New perldelta

10 files changed, 606 insertions, 218 deletions

diff --git a/MANIFEST b/MANIFEST
index 8082cb04aa..e65ccdc137 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -4723,6 +4723,7 @@ pod/perl5161delta.pod		Perl changes in version 5.16.1
 pod/perl5162delta.pod		Perl changes in version 5.16.2
 pod/perl5163delta.pod		Perl changes in version 5.16.3
 pod/perl5170delta.pod		Perl changes in version 5.17.0
+pod/perl51710delta.pod		Perl changes in version 5.17.10
 pod/perl5171delta.pod		Perl changes in version 5.17.1
 pod/perl5172delta.pod		Perl changes in version 5.17.2
 pod/perl5173delta.pod		Perl changes in version 5.17.3
diff --git a/Makefile.SH b/Makefile.SH
index 24acd5b95e..93c7385b09 100755
--- a/Makefile.SH
+++ b/Makefile.SH
@@ -491,7 +491,7 @@ mini_obj = $(minindt_obj) $(MINIDTRACE_O)
 ndt_obj = $(obj0) $(obj1) $(obj2) $(obj3) $(ARCHOBJS)
 obj = $(ndt_obj) $(DTRACE_O)
 
-perltoc_pod_prereqs = extra.pods pod/perl51710delta.pod pod/perlapi.pod pod/perlintern.pod pod/perlmodlib.pod pod/perluniprops.pod
+perltoc_pod_prereqs = extra.pods pod/perl51711delta.pod pod/perlapi.pod pod/perlintern.pod pod/perlmodlib.pod pod/perluniprops.pod
 generated_pods = pod/perltoc.pod $(perltoc_pod_prereqs)
 generated_headers = uudmap.h bitcount.h mg_data.h
 
@@ -1067,9 +1067,9 @@ pod/perlintern.pod: $(MINIPERL_EXE) autodoc.pl embed.fnc
 pod/perlmodlib.pod: $(MINIPERL_EXE) pod/perlmodlib.PL MANIFEST
 	$(MINIPERL) $(Icwd) pod/perlmodlib.PL -q
 
-pod/perl51710delta.pod: pod/perldelta.pod
-	$(RMS) pod/perl51710delta.pod
-	$(LNS) perldelta.pod pod/perl51710delta.pod
+pod/perl51711delta.pod: pod/perldelta.pod
+	$(RMS) pod/perl51711delta.pod
+	$(LNS) perldelta.pod pod/perl51711delta.pod
 
 extra.pods: $(MINIPERL_EXE)
 	-@test ! -f extra.pods || rm -f `cat extra.pods`
diff --git a/pod/.gitignore b/pod/.gitignore
index 2591d513bb..da6ce91a9d 100644
--- a/pod/.gitignore
+++ b/pod/.gitignore
@@ -59,7 +59,7 @@
 /roffitall
 
 # generated
-/perl51710delta.pod
+/perl51711delta.pod
 /perlapi.pod
 /perlintern.pod
 *.html
diff --git a/pod/perl.pod b/pod/perl.pod
index 8019ad1783..555b5bd4e4 100644
--- a/pod/perl.pod
+++ b/pod/perl.pod
@@ -179,6 +179,7 @@ aux a2p c2ph h2ph h2xs perlbug pl2pm pod2html pod2man s2p splain xsubpp
 
