POSIX:2024 (page 1193, line 40734) specifies that the LANGUAGE environment
variable should be ignored if its value is empty. NetBSD's *gettext()
functions don't do this.
2024-07-19 Bruno Haible <br...@clisp.org>
doc: Mention a bug in NetBSD's *gettext functions.
* doc/glibc-functions/gettext.texi: Mention buggy handling of empty
LANGUAGE environment variable.
* doc/glibc-functions/dgettext.texi: Likewise.
* doc/glibc-functions/dcgettext.texi: Likewise.
* doc/glibc-functions/ngettext.texi: Likewise.
* doc/glibc-functions/dngettext.texi: Likewise.
* doc/glibc-functions/dcngettext.texi: Likewise.
diff --git a/doc/glibc-functions/dcgettext.texi
b/doc/glibc-functions/dcgettext.texi
index f6e76e963c..9fa436b220 100644
--- a/doc/glibc-functions/dcgettext.texi
+++ b/doc/glibc-functions/dcgettext.texi
@@ -31,4 +31,9 @@
@item
This function is missing on some platforms:
macOS 14, FreeBSD 14.0, OpenBSD 6.7, Minix 3.1.8, HP-UX 11, Cygwin 2.9, mingw,
MSVC 14, Android 9.0.
+@item
+This function does not treat a @code{LANGUAGE} environment variable
+with an empty value like an unset @code{LANGUAGE} environment variable
+on some platforms:
+NetBSD 10.0.
@end itemize
diff --git a/doc/glibc-functions/dcngettext.texi
b/doc/glibc-functions/dcngettext.texi
index 32bb3f8666..24b420c867 100644
--- a/doc/glibc-functions/dcngettext.texi
+++ b/doc/glibc-functions/dcngettext.texi
@@ -31,4 +31,9 @@
@item
This function is missing on some platforms:
macOS 14, FreeBSD 14.0, OpenBSD 6.7, Minix 3.1.8, HP-UX 11, Cygwin 2.9, mingw,
MSVC 14, Android 9.0.
+@item
+This function does not treat a @code{LANGUAGE} environment variable
+with an empty value like an unset @code{LANGUAGE} environment variable
+on some platforms:
+NetBSD 10.0.
@end itemize
diff --git a/doc/glibc-functions/dgettext.texi
b/doc/glibc-functions/dgettext.texi
index b7cbbb0bd9..5d06c8fc80 100644
--- a/doc/glibc-functions/dgettext.texi
+++ b/doc/glibc-functions/dgettext.texi
@@ -31,4 +31,9 @@
@item
This function is missing on some platforms:
macOS 14, FreeBSD 14.0, OpenBSD 6.7, Minix 3.1.8, HP-UX 11, Cygwin 2.9, mingw,
MSVC 14, Android 9.0.
+@item
+This function does not treat a @code{LANGUAGE} environment variable
+with an empty value like an unset @code{LANGUAGE} environment variable
+on some platforms:
+NetBSD 10.0.
@end itemize
diff --git a/doc/glibc-functions/dngettext.texi
b/doc/glibc-functions/dngettext.texi
index db9a4389c9..a8acedf55d 100644
--- a/doc/glibc-functions/dngettext.texi
+++ b/doc/glibc-functions/dngettext.texi
@@ -31,4 +31,9 @@
@item
This function is missing on some platforms:
macOS 14, FreeBSD 14.0, OpenBSD 6.7, Minix 3.1.8, HP-UX 11, Cygwin 2.9, mingw,
MSVC 14, Android 9.0.
+@item
+This function does not treat a @code{LANGUAGE} environment variable
+with an empty value like an unset @code{LANGUAGE} environment variable
+on some platforms:
+NetBSD 10.0.
@end itemize
diff --git a/doc/glibc-functions/gettext.texi b/doc/glibc-functions/gettext.texi
index ec9a81f341..8c11136b42 100644
--- a/doc/glibc-functions/gettext.texi
+++ b/doc/glibc-functions/gettext.texi
@@ -31,4 +31,9 @@
@item
This function is missing on some platforms:
macOS 14, FreeBSD 14.0, OpenBSD 6.7, Minix 3.1.8, HP-UX 11, Cygwin 2.9, mingw,
MSVC 14, Android 9.0.
+@item
+This function does not treat a @code{LANGUAGE} environment variable
+with an empty value like an unset @code{LANGUAGE} environment variable
+on some platforms:
+NetBSD 10.0.
@end itemize
diff --git a/doc/glibc-functions/ngettext.texi
b/doc/glibc-functions/ngettext.texi
index 13bb1f8dac..8aa5869597 100644
--- a/doc/glibc-functions/ngettext.texi
+++ b/doc/glibc-functions/ngettext.texi
@@ -31,4 +31,9 @@
@item
This function is missing on some platforms:
macOS 14, FreeBSD 14.0, OpenBSD 6.7, Minix 3.1.8, HP-UX 11, Cygwin 2.9, mingw,
MSVC 14, Android 9.0.
+@item
+This function does not treat a @code{LANGUAGE} environment variable
+with an empty value like an unset @code{LANGUAGE} environment variable
+on some platforms:
+NetBSD 10.0.
@end itemize
