5 [ this is a template for a new perldelta file. Any text flagged as
6 XXX needs to be processed before release. ]
8 perldelta - what is new for perl v5.13.10
12 This document describes differences between the 5.XXX.XXX release and
13 the 5.XXX.XXX release.
15 If you are upgrading from an earlier release such as 5.YYY.YYY, first read
16 L<perl5YYYdelta>, which describes differences between 5.ZZZ.ZZZ and
21 XXX Any important notices here
23 =head1 Core Enhancements
25 XXX New core language features go here. Summarise user-visible core language
26 enhancements. Particularly prominent performance optimisations could go
27 here, but most should go in the L</Performance Enhancements> section.
29 [ List each enhancement as a =head2 entry ]
31 =head2 Add C<\p{Titlecase}> as a synonym for C<\p{Title}>
33 This synonym is added for symmetry with the Unicode property names
34 C<\p{Uppercase}> and C<\p{Lowercase}>.
36 =head2 New regular expression modifier option C</aa>
38 Doubling the C</a> regular expression modifier increases its effect,
39 so that in case-insensitive matching, no ASCII character will match a
40 non-ASCII character. For example, normally,
42 'k' =~ /\N{KELVIN SIGN}/
44 will match; it won't under C</aa>. Note that like C</a>, C</aa>
45 in 5.14 will not actually be able to be used as a suffix at the end of a
48 =head2 New warnings categories for problematic (non-)Unicode code points.
50 Three new warnings subcategories of <utf8> have been added. These
51 allow you to turn off warnings for their covered events, while allowing
52 the other UTF-8 warnings to remain on. The three categories are:
53 C<surrogate> when UTF-16 surrogates are encountered;
54 C<nonchar> when Unicode non-character code points are encountered;
55 and C<non_unicode> when code points that are above the legal Unicode
56 maximum of 0x10FFFF are encountered.
60 XXX Any security-related notices go here. In particular, any security
61 vulnerabilities closed should be noted here rather than in the
62 L</Selected Bug Fixes> section.
64 [ List each security issue as a =head2 entry ]
66 =head1 Incompatible Changes
68 XXX For a release on a stable branch, this section aspires to be:
70 There are no changes intentionally incompatible with 5.XXX.XXX. If any
71 exist, they are bugs and reports are welcome.
73 [ List each incompatible change as a =head2 entry ]
