In perl.git, the branch blead has been updated

<https://perl5.git.perl.org/perl.git/commitdiff/2dd743bd3bdcfb2f8fd1e33369d14798c7c3a87d?hp=2c0ca64e3a82f770187e49cdf9aea58a65b49dbe>

- Log -----------------------------------------------------------------
commit 2dd743bd3bdcfb2f8fd1e33369d14798c7c3a87d
Merge: 02284d245d 2c0ca64e3a
Author: Sawyer X <[email protected]>
Date:   Sat May 25 01:18:57 2019 +0300

    Resolve merge conflict

commit 02284d245d49589ddcd6eb5dc8c3eb17a327ccfa
Author: Sawyer X <[email protected]>
Date:   Sat May 25 01:06:41 2019 +0300

    Bump Module::CoreList

commit f61895d86cadbacd4040b7a2dccb1c1b95396239
Author: Sawyer X <[email protected]>
Date:   Sat May 25 00:58:31 2019 +0300

    Bump the perl version in various places for 5.31.1

commit 8424e3686d3ce1d57a0eafdbe7aaedd7b5bb390b
Author: Sawyer X <[email protected]>
Date:   Sat May 25 00:44:00 2019 +0300

    new perldelta for 5.31.1

commit 8583a61b798511d32be6f59b776411c9645319a5
Author: Sawyer X <[email protected]>
Date:   Sat May 25 00:32:42 2019 +0300

    Fix perldelta from 5.30.1 to 5.31.0:
    
    perldelta was accidentally set to 5.30.1 instead of 5.31.0.
    Hopefully this commit should fix it, along with the correction
    of the symlink in pod/.

commit b2cc74ec47a196c4d7a6e441616233607cf5453a
Author: Sawyer X <[email protected]>
Date:   Sat May 25 00:21:18 2019 +0300

    Fix perldelta mistake

commit a2a3f6d55674d083aa07385bb5f529629cd5c4ee
Author: Sawyer X <[email protected]>
Date:   Fri May 24 22:49:37 2019 +0300

    Tick off release

commit 9ac7fdd19a5856277cae70d1cf2f0734f7fe9530
Author: Sawyer X <[email protected]>
Date:   Fri May 24 22:46:18 2019 +0300

    Update epigraph

-----------------------------------------------------------------------

Summary of changes:
 Cross/config.sh-arm-linux                         |  40 +--
 Cross/config.sh-arm-linux-n770                    |  40 +--
 INSTALL                                           |  28 +-
 MANIFEST                                          |   1 +
 META.json                                         |   2 +-
 META.yml                                          |   2 +-
 Makefile.SH                                       |   8 +-
 NetWare/Makefile                                  |   4 +-
 NetWare/config_H.wc                               |  10 +-
 Porting/config.sh                                 |  42 +--
 Porting/config_H                                  |  18 +-
 Porting/epigraphs.pod                             |   7 +
 Porting/perldelta_template.pod                    |   2 +-
 Porting/release_schedule.pod                      |   2 +-
 README.haiku                                      |   4 +-
 README.macosx                                     |   8 +-
 README.os2                                        |   2 +-
 README.vms                                        |   4 +-
 dist/Module-CoreList/Changes                      |   3 +
 dist/Module-CoreList/lib/Module/CoreList.pm       |  23 +-
 dist/Module-CoreList/lib/Module/CoreList/Utils.pm |   7 +
 hints/catamount.sh                                |   4 +-
 lib/B/Op_private.pm                               |   2 +-
 patchlevel.h                                      |   4 +-
 plan9/config.plan9                                |  10 +-
 plan9/config_sh.sample                            |  38 +--
 pod/.gitignore                                    |   2 +-
 pod/perl.pod                                      |   1 +
 pod/{perldelta.pod => perl5310delta.pod}          |   2 +-
 pod/perldelta.pod                                 | 387 +++++++++++++++++++++-
 vms/descrip_mms.template                          |   2 +-
 win32/GNUmakefile                                 |   6 +-
 win32/Makefile                                    |   6 +-
 win32/makefile.mk                                 |   6 +-
 win32/pod.mak                                     |  12 +-
 35 files changed, 577 insertions(+), 162 deletions(-)
 copy pod/{perldelta.pod => perl5310delta.pod} (97%)

