perl586delta - what is new for perl v5.8.6

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For full details see the file <i>README.win32</i>, particularly if you're running Win95.</p> <h1 id="Modules-and-Pragmata"><a class="permalink" href="#Modules-and-Pragmata">#</a><a id="Modules"></a>Modules and Pragmata</h1> <ul> <li><p>With the <code>base</code> pragma, an intermediate class with no fields used to messes up private fields in the base class. This has been fixed.</p> </li> <li><p>Cwd upgraded to version 3.01 (as part of the new PathTools distribution)</p> </li> <li><p>Devel::PPPort upgraded to version 3.03</p> </li> <li><p>File::Spec upgraded to version 3.01 (as part of the new PathTools distribution)</p> </li> <li><p>Encode upgraded to version 2.08</p> </li> <li><p>ExtUtils::MakeMaker remains at version 6.17, as later stable releases currently available on CPAN have some issues with core modules on some core platforms.</p> </li> <li><p>I18N::LangTags upgraded to version 0.35</p> </li> <li><p>Math::BigInt upgraded to version 1.73</p> </li> <li><p>Math::BigRat upgraded to version 0.13</p> </li> <li><p>MIME::Base64 upgraded to version 3.05</p> </li> <li><p>POSIX::sigprocmask function can now retrieve the current signal mask without also setting it.</p> </li> <li><p>Time::HiRes upgraded to version 1.65</p> </li> </ul> <h1 id="Utility-Changes"><a class="permalink" href="#Utility-Changes">#</a><a id="Utility"></a>Utility Changes</h1> <p>Perl has a new -dt command-line flag, which enables threads support in the debugger.</p> <h1 id="Performance-Enhancements"><a class="permalink" href="#Performance-Enhancements">#</a><a id="Performance"></a>Performance Enhancements</h1> <p><code>reverse sort ...</code> is now optimized to sort in reverse, avoiding the generation of a temporary intermediate list.</p> <p><code>for (reverse @foo)</code> now iterates in reverse, avoiding the generation of a temporary reversed list.</p> <h1 id="Selected-Bug-Fixes"><a class="permalink" href="#Selected-Bug-Fixes">#</a><a id="Selected"></a>Selected Bug Fixes</h1> <p>The regexp engine is now more robust when given invalid utf8 input, as is sometimes generated by buggy XS modules.</p> <p><code>foreach</code> on threads::shared array used to be able to crash Perl. This bug has now been fixed.</p> <p>A regexp in <code>STDOUT</code>'s destructor used to coredump, because the regexp pad was already freed. This has been fixed.</p> <p><code>goto &</code> is now more robust - bugs in deep recursion and chained <code>goto &</code> have been fixed.</p> <p>Using <code>delete</code> on an array no longer leaks memory. A <code>pop</code> of an item from a shared array reference no longer causes a leak.</p> <p><code>eval_sv()</code> failing a taint test could corrupt the stack - this has been fixed.</p> <p>On platforms with 64 bit pointers numeric comparison operators used to erroneously compare the addresses of references that are overloaded, rather than using the overloaded values. This has been fixed.</p> <p><code>read</code> into a UTF8-encoded buffer with an offset off the end of the buffer no longer mis-calculates buffer lengths.</p> <p>Although Perl has promised since version 5.8 that <code>sort()</code> would be stable, the two cases <code>sort {$b cmp $a}</code> and <code>sort {$b <=> $a}</code> could produce non-stable sorts. This is corrected in perl5.8.6.</p> <p>Localising <code>$^D</code> no longer generates a diagnostic message about valid -D flags.</p> <h1 id="New-or-Changed-Diagnostics"><a class="permalink" href="#New-or-Changed-Diagnostics">#</a><a id="New"></a>New or Changed Diagnostics</h1> <p>For -t and -T, Too late for "-T" option has been changed to the more informative "-T" is on the #! line, it must also be used on the command line</p> <h1 id="Changed-Internals"><a class="permalink" href="#Changed-Internals">#</a><a id="Changed"></a>Changed Internals</h1> <p>From now on all applications embedding perl will behave as if perl were compiled with -DPERL_USE_SAFE_PUTENV. See "Environment access" in the <i>INSTALL</i> file for details.</p> <p>Most <code>C</code> source files now have comments at the top explaining their purpose, which should help anyone wishing to get an overview of the implementation.</p> <h1 id="New-Tests"><a class="permalink" href="#New-Tests">#</a><a id="New1"></a>New Tests</h1> <p>There are significantly more tests for the <code>B</code> suite of modules.</p> <h1 id="Reporting-Bugs"><a class="permalink" href="#Reporting-Bugs">#</a><a id="Reporting"></a>Reporting Bugs</h1> <p>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://bugs.perl.org. There may also be information at http://www.perl.org, the Perl Home Page.</p> <p>If you believe you have an unreported bug, please run the <b>perlbug</b> 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 <code>perl -V</code>, will be sent off to perlbug@perl.org to be analysed by the Perl porting team. You can browse and search the Perl 5 bugs at http://bugs.perl.org/</p> <h1 id="SEE-ALSO"><a class="permalink" href="#SEE-ALSO">#</a><a id="SEE"></a>SEE ALSO</h1> <p>The <i>Changes</i> file for exhaustive details on what changed.</p> <p>The <i>INSTALL</i> file for how to build Perl.</p> <p>The <i>README</i> file for general stuff.</p> <p>The <i>Artistic</i> and <i>Copying</i> files for copyright information.</p> </div> <div id="footer"> <p>Perldoc Browser is maintained by Dan Book (<a href="https://metacpan.org/author/DBOOK">DBOOK</a>). Please contact him via the <a href="https://github.com/Grinnz/perldoc-browser/issues">GitHub issue tracker</a> or <a href="mailto:dbook@cpan.org">email</a> regarding any issues with the site itself, search, or rendering of documentation.</p> <p>The Perl documentation is maintained by the Perl 5 Porters in the development of Perl. Please contact them via the <a href="https://github.com/Perl/perl5/issues">Perl issue tracker</a>, the <a href="https://lists.perl.org/list/perl5-porters.html">mailing list</a>, or <a href="https://kiwiirc.com/client/irc.perl.org/p5p">IRC</a> to report any issues with the contents or format of the documentation.</p> </div> </div> <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.slim.min.js" integrity="sha512-/DXTXr6nQodMUiq+IUJYCt2PPOUjrHJ9wFrqpJ3XkgPNOZVfMok7cRw6CSxyCQxXn6ozlESsSh1/sMCTF1rL/g==" crossorigin="anonymous"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.1/umd/popper.min.js" integrity="sha512-ubuT8Z88WxezgSqf3RLuNi5lmjstiJcyezx34yIU2gAHonIi27Na7atqzUZCOoY4CExaoFumzOsFQ2Ch+I/HCw==" crossorigin="anonymous"></script> <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js" integrity="sha384-B4gt1jrGC7Jh4AgTPSdUtOBvfO8shuf57BaghqFfPlYxofvL8/KUEfYiJOMMV+rV" crossorigin="anonymous"></script> <script src="/highlight.pack.js"></script> <script>hljs.highlightAll();</script> </body> </html>

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perl586delta - what is new for perl v5.8.6 - Perldoc Browser