perldelta - what is new for perl v5.8.1
This document describes differences between the 5.8.0 release and
the 5.8.1 release.
Formerly, the indices passed to FETCH, STORE, EXISTS, and
DELETE methods in tied array class were always non-negative. If
the actual argument was negative, Perl would call FETCHSIZE implicitly
and add the result to the index before passing the result to the tied
array method. This behavior is now optional. If the tied array class
contains a package variable named $NEGATIVE_INDICES which is set to
a true value, negative values will be passed to FETCH, STORE,
EXISTS, and DELETE unchanged.
Perl 5.8.0 forgot to add some deprecation warnings. These warnings
have now been added.
Pseudo-hashes were deprecated in Perl 5.8.0 and will be removed in Perl
5.10.0, see perl58delta for details. Each attempt to access pseudo-hashes
will trigger the warning Pseudo-hashes are deprecated. If you really want
to continue using pseudo-hashes but not to see the deprecation warnings, add:
<![CDATA[
no warnings 'deprecated';
]]>
5.005-style threads (activated by
use Thread;
) were deprecated in Perl
5.8.0 and will be removed in Perl 5.10.0, see perl58delta for details.
Each attempt to create a 5.005-style thread will trigger the warning
5.005 threads are deprecated. If you really want to continue using
5.005 threads but not to see the deprecation warnings, add:
<![CDATA[
no warnings 'deprecated';
]]>
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.com/ , 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.
The Changes file for 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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