diff --git a/Cross/config.sh-arm-linux b/Cross/config.sh-arm-linux
index 654922b8f0..39e3529e3a 100644
--- a/Cross/config.sh-arm-linux
+++ b/Cross/config.sh-arm-linux
@@ -31,12 +31,12 @@ afsroot='/afs'
 alignbytes='4'
 aphostname='/bin/hostname'
 api_revision='5'
-api_subversion='0'
+api_subversion='1'
 api_version='31'
-api_versionstring='5.31.0'
+api_versionstring='5.31.1'
 ar='ar'
-archlib='/usr/lib/perl5/5.31.0/armv4l-linux'
-archlibexp='/usr/lib/perl5/5.31.0/armv4l-linux'
+archlib='/usr/lib/perl5/5.31.1/armv4l-linux'
+archlibexp='/usr/lib/perl5/5.31.1/armv4l-linux'
 archname64=''
 archname='armv4l-linux'
 archobjs=''
@@ -55,7 +55,7 @@ castflags='0'
 cat='cat'
 cc='cc'
 cccdlflags='-fpic'
-ccdlflags='-rdynamic -Wl,-rpath,/usr/lib/perl5/5.31.0/armv4l-linux/CORE'
+ccdlflags='-rdynamic -Wl,-rpath,/usr/lib/perl5/5.31.1/armv4l-linux/CORE'
 ccflags='-fno-strict-aliasing -I/usr/local/include -D_LARGEFILE_SOURCE 
-D_FILE_OFFSET_BITS=64'
 ccflags_uselargefiles='-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64'
 ccname='arm-linux-gcc'
@@ -821,7 +821,7 @@ inc_version_list=' '
 inc_version_list_init='0'
 incpath=''
 inews=''
-installarchlib='./install_me_here/usr/lib/perl5/5.31.0/armv4l-linux'
+installarchlib='./install_me_here/usr/lib/perl5/5.31.1/armv4l-linux'
 installbin='./install_me_here/usr/bin'
 installhtml1dir=''
 installhtml3dir=''
@@ -829,13 +829,13 @@ installman1dir='./install_me_here/usr/share/man/man1'
 installman3dir='./install_me_here/usr/share/man/man3'
 installprefix='./install_me_here/usr'
 installprefixexp='./install_me_here/usr'
-installprivlib='./install_me_here/usr/lib/perl5/5.31.0'
+installprivlib='./install_me_here/usr/lib/perl5/5.31.1'
 installscript='./install_me_here/usr/bin'
-installsitearch='./install_me_here/usr/lib/perl5/site_perl/5.31.0/armv4l-linux'
+installsitearch='./install_me_here/usr/lib/perl5/site_perl/5.31.1/armv4l-linux'
 installsitebin='./install_me_here/usr/bin'
 installsitehtml1dir=''
 installsitehtml3dir=''
-installsitelib='./install_me_here/usr/lib/perl5/site_perl/5.31.0'
+installsitelib='./install_me_here/usr/lib/perl5/site_perl/5.31.1'
 installsiteman1dir='./install_me_here/usr/share/man/man1'
 installsiteman3dir='./install_me_here/usr/share/man/man3'
 installsitescript='./install_me_here/usr/bin'
@@ -969,8 +969,8 @@ pmake=''
 pr=''
 prefix='/usr'
 prefixexp='/usr'
-privlib='/usr/lib/perl5/5.31.0'
-privlibexp='/usr/lib/perl5/5.31.0'
+privlib='/usr/lib/perl5/5.31.1'
+privlibexp='/usr/lib/perl5/5.31.1'
 procselfexe='"/proc/self/exe"'
 prototype='define'
 ptrsize='4'
@@ -1035,17 +1035,17 @@ sig_num='0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 
19 20 21 22 23 24 25 26
 sig_num_init='0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 
18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 
38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 
58, 59, 60, 61, 62, 63, 6, 17, 29, 31, 0'
 sig_size='68'
 signal_t='void'
-sitearch='/usr/lib/perl5/site_perl/5.31.0/armv4l-linux'
-sitearchexp='/usr/lib/perl5/site_perl/5.31.0/armv4l-linux'
+sitearch='/usr/lib/perl5/site_perl/5.31.1/armv4l-linux'
+sitearchexp='/usr/lib/perl5/site_perl/5.31.1/armv4l-linux'
 sitebin='/usr/bin'
 sitebinexp='/usr/bin'
 sitehtml1dir=''
 sitehtml1direxp=''
 sitehtml3dir=''
 sitehtml3direxp=''
-sitelib='/usr/lib/perl5/site_perl/5.31.0'
+sitelib='/usr/lib/perl5/site_perl/5.31.1'
 sitelib_stem='/usr/lib/perl5/site_perl'
-sitelibexp='/usr/lib/perl5/site_perl/5.31.0'
+sitelibexp='/usr/lib/perl5/site_perl/5.31.1'
 siteman1dir='/usr/share/man/man1'
 siteman1direxp='/usr/share/man/man1'
 siteman3dir='/usr/share/man/man3'
@@ -1084,7 +1084,7 @@ stdio_stream_array=''
 strerror_r_proto='0'
 strings='/usr/include/string.h'
 submit=''
-subversion='0'
+subversion='1'
 sysman='/usr/share/man/man1'
 tail=''
 tar=''
@@ -1175,8 +1175,8 @@ vendorprefix=''
 vendorprefixexp=''
 vendorscript=''
 vendorscriptexp=''
-version='5.31.0'
-version_patchlevel_string='version 31 subversion 0'
+version='5.31.1'
+version_patchlevel_string='version 31 subversion 1'
 versiononly='undef'
 vi=''
 xlibpth='/usr/lib/386 /lib/386'
@@ -1190,9 +1190,9 @@ config_args=''
 config_argc=0
 PERL_REVISION=5
 PERL_VERSION=31
-PERL_SUBVERSION=0
+PERL_SUBVERSION=1
 PERL_API_REVISION=5
 PERL_API_VERSION=31
-PERL_API_SUBVERSION=0
+PERL_API_SUBVERSION=1
 PERL_PATCHLEVEL=
 PERL_CONFIG_SH=true
diff --git a/Cross/config.sh-arm-linux-n770 b/Cross/config.sh-arm-linux-n770
index 36ed0c11bc..a3c6d0e5b0 100644