     perlhist		Perl history records
     perldelta		Perl changes since previous version
+    perl51710delta	Perl changes in version 5.17.10
     perl5179delta	Perl changes in version 5.17.9
     perl5178delta	Perl changes in version 5.17.8
     perl5177delta	Perl changes in version 5.17.7
diff --git a/pod/perl51710delta.pod b/pod/perl51710delta.pod
new file mode 100644
index 0000000000..3c34e435ae
--- /dev/null
+++ b/pod/perl51710delta.pod
@@ -0,0 +1,416 @@
+=encoding utf8
+
+=head1 NAME
+
+perl51710delta - what is new for perl v5.17.10
+
+=head1 DESCRIPTION
+
+This document describes differences between the 5.17.9 release and the 5.17.10
+release.
+
+If you are upgrading from an earlier release such as 5.17.8, first read
+L<perl5179delta>, which describes differences between 5.17.8 and 5.17.9.
+
+=head1 Security
+
+=head2 Hash iteration randomized per hash variable
+
+Every hash has its own iteration order, which
+should make it much more difficult to determine what the current hash
+seed is.
+
+=head1 Incompatible Changes
+
+=head2 Explicit rules for variable names and identifiers
+
+Due to an oversight, length-one variable names in 5.16 were completely
+unrestricted, and opened the door to several kinds of insanity.  As of
+5.18, these now follow the rules of other identifiers, in addition
+to accepting characters that match the \p{POSIX_Punct} property.
+
+There are no longer any differences in the parsing of identifiers specified
+as $... or ${...}; previously, they were dealt with in different parts of
+the core, and so had slightly different behavior. For instance,
+C<${foo:bar}> was a legal variable name.  Since they are now both parsed
+by the same code, that is no longer the case.
+
+[ List each incompatible change as a =head2 entry ]
+
+=head1 Deprecations
+
+=head2 PL_sv_objcount
+
+This interpreter-global variable used to track the total number of
+Perl objects in the interpreter. It is no longer maintained and will
+be removed altogether in Perl 5.20.
+
+=head1 Modules and Pragmata
+
+=head2 New Modules and Pragmata
+
+=over 4
+
+=item *
+
+L<Config::Perl::V> 0.17 has been added to the Perl core.
+
+=back
+
+=head2 Updated Modules and Pragmata
+
+=over 4
+
+=item *
+
+L<Archive::Extract> has been upgraded from version 0.62 to 0.68.
+
+NOTE: L<Archive::Extract> is deprecated and may be removed from a future version of Perl.
+
+=item *
+
+L<Attribute::Handlers> has been upgraded from version 0.93 to 0.94.
+
+=item *
+
+L<B::Lint> has been upgraded from version 1.14 to 1.17.
+
+NOTE: L<B::Lint> is deprecated and may be removed from a future version of Perl.
+
+=item *
+
+L<Benchmark> has been upgraded from version 1.14 to 1.15.
+
+This reverts (for now) a change in 1.14 whereby the "too few iterations"
+message became a warning on STDERR instead of being output on STDOUT. It's
+now on STDOUT again.
+
+=item *
+
+L<bignum> has been upgraded from version 0.31 to 0.32.
+
+=item *
+
+L<CPAN> has been upgraded from version 1.99_51 to 2.00.
+
+=item *
+
+L<CPANPLUS> has been upgraded from version 0.9133 to 0.9135.
+
+NOTE: L<CPANPLUS> is deprecated and may be removed from a future version of Perl.
+
+=item *
+
+L<CPANPLUS::Dist::Build> has been upgraded from version 0.68 to 0.70.
+
+NOTE: L<CPANPLUS::Dist::Build> is deprecated and may be removed from a future version of Perl.
+
+=item *
+
+L<Data::Dumper> has been upgraded from version 2.141 to 2.142.
+
+=item *
+
+L<DBM_Filter> has been upgraded from version 0.04 to 0.05.
+
+=item *
+
+L<Digest::SHA> has been upgraded from version 5.81 to 5.82.
+
+=item *
+
+L<Encode> has been upgraded from version 2.47 to 2.48.
+
+=item *
+
+L<ExtUtils::Manifest> has been upgraded from version 1.62 to 1.63.
+
+=item *
+
+L<File::CheckTree> has been upgraded from version 4.41 to 4.42.
+
+=item *
+
+L<File::DosGlob> has been upgraded from version 1.09 to 1.10.
+
+=item *
+
+L<File::Temp> has been upgraded from version 0.22 to 0.22_90.
+
+=item *
+
+L<Filter::Simple> has been upgraded from version 0.88 to 0.89.
+
+=item *
+
+L<IO> has been upgraded from version 1.26 to 1.27.
+
+=item *
+
+L<Log::Message> has been upgraded from version 0.04 to 0.06.
+
+NOTE: L<Log::Message> is deprecated and may be removed from a future version of Perl.
+
+=item *
+
+L<Log::Message::Simple> has been upgraded from version 0.08 to 0.10.
+
+NOTE: L<Log::Message::Simple> is deprecated and may be removed from a future version of Perl.
+
+=item *
+
+L<Math::BigInt> has been upgraded from version 1.998 to 1.999.
+
+=item *
+
+L<Module::CoreList> has been upgraded from version 2.80 to 2.85.
+
+=item *
+
+L<Module::Load> has been upgraded from version 0.22 to 0.24.
+
+=item *
+
+L<Module::Pluggable> has been upgraded from version 4.5 to 4.6.
+
+NOTE: L<Module::Pluggable> is deprecated and may be removed from a future version of Perl.
+
+=item *
+
+L<Net::Ping> has been upgraded from version 2.39 to 2.41.
+
+This fixes some test failures on Windows.
+
+=item *
+
+L<Object::Accessor> has been upgraded from version 0.44 to 0.46.
+
+NOTE: L<Object::Accessor> is deprecated and may be removed from a future version of Perl.
+
+=item *
+
+L<overload> has been upgraded from version 1.20 to 1.21.
+
+=item *
+
+L<Perl::OSType> has been upgraded from version 1.002 to 1.003.
+
+This fixes a bug detecting the VOS operating system.
+
+=item *
+
+L<PerlIO::scalar> has been upgraded from version 0.15 to 0.16.
+
+=item *
+
+L<Pod::Checker> has been upgraded from version 1.51 to 1.60.
+
+=item *
+
+L<Pod::Html> has been upgraded from version 1.17 to 1.18.
+
+=item *
+
+L<Pod::Parser> has been upgraded from version 1.51 to 1.60.
+
+=item *
+
+L<Pod::Perldoc> has been upgraded from version 3.17 to 3.19.
+
+=item *
+
+L<Pod::Usage> has been upgraded from version 1.51 to 1.61.
+
+=item *
+
+L<SelfLoader> has been upgraded from version 1.20 to 1.21.
+
+=item *
+
+L<Term::UI> has been upgraded from version 0.32 to 0.34.
+
+NOTE: L<Term::UI> is deprecated and may be removed from a future version of Perl.
+
+=item *
+
+L<Test::Harness> has been upgraded from version 3.25_01 to 3.26.
