| [3181] | 1 | =head1 NAME
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| 2 |
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| 3 | perl585delta - what is new for perl v5.8.5
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| 4 |
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| 5 | =head1 DESCRIPTION
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| 6 |
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| 7 | This document describes differences between the 5.8.4 release and
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| 8 | the 5.8.5 release.
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| 9 |
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| 10 | =head1 Incompatible Changes
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| 11 |
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| 12 | There are no changes incompatible with 5.8.4.
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| 13 |
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| 14 | =head1 Core Enhancements
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| 15 |
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| 16 | Perl's regular expression engine now contains support for matching on the
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| 17 | intersection of two Unicode character classes. You can also now refer to
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| 18 | user-defined character classes from within other user defined character
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| 19 | classes.
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| 20 |
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| 21 | =head1 Modules and Pragmata
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| 22 |
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| 23 | =over 4
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| 24 |
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| 25 | =item *
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| 26 |
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| 27 | Carp improved to work nicely with Safe. Carp's message reporting should now
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| 28 | be anomaly free - it will always print out line number information.
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| 29 |
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| 30 | =item *
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| 31 |
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| 32 | CGI upgraded to version 3.05
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| 33 |
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| 34 | =item *
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| 35 |
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| 36 | charnames now avoids clobbering $_
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| 37 |
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| 38 | =item *
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| 39 |
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| 40 | Digest upgraded to version 1.08
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| 41 |
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| 42 | =item *
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| 43 |
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| 44 | Encode upgraded to version 2.01
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| 45 |
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| 46 | =item *
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| 47 |
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| 48 | FileCache upgraded to version 1.04
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| 49 |
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| 50 | =item *
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| 51 |
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| 52 | libnet upgraded to version 1.19
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| 53 |
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| 54 | =item *
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| 55 |
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| 56 | Pod::Parser upgraded to version 1.28
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| 57 |
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| 58 | =item *
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| 59 |
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| 60 | Pod::Perldoc upgraded to version 3.13
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| 61 |
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| 62 | =item *
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| 63 |
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| 64 | Pod::LaTeX upgraded to version 0.57
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| 65 |
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| 66 | =item *
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| 67 |
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| 68 | Safe now works properly with Carp
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| 69 |
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| 70 | =item *
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| 71 |
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| 72 | Scalar-List-Utils upgraded to version 1.14
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| 73 |
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| 74 | =item *
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| 75 |
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| 76 | Shell's documentation has been re-written, and its historical partial
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| 77 | auto-quoting of command arguments can now be disabled.
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| 78 |
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| 79 | =item *
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| 80 |
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| 81 | Test upgraded to version 1.25
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| 82 |
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| 83 | =item *
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| 84 |
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| 85 | Test::Harness upgraded to version 2.42
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| 86 |
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| 87 | =item *
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| 88 |
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| 89 | Time::Local upgraded to version 1.10
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| 90 |
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| 91 | =item *
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| 92 |
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| 93 | Unicode::Collate upgraded to version 0.40
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| 94 |
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| 95 | =item *
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| 96 |
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| 97 | Unicode::Normalize upgraded to version 0.30
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| 98 |
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| 99 | =back
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| 100 |
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| 101 | =head1 Utility Changes
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| 102 |
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| 103 | =head2 Perl's debugger
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| 104 |
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| 105 | The debugger can now emulate stepping backwards, by restarting and rerunning
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| 106 | all bar the last command from a saved command history.
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| 107 |
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| 108 | =head2 h2ph
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| 109 |
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| 110 | F<h2ph> is now able to understand a very limited set of C inline functions
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| 111 | -- basically, the inline functions that look like CPP macros. This has
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| 112 | been introduced to deal with some of the headers of the newest versions of
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| 113 | the glibc. The standard warning still applies; to quote F<h2ph>'s
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| 114 | documentation, I<you may need to dicker with the files produced>.
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| 115 |
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| 116 | =head1 Installation and Configuration Improvements
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| 117 |
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| 118 | Perl 5.8.5 should build cleanly from source on LynxOS.
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| 119 |
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| 120 | =head1 Selected Bug Fixes
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| 121 |
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| 122 | =over 4
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| 123 |
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| 124 | =item *
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| 125 |
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| 126 | The in-place sort optimisation introduced in 5.8.4 had a bug. For example,
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| 127 | in code such as
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| 128 |
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| 129 | @a = sort ($b, @a)
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| 130 |
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| 131 | the result would omit the value $b. This is now fixed.
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| 132 |
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| 133 | =item *
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| 134 |
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| 135 | The optimisation for unnecessary assignments introduced in 5.8.4 could give
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| 136 | spurious warnings. This has been fixed.
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| 137 |
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| 138 | =item *
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| 139 |
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| 140 | Perl should now correctly detect and read BOM-marked and (BOMless) UTF-16
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| 141 | scripts of either endianness.
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| 142 |
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| 143 | =item *
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| 144 |
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| 145 | Creating a new thread when weak references exist was buggy, and would often
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| 146 | cause warnings at interpreter destruction time. The known bug is now fixed.
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| 147 |
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| 148 | =item *
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| 149 |
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| 150 | Several obscure bugs involving manipulating Unicode strings with C<substr> have
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| 151 | been fixed.
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| 152 |
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