--- a/Cross/config.sh-arm-linux-n770
+++ b/Cross/config.sh-arm-linux-n770
@@ -31,12 +31,12 @@ afsroot='/afs'
 alignbytes='4'
 aphostname='/bin/hostname'
 api_revision='5'
-api_subversion='0'
+api_subversion='1'
 api_version='31'
-api_versionstring='5.31.0'
+api_versionstring='5.31.1'
 ar='ar'
-archlib='/usr/lib/perl5/5.31.0/armv4l-linux'
-archlibexp='/usr/lib/perl5/5.31.0/armv4l-linux'
+archlib='/usr/lib/perl5/5.31.1/armv4l-linux'
+archlibexp='/usr/lib/perl5/5.31.1/armv4l-linux'
 archname64=''
 archname='armv4l-linux'
 archobjs=''
@@ -54,7 +54,7 @@ castflags='0'
 cat='cat'
 cc='arm-none-linux-gnueabi-gcc'
 cccdlflags='-fpic'
-ccdlflags='-rdynamic -Wl,-rpath,/usr/lib/perl5/5.31.0/armv4l-linux/CORE'
+ccdlflags='-rdynamic -Wl,-rpath,/usr/lib/perl5/5.31.1/armv4l-linux/CORE'
 ccflags='-fno-strict-aliasing -I/usr/local/include -D_LARGEFILE_SOURCE 
-D_FILE_OFFSET_BITS=64'
 ccflags_uselargefiles='-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64'
 ccname='arm-linux-gcc'
@@ -819,7 +819,7 @@ inc_version_list=' '
 inc_version_list_init='0'
 incpath=''
 inews=''
-installarchlib='./install_me_here/usr/lib/perl5/5.31.0/armv4l-linux'
+installarchlib='./install_me_here/usr/lib/perl5/5.31.1/armv4l-linux'
 installbin='./install_me_here/usr/bin'
 installhtml1dir=''
 installhtml3dir=''
@@ -827,13 +827,13 @@ installman1dir='./install_me_here/usr/share/man/man1'
 installman3dir='./install_me_here/usr/share/man/man3'
 installprefix='./install_me_here/usr'
 installprefixexp='./install_me_here/usr'
-installprivlib='./install_me_here/usr/lib/perl5/5.31.0'
+installprivlib='./install_me_here/usr/lib/perl5/5.31.1'
 installscript='./install_me_here/usr/bin'
-installsitearch='./install_me_here/usr/lib/perl5/site_perl/5.31.0/armv4l-linux'
+installsitearch='./install_me_here/usr/lib/perl5/site_perl/5.31.1/armv4l-linux'
 installsitebin='./install_me_here/usr/bin'
 installsitehtml1dir=''
 installsitehtml3dir=''
-installsitelib='./install_me_here/usr/lib/perl5/site_perl/5.31.0'
+installsitelib='./install_me_here/usr/lib/perl5/site_perl/5.31.1'
 installsiteman1dir='./install_me_here/usr/share/man/man1'
 installsiteman3dir='./install_me_here/usr/share/man/man3'
 installsitescript='./install_me_here/usr/bin'
@@ -967,8 +967,8 @@ pmake=''
 pr=''
 prefix='/usr'
 prefixexp='/usr'
-privlib='/usr/lib/perl5/5.31.0'
-privlibexp='/usr/lib/perl5/5.31.0'
+privlib='/usr/lib/perl5/5.31.1'
+privlibexp='/usr/lib/perl5/5.31.1'
 procselfexe='"/proc/self/exe"'
 prototype='define'
 ptrsize='4'
@@ -1033,17 +1033,17 @@ sig_num='0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 
19 20 21 22 23 24 25 26
 sig_num_init='0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 
18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 
38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 
58, 59, 60, 61, 62, 63, 6, 17, 29, 31, 0'
 sig_size='68'
 signal_t='void'
-sitearch='/usr/lib/perl5/site_perl/5.31.0/armv4l-linux'
-sitearchexp='/usr/lib/perl5/site_perl/5.31.0/armv4l-linux'
+sitearch='/usr/lib/perl5/site_perl/5.31.1/armv4l-linux'
+sitearchexp='/usr/lib/perl5/site_perl/5.31.1/armv4l-linux'
 sitebin='/usr/bin'
 sitebinexp='/usr/bin'
 sitehtml1dir=''
 sitehtml1direxp=''
 sitehtml3dir=''
 sitehtml3direxp=''
-sitelib='/usr/lib/perl5/site_perl/5.31.0'
+sitelib='/usr/lib/perl5/site_perl/5.31.1'
 sitelib_stem='/usr/lib/perl5/site_perl'
-sitelibexp='/usr/lib/perl5/site_perl/5.31.0'
+sitelibexp='/usr/lib/perl5/site_perl/5.31.1'
 siteman1dir='/usr/share/man/man1'
 siteman1direxp='/usr/share/man/man1'
 siteman3dir='/usr/share/man/man3'
@@ -1082,7 +1082,7 @@ stdio_stream_array=''
 strerror_r_proto='0'
 strings='/usr/include/string.h'
 submit=''
-subversion='0'
+subversion='1'
 sysman='/usr/share/man/man1'
 tail=''
 tar=''
@@ -1173,8 +1173,8 @@ vendorprefix=''
 vendorprefixexp=''
 vendorscript=''
 vendorscriptexp=''
-version='5.31.0'
-version_patchlevel_string='version 31 subversion 0'
+version='5.31.1'
+version_patchlevel_string='version 31 subversion 1'
 versiononly='undef'
 vi=''
 xlibpth='/usr/lib/386 /lib/386'
@@ -1188,9 +1188,9 @@ config_args=''
 config_argc=0
 PERL_REVISION=5
 PERL_VERSION=31
-PERL_SUBVERSION=0
+PERL_SUBVERSION=1
 PERL_API_REVISION=5
 PERL_API_VERSION=31
-PERL_API_SUBVERSION=0
+PERL_API_SUBVERSION=1
 PERL_PATCHLEVEL=
 PERL_CONFIG_SH=true
diff --git a/INSTALL b/INSTALL
index 3c394195d5..b9712e8fa9 100644
--- a/INSTALL
+++ b/INSTALL
@@ -609,7 +609,7 @@ The directories set up by Configure fall into three broad 
categories.
 
 =item Directories for the perl distribution
 
-By default, Configure will use the following directories for 5.31.0.
+By default, Configure will use the following directories for 5.31.1.
 $version is the full perl version number, including subversion, e.g.
 5.12.3, and $archname is a string like sun4-sunos,
 determined by Configure.  The full definitions of all Configure
@@ -2440,7 +2440,7 @@ http://www.chiark.greenend.org.uk/~sgtatham/bugs.html
 
 =head1 Coexistence with earlier versions of perl 5
 
-Perl 5.31.0 is not binary compatible with earlier versions of Perl.
+Perl 5.31.1 is not binary compatible with earlier versions of Perl.
 In other words, you will have to recompile your XS modules.
 
 In general, you can usually safely upgrade from one version of Perl
@@ -2515,9 +2515,9 @@ won't interfere with another version.  (The defaults 
guarantee this for
 libraries after 5.6.0, but not for executables. TODO?)  One convenient
 way to do this is by using a separate prefix for each version, such as
 
-       sh Configure -Dprefix=/opt/perl5.31.0
+       sh Configure -Dprefix=/opt/perl5.31.1
 
-and adding /opt/perl5.31.0/bin to the shell PATH variable.  Such users
+and adding /opt/perl5.31.1/bin to the shell PATH variable.  Such users
 may also wish to add a symbolic link /usr/local/bin/perl so that
 scripts can still start with #!/usr/local/bin/perl.
 
@@ -2532,11 +2532,11 @@ yet.
 
 =head2 Upgrading from 5.28.0 or earlier
 
-B<Perl 5.31.0 may not be binary compatible with Perl 5.28.0 or
+B<Perl 5.31.1 may not be binary compatible with Perl 5.28.0 or
 earlier Perl releases.>  Perl modules having binary parts
 (meaning that a C compiler is used) will have to be recompiled to be
-used with 5.31.0.  If you find you do need to rebuild an extension with
-5.31.0, you may safely do so without disturbing the older
+used with 5.31.1.  If you find you do need to rebuild an extension with
+5.31.1, you may safely do so without disturbing the older
 installations.  (See L<"Coexistence with earlier versions of perl 5">
 above.)
 
@@ -2569,15 +2569,15 @@ Firstly, the bare minimum to run this script
      print("$f\n");
   }
 
-in Linux with perl-5.31.0 is as follows (under $Config{prefix}):
+in Linux with perl-5.31.1 is as follows (under $Config{prefix}):
 
   ./bin/perl
-  ./lib/perl5/5.31.0/strict.pm
-  ./lib/perl5/5.31.0/warnings.pm
-  ./lib/perl5/5.31.0/i686-linux/File/Glob.pm
-  ./lib/perl5/5.31.0/feature.pm
-  ./lib/perl5/5.31.0/XSLoader.pm
-  ./lib/perl5/5.31.0/i686-linux/auto/File/Glob/Glob.so
+  ./lib/perl5/5.31.1/strict.pm
+  ./lib/perl5/5.31.1/warnings.pm
+  ./lib/perl5/5.31.1/i686-linux/File/Glob.pm
+  ./lib/perl5/5.31.1/feature.pm
+  ./lib/perl5/5.31.1/XSLoader.pm
+  ./lib/perl5/5.31.1/i686-linux/auto/File/Glob/Glob.so
 
 Secondly, for perl-5.10.1, the Debian perl-base package contains 591
 files, (of which 510 are for lib/unicore) totaling about 3.5MB in its
diff --git a/MANIFEST b/MANIFEST
index 5ef609b4c0..de891fc8ff 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -5030,6 +5030,7 @@ pod/perl5280delta.pod             Perl changes in version 
5.28.0
 pod/perl5281delta.pod          Perl changes in version 5.28.1
 pod/perl5282delta.pod          Perl changes in version 5.28.2
 pod/perl5300delta.pod          Perl changes in version 5.30.0
+pod/perl5310delta.pod          Perl changes in version 5.31.0
 pod/perl561delta.pod           Perl changes in version 5.6.1
 pod/perl56delta.pod            Perl changes in version 5.6
 pod/perl581delta.pod           Perl changes in version 5.8.1
diff --git a/META.json b/META.json
index 17cc415266..6cf03cc2ca 100644
--- a/META.json
+++ b/META.json
@@ -127,6 +127,6 @@
          "url" : "http://perl5.git.perl.org/";
       }
    },
-   "version" : "5.031000",
+   "version" : "5.031001",
    "x_serialization_backend" : "JSON::PP version 4.02"
 }
diff --git a/META.yml b/META.yml
index 9def25c817..36aee099aa 100644
--- a/META.yml
+++ b/META.yml
@@ -114,5 +114,5 @@ resources:
   homepage: http://www.perl.org/
   license: http://dev.perl.org/licenses/
   repository: http://perl5.git.perl.org/
-version: '5.031000'
+version: '5.031001'
 x_serialization_backend: 'CPAN::Meta::YAML version 0.018'
diff --git a/Makefile.SH b/Makefile.SH
index b8491f87f1..dd5b25d0bb 100755
--- a/Makefile.SH
+++ b/Makefile.SH
@@ -586,7 +586,7 @@ esac
 
 $spitshell >>$Makefile <<'!NO!SUBS!'
 
-perltoc_pod_prereqs = extra.pods pod/perl5301delta.pod pod/perlapi.pod 
pod/perlintern.pod pod/perlmodlib.pod pod/perluniprops.pod
+perltoc_pod_prereqs = extra.pods pod/perl5311delta.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
 
@@ -1150,9 +1150,9 @@ pod/perlintern.pod: $(MINIPERL_EXE) autodoc.pl embed.fnc
 pod/perlmodlib.pod: $(MINIPERL_EXE) pod/perlmodlib.PL MANIFEST
        $(MINIPERL) pod/perlmodlib.PL -q
 
