3 perldelta - what's new for perl5.006 (as of 5.005_54)
7 This document describes differences between the 5.005 release and this one.
9 =head1 Incompatible Changes
11 =head2 Perl Source Incompatibilities
13 None known at this time.
15 =head2 C Source Incompatibilities
21 Release 5.005 grandfathered old global symbol names by providing preprocessor
22 macros for extension source compatibility. As of release 5.006, these
23 preprocessor definitions are not available by default. You need to explicitly
24 compile perl with C<-DPERL_POLLUTE> in order to get these definitions.
26 =item C<PL_na> and C<dTHR> Issues
28 The C<PL_na> global is now thread local, so a C<dTHR> declaration is needed
29 in the scope in which it appears. XSUBs should handle this automatically,
30 but if you have used C<PL_na> in support functions, you either need to
31 change the C<PL_na> to a local variable (which is recommended), or put in
36 =head2 Binary Incompatibilities
38 This release is not binary compatible with the 5.005 release and its
45 =head1 Supported Platforms
49 =head1 Modules and Pragmata
53 =head1 Utility Changes
57 =head1 Documentation Changes
61 =head1 New Diagnostics
65 =head1 Obsolete Diagnostics
71 If you find what you think is a bug, you might check the headers of
72 recently posted articles in the comp.lang.perl.misc newsgroup.
73 There may also be information at http://www.perl.com/perl/, the Perl
76 If you believe you have an unreported bug, please run the B<perlbug>
77 program included with your release. Make sure you trim your bug down
78 to a tiny but sufficient test case. Your bug report, along with the
79 output of C<perl -V>, will be sent off to <F<perlbug@perl.com>> to be
80 analysed by the Perl porting team.
84 The F<Changes> file for exhaustive details on what changed.
86 The F<INSTALL> file for how to build Perl.
88 The F<README> file for general stuff.
90 The F<Artistic> and F<Copying> files for copyright information.
94 Written by Gurusamy Sarathy <F<gsar@umich.edu>>, with many contributions
95 from The Perl Porters.
97 Send omissions or corrections to <F<perlbug@perl.com>>.