Document clearly that "_" is always in package "main".

p4raw-id: //depot/perl@18754

diff --git a/pod/perlvar.pod b/pod/perlvar.pod
index 4d1a31b..a4e8895 100644 (file)
--- a/pod/perlvar.pod
+++ b/pod/perlvar.pod
@@ -1482,7 +1482,7 @@ exempt in these ways:
        ENV             STDIN
        INC             STDOUT
        ARGV            STDERR
-       ARGVOUT
+       ARGVOUT         _
        SIG
 
 In particular, the new special C<${^_XYZ}> variables are always taken