perlvar: Don’t mention dev version

Also, use the v convention used elsewhere in the same doc.

diff --git a/pod/perlvar.pod b/pod/perlvar.pod
index add3756..7cc0a18 100644 (file)
--- a/pod/perlvar.pod
+++ b/pod/perlvar.pod
@@ -410,14 +410,14 @@ The hash C<%ENV> contains your current environment.  Setting a
 value in C<ENV> changes the environment for any child processes
 you subsequently C<fork()> off.
 
-As of 5.17.3, both keys and values stored in C<%ENV> are stringified.
+As of v5.18.0, both keys and values stored in C<%ENV> are stringified.
 
     my $foo = 1;
     $ENV{'bar'} = \$foo;
     if( ref $ENV{'bar'} ) {
-        say "Pre 5.17.3 Behaviour";
+        say "Pre 5.18.0 Behaviour";
     } else {
-        say "Post 5.17.3 Behaviour";
+        say "Post 5.18.0 Behaviour";
     }
 
 Previously, only child processes received stringified values: