LC_COLLATE.

Big patch to add, document, and test LC_COLLATE support.

enhanced setlocale() docs and introduced the one-argument variant doc.

diff --git a/ext/POSIX/POSIX.pod b/ext/POSIX/POSIX.pod
index aa7a008..a8cd0d1 100644 (file)
--- a/ext/POSIX/POSIX.pod
+++ b/ext/POSIX/POSIX.pod
@@ -849,10 +849,30 @@ setjmp() is C-specific: use eval {} instead.
 
 Modifies and queries program's locale.
 
-The following will set the traditional UNIX system locale behavior.
+The following will set the traditional UNIX system locale behavior
+(the second argument C<"C">).
 
        $loc = POSIX::setlocale( &POSIX::LC_ALL, "C" );
 
+The following will query (the missing second argument) the current
+LC_CTYPE category.
+
+       $loc = POSIX::setlocale( &POSIX::LC_CTYPE);
+
+The following will set the LC_CTYPE behaviour according to the locale
+environment variables (the second argument C<"">).
+Please see your systems L<setlocale(3)> documentation for the locale
+environment variables' meaning or consult L<perli18n>.
+
+       $loc = POSIX::setlocale( &POSIX::LC_CTYPE, "");
+
+The following will set the LC_COLLATE behaviour to Argentinian
+Spanish. B<NOTE>: The naming and availability of locales depends on
+your operating system. Please consult L<perli18n> for how to find
+out which locales are available in your system.
+
+       $loc = POSIX::setlocale( &POSIX::LC_ALL, "es_AR.ISO8859-1" );
+
 =item setpgid
 
 This is similar to the C function C<setpgid()>.