+
+=item *
+
+L<Text::Soundex> has been upgraded from version 3.03_01 to 3.04.
+
+=item *
+
+L<Thread::Queue> has been upgraded from version 3.01 to 3.02.
+
+=item *
+
+L<Unicode::UCD> has been upgraded from version 0.47 to 0.50.
+
+=item *
+
+L<warnings> has been upgraded from version 1.16 to 1.17.
+
+=item *
+
+L<Win32> has been upgraded from version 0.45 to 0.46.
+
+=item *
+
+L<Win32API::File> has been upgraded from version 0.1200 to 0.1201.
+
+=back
+
+=head1 Documentation
+
+=head2 Changes to Existing Documentation
+
+=head3 L<perlrebackslash/\N>
+
+=over 4
+
+=item *
+
+This feature is no longer experimental.
+
+=back
+
+=head1 Diagnostics
+
+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>.
+
+=head2 New Diagnostics
+
+=head3 New Warnings
+
+=over 4
+
+=item *
+
+L<%c* is deprecated, and will become a syntax error|perldiag/"%c* is deprecated, and will become a syntax error">
+
+Use of C<@*>, C<&*>, C<**> or C<%*> is now deprecated, and will generate a
+compile time warning, enabled by default.  In future such code will fail to
+compile with a syntax error.  Removing these variables, along with C<$*>,
+will permit future syntax additions.
+
+=back
+
+=head2 Changes to Existing Diagnostics
+
+=over 4
+
+=item *
+
+L<$* is no longer supported, and will become a syntax error|perldiag/"$* is no longer supported, and will become a syntax error">
+
+The warning that use of C<$*> and C<$#> is no longer supported is now
+generated for every location that references them.  Previously it would fail
+to be generated if another variable using the same typeglob was seen first
+(e.g. C<@*> before C<$*>), and would not be generated for the second and
+subsequent uses.  (It's hard to fix the failure to generate warnings at all
+without also generating them every time, and warning every time is
+consistent with the warnings that C<$[> used to generate.)
+
+=back
+
+=head1 Internal Changes
+
+=over 4
+
+=item *
+
+The new copy-on-write mechanism that was introduced in 5.17.7 has now been
+disabled by default, since it was felt that there were too many rough
+edges for the 5.18 release. It is expected that it will be enabled by
+default for 5.20.
+
+This change also re-enables PL_sawampersand by default.
+
+It can be enabled in a perl build by running F<Configure> with
+B<-Accflags=-DPERL_NEW_COPY_ON_WRITE>, and we would encourage XS authors to
+try their code with such an enabled perl, and provide feedback.
+XXX need blurb, e.g. a reference to a new section in perlguts or perlxs
+explaining how XS authors should handle COW strings.
+
+=back
+
+=head1 Selected Bug Fixes
+
+=over 4
+
+=item *
+
+Fix two crashes in the debugger when using Frame=2 or autotrace.  These are
+[perl #116769] and [perl #116771].
+
+=back
+
+=head1 Acknowledgements
+
+Perl 5.17.10 represents approximately 4 weeks of development since Perl 5.17.9
+and contains approximately 77,000 lines of changes across 440 files from 42
+authors.
+
+Perl continues to flourish into its third decade thanks to a vibrant community
+of users and developers. The following people are known to have contributed the
+improvements that became Perl 5.17.10:
+
+Aaron Crane, Aaron Trevena, Andrew Tam, Andy Dougherty, Anton Nikishaev, Brad
+Gilbert, Brian Fraser, Charlie Gonzalez, Chris 'BinGOs' Williams, Craig A.
+Berry, Daniel Dragan, David Golden, David Mitchell, Dominic Hargreaves, Florian
+Ragwitz, George Greer, H.Merijn Brand, James E Keenan, Jasmine Ahuja, John
+Goodyear, John Peacock, Karl Williamson, Kent Fredric, Lukas Mai, Max
+Maischein, Nicholas Clark, Patrik Hägglund, Paul Green, Peter Martini, Rafael
+Garcia-Suarez, Renee Baecker, Ricardo Signes, Ruslan Zakirov, Salvador
+Fandiño, Scott Lanning, Shirakata Kentaro, Steffen Müller, Steve Hay, Steve
+Peters, Sullivan Beck, Tony Cook, Yves Orton.
+
+The list above is almost certainly incomplete as it is automatically generated
+from version control history. In particular, it does not include the names of
+the (very much appreciated) contributors who reported issues to the Perl bug
+tracker.
+
+Many of the changes included in this version originated in the CPAN modules
+included in Perl's core. We're grateful to the entire CPAN community for
+helping Perl to flourish.
+
+For a more complete list of all of Perl's historical contributors, please see
+the F<AUTHORS> file in the Perl source distribution.
+
+=head1 Reporting Bugs
+
+If you find what you think is a bug, you might check the articles recently
+posted to the comp.lang.perl.misc newsgroup and the perl bug database at
+http://rt.perl.org/perlbug/ .  There may also be information at
+http://www.perl.org/ , the Perl Home Page.
+
+If you believe you have an unreported bug, please run the L<perlbug> program
+included with your release.  Be sure to trim your bug down to a tiny but
+sufficient test case.  Your bug report, along with the output of C<perl -V>,
+will be sent off to perlbug@perl.org to be analysed by the Perl porting team.
+
+If the bug you are reporting has security implications, which make it
+inappropriate to send to a publicly archived mailing list, then please send it
+to perl5-security-report@perl.org.  This points to a closed subscription
+unarchived mailing list, which includes all the core committers, who will be
+able to help assess the impact of issues, figure out a resolution, and help
+co-ordinate the release of patches to mitigate or fix the problem across all
+platforms on which Perl is supported.  Please only use this address for
+security issues in the Perl core, not for modules independently distributed on
+CPAN.
+
+=head1 SEE ALSO
+
+The F<Changes> file for an explanation of how to view exhaustive details on
+what changed.
+
+The F<INSTALL> file for how to build Perl.
+
+The F<README> file for general stuff.
+
+The F<Artistic> and F<Copying> files for copyright information.
+
+=cut
diff --git a/pod/perldelta.pod b/pod/perldelta.pod
index b6ef839d14..b2526ad9d9 100644
--- a/pod/perldelta.pod
+++ b/pod/perldelta.pod
@@ -2,383 +2,349 @@
 
