diff options
author | Jarkko Hietaniemi <jhi@iki.fi> | 2001-06-30 16:23:39 +0000 |
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committer | Jarkko Hietaniemi <jhi@iki.fi> | 2001-06-30 16:23:39 +0000 |
commit | 9108dd476ab123e35a9952fa95b6f608bede0e15 (patch) | |
tree | 1c444d71139b34c740413bac5c7afe19e67893ce /pod | |
parent | 76fbd8c4ea7bb4d7a18a2c0a1d508a67659f3068 (diff) | |
download | perl-9108dd476ab123e35a9952fa95b6f608bede0e15.tar.gz |
Delta delta.
p4raw-id: //depot/perl@11048
Diffstat (limited to 'pod')
-rw-r--r-- | pod/perl572delta.pod | 42 |
1 files changed, 23 insertions, 19 deletions
diff --git a/pod/perl572delta.pod b/pod/perl572delta.pod index bb19641e8c..ab34b68509 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. |