-pod/perl5301delta.pod: pod/perldelta.pod
-       $(RMS) pod/perl5301delta.pod
-       $(LNS) perldelta.pod pod/perl5301delta.pod
+pod/perl5311delta.pod: pod/perldelta.pod
+       $(RMS) pod/perl5311delta.pod
+       $(LNS) perldelta.pod pod/perl5311delta.pod
 
 extra.pods: $(MINIPERL_EXE)
        -@test ! -f extra.pods || rm -f `cat extra.pods`
diff --git a/NetWare/Makefile b/NetWare/Makefile
index d6130e241f..716004bd8e 100644
--- a/NetWare/Makefile
+++ b/NetWare/Makefile
@@ -86,7 +86,7 @@ NLM_VERSION    = 3,20,0
 
 
 # Here comes the CW tools - TO BE FILLED TO BUILD WITH CW -
-MODULE_DESC     = "Perl 5.31.0 for NetWare"
+MODULE_DESC     = "Perl 5.31.1 for NetWare"
 CCTYPE          = CodeWarrior
 C_COMPILER             = mwccnlm -c
 CPP_COMPILER   = mwccnlm
@@ -462,7 +462,7 @@ INST_NW_TOP2 = $(INST_NW_DRV)\perl
 # versioned installation can be obtained by setting INST_TOP above to a
 # path that includes an arbitrary version string.
 #
-INST_VER       = \5.31.0
+INST_VER       = \5.31.1
 
 #
 # Comment this out if you DON'T want your perl installation to have
diff --git a/NetWare/config_H.wc b/NetWare/config_H.wc
index 53b374c9b2..406d8da302 100644
--- a/NetWare/config_H.wc
+++ b/NetWare/config_H.wc
@@ -887,7 +887,7 @@
  *     This symbol contains the ~name expanded version of ARCHLIB, to be used
  *     in programs that are not prepared to deal with ~ expansion at run-time.
  */
-#define ARCHLIB "c:\\perl\\5.31.0\\lib\\NetWare-x86-multi-thread"              
/**/
+#define ARCHLIB "c:\\perl\\5.31.1\\lib\\NetWare-x86-multi-thread"              
/**/
 /*#define ARCHLIB_EXP ""       /**/
 
 /* ARCHNAME:
@@ -918,8 +918,8 @@
  *     This symbol is the filename expanded version of the BIN symbol, for
  *     programs that do not want to deal with that at run-time.
  */
-#define BIN "c:\\perl\\5.31.0\\bin\\NetWare-x86-multi-thread"  /**/
-#define BIN_EXP "c:\\perl\\5.31.0\\bin\\NetWare-x86-multi-thread"      /**/
+#define BIN "c:\\perl\\5.31.1\\bin\\NetWare-x86-multi-thread"  /**/
+#define BIN_EXP "c:\\perl\\5.31.1\\bin\\NetWare-x86-multi-thread"      /**/
 
 /* BYTEORDER:
  *     This symbol holds the hexadecimal constant defined in byteorder,
@@ -2878,7 +2878,7 @@
  *     This symbol contains the ~name expanded version of SITEARCH, to be used
  *     in programs that are not prepared to deal with ~ expansion at run-time.
  */
-#define SITEARCH "c:\\perl\\site\\5.31.0\\lib\\NetWare-x86-multi-thread"       
        /**/
+#define SITEARCH "c:\\perl\\site\\5.31.1\\lib\\NetWare-x86-multi-thread"       
        /**/
 /*#define SITEARCH_EXP ""      /**/
 
 /* SITELIB:
@@ -2901,7 +2901,7 @@
  *     removed.  The elements in inc_version_list (inc_version_list.U) can
  *     be tacked onto this variable to generate a list of directories to 
search.
  */
-#define SITELIB "c:\\perl\\site\\5.31.0\\lib"          /**/
+#define SITELIB "c:\\perl\\site\\5.31.1\\lib"          /**/
 /*#define SITELIB_EXP ""       /**/
 #define SITELIB_STEM ""                /**/
 