 =head1 NAME
 
-perldelta - what is new for perl v5.17.10
+[ 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 v5.17.11
 
 =head1 DESCRIPTION
 
-This document describes differences between the 5.17.9 release and the 5.17.10
+This document describes differences between the 5.17.10 release and the 5.17.11
 release.
 
-If you are upgrading from an earlier release such as 5.17.8, first read
-L<perl5179delta>, which describes differences between 5.17.8 and 5.17.9.
+If you are upgrading from an earlier release such as 5.17.9, first read
+L<perl51710delta>, which describes differences between 5.17.9 and 5.17.10.
 
-=head1 Security
+=head1 Notice
 
-=head2 Hash iteration randomized per hash variable
+XXX Any important notices here
 
-Every hash has its own iteration order, which
-should make it much more difficult to determine what the current hash
-seed is.
+=head1 Core Enhancements
 
-=head1 Incompatible Changes
+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.
 
-=head2 Explicit rules for variable names and identifiers
+[ List each enhancement as a =head2 entry ]
 
-Due to an oversight, length-one variable names in 5.16 were completely
-unrestricted, and opened the door to several kinds of insanity.  As of
-5.18, these now follow the rules of other identifiers, in addition
-to accepting characters that match the \p{POSIX_Punct} property.
+=head1 Security
 
-There are no longer any differences in the parsing of identifiers specified
-as $... or ${...}; previously, they were dealt with in different parts of
-the core, and so had slightly different behavior. For instance,
-C<${foo:bar}> was a legal variable name.  Since they are now both parsed
-by the same code, that is no longer the case.
+XXX Any security-related notices go here.  In particular, any security
+vulnerabilities closed should be noted here rather than in the
+L</Selected Bug Fixes> section.
 
