perl591delta.pod update.

p4raw-id: //depot/perl@22468

1 files changed, 15 insertions, 4 deletions

diff --git a/pod/perl591delta.pod b/pod/perl591delta.pod
index 96fea4cd35..df76f58e00 100644
--- a/pod/perl591delta.pod
+++ b/pod/perl591delta.pod
@@ -108,6 +108,10 @@ A new utility, C<prove>, makes it easy to run an individual regression test
 at the command line. C<prove> is part of Test::Harness, which users of earlier
 Perl versions can install from CPAN.
 
+The perl debugger now supports a C<save> command, to save the current
+history to a file, and an C<i> command, which prints the inheritance tree
+of its argument (if the C<Class::ISA> module is installed.)
+
 =head1 Documentation
 
 The documentation has been revised in places to produce more standard manpages.
@@ -115,12 +119,11 @@ The documentation has been revised in places to produce more standard manpages.
 The long-existing feature of C</(?{...})/> regexps setting C<$_> and pos()
 is now documented.
 
-The perl debugger now supports a C<save> command, to save the current
-history to a file, and an C<i> command, which prints the inheritance tree
-of its argument (if the C<Class::ISA> module is installed.)
-
 =head1 Performance Enhancements
 
+The operations involving case mapping on UTF-8 strings (uc(), lc(),
+C<//i>, etc.) have been greatly speeded up.
+
 =head1 Installation and Configuration Improvements
 
 =head1 Selected Bug Fixes
@@ -160,6 +163,14 @@ C<strict> wasn't in effect in regexp-eval blocks (C</(?{...})/>).
 
 =head1 New or Changed Diagnostics
 
+A new deprecation warning, I<Deprecated use of my() in false conditional>,
+has been added, to warn against the use of the dubious and deprecated
+construct
+
+    my $x if 0;
+
+See L<perldiag>.
+
 The fatal error "DESTROY created new reference to dead object" is now
 documented in L<perldiag>.