diff --git a/Porting/config.sh b/Porting/config.sh
index 3c6d1ac619..6d6a5b082c 100644
--- a/Porting/config.sh
+++ b/Porting/config.sh
@@ -44,12 +44,12 @@ afsroot='/afs'
 alignbytes='8'
 aphostname=''
 api_revision='5'
-api_subversion='0'
+api_subversion='1'
 api_version='31'
-api_versionstring='5.31.0'
+api_versionstring='5.31.1'
 ar='ar'
-archlib='/opt/perl/lib/5.31.0/x86_64-linux'
-archlibexp='/opt/perl/lib/5.31.0/x86_64-linux'
+archlib='/opt/perl/lib/5.31.1/x86_64-linux'
+archlibexp='/opt/perl/lib/5.31.1/x86_64-linux'
 archname64=''
 archname='x86_64-linux'
 archobjs=''
@@ -845,7 +845,7 @@ incpath=''
 incpth='/usr/lib/gcc/x86_64-linux-gnu/4.9/include /usr/local/include 
/usr/lib/gcc/x86_64-linux-gnu/4.9/include-fixed /usr/include/x86_64-linux-gnu 
/usr/include'
 inews=''
 initialinstalllocation='/opt/perl/bin'
-installarchlib='/opt/perl/lib/5.31.0/x86_64-linux'
+installarchlib='/opt/perl/lib/5.31.1/x86_64-linux'
 installbin='/opt/perl/bin'
 installhtml1dir=''
 installhtml3dir=''
@@ -853,13 +853,13 @@ installman1dir='/opt/perl/man/man1'
 installman3dir='/opt/perl/man/man3'
 installprefix='/opt/perl'
 installprefixexp='/opt/perl'
-installprivlib='/opt/perl/lib/5.31.0'
+installprivlib='/opt/perl/lib/5.31.1'
 installscript='/opt/perl/bin'
-installsitearch='/opt/perl/lib/site_perl/5.31.0/x86_64-linux'
+installsitearch='/opt/perl/lib/site_perl/5.31.1/x86_64-linux'
 installsitebin='/opt/perl/bin'
 installsitehtml1dir=''
 installsitehtml3dir=''
-installsitelib='/opt/perl/lib/site_perl/5.31.0'
+installsitelib='/opt/perl/lib/site_perl/5.31.1'
 installsiteman1dir='/opt/perl/man/man1'
 installsiteman3dir='/opt/perl/man/man3'
 installsitescript='/opt/perl/bin'
@@ -984,7 +984,7 @@ perl_patchlevel=''
 perl_static_inline='static __inline__'
 perladmin='[email protected]'
 perllibs='-lpthread -lnsl -ldl -lm -lcrypt -lutil -lc'
-perlpath='/opt/perl/bin/perl5.31.0'
+perlpath='/opt/perl/bin/perl5.31.1'
 pg='pg'
 phostname=''
 pidtype='pid_t'
@@ -993,8 +993,8 @@ pmake=''
 pr=''
 prefix='/opt/perl'
 prefixexp='/opt/perl'
-privlib='/opt/perl/lib/5.31.0'
-privlibexp='/opt/perl/lib/5.31.0'
+privlib='/opt/perl/lib/5.31.1'
+privlibexp='/opt/perl/lib/5.31.1'
 procselfexe='"/proc/self/exe"'
 ptrsize='8'
 quadkind='2'
@@ -1059,17 +1059,17 @@ sig_num='0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 
19 20 21 22 23 24 25 26
 sig_num_init='0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 
18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 
38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 
58, 59, 60, 61, 62, 63, 64, 6, 17, 29, 31, 0'
 sig_size='69'
 signal_t='void'
-sitearch='/opt/perl/lib/site_perl/5.31.0/x86_64-linux'
-sitearchexp='/opt/perl/lib/site_perl/5.31.0/x86_64-linux'
+sitearch='/opt/perl/lib/site_perl/5.31.1/x86_64-linux'
+sitearchexp='/opt/perl/lib/site_perl/5.31.1/x86_64-linux'
 sitebin='/opt/perl/bin'
 sitebinexp='/opt/perl/bin'
 sitehtml1dir=''
 sitehtml1direxp=''
 sitehtml3dir=''
 sitehtml3direxp=''
-sitelib='/opt/perl/lib/site_perl/5.31.0'
+sitelib='/opt/perl/lib/site_perl/5.31.1'
 sitelib_stem='/opt/perl/lib/site_perl'
-sitelibexp='/opt/perl/lib/site_perl/5.31.0'
+sitelibexp='/opt/perl/lib/site_perl/5.31.1'
 siteman1dir='/opt/perl/man/man1'
 siteman1direxp='/opt/perl/man/man1'
 siteman3dir='/opt/perl/man/man3'
@@ -1095,7 +1095,7 @@ src='.'
 ssizetype='ssize_t'
 st_ino_sign='1'
 st_ino_size='8'
-startperl='#!/opt/perl/bin/perl5.31.0'
+startperl='#!/opt/perl/bin/perl5.31.1'
 startsh='#!/bin/sh'
 static_ext=' '
 stdchar='char'
@@ -1107,7 +1107,7 @@ stdio_ptr='((fp)->_IO_read_ptr)'
 stdio_stream_array=''
 strerror_r_proto='0'
 submit=''
-subversion='0'
+subversion='1'
 sysman='/usr/share/man/man1'
 sysroot=''
 tail=''
@@ -1205,8 +1205,8 @@ vendorprefix=''
 vendorprefixexp=''
 vendorscript=''
 vendorscriptexp=''
-version='5.31.0'
-version_patchlevel_string='version 31 subversion 0'
+version='5.31.1'
+version_patchlevel_string='version 31 subversion 1'
 versiononly='define'
 vi=''
 xlibpth='/usr/lib/386 /lib/386'
@@ -1216,10 +1216,10 @@ zcat=''
 zip='zip'
 PERL_REVISION=5
 PERL_VERSION=31
-PERL_SUBVERSION=0
+PERL_SUBVERSION=1
 PERL_API_REVISION=5
 PERL_API_VERSION=31
-PERL_API_SUBVERSION=0
+PERL_API_SUBVERSION=1
 PERL_PATCHLEVEL=''
 PERL_CONFIG_SH=true
 : Variables propagated from previous config.sh file.
diff --git a/Porting/config_H b/Porting/config_H
index 8194ca2723..5d6fdae57e 100644
--- a/Porting/config_H
+++ b/Porting/config_H
@@ -1239,8 +1239,8 @@
  *     This symbol contains the ~name expanded version of ARCHLIB, to be used
  *     in programs that are not prepared to deal with ~ expansion at run-time.
  */
-#define ARCHLIB "/opt/perl/lib/5.31.0/x86_64-linux"            /**/
-#define ARCHLIB_EXP "/opt/perl/lib/5.31.0/x86_64-linux"                /**/
+#define ARCHLIB "/opt/perl/lib/5.31.1/x86_64-linux"            /**/
+#define ARCHLIB_EXP "/opt/perl/lib/5.31.1/x86_64-linux"                /**/
 
 /* BIN:
  *     This symbol holds the path of the bin directory where the package will
@@ -1293,8 +1293,8 @@
  *     This symbol contains the ~name expanded version of PRIVLIB, to be used
  *     in programs that are not prepared to deal with ~ expansion at run-time.
  */
-#define PRIVLIB "/opt/perl/lib/5.31.0"         /**/
-#define PRIVLIB_EXP "/opt/perl/lib/5.31.0"             /**/
+#define PRIVLIB "/opt/perl/lib/5.31.1"         /**/
+#define PRIVLIB_EXP "/opt/perl/lib/5.31.1"             /**/
 