75 =head2 Most C<\p{}> properties are now immune from case-insensitive matching
77 For most Unicode properties, it doesn't make sense to have them match
78 differently under C</i> case-insensitive matching than not. And doing
79 so leads to unexpected results and potential security holes. For
82 m/\p{ASCII_Hex_Digit}+/i
84 could previously match non-ASCII characters because of the Unicode
85 matching rules. There were a number of bugs in this feature until an
86 earlier release in the 5.13 series. Now this release reverts, and
87 removes the feature completely except for the few properties where
88 people have come to expect it, namely the ones where casing is an
89 integral part of their functionality, such as C<m/\p{Uppercase}/i> and
90 C<m/\p{Lowercase}/i>, both of which match the exact same code points,
91 namely those matched by C<m/\p{Cased}/i>. Details are in
92 L<perlrecharclass/Unicode Properties>.
94 User-defined property handlers that need to match differently under
95 C</i> must change to read the new boolean parameter passed it which is
96 non-zero if case-insensitive matching is in effect; 0 if not. See
97 L<perluniprops/User-Defined Character Properties>.
99 =head2 [perl #82996] Use the user's from address as return-path in perlbug
101 Many systems these days don't have a valid Internet domain name and
102 perlbug@perl.org does not accept email with a return-path that does
103 not resolve. Therefore pass the user's address to sendmail so it's
104 less likely to get stuck in a mail queue somewhere. (019cfd2)
106 =head2 regex: \p{} in pattern implies Unicode semantics
108 Now, a Unicode property match specified in the pattern will indicate
109 that the pattern is meant for matching according to Unicode rules
112 =head2 add GvCV_set() and GvGP_set() macros and change GvGP()
114 This allows a future commit to eliminate some backref magic between GV
115 and CVs, which will require complete control over assignment to the
118 If you've been using GvGP() in lvalue context this change will break
119 your code, you should use GvGP_set() instead. (c43ae56)
121 =head2 _swash_inversion_hash is no longer exported as part of the API
123 This function shouldn't be called from XS code. (4c2e113)
125 =head2 Unreferenced objects in global destruction
127 The fix for [perl #36347], which made sure that destructors were called on
128 unreferenced objects, broke the tests for three CPAN modules, which
129 apparently rely on the bug.
131 To provide more time for fixing them (as this is such a minor bug), we
132 have reverted the fix until after perl 5.14.0.
134 This resolves [perl #82542] and other related tickets.
136 =head2 C<close> on shared pipes
138 The C<close> function no longer waits for the child process to exit if the
139 underlying file descriptor is still in use by another thread, to avoid
140 deadlocks. It returns true in such cases.
146 =item Deprecated Modules
148 The following modules will be removed from the core distribution in a
149 future release, and should be installed from CPAN instead. Distributions
150 on CPAN which require these should add them to their prerequisites. The
151 core versions of these modules warnings will issue a deprecation warning.
153 If you ship a packaged version of Perl, either alone or as part of a
154 larger system, then you should carefully consider the repercussions of
155 core module deprecations. You may want to consider shipping your default
156 build of Perl with packages for some or all deprecated modules which
157 install into C<vendor> or C<site> perl library directories. This will
158 inhibit the deprecation warnings.
160 Alternatively, you may want to consider patching F<lib/deprecate.pm>
161 to provide deprecation warnings specific to your packaging system
162 or distribution of Perl, consistent with how your packaging system
163 or distribution manages a staged transition from a release where the
164 installation of a single package provides the given functionality, to
165 a later release where the system administrator needs to know to install
166 multiple packages to get that same functionality.
168 You can silence these deprecation warnings by installing the modules
169 in question from CPAN. To install the latest version of all of them,
170 just install C<Task::Deprecations::5_12>.
174 =item L<Devel::DProf>
176 We strongly recommend that you install and used L<Devel::NYTProf> in
177 preference, as it offers significantly improved profiling and reporting.
183 =head2 User-defined case-mapping
185 This feature is being deprecated due to its many issues, as documented in
186 L<perlunicode/User-Defined Case Mappings (for serious hackers only)>.
187 It is planned to remove this feature in Perl 5.16. A CPAN module
188 providing improved functionality is being prepared for release by the
191 [ List each deprecation as a =head2 entry ]
193 =head1 Performance Enhancements
195 XXX Changes which enhance performance without changing behaviour go here. There
196 may well be none in a stable release.
198 [ List each enhancement as a =item entry ]
208 =head1 Modules and Pragmata
210 XXX All changes to installed files in F<cpan/>, F<dist/>, F<ext/> and F<lib/>
211 go here. If Module::CoreList is updated, generate an initial draft of the
212 following sections using F<Porting/corelist-perldelta.pl>, which prints stub
213 entries to STDOUT. Results can be pasted in place of the '=head2' entries
214 below. A paragraph summary for important changes should then be added by hand.
215 In an ideal world, dual-life modules would have a F<Changes> file that could be
218 [ Within each section, list entries as a =item entry ]
220 =head2 New Modules and Pragmata
226 C<CPAN::Meta> version 2.110440 has been added as a dual-life module. It
227 provides a standard library to read, interpret and write CPAN distribution
228 metadata files (e.g. META.json and META.yml) which describes a
229 distribution, its contents, and the requirements for building it and
230 installing it. The latest CPAN distribution metadata specification is
231 included as C<CPAN::Meta::Spec> and notes on changes in the specification
232 over time are given in C<CPAN::Meta::History>.