-[ List each incompatible change as a =head2 entry ]
+[ List each security issue as a =head2 entry ]
 
-=head1 Deprecations
+=head1 Incompatible Changes
 
-=head2 PL_sv_objcount
+XXX For a release on a stable branch, this section aspires to be:
 
-This interpreter-global variable used to track the total number of
-Perl objects in the interpreter. It is no longer maintained and will
-be removed altogether in Perl 5.20.
+    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.
 
-=head1 Modules and Pragmata
+[ List each incompatible change as a =head2 entry ]
 
-=head2 New Modules and Pragmata
+=head1 Deprecations
 
-=over 4
+XXX Any deprecated features, syntax, modules etc. should be listed here.  In
+particular, deprecated modules should be listed here even if they are listed as
+an updated module in the L</Modules and Pragmata> section.
 
-=item *
+[ List each deprecation as a =head2 entry ]
 
-L<Config::Perl::V> 0.17 has been added to the Perl core.
+=head1 Performance Enhancements
 
-=back
+XXX Changes which enhance performance without changing behaviour go here.
+There may well be none in a stable release.
 
-=head2 Updated Modules and Pragmata
+[ List each enhancement as a =item entry ]
 
 =over 4
 
 =item *
 
-L<Archive::Extract> has been upgraded from version 0.62 to 0.68.
+XXX
 
-NOTE: L<Archive::Extract> is deprecated and may be removed from a future version of Perl.
+=back
 
-=item *
+=head1 Modules and Pragmata
 
-L<Attribute::Handlers> has been upgraded from version 0.93 to 0.94.
+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.
 
-=item *
+[ Within each section, list entries as a =item entry ]
 
-L<B::Lint> has been upgraded from version 1.14 to 1.17.
+=head2 New Modules and Pragmata
 
-NOTE: L<B::Lint> is deprecated and may be removed from a future version of Perl.
+=over 4
 
 =item *
 
-L<Benchmark> has been upgraded from version 1.14 to 1.15.
+XXX
 
-This reverts (for now) a change in 1.14 whereby the "too few iterations"
-message became a warning on STDERR instead of being output on STDOUT. It's
-now on STDOUT again.
+=back
 
-=item *
+=head2 Updated Modules and Pragmata
 
-L<bignum> has been upgraded from version 0.31 to 0.32.
+=over 4
 
 =item *
 
-L<CPAN> has been upgraded from version 1.99_51 to 2.00.
+L<XXX> has been upgraded from version A.xx to B.yy.
 
-=item *
+=back
 
-L<CPANPLUS> has been upgraded from version 0.9133 to 0.9135.
+=head2 Removed Modules and Pragmata
 
-NOTE: L<CPANPLUS> is deprecated and may be removed from a future version of Perl.
+=over 4
 
 =item *
 
-L<CPANPLUS::Dist::Build> has been upgraded from version 0.68 to 0.70.
-
-NOTE: L<CPANPLUS::Dist::Build> is deprecated and may be removed from a future version of Perl.
-
-=item *
+XXX
 
-L<Data::Dumper> has been upgraded from version 2.141 to 2.142.
+=back
 
-=item *
+=head1 Documentation
 
-L<DBM_Filter> has been upgraded from version 0.04 to 0.05.
+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>.
 
-=item *
+=head2 New Documentation
 
-L<Digest::SHA> has been upgraded from version 5.81 to 5.82.
+XXX Changes which create B<new> files in F<pod/> go here.
 
-=item *
+=head3 L<XXX>
 
-L<Encode> has been upgraded from version 2.47 to 2.48.
+XXX Description of the purpose of the new file here
 
-=item *
+=head2 Changes to Existing Documentation
 
-L<ExtUtils::Manifest> has been upgraded from version 1.62 to 1.63.
+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.
 
-=item *
+=head3 L<XXX>
 
-L<File::CheckTree> has been upgraded from version 4.41 to 4.42.
+=over 4
 
 =item *
 
-L<File::DosGlob> has been upgraded from version 1.09 to 1.10.
-
-=item *
+XXX Description of the change here
 
-L<File::Temp> has been upgraded from version 0.22 to 0.22_90.
+=back
 
-=item *
+=head1 Diagnostics
 
-L<Filter::Simple> has been upgraded from version 0.88 to 0.89.
+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>.
 
-=item *
+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.
 
