1 files changed, 8 insertions, 6 deletions

diff --git a/gl/m4/locale-ja.m4 b/gl/m4/locale-ja.m4
index 8423bcb9..ee4309ed 100644
--- a/gl/m4/locale-ja.m4
+++ b/gl/m4/locale-ja.m4
@@ -1,9 +1,10 @@
 # locale-ja.m4
-# serial 18
-dnl Copyright (C) 2003, 2005-2024 Free Software Foundation, Inc.
+# serial 21
+dnl Copyright (C) 2003, 2005-2026 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 dnl From Bruno Haible.
 
@@ -86,10 +87,11 @@ int main ()
     if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
       case "$host_os" in
         # Handle native Windows specially, because there setlocale() interprets
-        # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256",
+        # "ar" or "ara" as "Arabic" or "Arabic_Saudi Arabia.1256",
+        # "en" or "eng" as "English" or "English_United States.1252",
         # "fr" or "fra" as "French" or "French_France.1252",
         # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
-        # "ja" as "Japanese" or "Japanese_Japan.932",
+        # "ja" or "jpn" as "Japanese" or "Japanese_Japan.932",
         # and similar.
         mingw* | windows*)
           # Note that on native Windows, the Japanese locale is
@@ -110,11 +112,11 @@ int main ()
             if (LC_ALL=ja_JP.EUC-JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
               gt_cv_locale_ja=ja_JP.EUC-JP
             else
-              # Test for the HP-UX, OSF/1, NetBSD locale name.
+              # Test for the HP-UX, NetBSD locale name.
               if (LC_ALL=ja_JP.eucJP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
                 gt_cv_locale_ja=ja_JP.eucJP
               else
-                # Test for the IRIX, FreeBSD locale name.
+                # Test for the FreeBSD locale name.
                 if (LC_ALL=ja_JP.EUC LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
                   gt_cv_locale_ja=ja_JP.EUC
                 else