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author | Steve Hay <steve.m.hay@googlemail.com> | 2013-08-19 01:42:33 +0100 |
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committer | Steve Hay <steve.m.hay@googlemail.com> | 2013-08-19 01:45:50 +0100 |
commit | a963e2b287c3184467a914de519fd48e84bc57b4 (patch) | |
tree | 0a5effdc4ddfd24c3086fb773f27f7d75c484427 | |
parent | 54c04cb87882af1c2e2128858f415a5143d65a45 (diff) | |
download | perl-a963e2b287c3184467a914de519fd48e84bc57b4.tar.gz |
perldelta - Remove all but one XXX notices
Also, move a performance bug fix to the Performance Enhancements section
and mention new test scripts in the Testing section.
-rw-r--r-- | pod/perldelta.pod | 262 |
1 files changed, 11 insertions, 251 deletions
diff --git a/pod/perldelta.pod b/pod/perldelta.pod index 0d3f0f4e3c..11c60a7a0c 100644 --- a/pod/perldelta.pod +++ b/pod/perldelta.pod @@ -2,9 +2,6 @@ =head1 NAME -[ this is a template for a new perldelta file. Any text flagged as XXX needs -to be processed before release. ] - perldelta - what is new for perl v5.19.3 =head1 DESCRIPTION @@ -15,18 +12,8 @@ release. If you are upgrading from an earlier release such as 5.19.1, first read L<perl5192delta>, which describes differences between 5.19.1 and 5.19.2. -=head1 Notice - -XXX Any important notices here - =head1 Core Enhancements -XXX New core language features go here. Summarize user-visible core language -enhancements. Particularly prominent performance optimisations could go -here, but most should go in the L</Performance Enhancements> section. - -[ List each enhancement as a =head2 entry ] - =head2 B<-F> now implies B<-a> and B<-a> implies B<-n> Previously B<-F> without B<-a> was a no-op, and B<-a> without B<-n> or B<-p> @@ -43,84 +30,21 @@ It was possible that free()d memory could be read during parsing in the unusual circumstance of the Perl program ending with a heredoc and the last line of the file on disk having no terminating newline character. This has now been fixed. -=head1 Incompatible Changes - -XXX For a release on a stable branch, this section aspires to be: - - There are no changes intentionally incompatible with 5.XXX.XXX - If any exist, they are bugs, and we request that you submit a - report. See L</Reporting Bugs> below. - -[ List each incompatible change as a =head2 entry ] - -=head1 Deprecations - -XXX Any deprecated features, syntax, modules etc. should be listed here. - -=head2 Module removals - -XXX Remove this section if inapplicable. - -The following modules will be removed from the core distribution in a -future release, and will at that time need to be installed from CPAN. -Distributions on CPAN which require these modules will need to list them as -prerequisites. - -The core versions of these modules will now issue C<"deprecated">-category -warnings to alert you to this fact. To silence these deprecation warnings, -install the modules in question from CPAN. - -Note that these are (with rare exceptions) fine modules that you are encouraged -to continue to use. Their disinclusion from core primarily hinges on their -necessity to bootstrapping a fully functional, CPAN-capable Perl installation, -not usually on concerns over their design. - -=over - -XXX Note that deprecated modules should be listed here even if they are listed -as an updated module in the L</Modules and Pragmata> section. - -=back - -[ List each other deprecation as a =head2 entry ] - =head1 Performance Enhancements -XXX Changes which enhance performance without changing behaviour go here. -There may well be none in a stable release. - -[ List each enhancement as a =item entry ] - =over 4 =item * -XXX +A performance regression introduced in Perl 5.11.2 in non-Unicode +case-insensitive pattern matching has been largely resolved. In particular, +the disabled optimization is now restored for every ASCII-range character. +[perl #107816] =back =head1 Modules and Pragmata -XXX All changes to installed files in F<cpan/>, F<dist/>, F<ext/> and F<lib/> -go here. If Module::CoreList is updated, generate an initial draft of the -following sections using F<Porting/corelist-perldelta.pl>, which prints stub -entries to STDOUT. Results can be pasted in place of the '=head2' entries -below. A paragraph summary for important changes should then be added by hand. -In an ideal world, dual-life modules would have a F<Changes> file that could be -cribbed. - -[ Within each section, list entries as a =item entry ] - -=head2 New Modules and Pragmata - -=over 4 - -=item * - -XXX - -=back - =head2 Updated Modules and Pragmata =over 4 @@ -380,35 +304,10 @@ A minor clarification has been made in the documentation. =back -=head2 Removed Modules and Pragmata - -=over 4 - -=item * - -XXX - -=back - =head1 Documentation -XXX Changes to files in F<pod/> go here. Consider grouping entries by -file and be sure to link to the appropriate page, e.g. L<perlfunc>. - -=head2 New Documentation - -XXX Changes which create B<new> files in F<pod/> go here. - -=head3 L<XXX> - -XXX Description of the purpose of the new file here - =head2 Changes to Existing Documentation -XXX Changes which significantly change existing files in F<pod/> go here. -However, any changes to F<pod/perldiag.pod> should go in the L</Diagnostics> -section. - =head3 L<perlopentut> =over 4 @@ -463,14 +362,8 @@ The following additions or changes have been made to diagnostic output, including warnings and fatal error messages. For the complete list of diagnostic messages, see L<perldiag>. -XXX New or changed warnings emitted by the core's C<C> code go here. Also -include any changes in L<perldiag> that reconcile it to the C<C> code. - =head2 New Diagnostics -XXX Newly added diagnostic messages go under here, separated into New Errors -and New Warnings - =head3 New Errors =over 4 @@ -515,129 +408,29 @@ C<PL_exit_flags>. =back -=head2 Changes to Existing Diagnostics - -XXX Changes (i.e. rewording) of diagnostic messages go here +=head1 Testing =over 4 =item * -XXX Describe change here - -=back - -=head1 Utility Changes - -XXX Changes to installed programs such as F<perlbug> and F<xsubpp> go here. -Most of these are built within the directories F<utils> and F<x2p>. - -[ List utility changes as a =head3 entry for each utility and =item -entries for each change -Use L<XXX> with program names to get proper documentation linking. ] - -=head3 L<XXX> - -=over 4 +The behaviour of C<pos> on very large strings is now tested in the new test +script F<t/bigmem/pos.t>. =item * -XXX - -=back - -=head1 Configuration and Compilation - -XXX Changes to F<Configure>, F<installperl>, F<installman>, and analogous tools -go here. Any other changes to the Perl build process should be listed here. -However, any platform-specific changes should be listed in the -L</Platform Support> section, instead. - -[ List changes as a =item entry ]. - -=over 4 +The test script F<t/porting/ss_dup.t> has been created to test that ss_dup() +handles all savestack items. =item * -XXX - -=back - -=head1 Testing - -XXX Any significant changes to the testing of a freshly built perl should be -listed here. Changes which create B<new> files in F<t/> go here as do any -large changes to the testing harness (e.g. when parallel testing was added). -Changes to existing files in F<t/> aren't worth summarizing, although the bugs -that they represent may be covered elsewhere. - -[ List each test improvement as a =item entry ] - -=over 4 - -=item * - -XXX - -=back - -=head1 Platform Support - -XXX Any changes to platform support should be listed in the sections below. - -[ Within the sections, list each platform as a =item entry with specific -changes as paragraphs below it. ] - -=head2 New Platforms - -XXX List any platforms that this version of perl compiles on, that previous -versions did not. These will either be enabled by new files in the F<hints/> -directories, or new subdirectories and F<README> files at the top level of the -source tree. - -=over 4 - -=item XXX-some-platform - -XXX - -=back - -=head2 Discontinued Platforms - -XXX List any platforms that this version of perl no longer compiles on. - -=over 4 - -=item XXX-some-platform - -XXX - -=back - -=head2 Platform-Specific Notes - -XXX List any changes for specific platforms. This could include configuration -and compilation changes or changes in portability/compatibility. However, -changes within modules for platforms should generally be listed in the -L</Modules and Pragmata> section. - -=over 4 - -=item XXX-some-platform - -XXX +The new behaviour of B<-F> and B<-a> (see the L</Core Enhancements> section) is +tested in the new test script F<t/run/switchF2.t>. =back =head1 Internal Changes -XXX Changes which affect the interface available to C<XS> code go here. Other -significant internal changes for future core maintainers should be noted as -well. - -[ List each change as a =item entry ] - =over 4 =item * @@ -654,11 +447,6 @@ perl C<warn> or C<abort> on an attempted exit. [perl #52000] =head1 Selected Bug Fixes -XXX Important bug fixes in the core language are summarized here. Bug fixes in -files in F<ext/> and F<lib/> are best summarized in L</Modules and Pragmata>. - -[ List each fix as a =item entry ] - =over 4 =item * @@ -821,40 +609,12 @@ continue using the old sub. This was a regression in Perl 5.18. [perl #114864] =item * -A performance regression introduced in Perl 5.11.2 in non-Unicode -case-insensitive pattern matching has been largely resolved. In particular, -the disabled optimization is now restored for every ASCII-range character. -[perl #107816] - -=item * - All known false-positive occurrences of the deprecation warning "Useless use of '\'; doesn't escape metacharacter '%c'", added in Perl 5.18.0, have been removed. [perl #119101] =back -=head1 Known Problems - -XXX Descriptions of platform agnostic bugs we know we can't fix go here. Any -tests that had to be C<TODO>ed for the release would be noted here. Unfixed -platform specific bugs also go here. - -[ List each fix as a =item entry ] - -=over 4 - -=item * - -XXX - -=back - -=head1 Obituary - -XXX If any significant core contributor has died, we've added a short obituary -here. - =head1 Acknowledgements XXX Generate this with: |