236 C<Version::Requirements> version 0.101020 has been added as a dual-life
237 module. It provides a standard library to model and manipulates module
238 prerequisites and version constraints as defined in the L<CPAN::Meta::Spec>.
242 =head2 Updated Modules and Pragmata
248 C<B> has been upgraded from version 1.27 to 1.28.
252 C<Carp> has been upgraded from version 1.19 to 1.20.
254 [perl #82854] It now avoids using regular expressions that cause perl to
255 load its Unicode tables, in order to avoid the 'BEGIN not safe after
256 errors' error that will ensue if there has been a syntax error.
260 C<CGI> has been upgraded from version 3.51 to 3.52
264 C<CPAN> has been upgraded from version 1.94_64 to 1.94_65
266 Includes support for META.json and MYMETA.json.
270 C<CPANPLUS> has been upgraded from version 0.9011 to 0.9101
272 Includes support for META.json and MYMETA.json and a change to
273 using Digest::SHA for CPAN checksums.
277 C<deprecate> has been upgraded from version 0.01 to 0.02.
281 C<diagnostics> has been upgraded from version 1.21 to 1.22.
283 It now renders pod links slightly better, and has been taught to find
284 descriptions for messages that share their descriptions with other
289 C<Devel::DProf> has been upgraded from version 20080331.00 to 20110217.00.
291 Merely loading C<Devel::DProf> now no longer triggers profiling to start.
292 C<use Devel::DProf> and C<perl -d:DProf ...> still behave as before and start
295 NOTE: C<Devel::DProf> is deprecated and will be removed from a future
296 version of Perl. We strongly recommend that you install and use
297 L<Devel::NYTProf> instead, as it offers significantly improved
298 profiling and reporting.
302 C<DynaLoader> has been upgraded from version 1.12 to 1.13.
304 [perl #84358] It no longer inherits from AutoLoader; hence it no longer
305 produces weird error messages for unsuccessful method calls on classes that
306 inherit from DynaLoader.
310 C<IO::Select> has been upgraded from version 1.17 to 1.18.
312 It now allows IO::Handle objects (and objects in derived classes) to be
313 removed from an IO::Select set even if the underlying file descriptor is
318 C<IPC::Cmd> has been upgraded from version 0.68 to 0.70
322 C<HTTP::Tiny> has been upgraded from version 0.009 to 0.010
326 C<Math::BigInt> has been upgraded from version 1.99_04 to 1.992.
330 C<Module::Build> has been upgraded from version 0.3607 to 0.37_04.
332 A notable change is the deprecation of several modules.
333 Module::Build::Version has been deprecated and Module::Build now relies
334 directly upon L<version>. Module::Build::ModuleInfo has been deprecated in
335 favor of a standalone copy of it called L<Module::Metadata>.
336 Module::Build::YAML has been deprecated in favor of L<CPAN::Meta::YAML>.
338 Module::Build now also generates META.json and MYMETA.json files
339 in accordance with version 2 of the CPAN distribution metadata specification,
340 L<CPAN::Meta::Spec>. The older format META.yml and MYMETA.yml files are
341 still generated, as well.
345 C<Module::Load::Conditional> has been upgraded from version 0.40 to 0.44
349 C<Module::Metadata> has been upgraded from version 1.000003 to 1.000004.
353 C<overload> has been upgraded from version 1.12 to 1.13.
355 The documentation has greatly improved. See L</Documentation> below.
359 C<Parse::CPAN::Meta> has been upgraded from version 1.40 to 1.4401.
361 The latest Parse::CPAN::Meta can now read YAML or JSON files using
362 L<CPAN::Meta::YAML> and L<JSON::PP>, which are now part of the Perl core.
366 C<re> has been upgraded from version 0.16 to 0.17.
368 It now supports the double-a flag: C<use re '/aa';>
370 The C<regmust> function used to crash when called on a regular expression
371 belonging to a pluggable engine. Now it has been disabled for those.
