From: Jarkko Hietaniemi <jhi@iki.fi>
Date: Sat, 30 Jun 2001 16:23:39 +0000 (+0000)
Subject: Delta delta.
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=9108dd476ab123e35a9952fa95b6f608bede0e15;p=p5sagit%2Fp5-mst-13.2.git

Delta delta.

p4raw-id: //depot/perl@11048
---

diff --git a/pod/perl572delta.pod b/pod/perl572delta.pod
index bb19641..ab34b68 100644
--- a/pod/perl572delta.pod
+++ b/pod/perl572delta.pod
@@ -83,8 +83,8 @@ B<between digits>.
 
 =item *
 
-GMAGIC (right-hand side magic) could in many cases such as concatenation
-of string be invoked too many times.
+GMAGIC (right-hand side magic) could in many cases such as string
+concatenation be invoked too many times.
 
 =item *
 
@@ -103,13 +103,12 @@ Lvalue subroutines can now return C<undef> in list context.
 
 =item *
 
-The MAGIC constants (e.g. C<'P'>) have been macrofied
-(e.g. C<PERL_MAGIC_TIED>) for better source code readability
-and maintainability.
+The C<op_clear> and C<op_null> are now exported.
 
 =item *
 
-The C<op_clear> and C<op_null> are now exported.
+A new special regular expression variable has been introduced:
+C<$^N>, which contains the most-recently closed group (submatch).
 
 =item *
 
@@ -308,11 +307,6 @@ Use of the F<gprof> tool to profile Perl has been documented in
 L<perlhack>.  There is a make target "perl.gprof" for generating a
 gprofiled Perl executable.
 
-=item *
-
-(Code documentation) F<perly.c> and F<sv.c> have now been extensively
-commented.
-
 =back
 
 =head1 Installation and Configuration Improvements
@@ -361,13 +355,6 @@ The Amdahl UTS UNIX mainframe platform is now supported.
 
 =item *
 
-The C code has been made much more C<gcc -Wall> clean.  Some warning
-messages still remain, though, so if you are compiling with gcc you
-will see some warnings about dubious practices.  The warnings are
-being worked on.
-
-=item *
-
 In AFS installations one can configure the root of the AFS to be
 somewhere else than the default F</afs> by using the Configure
 parameter C<-Dafsroot=/some/where/else>.
@@ -467,7 +454,17 @@ deprecated for a while.  Now you will get an optional warning.
 
 =back
 
-=head1 Changed Internals
+=head1 Source Code Enhancements
+
+=head2 MAGIC constants
+
+The MAGIC constants (e.g. C<'P'>) have been macrofied
+(e.g. C<PERL_MAGIC_TIED>) for better source code readability
+and maintainability.
+
+=head2 Better commented code
+
+F<perly.c>, F<sv.c>, and F<sv.h> have now been extensively commented.
 
 =head2 Regex pre-/post-compilation items matched up
 
@@ -477,6 +474,13 @@ original regex expression.  The information is attached to the new
 C<offsets> member of the C<struct regexp>. See L<perldebguts> for more
 complete information.
 
+=head2 gcc -Wall
+
+The C code has been made much more C<gcc -Wall> clean.  Some warning
+messages still remain, though, so if you are compiling with gcc you
+will see some warnings about dubious practices.  The warnings are
+being worked on.
+
 =head1 New Tests
 
 Several new tests have been added, especially for the F<lib> subsection.