Unicode.t
+++ b/t/Unicode.t
@@ -1,5 +1,5 @@
 #
-# $Id: Unicode.t,v 2.4 2021/07/23 02:26:54 dankogai Exp $
+# $Id: Unicode.t,v 2.5 2023/11/10 01:10:50 dankogai Exp dankogai $
 #
 # This script is written entirely in ASCII, even though quoted literals
 # do include non-BMP unicode characters -- Are you happy, jhi?
diff --git a/t/enc_data.t b/t/enc_data.t
index 77eaa45..131d779 100644
--- a/t/enc_data.t
+++ b/t/enc_data.t
@@ -1,4 +1,4 @@
-# $Id: enc_data.t,v 2.6 2022/04/07 03:06:40 dankogai Exp $
+# $Id: enc_data.t,v 2.7 2023/11/10 01:10:50 dankogai Exp dankogai $
 
 BEGIN {
     require Config; Config->import();
diff --git a/t/enc_eucjp.t b/t/enc_eucjp.t
index afe4fb8..e7217a9 100644
--- a/t/enc_eucjp.t
+++ b/t/enc_eucjp.t
@@ -1,4 +1,4 @@
-# $Id: enc_eucjp.t,v 2.6 2019/01/31 04:26:40 dankogai Exp $
+# $Id: enc_eucjp.t,v 2.7 2023/11/10 01:10:50 dankogai Exp dankogai $
 # This is the twin of enc_utf8.t .
 
 BEGIN {
diff --git a/t/enc_module.t b/t/enc_module.t
index cc880e5..c3ac81e 100644
--- a/t/enc_module.t
+++ b/t/enc_module.t
@@ -1,4 +1,4 @@
-# $Id: enc_module.t,v 2.6 2022/04/07 03:06:40 dankogai Exp $
+# $Id: enc_module.t,v 2.7 2023/11/10 01:10:50 dankogai Exp dankogai $
 # This file is in euc-jp
 BEGIN {
     require Config; Config->import();
diff --git a/t/enc_utf8.t b/t/enc_utf8.t
index 3b22703..1025176 100644
--- a/t/enc_utf8.t
+++ b/t/enc_utf8.t
@@ -1,4 +1,4 @@
-# $Id: enc_utf8.t,v 2.6 2019/12/25 09:23:21 dankogai Exp $
+# $Id: enc_utf8.t,v 2.7 2023/11/10 01:10:50 dankogai Exp dankogai $
 # This is the twin of enc_eucjp.t .
 
 BEGIN {
diff --git a/t/jperl.t b/t/jperl.t
index a63a14b..38fab02 100644
--- a/t/jperl.t
+++ b/t/jperl.t
@@ -1,5 +1,5 @@
 #
-# $Id: jperl.t,v 2.6 2022/04/07 03:06:40 dankogai Exp $
+# $Id: jperl.t,v 2.7 2023/11/10 01:10:50 dankogai Exp dankogai $
 #
 # This script is written in euc-jp
 
diff --git a/t/mime-header.t b/t/mime-header.t
index 032f426..ebd5153 100644
--- a/t/mime-header.t
+++ b/t/mime-header.t
@@ -1,5 +1,5 @@
 #
-# $Id: mime-header.t,v 2.16 2022/06/25 01:58:57 dankogai Exp $
+# $Id: mime-header.t,v 2.17 2023/11/10 01:10:50 dankogai Exp dankogai $
 # This script is written in utf8
 #
 BEGIN {
diff --git a/t/mime-name.t b/t/mime-name.t
index 9fa5572..3275f11 100644
--- a/t/mime-name.t
+++ b/t/mime-name.t
@@ -1,5 +1,5 @@
 #
-# $Id: mime-name.t,v 1.3 2017/10/06 22:21:53 dankogai Exp $
+# $Id: mime-name.t,v 1.4 2023/11/10 01:10:50 dankogai Exp dankogai $
 # This script is written in utf8
 #
 BEGIN {
diff --git a/t/rt.pl b/t/rt.pl
index 4c20dbf..a512ac7 100644
--- a/t/rt.pl
+++ b/t/rt.pl
@@ -1,6 +1,6 @@
 #!/usr/local/bin/perl
 #
-# $Id: rt.pl,v 2.1 2006/05/03 18:24:10 dankogai Exp $
+# $Id: rt.pl,v 2.2 2023/11/10 01:10:50 dankogai Exp dankogai $
 #
 
 BEGIN {