373 C<regmust> no longer leaks memory.
377 C<Term::UI> has been upgraded from version 0.24 to 0.26
381 C<Unicode::Collate> has been upgraded from version 0.68 to 0.72
383 This also sees the switch from using the pure-perl version of this
384 module to the XS version.`
388 C<VMS::DCLsym> has been upgraded from version 1.04 to 1.05.
390 Two bugs have been fixed [perl #84086]:
392 The symbol table name was lost when tying a hash, due to a thinko in
393 C<TIEHASH>. The result was that all tied hashes interacted with the
396 Unless a symbol table name had been explicitly specified in the call
397 to the constructor, querying the special key ':LOCAL' failed to
398 identify objects connected to the local symbol table.
402 Added new function C<Unicode::UCD::num()>. This function will return the
403 numeric value of the string passed it; C<undef> if the string in its
404 entirety has no safe numeric value.
406 To be safe, a string must be a single character which has a numeric
407 value, or consist entirely of characters that match \d, coming from the
408 same Unicode block of digits. Thus, a mix of Bengali and Western
409 digits would be considered unsafe, as well as a mix of half- and
410 full-width digits, but strings consisting entirely of Devanagari digits
411 or of "Mathematical Bold" digits would would be safe.
415 C<CPAN> has been upgraded from version1.94_63 to 1.94_64.
423 =head2 Removed Modules and Pragmata
435 XXX Changes to files in F<pod/> go here. Consider grouping entries by
436 file and be sure to link to the appropriate page, e.g. L<perlfunc>.
438 =head2 New Documentation
440 XXX Changes which create B<new> files in F<pod/> go here.
444 XXX Description of the purpose of the new file here
446 =head2 Changes to Existing Documentation
448 XXX Changes which significantly change existing files in F<pod/> go here.
449 However, any changes to F<pod/perldiag.pod> should go in the L</Diagnostics>
458 L<overload>'s documentation has practically undergone a rewrite. It
459 is now much more straightforward and clear.
463 =head3 L<perlhack> and perlrepository
469 The L<perlhack> and perlrepository documents have been heavily edited and
470 split up into several new documents.
472 The L<perlhack> document is now much shorter, and focuses on the Perl 5
473 development process and submitting patches to Perl. The technical content has
474 been moved to several new documents, L<perlsource>, L<perlinterp>,
475 L<perlhacktut>, and L<perlhacktips>. This technical content has only been
478 The perlrepository document has been renamed to L<perlgit>. This new document
479 is just a how-to on using git with the Perl source code. Any other content
480 that used to be in perlrepository has been moved to perlhack.
490 The documentation for the C<map> function now contains more examples,
491 see B<perldoc -f map> (f947627)
501 Examples in L<perlfaq4> have been updated to show the use of
502 L<Time::Piece>. (9243591)
512 Many POD related RT bugs and other issues which are too numerous to
513 enumerate have been solved by Michael Stevens.
519 The following additions or changes have been made to diagnostic output,
520 including warnings and fatal error messages. For the complete list of
521 diagnostic messages, see L<perldiag>.
523 XXX New or changed warnings emitted by the core's C<C> code go here. Also
524 include any changes in L<perldiag> that reconcile it to the C<C> code.
526 [ Within each section, list entries as a =item entry ]
528 =head2 New Diagnostics
530 XXX Newly added diagnostic messages go here
534 =item "\b{" is deprecated; use "\b\{" instead
536 =item "\B{" is deprecated; use "\B\{" instead
538 Use of an unescaped "{" immediately following a C<\b> or C<\B> is now
539 deprecated so as to reserve its use for Perl itself in a future release.
541 =item regcomp: Add warning if \p is used under locale. (fb2e24c)
543 C<\p> implies Unicode matching rules, which are likely going to be
544 different than the locale's.
