link to the 2011 advent article

[p5sagit/local-lib.git] / lib / local / lib.pm

diff --git a/lib/local/lib.pm b/lib/local/lib.pm
index d56254a..d663bb4 100644 (file)
--- a/lib/local/lib.pm
+++ b/lib/local/lib.pm
@@ -10,7 +10,7 @@ use File::Spec ();
 use File::Path ();
 use Config;
 
-our $VERSION = '1.008008'; # 1.8.8
+our $VERSION = '1.008010'; # 1.8.10
 
 our @KNOWN_FLAGS = qw(--self-contained --deactivate --deactivate-all);
 
@@ -405,7 +405,7 @@ sub _env_list_value {
                  && (!$options{exists} || -e $_))
     } map {
       if (ref $_ eq 'SCALAR' && $options{interpolate} == INTERPOLATE_ENV) {
-        exists $ENV{${$_}} ? (split /\Q$Config{path_sep}/, $ENV{${$_}}) : ()
+        defined $ENV{${$_}} ? (split /\Q$Config{path_sep}/, $ENV{${$_}}) : ()
       } else {
         $_
       }
@@ -1024,6 +1024,14 @@ On Win32 systems, C<COMSPEC> is also examined.
 
 =back
 
+=head1 SEE ALSO
+
+=over 4
+
+=item * L<Perl Advent article, 2011|http://perladvent.org/2011/2011-12-01.html>
+
+=back
+
 =head1 SUPPORT
 
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