Mention that lexicalizing $a or $b is a bad idea if one

wants to use sort().

p4raw-id: //depot/perl@10409

diff --git a/pod/perlvar.pod b/pod/perlvar.pod
index da06055..b72f357 100644 (file)
--- a/pod/perlvar.pod
+++ b/pod/perlvar.pod
@@ -118,7 +118,9 @@ test.  Outside a C<while> test, this will not happen.
 Special package variables when using sort(), see L<perlfunc/sort>.
 Because of this specialness $a and $b don't need to be declared
 (using local(), use vars, or our()) even when using the strict
-vars pragma.
+vars pragma.  Don't lexicalize them with C<my $a> or C<my $b>
+if you want to be able to use them in the sort() comparison block
+or function.
 
 =back