546 =item panic: gp_free failed to free glob pointer - something is repeatedly re-creating entries
548 This new error is triggered if a destructor called on an object in a
549 typeglob that is being freed creates a new typeglob entry containing an
550 object with a destructor that creates a new entry containing an object....
552 =item refcnt: fd %d%s
554 This new error only occurs if a internal consistency check fails when a
555 pipe is about to be closed.
559 =head2 Changes to Existing Diagnostics
561 XXX Changes (i.e. rewording) of diagnostic messages go here
567 The warning message about regex unrecognized escapes passed through is
568 changed to include any literal '{' following the 2-char escape. e.g.,
569 "\q{" will include the { in the message as part of the escape
572 =item * C<binmode $fh, ':scalar'> no longer warns (8250589)
574 Perl will now no longer produce this warning:
576 $ perl -we 'open my $f, ">", \my $x; binmode $f, "scalar"'
577 Use of uninitialized value in binmode at -e line 1.
585 =head1 Utility Changes
587 XXX Changes to installed programs such as F<perlbug> and F<xsubpp> go
588 here. Most of these are built within the directories F<utils> and F<x2p>.
590 [ List utility changes as a =head3 entry for each utility and =item
591 entries for each change
592 Use L<XXX> with program names to get proper documentation linking. ]
604 =head1 Configuration and Compilation
606 XXX Changes to F<Configure>, F<installperl>, F<installman>, and analogous tools
607 go here. Any other changes to the Perl build process should be listed here.
608 However, any platform-specific changes should be listed in the
609 L</Platform Support> section, instead.
611 [ List changes as a =item entry ].
615 =item * make reg_eval_scope.t TODOs consistently fail (daaf7ac)
617 Some of the TODO tests in reg_eval_scope.t spuriously passed under
618 non-threaded builds. Make the tests harder so they always fail.
620 Since one of the key bugs in (?{..}) is the trashing of the parent pad,
621 add some extra lexical vars to the parent scope and check they're still
626 Stop EU::CBuilder's tests from failing in parallel (cbf59d5)
628 It used to use the same paths for temporary files in all tests. This
629 blew up randomly when the tests were run in parallel.
639 XXX Any significant changes to the testing of a freshly built perl should be
640 listed here. Changes which create B<new> files in F<t/> go here as do any
641 large changes to the testing harness (e.g. when parallel testing was added).
642 Changes to existing files in F<t/> aren't worth summarising, although the bugs
643 that they represent may be covered elsewhere.
645 [ List each test improvement as a =item entry ]
651 F<porting/FindExt.t> now skips all tests on a static (-Uusedl) build
656 F<porting/FindExt.t> now passes on non-Win32 platforms when some
657 extensions are built statically.
661 =head1 Platform Support
663 XXX Any changes to platform support should be listed in the sections below.
665 [ Within the sections, list each platform as a =item entry with specific
666 changes as paragraphs below it. ]
670 XXX List any platforms that this version of perl compiles on, that previous
671 versions did not. These will either be enabled by new files in the F<hints/>
672 directories, or new subdirectories and F<README> files at the top level of the
677 =item XXX-some-platform
683 =head2 Discontinued Platforms
685 XXX List any platforms that this version of perl no longer compiles on.
689 =item XXX-some-platform
695 =head2 Platform-Specific Notes
697 XXX List any changes for specific platforms. This could include configuration
698 and compilation changes or changes in portability/compatibility. However,
699 changes within modules for platforms should generally be listed in the
700 L</Modules and Pragmata> section.
710 The C<test-prep> build target now depends on F<pod/perltoc.pod> to allow the
711 F<t/porting/buildtoc.t> test to run successfully.
721 [perl #82988] Skip hanging taint.t test on MirBSD 10 (1fb83d0)
723 Skip a hanging test under MirBSD that was already being skipped under
728 Previously if you build perl with a shared libperl.so on MirBSD (the
729 default config), it will work up to the installation; however, once
730 installed, it will be unable to find libperl. Treat path handling
731 like in the other BSD dialects.
