Steve Hay > perl-5.19.5 > perl5193delta

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NAME ^

perl5193delta - what is new for perl v5.19.3

DESCRIPTION ^

This document describes differences between the 5.19.2 release and the 5.19.3 release.

If you are upgrading from an earlier release such as 5.19.1, first read perl5192delta, which describes differences between 5.19.1 and 5.19.2.

Core Enhancements ^

-F now implies -a and -a implies -n

Previously -F without -a was a no-op, and -a without -n or -p was a no-op, with this change, if you supply -F then both -a and -n are implied and if you supply -a then -n is implied.

You can still use -p for its extra behaviour. [perl #116190]

Security ^

Avoid possible read of free()d memory during parsing

It was possible that free()d memory could be read during parsing in the unusual circumstance of the Perl program ending with a heredoc and the last line of the file on disk having no terminating newline character. This has now been fixed.

Performance Enhancements ^

Modules and Pragmata ^

Updated Modules and Pragmata

Documentation ^

Changes to Existing Documentation

perlfunc

perlguts

perlopentut

perlre

perlsub

perlvar

perlxs

Diagnostics ^

The following additions or changes have been made to diagnostic output, including warnings and fatal error messages. For the complete list of diagnostic messages, see perldiag.

New Diagnostics

New Errors

New Warnings

Testing ^

Internal Changes ^

Selected Bug Fixes ^

Acknowledgements ^

Perl 5.19.3 represents approximately 4 weeks of development since Perl 5.19.2 and contains approximately 24,000 lines of changes across 710 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 5.19.3:

Alexander Voronov, Andy Dougherty, Aristotle Pagaltzis, Brendan Byrd, Chris 'BinGOs' Williams, Colin Kuskie, Craig A. Berry, Daniel Dragan, Darin McBride, David Mitchell, Father Chrysostomos, H.Merijn Brand, James E Keenan, John Gardiner Myers, John Peacock, Karl Williamson, Lukas Mai, Marcus Holland-Moritz, Nathan Trapuzzano, Neil Bowers, Nicholas Clark, Peter Martini, Philip Boulain, Ricardo Signes, Sergey Alekseev, Shlomi Fish, Smylers, Steffen Müller, Steve Hay, Tom Christiansen, Tony Cook, Victor Efimov, Viktor Turskyi, Vladimir Timofeev, Yves Orton, Zefram.

The list above is almost certainly incomplete as it is automatically generated from version control history. In particular, it does not include the names of the (very much appreciated) contributors who reported issues to the Perl bug tracker.

Many of the changes included in this version originated in the CPAN modules included in Perl's core. We're grateful to the entire CPAN community for helping Perl to flourish.

For a more complete list of all of Perl's historical contributors, please see the AUTHORS file in the Perl source distribution.

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 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 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.

SEE ALSO ^

The Changes file for an explanation of how to view exhaustive details on what changed.

The INSTALL file for how to build Perl.

The README file for general stuff.

The Artistic and Copying files for copyright information.

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