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1 | =head1 NAME |
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2 | |
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3 | perldelta - what is new for perl v5.9.0 |
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4 | |
5 | =head1 DESCRIPTION |
6 | |
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7 | This document describes differences between the 5.8.0 release and |
8 | the 5.9.0 release. |
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9 | |
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10 | =head1 Incompatible Changes |
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11 | |
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12 | =head2 The C<$*> variable has been removed |
13 | |
14 | C<$*>, which was deprecated in favor of the C</s> and C</m> regexp |
15 | modifiers, has been removed. |
16 | |
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17 | =head1 Core Enhancements |
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18 | |
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19 | =head2 Tied Arrays with Negative Array Indices |
20 | |
21 | Formerly, the indices passed to C<FETCH>, C<STORE>, C<EXISTS>, and |
22 | C<DELETE> methods in tied array class were always non-negative. If |
23 | the actual argument was negative, Perl would call FETCHSIZE implicitly |
24 | and add the result to the index before passing the result to the tied |
25 | array method. This behavior is now optional. If the tied array class |
26 | contains a package variable named C<$NEGATIVE_INDICES> which is set to |
27 | a true value, negative values will be passed to C<FETCH>, C<STORE>, |
28 | C<EXISTS>, and C<DELETE> unchanged. |
29 | |
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30 | =head1 Modules and Pragmata |
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31 | |
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32 | =head1 Utility Changes |
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33 | |
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34 | =head1 New Documentation |
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35 | |
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36 | =head1 Performance Enhancements |
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37 | |
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38 | =head1 Installation and Configuration Improvements |
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39 | |
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40 | =head1 Selected Bug Fixes |
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41 | |
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42 | =head1 New or Changed Diagnostics |
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43 | |
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44 | =head1 Changed Internals |
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45 | |
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46 | =head1 New Tests |
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47 | |
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48 | =head1 Known Problems |
49 | |
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50 | =head1 Platform Specific Problems |
51 | |
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52 | =head1 Reporting Bugs |
53 | |
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54 | If you find what you think is a bug, you might check the articles |
55 | recently posted to the comp.lang.perl.misc newsgroup and the perl |
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56 | bug database at F<http://bugs.perl.org/>. There may also be |
57 | information at F<http://www.perl.com/>, the Perl Home Page. |
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58 | |
59 | If you believe you have an unreported bug, please run the B<perlbug> |
60 | program included with your release. Be sure to trim your bug down |
61 | to a tiny but sufficient test case. Your bug report, along with the |
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62 | output of C<perl -V>, will be sent off to perlbug@perl.org to be |
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63 | analysed by the Perl porting team. |
64 | |
65 | =head1 SEE ALSO |
66 | |
67 | The F<Changes> file for exhaustive details on what changed. |
68 | |
69 | The F<INSTALL> file for how to build Perl. |
70 | |
71 | The F<README> file for general stuff. |
72 | |
73 | The F<Artistic> and F<Copying> files for copyright information. |
74 | |
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75 | =cut |