https://perl5.git.perl.org / perl5.git / blame
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|---|---|---|
| 496c75d0 RGS |
1 | =head1 NAME |
| 2 | ||
| 3 | perldelta - what is new for perl v5.9.3 | |
| 4 | ||
| 5 | =head1 DESCRIPTION | |
| 6 | ||
| 7 | This document describes differences between the 5.9.2 and the 5.9.3 | |
| d7f8936a | 8 | development releases. See L<perl590delta>, L<perl591delta> and |
| 496c75d0 RGS |
9 | L<perl592delta> for the differences between 5.8.0 and 5.9.2. |
| 10 | ||
| 11 | =head1 Incompatible Changes | |
| 12 | ||
| 2770530f RGS |
13 | =head2 Parsing of C<-f _> |
| 14 | ||
| 15 | C<_> is now forced to be a bareword after a filetest operator. This solves | |
| 16 | a number of misparsing issues when a global C<_> subroutine is defined. | |
| 17 | ||
| 18 | =head2 C<defined %foo::bar::> | |
| 19 | ||
| 20 | This used to report whether the C<foo::bar> package was created. Now it's | |
| 21 | always true, as a side-effect of a change to shrink the internal size of | |
| 22 | hash structures. Note that using C<defined> on hashes was deprecated | |
| 23 | anyway. To achieve the same result, you can use the following | |
| 24 | backwards-compatible idiom: | |
| 25 | ||
| 26 | defined *foo::{HASH}->{'bar::'} | |
| 27 | ||
| 496c75d0 RGS |
28 | =head1 Core Enhancements |
| 29 | ||
| 30 | =head1 Modules and Pragmata | |
| 31 | ||
| 32 | =head1 Utility Changes | |
| 33 | ||
| 34 | =head1 Documentation | |
| 35 | ||
| 36 | =head1 Performance Enhancements | |
| 37 | ||
| 38 | =head1 Installation and Configuration Improvements | |
| 39 | ||
| 40 | =head1 Selected Bug Fixes | |
| 41 | ||
| 42 | =head1 New or Changed Diagnostics | |
| 43 | ||
| 44 | =head1 Changed Internals | |
| 45 | ||
| 46 | =head1 Known Problems | |
| 47 | ||
| 48 | =head2 Platform Specific Problems | |
| 49 | ||
| 50 | =head1 Reporting Bugs | |
| 51 | ||
| 52 | If you find what you think is a bug, you might check the articles | |
| 53 | recently posted to the comp.lang.perl.misc newsgroup and the perl | |
| 54 | bug database at http://bugs.perl.org/ . There may also be | |
| 55 | information at http://www.perl.org/ , the Perl Home Page. | |
| 56 | ||
| 57 | If you believe you have an unreported bug, please run the B<perlbug> | |
| 58 | program included with your release. Be sure to trim your bug down | |
| 59 | to a tiny but sufficient test case. Your bug report, along with the | |
| 60 | output of C<perl -V>, will be sent off to perlbug@perl.org to be | |
| 61 | analysed by the Perl porting team. | |
| 62 | ||
| 63 | =head1 SEE ALSO | |
| 64 | ||
| 65 | The F<Changes> file for exhaustive details on what changed. | |
| 66 | ||
| 67 | The F<INSTALL> file for how to build Perl. | |
| 68 | ||
| 69 | The F<README> file for general stuff. | |
| 70 | ||
| 71 | The F<Artistic> and F<Copying> files for copyright information. | |
| 72 | ||
| 73 | =cut |