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-=encoding utf8
-
-=head1 NAME
-
-perl5142delta - what is new for perl v5.14.2
-
-=head1 DESCRIPTION
-
-This document describes differences between the 5.14.1 release and
-the 5.14.2 release.
-
-If you are upgrading from an earlier release such as 5.14.0, first read
-L<perl5141delta>, which describes differences between 5.14.0 and
-5.14.1.
-
-=head1 Core Enhancements
-
-No changes since 5.14.0.
-
-=head1 Security
-
-=head2 C<File::Glob::bsd_glob()> memory error with GLOB_ALTDIRFUNC (CVE-2011-2728).
-
-Calling C<File::Glob::bsd_glob> with the unsupported flag GLOB_ALTDIRFUNC would
-cause an access violation / segfault. A Perl program that accepts a flags value from
-an external source could expose itself to denial of service or arbitrary code
-execution attacks. There are no known exploits in the wild. The problem has been
-corrected by explicitly disabling all unsupported flags and setting unused function
-pointers to null. Bug reported by Clément Lecigne.
-
-=head2 C<Encode> decode_xs n-byte heap-overflow (CVE-2011-2939)
-
-A bug in C<Encode> could, on certain inputs, cause the heap to overflow.
-This problem has been corrected. Bug reported by Robert Zacek.
-
-=head1 Incompatible Changes
-
-There are no changes intentionally incompatible with 5.14.0. If any
-exist, they are bugs and reports are welcome.
-
-=head1 Deprecations
-
-There have been no deprecations since 5.14.0.
-
-=head1 Modules and Pragmata
-
-=head2 New Modules and Pragmata
-
-None
-
-=head2 Updated Modules and Pragmata
-
-=over 4
-
-=item *
-
-L<CPAN> has been upgraded from version 1.9600 to version 1.9600_01.
-
-L<CPAN::Distribution> has been upgraded from version 1.9602 to 1.9602_01.
-
-Backported bugfixes from CPAN version 1.9800. Ensures proper
-detection of C<configure_requires> prerequisites from CPAN Meta files
-in the case where C<dynamic_config> is true. [rt.cpan.org #68835]
-
-Also ensures that C<configure_requires> is only checked in META files,
-not MYMETA files, so protect against MYMETA generation that drops
-C<configure_requires>.
-
-=item *
-
-L<Encode> has been upgraded from version 2.42 to 2.42_01.
-
-See L</Security>.
-
-=item *
-
-L<File::Glob> has been upgraded from version 1.12 to version 1.13.
-
-See L</Security>.
-
-=item *
-
-L<PerlIO::scalar> has been upgraded from version 0.11 to 0.11_01.
-
-It fixes a problem with C<< open my $fh, ">", \$scalar >> not working if
-C<$scalar> is a copy-on-write scalar.
-
-=back
-
-=head2 Removed Modules and Pragmata
-
-None
-
-=head1 Platform Support
-
-=head2 New Platforms
-
-None
-
-=head2 Discontinued Platforms
-
-None
-
-=head2 Platform-Specific Notes
-
-=over 4
-
-=item HP-UX PA-RISC/64 now supports gcc-4.x
-
-A fix to correct the socketsize now makes the test suite pass on HP-UX
-PA-RISC for 64bitall builds.
-
-=item Building on OS X 10.7 Lion and Xcode 4 works again
-
-The build system has been updated to work with the build tools under Mac OS X
-10.7.
-
-=back
-
-=head1 Bug Fixes
-
-=over 4
-
-=item *
-
-In @INC filters (subroutines returned by subroutines in @INC), $_ used to
-misbehave: If returned from a subroutine, it would not be copied, but the
-variable itself would be returned; and freeing $_ (e.g., with C<undef *_>)
-would cause perl to crash. This has been fixed [perl #91880].
-
-=item *
-
-Perl 5.10.0 introduced some faulty logic that made "U*" in the middle of
-a pack template equivalent to "U0" if the input string was empty. This has
-been fixed [perl #90160].
-
-=item *
-
-C<caller> no longer leaks memory when called from the DB package if
-C<@DB::args> was assigned to after the first call to C<caller>. L<Carp>
-was triggering this bug [perl #97010].
-
-=item *
-
-C<utf8::decode> had a nasty bug that would modify copy-on-write scalars'
-string buffers in place (i.e., skipping the copy). This could result in
-hashes having two elements with the same key [perl #91834].
-
-=item *
-
-Localising a tied variable used to make it read-only if it contained a
-copy-on-write string.
-
-=item *
-
-Elements of restricted hashes (see the L<fields> pragma) containing
-copy-on-write values couldn't be deleted, nor could such hashes be cleared
-(C<%hash = ()>).
-
-=item *
-
-Locking a hash element that is a glob copy no longer causes subsequent
-assignment to it to corrupt the glob.
-
-=item *
-
-A panic involving the combination of the regular expression modifiers
-C</aa> introduced in 5.14.0 and the C<\b> escape sequence has been
-fixed [perl #95964].
-
-=back
-
-=head1 Known Problems
-
-This is a list of some significant unfixed bugs, which are regressions
-from 5.12.0.
-
-=over 4
-
-=item *
-
-C<PERL_GLOBAL_STRUCT> is broken.
-
-Since perl 5.14.0, building with C<-DPERL_GLOBAL_STRUCT> hasn't been
-possible. This means that perl currently doesn't work on any platforms that
-require it to be built this way, including Symbian.
-
-While C<PERL_GLOBAL_STRUCT> now works again on recent development versions of
-perl, it actually working on Symbian again hasn't been verified.
-
-We'd be very interested in hearing from anyone working with Perl on Symbian.
-
-=back
-
-=head1 Acknowledgements
-
-Perl 5.14.2 represents approximately three months of development since
-Perl 5.14.1 and contains approximately 1200 lines of changes
-across 61 files from 9 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 5.14.2:
-
-Craig A. Berry, David Golden, Father Chrysostomos, Florian Ragwitz, H.Merijn
-Brand, Karl Williamson, Nicholas Clark, Pau Amma and Ricardo Signes.
-
-=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 L<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 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