According to Yuval, Tie::RefHash is maintained at http://github.com/nothingmuch/tie...

diff --git a/Porting/Maintainers.pl b/Porting/Maintainers.pl
index 997f901..b8076a7 100644 (file)
--- a/Porting/Maintainers.pl
+++ b/Porting/Maintainers.pl
@@ -1079,7 +1079,7 @@ package Maintainers;
                'MAINTAINER'    => 'nuffin',
                'FILES'         => q[lib/Tie/RefHash.pm lib/Tie/RefHash],
                'CPAN'          => 1,
-               'UPSTREAM'      => undef,
+               'UPSTREAM'      => 'cpan',
                },
 
        'Time::HiRes' =>