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-=encoding utf8
-
-=head1 NAME
-
-perl5122delta - what is new for perl v5.12.2
-
-=head1 DESCRIPTION
-
-This document describes differences between the 5.12.1 release and
-the 5.12.2 release.
-
-If you are upgrading from an earlier major version, such as 5.10.1,
-first read L<perl5120delta>, which describes differences between 5.10.1
-and 5.12.0, as well as L<perl5121delta>, which describes earlier changes
-in the 5.12 stable release series.
-
-=head1 Incompatible Changes
-
-There are no changes intentionally incompatible with 5.12.1. If any exist, they
-are bugs and reports are welcome.
-
-=head1 Core Enhancements
-
-Other than the bug fixes listed below, there should be no user-visible
-changes to the core language in this release.
-
-=head1 Modules and Pragmata
-
-=head2 New Modules and Pragmata
-
-This release does not introduce any new modules or pragmata.
-
-=head2 Pragmata Changes
-
-In the previous release, C<no I<VERSION>;> statements triggered a bug
-which could cause L<feature> bundles to be loaded and L<strict> mode to
-be enabled unintentionally.
-
-=head2 Updated Modules
-
-=over 4
-
-=item C<Carp>
-
-Upgraded from version 1.16 to 1.17.
-
-L<Carp> now detects incomplete L<caller()|perlfunc/"caller EXPR">
-overrides and avoids using bogus C<@DB::args>. To provide backtraces, Carp
-relies on particular behaviour of the caller built-in. Carp now detects
-if other code has overridden this with an incomplete implementation, and
-modifies its backtrace accordingly. Previously incomplete overrides would
-cause incorrect values in backtraces (best case), or obscure fatal errors
-(worst case)
-
-This fixes certain cases of C<Bizarre copy of ARRAY> caused by modules
-overriding C<caller()> incorrectly.
-
-=item C<CPANPLUS>
-
-A patch to F<cpanp-run-perl> has been backported from CPANPLUS C<0.9004>. This
-resolves L<RT #55964|http://rt.cpan.org/Public/Bug/Display.html?id=55964>
-and L<RT #57106|http://rt.cpan.org/Public/Bug/Display.html?id=57106>, both
-of which related to failures to install distributions that use
-C<Module::Install::DSL>.
-
-=item C<File::Glob>
-
-A regression which caused a failure to find C<CORE::GLOBAL::glob> after
-loading C<File::Glob> to crash has been fixed. Now, it correctly falls back
-to external globbing via C<pp_glob>.
-
-=item C<File::Copy>
-
-C<File::Copy::copy(FILE, DIR)> is now documented.
-
-=item C<File::Spec>
-
-Upgraded from version 3.31 to 3.31_01.
-
-Several portability fixes were made in C<File::Spec::VMS>: a colon is now
-recognized as a delimiter in native filespecs; caret-escaped delimiters are
-recognized for better handling of extended filespecs; C<catpath()> returns
-an empty directory rather than the current directory if the input directory
-name is empty; C<abs2rel()> properly handles Unix-style input.
-
-=back
-
-=head1 Utility Changes
-
-=over
-
-=item *
-
-F<perlbug> now always gives the reporter a chance to change the email address it
-guesses for them.
-
-=item *
-
-F<perlbug> should no longer warn about uninitialized values when using the C<-d>
-and C<-v> options.
-
-=back
-
-=head1 Changes to Existing Documentation
-
-=over
-
-=item *
-
-The existing policy on backward-compatibility and deprecation has
-been added to L<perlpolicy>, along with definitions of terms like
-I<deprecation>.
-
-=item *
-
-L<perlfunc/srand>'s usage has been clarified.
-
-=item *
-
-The entry for L<perlfunc/die> was reorganized to emphasize its
-role in the exception mechanism.
-
-=item *
-
-Perl's L<INSTALL> file has been clarified to explicitly state that Perl
-requires a C89 compliant ANSI C Compiler.
-
-=item *
-
-L<IO::Socket>'s C<getsockopt()> and C<setsockopt()> have been documented.
-
-=item *
-
-F<alarm()>'s inability to interrupt blocking IO on Windows has been documented.
-
-=item *
-
-L<Math::TrulyRandom> hasn't been updated since 1996 and has been removed
-as a recommended solution for random number generation.
-
-=item *
-
-L<perlrun> has been updated to clarify the behaviour of octal flags to F<perl>.
-
-=item *
-
-To ease user confusion, C<$#> and C<$*>, two special variables that were
-removed in earlier versions of Perl have been documented.
-
-=item *
-
-The version of L<perlfaq> shipped with the Perl core has been updated from the
-official FAQ version, which is now maintained in the C<briandfoy/perlfaq>
-branch of the Perl repository at L<git://perl5.git.perl.org/perl.git>.
-
-=back
-
-=head1 Installation and Configuration Improvements
-
-=head2 Configuration improvements
-
-=over
-
-=item *
-
-The C<d_u32align> configuration probe on ARM has been fixed.
-
-=back
-
-=head2 Compilation improvements
-
-=over
-
-=item *
-
-An "C<incompatible operand types>" error in ternary expressions when building
-with C<clang> has been fixed.
-
-=item *
-
-Perl now skips setuid C<File::Copy> tests on partitions it detects to be mounted
-as C<nosuid>.
-
-=back
-
-=head1 Selected Bug Fixes
-
-=over 4
-
-=item *
-
-A possible segfault in the C<T_PRTOBJ> default typemap has been fixed.