737 =head1 Internal Changes
739 XXX Changes which affect the interface available to C<XS> code go here.
740 Other significant internal changes for future core maintainers should
743 [ List each test improvement as a =item entry ]
747 =item * Fix harmless invalid read in Perl_re_compile() (f6d9469)
749 [perl #2460] described a case where electric fence reported an invalid
750 read. This could be reproduced under valgrind with blead and -e'/x/',
751 but only on a non-debugging build.
753 This was because it was checking for certain pairs of nodes (e.g. BOL + END)
754 and wasn't allowing for EXACT nodes, which have the string at the next
755 node position when using a naive NEXTOPER(first). In the non-debugging
756 build, the nodes aren't initialised to zero, and a 1-char EXACT node isn't
757 long enough to spill into the type field of the "next node".
759 Fix this by only using NEXTOPER(first) when we know the first node is
762 =item * Break out the generated function Perl_keywords() into F<keywords.c>, a new file. (26ea9e1)
764 As it and Perl_yylex() both need FEATURE_IS_ENABLED, feature_is_enabled() is
765 no longer static, and the two macro definitions move from toke.c to perl.h
767 Previously, one had to cut and paste the output of perl_keywords.pl into the
768 middle of toke.c, and it was not clear that it was generated code.
772 A lot of tests have been ported from Test to Test::More, e.g. in
775 =item * Increase default PerlIO buffer size. (b83080d)
777 The previous default size of a PerlIO buffer (4096 bytes) has been increased
778 to the larger of 8192 bytes and your local BUFSIZ. Benchmarks show that doubling
779 this decade-old default increases read and write performance in the neighborhood
780 of 25% to 50% when using the default layers of perlio on top of unix. To choose
781 a non-default size, such as to get back the old value or to obtain and even
782 larger value, configure with:
784 ./Configure -Accflags=-DPERLIOBUF_DEFAULT_BUFSIZ=N
786 where N is the desired size in bytes; it should probably be a multiple of
796 =head1 Selected Bug Fixes
798 XXX Important bug fixes in the core language are summarised here.
799 Bug fixes in files in F<ext/> and F<lib/> are best summarised in
800 L</Modules and Pragmata>.
802 [ List each fix as a =item entry ]
808 A Unicode C<\p{}> property match in a regular expression pattern will
809 now force Unicode rules for the rest of the regular expression
813 [perl #38456] binmode FH, ":crlf" only modifies top crlf layer (7826b36)
815 When pushed on top of the stack, crlf will no longer enable crlf layers
816 lower in the stack. This will prevent unexpected results.
820 Fix 'raw' layer for RT #80764 (ecfd064)
822 Made a ':raw' open do what it advertises to do (first open the file,
823 then binmode it), instead of leaving off the top layer.
827 Use PerlIOBase_open for pop, utf8 and bytes layers (c0888ac)
829 Three of Perl's builtin PerlIO layers (C<:pop>, C<:utf8> and
830 C<:bytes>) didn't allow stacking when opening a file. For example
833 open FH, '>:pop:perlio', 'some.file' or die $!;
835 Would throw an error: "Invalid argument". This has been fixed in this
840 An issue present since 5.13.1, where s/A/B/ with A utf8 and B
841 non-utf8, could cause corruption or segfaults has been
846 String evals will no longer fail after 2 billion scopes have been
847 compiled (d1bfb64, 2df5bdd, 0d311cd and 6012dc8)
851 [perl #81750] When strict 'refs' mode is off,
852 C<%{...}> in rvalue context returns C<undef> if
853 its argument is undefined. An optimisation introduced in perl 5.12.0 to
854 make C<keys %{...}> faster when used as a boolean did not take this into
855 account, causing C<keys %{+undef}> (and C<keys %$foo> when C<$foo> is
856 undefined) to be an error, which it should only be in strict mode.