 /* SITEARCH:
  *     This symbol contains the name of the private library for this package.
@@ -1311,8 +1311,8 @@
  *     This symbol contains the ~name expanded version of SITEARCH, to be used
  *     in programs that are not prepared to deal with ~ expansion at run-time.
  */
-#define SITEARCH "/opt/perl/lib/site_perl/5.31.0/x86_64-linux"         /**/
-#define SITEARCH_EXP "/opt/perl/lib/site_perl/5.31.0/x86_64-linux"             
/**/
+#define SITEARCH "/opt/perl/lib/site_perl/5.31.1/x86_64-linux"         /**/
+#define SITEARCH_EXP "/opt/perl/lib/site_perl/5.31.1/x86_64-linux"             
/**/
 
 /* SITELIB:
  *     This symbol contains the name of the private library for this package.
@@ -1334,8 +1334,8 @@
  *     removed.  The elements in inc_version_list (inc_version_list.U) can
  *     be tacked onto this variable to generate a list of directories to 
search.
  */
-#define SITELIB "/opt/perl/lib/site_perl/5.31.0"               /**/
-#define SITELIB_EXP "/opt/perl/lib/site_perl/5.31.0"           /**/
+#define SITELIB "/opt/perl/lib/site_perl/5.31.1"               /**/
+#define SITELIB_EXP "/opt/perl/lib/site_perl/5.31.1"           /**/
 #define SITELIB_STEM "/opt/perl/lib/site_perl"         /**/
 
 /* PERL_VENDORARCH:
@@ -4109,7 +4109,7 @@
  *     script to make sure (one hopes) that it runs with perl and not
  *     some shell.
  */
-#define STARTPERL "#!/opt/perl/bin/perl5.31.0"         /**/
+#define STARTPERL "#!/opt/perl/bin/perl5.31.1"         /**/
 
 /* HAS_STDIO_STREAM_ARRAY:
  *     This symbol, if defined, tells that there is an array
diff --git a/Porting/epigraphs.pod b/Porting/epigraphs.pod
index e59a423706..c7eabf72d1 100644
--- a/Porting/epigraphs.pod
+++ b/Porting/epigraphs.pod
@@ -17,6 +17,13 @@ Consult your favorite dictionary for details.
 
 =head1 EPIGRAPHS
 
+=head2 v5.31.0 - Fumiko Enchi, Masks
+
+Announced on 2019-05-22 by Sawyer X
+
+  The secrets inside her mind are like flowers in a garden at
+  nighttime, filling the darkness with perfume.
+
 =head2 v5.30.0 - Morihei Ueshiba
 
 Announced on 2019-05-22 by Sawyer X
diff --git a/Porting/perldelta_template.pod b/Porting/perldelta_template.pod
index dcb8e06038..404b620d07 100644
--- a/Porting/perldelta_template.pod
+++ b/Porting/perldelta_template.pod
@@ -403,7 +403,7 @@ died, add a short obituary here.
 
 XXX Generate this with:
 
-  perl Porting/acknowledgements.pl v5.31.0..HEAD
+  perl Porting/acknowledgements.pl v5.31.1..HEAD
 
 =head1 Reporting Bugs
 
diff --git a/Porting/release_schedule.pod b/Porting/release_schedule.pod
index 06cee20d78..1183a5e5e3 100644
--- a/Porting/release_schedule.pod
+++ b/Porting/release_schedule.pod
@@ -56,7 +56,7 @@ you should reset the version numbers to the next blead series.
 
 =head2 Perl 5.31
 
-  2019-05-23  5.31.0         Sawyer X
+  2019-05-23  5.31.0 ✓       Sawyer X
   2019-06-20  5.31.1
   2019-07-20  5.31.2
   2019-08-20  5.31.3
diff --git a/README.haiku b/README.haiku
index fb6c7cca79..fbab79780b 100644
--- a/README.haiku
+++ b/README.haiku
@@ -22,9 +22,9 @@ The build procedure is completely standard:
 Make perl executable and create a symlink for libperl:
 
   chmod a+x /boot/common/bin/perl
-  cd /boot/common/lib; ln -s perl5/5.31.0/BePC-haiku/CORE/libperl.so .
+  cd /boot/common/lib; ln -s perl5/5.31.1/BePC-haiku/CORE/libperl.so .
 
-Replace C<5.31.0> with your respective version of Perl.
+Replace C<5.31.1> with your respective version of Perl.
 
 =head1 KNOWN PROBLEMS
 
diff --git a/README.macosx b/README.macosx
index 42dd320cb4..029d5e1e4a 100644
--- a/README.macosx
+++ b/README.macosx
@@ -10,9 +10,9 @@ perlmacosx - Perl under Mac OS X
 
 This document briefly describes Perl under Mac OS X.
 
-  curl -O http://www.cpan.org/src/perl-5.31.0.tar.gz
-  tar -xzf perl-5.31.0.tar.gz
-  cd perl-5.31.0
+  curl -O http://www.cpan.org/src/perl-5.31.1.tar.gz
+  tar -xzf perl-5.31.1.tar.gz
+  cd perl-5.31.1
   ./Configure -des -Dprefix=/usr/local/
   make
   make test
@@ -20,7 +20,7 @@ This document briefly describes Perl under Mac OS X.
 
 =head1 DESCRIPTION
 
-The latest Perl release (5.31.0 as of this writing) builds without changes
+The latest Perl release (5.31.1 as of this writing) builds without changes
 under all versions of Mac OS X from 10.3 "Panther" onwards. 
 
 In order to build your own version of Perl you will need 'make',
diff --git a/README.os2 b/README.os2
index 2daaaec66c..d3899609f3 100644
--- a/README.os2
+++ b/README.os2
@@ -619,7 +619,7 @@ C<set PERLLIB_PREFIX> in F<Config.sys>, see 
L</"C<PERLLIB_PREFIX>">.
 
