Also locale names can contain illegal UTF-8.

[p5sagit/p5-mst-13.2.git] / lib / open.pm

diff --git a/lib/open.pm b/lib/open.pm
index f7e594b..c294093 100644 (file)
--- a/lib/open.pm
+++ b/lib/open.pm
@@ -1,7 +1,7 @@
 package open;
 use warnings;
 use Carp;
-$open::hint_bits = 0x20000;
+$open::hint_bits = 0x20000; # HINT_LOCALIZE_HH
 
 our $VERSION = '1.01';
 
@@ -27,6 +27,7 @@ sub _get_locale_encoding {
            } elsif ($ENV{LANG} =~ /^([^.]+)\.([^.]+)$/) {
                ($country_language, $locale_encoding) = ($1, $2);
            }
+           # LANGUAGE affects only LC_MESSAGES only on glibc
        } elsif (not $locale_encoding) {
            if ($ENV{LC_ALL} =~ /\butf-?8\b/i ||
                $ENV{LANG}   =~ /\butf-?8\b/i) {
@@ -94,8 +95,8 @@ sub import {
                my $target = $layer;            # the layer name itself
                $target =~ s/^(\w+)\(.+\)$/$1/; # strip parameters
 
-               unless(PerlIO::Layer::->find($target)) {
-                   warnings::warnif("layer", "Unknown PerlIO layer '$layer'");
+               unless(PerlIO::Layer::->find($target,1)) {
+                   warnings::warnif("layer", "Unknown PerlIO layer '$target'");
                }
            }
            push(@val,":$layer");
@@ -165,12 +166,9 @@ Perl is configured to use PerlIO as its IO system (which is now the
 default).
 
 The C<open> pragma serves as one of the interfaces to declare default
-"layers" for all I/O.
-
-The C<open> pragma is used to declare one or more default layers for
-I/O operations.  Any open(), readpipe() (aka qx//) and similar
-operators found within the lexical scope of this pragma will use the
-declared defaults.
+"layers" (also known as "disciplines") for all I/O. Any open(),
+readpipe() (aka qx//) and similar operators found within the lexical
+scope of this pragma will use the declared defaults.
 
 With the C<IN> subpragma you can declare the default layers
 of input streams, and with the C<OUT> subpragma you can declare
@@ -253,7 +251,7 @@ pragma.
 
 =back
 
-If your locale environment variables (LANGUAGE, LC_ALL, LC_CTYPE, LANG)
+If your locale environment variables (LC_ALL, LC_CTYPE, LANG)
 contain the strings 'UTF-8' or 'UTF8' (case-insensitive matching),
 the default encoding of your STDIN, STDOUT, and STDERR, and of
 B<any subsequent file open>, is UTF-8.