860 [perl #83194] Combining the vector (%v) flag and dynamic precision would
861 cause sprintf to confuse the order of its arguments, making it treat the
862 string as the precision and vice versa.
866 [perl #77692] Sometimes the UTF8 length cache would not be reset on a value
867 returned by substr, causing C<length(substr($uni_string,...))> to give
868 wrong answers. With C<${^UTF8CACHE}> set to -1, it would produce a 'panic'
873 During the restoration of a localised typeglob on scope exit, any
874 destructors called as a result would be able to see the typeglob in an
875 inconsistent state, containing freed entries, which could result in a
876 crash. This would affect code like this:
879 eval { die bless [] }; # puts an object in $@
884 Now the glob entries are cleared before any destructors are called. This
885 also means that destructors can vivify entries in the glob. So perl tries
886 again and, if the entries are re-created too many times, dies with a
887 'panic: gp_free...' error message.
891 [perl #78494] When pipes are shared between threads, the C<close> function
892 (and any implicit close, such as on thread exit) no longer blocks.
896 Several contexts no longer allow a Unicode character to begin a word
897 that should never begin words, for an example an accent that must follow
898 another character previously could precede all other characters.
902 Case insensitive matching in regular expressions compiled under C<use
903 locale> now works much more sanely when the pattern and/or target string
904 are encoded in UTF-8. Previously, under these conditions the localeness
905 was completely lost. Now, code points above 255 are treated as Unicode,
906 but code points between 0 and 255 are treated using the current locale
907 rules, regardless of whether the pattern or string are encoded in UTF-8.
908 The few case insensitive matches that cross the 255/256 boundary are not
909 allowed. For example, 0xFF does not caselessly match the character at
910 0x178, LATIN CAPITAL LETTER Y WITH DIAERESIS, because 0xFF may not be
911 LATIN SMALL LETTER Y in the current locale, and Perl has no way of
912 knowing if that character even exists in the locale, much less what code
917 =head1 Known Problems
919 XXX Descriptions of platform agnostic bugs we know we can't fix go here. Any
920 tests that had to be C<TODO>ed for the release would be noted here, unless
921 they were specific to a particular platform (see below).
923 This is a list of some significant unfixed bugs, which are regressions
924 from either 5.XXX.XXX or 5.XXX.XXX.
926 [ List each fix as a =item entry ]
938 XXX If any significant core contributor has died, we've added a short obituary
941 =head1 Acknowledgements
943 XXX The list of people to thank goes here.
945 =head1 Reporting Bugs
947 If you find what you think is a bug, you might check the articles
948 recently posted to the comp.lang.perl.misc newsgroup and the perl
949 bug database at http://rt.perl.org/perlbug/ . There may also be
950 information at http://www.perl.org/ , the Perl Home Page.
952 If you believe you have an unreported bug, please run the L<perlbug>
953 program included with your release. Be sure to trim your bug down
954 to a tiny but sufficient test case. Your bug report, along with the
955 output of C<perl -V>, will be sent off to perlbug@perl.org to be
956 analysed by the Perl porting team.
958 If the bug you are reporting has security implications, which make it
959 inappropriate to send to a publicly archived mailing list, then please send
960 it to perl5-security-report@perl.org. This points to a closed subscription
961 unarchived mailing list, which includes all the core committers, who be able
962 to help assess the impact of issues, figure out a resolution, and help
963 co-ordinate the release of patches to mitigate or fix the problem across all
964 platforms on which Perl is supported. Please only use this address for
965 security issues in the Perl core, not for modules independently
970 The F<Changes> file for an explanation of how to view exhaustive details
973 The F<INSTALL> file for how to build Perl.
975 The F<README> file for general stuff.
977 The F<Artistic> and F<Copying> files for copyright information.