3 perl573delta - what's new for perl v5.7.3
7 This document describes differences between the 5.7.2 release and the
10 (To view the differences between the 5.6.0 release and the 5.7.0
11 release, see L<perl570delta>. To view the differences between the
12 5.7.0 release and the 5.7.1 release, see L<perl571delta>. To view
13 the differences between the 5.7.1 release and the 5.7.2 release,
18 This is just a selected list of some of the more notable changes.
19 The numbers refer to the Perl repository change numbers; see
20 L<Changes58> (or L<Changes> in Perl 5.8.1). In addition to these
21 changes, lots of work took place in integrating threads, PerlIO, and
22 Unicode; general code cleanup; and last but not least porting to
23 non-UNIX lands such as Win32, VMS, Cygwin, DJGPP, VOS, MacOS Classic,
30 add LC_MESSAGES to POSIX :locale_h export tag
38 make h2ph understand constants like 1234L and 5678LL
42 Win32: fix bugs in handling of the virtualized environment
46 fix a bug in the security taint checking of open()
50 make perl fork() safe even on platforms that don't have pthread_atfork()
54 make switching optimization and debugging levels during Perl builds
55 easier via the OPTIMIZE environment variable
59 make split()'s unused captures to be undef, not ''
63 Search::Dict: allow transforming lines before comparing
67 allow installing extra modules or bundles when building Perl
71 add -Wall in cflags when compiling with gcc to weed out dubious
80 WinCE: integrate the port
84 Win32: 4-arg select was broken
88 introduce the perlivp utility for verifying the Perl installation
89 (IVP = Installation Verification Procedure)
93 rename lib/unicode to lib/unicore to avoid case-insensitivity problems
102 document that use utf8 is not the right way most of the time
106 allow building perl with -DUSE_UTF8_SCRIPTS which makes UTF-8
107 the default script encoding (not the default since that would
108 break all scripts having legacy eight-bit data in them)
112 division preserving 64-bit integers
116 document the coderef-in-@INC feature
120 modulo (%) preserving 64-bit integers
124 update to Unicode 3.1.1
128 add the \[$@%&*] prototype support
132 oct() and hex() in glorious 64 bit
136 Class::Struct: allow recursive classes
140 fix unpack U to be the reverse of pack U
144 VMS: waitpid enhancements
148 unpack("Z*Z*", pack("Z*Z*", ..)) was broken
152 Devel::Peek: display UTF-8 SVs also also as \x{...}
156 Data::Dumper: option to sort hashes
164 threadsafe DynaLoader, re, Opcode, File::Glob, and B
172 read-only hashes (user-level interface is Hash::Util)
192 SUPER-UX: add hints file
196 Win32: non-blocking waitpid(-1,WNOHANG)
200 introduce the -t option for gentler taint checking
208 implement IV/UV/NV/long double un/packing with j/J/F/D
212 document the new taint behaviour of exec LIST and system LIST
216 =head1 Reporting Bugs
218 If you find what you think is a bug, you might check the articles
219 recently posted to the comp.lang.perl.misc newsgroup and the perl
220 bug database at http://bugs.perl.org. There may also be
221 information at http://www.perl.com/, the Perl Home Page.
223 If you believe you have an unreported bug, please run the B<perlbug>
224 program included with your release. Be sure to trim your bug down
225 to a tiny but sufficient test case. Your bug report, along with the
226 output of C<perl -V>, will be sent off to perlbug@perl.org to be
227 analysed by the Perl porting team.
231 The F<Changes> file for exhaustive details on what changed.
233 The F<INSTALL> file for how to build Perl.
235 The F<README> file for general stuff.
237 The F<Artistic> and F<Copying> files for copyright information.
241 Written by Jarkko Hietaniemi <F<jhi@iki.fi>>, with many contributions
242 from The Perl Porters and Perl Users submitting feedback and patches.
244 Send omissions or corrections to <F<perlbug@perl.org>>.