locale-*.m4: Update comments

[Bruno Haible]

The locale names in Solaris 10 and Solaris 7 follow the same conventions.


2024-03-05  Bruno Haible  <bruno@clisp.org>

        locale-*.m4: Update comments.
        * m4/locale-ar.m4: Update comments for Solaris 10.
        * m4/locale-fr.m4: Likewise.
        * m4/locale-ja.m4: Likewise.
        * m4/locale-tr.m4: Likewise.

diff --git a/m4/locale-ar.m4 b/m4/locale-ar.m4
index e7d23f44b4..f431b535fc 100644
--- a/m4/locale-ar.m4
+++ b/m4/locale-ar.m4
@@ -84,7 +84,7 @@ AC_DEFUN_ONCE([gt_LOCALE_AR]
           #   - The usual locale name:                         ar_SA
           #   - The locale name with explicit encoding suffix: ar_SA.ISO-8859-6
           #   - The HP-UX locale name:                         ar_SA.iso88596
-          #   - The Solaris 7 locale name:                     ar
+          #   - The Solaris 10 locale name:                    ar
           # Also try ar_EG instead of ar_SA because Egypt is a large country 
too.
           for gt_cv_locale_ar in ar_SA ar_SA.ISO-8859-6 ar_SA.iso88596 ar_EG 
ar_EG.ISO-8859-6 ar_EG.iso88596 ar none; do
             if test $gt_cv_locale_ar = none; then
diff --git a/m4/locale-fr.m4 b/m4/locale-fr.m4
index c9528562e7..53750b5b38 100644
--- a/m4/locale-fr.m4
+++ b/m4/locale-fr.m4
@@ -116,7 +116,7 @@ AC_DEFUN_ONCE([gt_LOCALE_FR]
                 if (LC_ALL=fr_FR.iso88591 LC_TIME= LC_CTYPE= ./conftest; exit) 
2>/dev/null; then
                   gt_cv_locale_fr=fr_FR.iso88591
                 else
-                  # Test for the Solaris 7 locale name.
+                  # Test for the Solaris 10 locale name.
                   if (LC_ALL=fr LC_TIME= LC_CTYPE= ./conftest; exit) 
2>/dev/null; then
                     gt_cv_locale_fr=fr
                   else
@@ -250,7 +250,7 @@ AC_DEFUN_ONCE([gt_LOCALE_FR_UTF8]
                 if (LC_ALL=fr_FR.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 
2>/dev/null; then
                   gt_cv_locale_fr_utf8=fr_FR.UTF-8
                 else
-                  # Test for the Solaris 7 locale name.
+                  # Test for the Solaris 10 locale name.
                   if (LC_ALL=fr.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 
2>/dev/null; then
                     gt_cv_locale_fr_utf8=fr.UTF-8
                   else
diff --git a/m4/locale-ja.m4 b/m4/locale-ja.m4
index 71a9863b47..852ce940c1 100644
--- a/m4/locale-ja.m4
+++ b/m4/locale-ja.m4
@@ -117,7 +117,7 @@ AC_DEFUN_ONCE([gt_LOCALE_JA]
                 if (LC_ALL=ja_JP.EUC LC_TIME= LC_CTYPE= ./conftest; exit) 
2>/dev/null; then
                   gt_cv_locale_ja=ja_JP.EUC
                 else
-                  # Test for the Solaris 7 locale name.
+                  # Test for the Solaris 10 locale name.
                   if (LC_ALL=ja LC_TIME= LC_CTYPE= ./conftest; exit) 
2>/dev/null; then
                     gt_cv_locale_ja=ja
                   else
diff --git a/m4/locale-tr.m4 b/m4/locale-tr.m4
index b68e429a87..37fd920492 100644
--- a/m4/locale-tr.m4
+++ b/m4/locale-tr.m4
@@ -105,7 +105,7 @@ AC_DEFUN_ONCE([gt_LOCALE_TR_UTF8]
             if (LC_ALL=tr_TR.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 
2>/dev/null; then
               gt_cv_locale_tr_utf8=tr_TR.UTF-8
             else
-              # Test for the Solaris 7 locale name.
+              # Test for the Solaris 10 locale name.
               if (LC_ALL=tr.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 
2>/dev/null; then
                 gt_cv_locale_tr_utf8=tr.UTF-8
               else