Add a reference to the docs for state() variables in feature.pm

(suggested by Michael G Schwern)

p4raw-id: //depot/perl@29816

diff --git a/lib/feature.pm b/lib/feature.pm
index 4a828d2..1c557fa 100644 (file)
--- a/lib/feature.pm
+++ b/lib/feature.pm
@@ -92,6 +92,8 @@ The 'dor' feature is an alias for the 'err' feature.
 C<use feature 'state'> tells the compiler to enable C<state>
 variables from here to the end of the enclosing BLOCK.
 
+See L<perlsub/"Persistent Private Variables"> for details.
+
 =head1 FEATURE BUNDLES
 
 It's possible to load a whole slew of features in one go, using