-
-=item *
-
-A possible memory leak when using L<caller()|perlfunc/"caller EXPR"> to set
-C<@DB::args> has been fixed.
-
-=item *
-
-Several memory leaks when loading XS modules were fixed.
-
-=item *
-
-C<unpack()> now handles scalar context correctly for C<%32H> and C<%32u>,
-fixing a potential crash. C<split()> would crash because the third item
-on the stack wasn't the regular expression it expected. C<unpack("%2H",
-...)> would return both the unpacked result and the checksum on the stack,
-as would C<unpack("%2u", ...)>.
-L<[perl #73814]|http://rt.perl.org/rt3/Ticket/Display.html?id=73814>
-
-=item *
-
-Perl now avoids using memory after calling C<free()> in F<pp_require>
-when there are CODEREFs in C<@INC>.
-
-=item *
-
-A bug that could cause "C<Unknown error>" messages when
-"C<call_sv(code, G_EVAL)>" is called from an XS destructor has been fixed.
-
-=item *
-
-The implementation of the C<open $fh, 'E<gt>' \$buffer> feature
-now supports get/set magic and thus tied buffers correctly.
-
-=item *
-
-The C<pp_getc>, C<pp_tell>, and C<pp_eof> opcodes now make room on the
-stack for their return values in cases where no argument was passed in.
-
-=item *
-
-When matching unicode strings under some conditions inappropriate backtracking would
-result in a C<Malformed UTF-8 character (fatal)> error. This should no longer occur.
-See L<[perl #75680]|http://rt.perl.org/rt3/Public/Bug/Display.html?id=75680>
-
-=back
-
-=head1 Platform Specific Notes
-
-=head2 AIX
-
-=over
-
-=item *
-
-F<README.aix> has been updated with information about the XL C/C++ V11 compiler
-suite.
-
-=back
-
-=head2 Windows
-
-=over
-
-=item *
-
-When building Perl with the mingw64 x64 cross-compiler C<incpath>,
-C<libpth>, C<ldflags>, C<lddlflags> and C<ldflags_nolargefiles> values
-in F<Config.pm> and F<Config_heavy.pl> were not previously being set
-correctly because, with that compiler, the include and lib directories
-are not immediately below C<$(CCHOME)>.
-
-=back
-
-=head2 VMS
-
-=over
-
-=item *
-
-F<git_version.h> is now installed on VMS. This was an oversight in v5.12.0 which
-caused some extensions to fail to build.
-
-=item *
-
-Several memory leaks in L<stat()|perlfunc/"stat FILEHANDLE"> have been fixed.
-
-=item *
-
-A memory leak in C<Perl_rename()> due to a double allocation has been
-fixed.
-
-=item *
-
-A memory leak in C<vms_fid_to_name()> (used by C<realpath()> and
-C<realname()>) has been fixed.
-
-=back
-
-=head1 Acknowledgements
-
-Perl 5.12.2 represents approximately three months of development since
-Perl 5.12.1 and contains approximately 2,000 lines of changes across
-100 files from 36 authors.
-
-Perl continues to flourish into its third decade thanks to a vibrant
-community of users and developers. The following people are known to
-have contributed the improvements that became Perl 5.12.2:
-
-Abigail, Ævar Arnfjörð Bjarmason, Ben Morrow, brian d foy, Brian
-Phillips, Chas. Owens, Chris 'BinGOs' Williams, Chris Williams,
-Craig A. Berry, Curtis Jewell, Dan Dascalescu, David Golden, David
-Mitchell, Father Chrysostomos, Florian Ragwitz, George Greer, H.Merijn
-Brand, Jan Dubois, Jesse Vincent, Jim Cromie, Karl Williamson, Lars
-Dɪᴇᴄᴋᴏᴡ 迪拉斯, Leon Brocard, Maik Hentsche, Matt S Trout,
-Nicholas Clark, Rafael Garcia-Suarez, Rainer Tammer, Ricardo Signes,
-Salvador Ortiz Garcia, Sisyphus, Slaven Rezic, Steffen Mueller, Tony Cook,
-Vincent Pit and Yves Orton.
-
-=head1 Reporting Bugs
-
-If you find what you think is a bug, you might check the articles
-recently posted to the comp.lang.perl.misc newsgroup and the perl
-bug database at http://rt.perl.org/perlbug/ . There may also be
-information at http://www.perl.org/ , the Perl Home Page.
-
-If you believe you have an unreported bug, please run the B<perlbug>
-program included with your release. Be sure to trim your bug down
-to a tiny but sufficient test case. Your bug report, along with the
-output of C<perl -V>, will be sent off to perlbug@perl.org to be
-analysed by the Perl porting team.
-
-If the bug you are reporting has security implications, which make it
-inappropriate to send to a publicly archived mailing list, then please send
-it to perl5-security-report@perl.org. This points to a closed subscription
-unarchived mailing list, which includes
-all the core committers, who will be able
-to help assess the impact of issues, figure out a resolution, and help
-co-ordinate the release of patches to mitigate or fix the problem across all
-platforms on which Perl is supported. Please only use this address for
-security issues in the Perl core, not for modules independently
-distributed on CPAN.
-
-=head1 SEE ALSO
-
-The F<Changes> file for an explanation of how to view exhaustive details
-on what changed.
-
-The F<INSTALL> file for how to build Perl.
-
-The F<README> file for general stuff.
-
-The F<Artistic> and F<Copying> files for copyright information.
-
-=cut