-L<IO> has been upgraded from version 1.26 to 1.27.
+=head2 New Diagnostics
 
-=item *
+XXX Newly added diagnostic messages go under here, separated into New Errors
+and New Warnings
 
-L<Log::Message> has been upgraded from version 0.04 to 0.06.
+=head3 New Errors
 
-NOTE: L<Log::Message> is deprecated and may be removed from a future version of Perl.
+=over 4
 
 =item *
 
-L<Log::Message::Simple> has been upgraded from version 0.08 to 0.10.
+XXX L<message|perldiag/"message">
 
-NOTE: L<Log::Message::Simple> is deprecated and may be removed from a future version of Perl.
+=back
 
-=item *
+=head3 New Warnings
 
-L<Math::BigInt> has been upgraded from version 1.998 to 1.999.
+=over 4
 
 =item *
 
-L<Module::CoreList> has been upgraded from version 2.80 to 2.85.
+XXX L<message|perldiag/"message">
 
-=item *
-
-L<Module::Load> has been upgraded from version 0.22 to 0.24.
+=back
 
-=item *
+=head2 Changes to Existing Diagnostics
 
-L<Module::Pluggable> has been upgraded from version 4.5 to 4.6.
+XXX Changes (i.e. rewording) of diagnostic messages go here
 
-NOTE: L<Module::Pluggable> is deprecated and may be removed from a future version of Perl.
+=over 4
 
 =item *
 
-L<Net::Ping> has been upgraded from version 2.39 to 2.41.
+XXX Describe change here
 
-This fixes some test failures on Windows.
+=back
 
-=item *
+=head1 Utility Changes
 
-L<Object::Accessor> has been upgraded from version 0.44 to 0.46.
+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>.
 
-NOTE: L<Object::Accessor> is deprecated and may be removed from a future version of Perl.
+[ 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. ]
 
-=item *
+=head3 L<XXX>
 
-L<overload> has been upgraded from version 1.20 to 1.21.
+=over 4
 
 =item *
 
-L<Perl::OSType> has been upgraded from version 1.002 to 1.003.
+XXX
 
-This fixes a bug detecting the VOS operating system.
-
-=item *
-
-L<PerlIO::scalar> has been upgraded from version 0.15 to 0.16.
+=back
 
-=item *
+=head1 Configuration and Compilation
 
-L<Pod::Checker> has been upgraded from version 1.51 to 1.60.
+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.
 
-=item *
+[ List changes as a =item entry ].
 
-L<Pod::Html> has been upgraded from version 1.17 to 1.18.
+=over 4
 
 =item *
 
-L<Pod::Parser> has been upgraded from version 1.51 to 1.60.
-
-=item *
+XXX
 
-L<Pod::Perldoc> has been upgraded from version 3.17 to 3.19.
+=back
 
-=item *
+=head1 Testing
 
-L<Pod::Usage> has been upgraded from version 1.51 to 1.61.
+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.
 
-=item *
+[ List each test improvement as a =item entry ]
 
-L<SelfLoader> has been upgraded from version 1.20 to 1.21.
+=over 4
 
 =item *
 
-L<Term::UI> has been upgraded from version 0.32 to 0.34.
+XXX
 
-NOTE: L<Term::UI> is deprecated and may be removed from a future version of Perl.
+=back
 
-=item *
+=head1 Platform Support
 
-L<Test::Harness> has been upgraded from version 3.25_01 to 3.26.
+XXX Any changes to platform support should be listed in the sections below.
 
-=item *
+[ Within the sections, list each platform as a =item entry with specific
+changes as paragraphs below it. ]
 
-L<Text::Soundex> has been upgraded from version 3.03_01 to 3.04.
+=head2 New Platforms
 
-=item *
+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.
 
-L<Thread::Queue> has been upgraded from version 3.01 to 3.02.
+=over 4
 
-=item *
+=item XXX-some-platform
 
-L<Unicode::UCD> has been upgraded from version 0.47 to 0.50.
+XXX
 
-=item *
+=back
 
-L<warnings> has been upgraded from version 1.16 to 1.17.
+=head2 Discontinued Platforms
 
-=item *
+XXX List any platforms that this version of perl no longer compiles on.
 
-L<Win32> has been upgraded from version 0.45 to 0.46.
+=over 4
 
-=item *
+=item XXX-some-platform
 
-L<Win32API::File> has been upgraded from version 0.1200 to 0.1201.
+XXX
 
 =back
 
-=head1 Documentation
-
-=head2 Changes to Existing Documentation
+=head2 Platform-Specific Notes
 
-=head3 L<perlrebackslash/\N>
+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 *
+=item XXX-some-platform
 
-This feature is no longer experimental.
+XXX
 
 =back
 
-=head1 Diagnostics
-
-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>.
+=head1 Internal Changes
 
-=head2 New Diagnostics
+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.
 
