Sort perldiag.

[p5sagit/p5-mst-13.2.git] / pod / perlvar.pod

diff --git a/pod/perlvar.pod b/pod/perlvar.pod
index dfb17e3..8fc7441 100644 (file)
--- a/pod/perlvar.pod
+++ b/pod/perlvar.pod
@@ -177,6 +177,11 @@ test.  Outside a C<while> test, this will not happen.
 
 =back
 
+As C<$_> is a global variable, this may lead in some cases to unwanted
+side-effects.  As of perl 5.9.1, you can now use a lexical version of
+C<$_> by declaring it in a file or in a block with C<my>.  Moreover,
+declaring C<our $> restores the global C<$_> in the current scope.
+
 (Mnemonic: underline is understood in certain operations.)
 
 =back
@@ -189,10 +194,9 @@ 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.  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.
+(using use vars, or our()) even when using the C<strict '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
 
@@ -471,8 +475,6 @@ taken for something more important.)
 Consider using "real" multidimensional arrays as described
 in L<perllol>.
 
-=item $OFMT
-
 =item $#
 
 The output format for printed numbers.  This variable is a half-hearted