-=head3 New Warnings
+[ List each change as a =item entry ]
 
 =over 4
 
 =item *
 
-L<%c* is deprecated, and will become a syntax error|perldiag/"%c* is deprecated, and will become a syntax error">
-
-Use of C<@*>, C<&*>, C<**> or C<%*> is now deprecated, and will generate a
-compile time warning, enabled by default.  In future such code will fail to
-compile with a syntax error.  Removing these variables, along with C<$*>,
-will permit future syntax additions.
+XXX
 
 =back
 
-=head2 Changes to Existing Diagnostics
-
-=over 4
-
-=item *
-
-L<$* is no longer supported, and will become a syntax error|perldiag/"$* is no longer supported, and will become a syntax error">
-
-The warning that use of C<$*> and C<$#> is no longer supported is now
-generated for every location that references them.  Previously it would fail
-to be generated if another variable using the same typeglob was seen first
-(e.g. C<@*> before C<$*>), and would not be generated for the second and
-subsequent uses.  (It's hard to fix the failure to generate warnings at all
-without also generating them every time, and warning every time is
-consistent with the warnings that C<$[> used to generate.)
+=head1 Selected Bug Fixes
 
-=back
+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>.
 
-=head1 Internal Changes
+[ List each fix as a =item entry ]
 
 =over 4
 
 =item *
 
-The new copy-on-write mechanism that was introduced in 5.17.7 has now been
-disabled by default, since it was felt that there were too many rough
-edges for the 5.18 release. It is expected that it will be enabled by
-default for 5.20.
+XXX
 
-This change also re-enables PL_sawampersand by default.
+=back
 
-It can be enabled in a perl build by running F<Configure> with
-B<-Accflags=-DPERL_NEW_COPY_ON_WRITE>, and we would encourage XS authors to
-try their code with such an enabled perl, and provide feedback.
-XXX need blurb, e.g. a reference to a new section in perlguts or perlxs
-explaining how XS authors should handle COW strings.
+=head1 Known Problems
 
-=back
+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.
 
-=head1 Selected Bug Fixes
+[ List each fix as a =item entry ]
 
 =over 4
 
 =item *
 
-Fix two crashes in the debugger when using Frame=2 or autotrace.  These are
-[perl #116769] and [perl #116771].
+XXX
 
 =back
 
+=head1 Obituary
+
+XXX If any significant core contributor has died, we've added a short obituary
+here.
+
 =head1 Acknowledgements
 
-Perl 5.17.10 represents approximately 4 weeks of development since Perl 5.17.9
-and contains approximately 77,000 lines of changes across 440 files from 42
-authors.
-
-Perl continues to flourish into its third decade thanks to a vibrant community
-of users and developers. The following people are known to have contributed the
-improvements that became Perl 5.17.10:
-
-Aaron Crane, Aaron Trevena, Andrew Tam, Andy Dougherty, Anton Nikishaev, Brad
-Gilbert, Brian Fraser, Charlie Gonzalez, Chris 'BinGOs' Williams, Craig A.
-Berry, Daniel Dragan, David Golden, David Mitchell, Dominic Hargreaves, Florian
-Ragwitz, George Greer, H.Merijn Brand, James E Keenan, Jasmine Ahuja, John
-Goodyear, John Peacock, Karl Williamson, Kent Fredric, Lukas Mai, Max
-Maischein, Nicholas Clark, Patrik Hägglund, Paul Green, Peter Martini, Rafael
-Garcia-Suarez, Renee Baecker, Ricardo Signes, Ruslan Zakirov, Salvador
-Fandiño, Scott Lanning, Shirakata Kentaro, Steffen Müller, Steve Hay, Steve
-Peters, Sullivan Beck, Tony Cook, Yves Orton.
-
-The list above is almost certainly incomplete as it is automatically generated
-from version control history. In particular, it does not include the names of
-the (very much appreciated) contributors who reported issues to the Perl bug
-tracker.
-
-Many of the changes included in this version originated in the CPAN modules
-included in Perl's core. We're grateful to the entire CPAN community for
-helping Perl to flourish.
-
-For a more complete list of all of Perl's historical contributors, please see
-the F<AUTHORS> file in the Perl source distribution.
+XXX Generate this with:
+
+  perl Porting/acknowledgements.pl v5.17.10..HEAD
 
 =head1 Reporting Bugs
 
diff --git a/vms/descrip_mms.template b/vms/descrip_mms.template
index abcedeb6b5..78e79f68f3 100644
--- a/vms/descrip_mms.template
+++ b/vms/descrip_mms.template
@@ -326,7 +326,7 @@ x2p : [.x2p]$(DBG)a2p$(E) [.x2p]s2p.com [.x2p]find2perl.com
 extra.pods : miniperl
 	@ @extra_pods.com
 
-PERLDELTA_CURRENT = [.pod]perl51710delta.pod
+PERLDELTA_CURRENT = [.pod]perl51711delta.pod
 
 $(PERLDELTA_CURRENT) : [.pod]perldelta.pod
 	Copy/NoConfirm/Log $(MMS$SOURCE) $(PERLDELTA_CURRENT)
diff --git a/win32/Makefile b/win32/Makefile
index 012d87fe59..df7ea01f7c 100644
--- a/win32/Makefile
+++ b/win32/Makefile
@@ -1158,7 +1158,7 @@ utils: $(PERLEXE) $(X2P)
 	copy ..\README.tw       ..\pod\perltw.pod
 	copy ..\README.vos      ..\pod\perlvos.pod
 	copy ..\README.win32    ..\pod\perlwin32.pod
-	copy ..\pod\perldelta.pod ..\pod\perl51710delta.pod
+	copy ..\pod\perldelta.pod ..\pod\perl51711delta.pod
 	cd ..\win32
 	$(PERLEXE) $(PL2BAT) $(UTILS)
 	$(PERLEXE) $(ICWD) ..\autodoc.pl ..
@@ -1251,7 +1251,7 @@ distclean: realclean
 	-if exist $(LIBDIR)\XS rmdir /s /q $(LIBDIR)\XS
 	-if exist $(LIBDIR)\Win32API rmdir /s /q $(LIBDIR)\Win32API
 	-cd $(PODDIR) && del /f *.html *.bat roffitall \
-	    perl51710delta.pod perlaix.pod perlamiga.pod perlapi.pod \
+	    perl51711delta.pod perlaix.pod perlamiga.pod perlapi.pod \
 	    perlbs2000.pod perlce.pod perlcn.pod perlcygwin.pod \
 	    perldgux.pod perldos.pod perlfreebsd.pod perlhaiku.pod \
 	    perlhpux.pod perlhurd.pod perlintern.pod perlirix.pod \
diff --git a/win32/makefile.mk b/win32/makefile.mk
index 42dd49ab9a..17a9f6690a 100644
--- a/win32/makefile.mk
+++ b/win32/makefile.mk
@@ -1334,7 +1334,7 @@ utils: $(PERLEXE) $(X2P)
 	copy ..\README.tw       ..\pod\perltw.pod
 	copy ..\README.vos      ..\pod\perlvos.pod
 	copy ..\README.win32    ..\pod\perlwin32.pod
-	copy ..\pod\perldelta.pod ..\pod\perl51710delta.pod
+	copy ..\pod\perldelta.pod ..\pod\perl51711delta.pod
 	$(PERLEXE) $(PL2BAT) $(UTILS)
 	$(PERLEXE) $(ICWD) ..\autodoc.pl ..
 	$(PERLEXE) $(ICWD) ..\pod\perlmodlib.pl -q
@@ -1426,7 +1426,7 @@ distclean: realclean
 	-if exist $(LIBDIR)\XS rmdir /s /q $(LIBDIR)\XS
 	-if exist $(LIBDIR)\Win32API rmdir /s /q $(LIBDIR)\Win32API
 	-cd $(PODDIR) && del /f *.html *.bat roffitall \
-	    perl51710delta.pod perlaix.pod perlamiga.pod perlapi.pod \
+	    perl51711delta.pod perlaix.pod perlamiga.pod perlapi.pod \
 	    perlbs2000.pod perlce.pod perlcn.pod perlcygwin.pod \
 	    perldgux.pod perldos.pod perlfreebsd.pod perlhaiku.pod \
 	    perlhpux.pod perlhurd.pod perlintern.pod perlirix.pod \
diff --git a/win32/pod.mak b/win32/pod.mak
index f867f6a360..2610cb7bb0 100644
--- a/win32/pod.mak
+++ b/win32/pod.mak
@@ -35,6 +35,7 @@ POD = perl.pod	\
 	perl5163delta.pod	\
 	perl5170delta.pod	\
 	perl51710delta.pod	\
+	perl51711delta.pod	\
 	perl5171delta.pod	\
 	perl5172delta.pod	\
 	perl5173delta.pod	\
@@ -170,6 +171,7 @@ MAN = perl.man	\
 	perl5163delta.man	\
 	perl5170delta.man	\
 	perl51710delta.man	\
+	perl51711delta.man	\
 	perl5171delta.man	\
 	perl5172delta.man	\
 	perl5173delta.man	\
@@ -305,6 +307,7 @@ HTML = perl.html	\
 	perl5163delta.html	\
 	perl5170delta.html	\
 	perl51710delta.html	\
+	perl51711delta.html	\
 	perl5171delta.html	\
 	perl5172delta.html	\
 	perl5173delta.html	\
@@ -440,6 +443,7 @@ TEX = perl.tex	\
 	perl5163delta.tex	\
 	perl5170delta.tex	\
 	perl51710delta.tex	\
+	perl51711delta.tex	\
 	perl5171delta.tex	\
 	perl5172delta.tex	\
 	perl5173delta.tex	\