 =item Additional Perl modules
 
-  unzip perl_ste.zip -d f:/perllib/lib/site_perl/5.31.0/
+  unzip perl_ste.zip -d f:/perllib/lib/site_perl/5.31.1/
 
 Same remark as above applies.  Additionally, if this directory is not
 one of directories on @INC (and @INC is influenced by C<PERLLIB_PREFIX>), you
diff --git a/README.vms b/README.vms
index cb746c60df..c3f29c3709 100644
--- a/README.vms
+++ b/README.vms
@@ -142,11 +142,11 @@ You may need to set up a foreign symbol for the unpacking 
utility of
 choice.  Once you have done so, use a command like the following to
 unpack the archive:
 
-    vmstar -xvf perl-5^.31^.0.tar
+    vmstar -xvf perl-5^.31^.1.tar
 
 Then set default to the top-level source directory like so:
 
-    set default [.perl-5^.31^.0]
+    set default [.perl-5^.31^.1]
 
 and proceed with configuration as described in the next section.
 
diff --git a/dist/Module-CoreList/Changes b/dist/Module-CoreList/Changes
index 7e7e22761f..37c4494fae 100644
--- a/dist/Module-CoreList/Changes
+++ b/dist/Module-CoreList/Changes
@@ -1,3 +1,6 @@
+5.20190620
+  - Updated for v5.31.1
+
 5.20190524
   - Updated for v5.31.0
 
diff --git a/dist/Module-CoreList/lib/Module/CoreList.pm 
b/dist/Module-CoreList/lib/Module/CoreList.pm
index 8054627ec2..997475e7aa 100644
--- a/dist/Module-CoreList/lib/Module/CoreList.pm
+++ b/dist/Module-CoreList/lib/Module/CoreList.pm
@@ -350,6 +350,7 @@ sub changes_between {
     5.029010 => '2019-04-20',
     5.030000 => '2019-05-22',
     5.031000 => '2019-05-24',
+    5.031001 => '2019-06-20',
   );
 
 for my $version ( sort { $a <=> $b } keys %released ) {
@@ -16330,6 +16331,19 @@ for my $version ( sort { $a <=> $b } keys %released ) {
         removed => {
         }
     },
+    5.031001 => {
+        delta_from => 5.03,
+        changed => {
+            'B::Op_private'         => '5.031001',
+            'Config'                => '5.031001',
+            'Module::CoreList'      => '5.20190524',
+            'Module::CoreList::Utils'=> '5.20190524',
+            'Socket'                => '2.029',
+            'feature'               => '1.55',
+        },
+        removed => {
+        }
+    },
 );
 
 sub is_core
@@ -17339,6 +17353,13 @@ sub is_core
         removed => {
         }
     },
+    5.031001 => {
+        delta_from => 5.031000,
+        changed => {
+        },
+        removed => {
+        }
+    },
 );
 
 %deprecated = _undelta(\%deprecated);
@@ -17592,7 +17613,6 @@ sub is_core
     'Pod::Simple::HTML'     => 'cpan',
     'Pod::Simple::HTMLBatch'=> 'cpan',
     'Pod::Simple::HTMLLegacy'=> 'cpan',
-    'Pod::Simple::JustPod'  => 'cpan',
     'Pod::Simple::LinkSection'=> 'cpan',
     'Pod::Simple::Methody'  => 'cpan',
     'Pod::Simple::Progress' => 'cpan',
@@ -18020,7 +18040,6 @@ sub is_core
     'Pod::Simple::HTML'     => 'https://github.com/perl-pod/pod-simple/issues',
     'Pod::Simple::HTMLBatch'=> 'https://github.com/perl-pod/pod-simple/issues',
     'Pod::Simple::HTMLLegacy'=> 
'https://github.com/perl-pod/pod-simple/issues',
-    'Pod::Simple::JustPod'  => 'https://github.com/perl-pod/pod-simple/issues',
     'Pod::Simple::LinkSection'=> 
'https://github.com/perl-pod/pod-simple/issues',
     'Pod::Simple::Methody'  => 'https://github.com/perl-pod/pod-simple/issues',
     'Pod::Simple::Progress' => 'https://github.com/perl-pod/pod-simple/issues',
diff --git a/dist/Module-CoreList/lib/Module/CoreList/Utils.pm 
b/dist/Module-CoreList/lib/Module/CoreList/Utils.pm
index 5c8b8b1efc..d43c2af2ec 100644
--- a/dist/Module-CoreList/lib/Module/CoreList/Utils.pm
+++ b/dist/Module-CoreList/lib/Module/CoreList/Utils.pm
@@ -1508,6 +1508,13 @@ my %delta = (
         removed => {
         }
     },
+    5.031001 => {
+        delta_from => 5.031,
+        changed => {
+        },
+        removed => {
+        }
+    },
 );
 
 %utilities = Module::CoreList::_undelta(\%delta);
diff --git a/hints/catamount.sh b/hints/catamount.sh
index c316d07fb0..33403e5f19 100644
--- a/hints/catamount.sh
+++ b/hints/catamount.sh
@@ -31,11 +31,11 @@
 # mkdir -p /opt/perl-catamount
 # mkdir -p /opt/perl-catamount/include
 # mkdir -p /opt/perl-catamount/lib
-# mkdir -p /opt/perl-catamount/lib/perl5/5.31.0
+# mkdir -p /opt/perl-catamount/lib/perl5/5.31.1
 # mkdir -p /opt/perl-catamount/bin
 # cp *.h /opt/perl-catamount/include
 # cp libperl.a /opt/perl-catamount/lib
-# cp -pr lib/* /opt/perl-catamount/lib/perl5/5.31.0
+# cp -pr lib/* /opt/perl-catamount/lib/perl5/5.31.1
 # cp miniperl perl run.sh cc.sh /opt/perl-catamount/lib
 #
 # With the headers and the libperl.a you can embed Perl to your Catamount
diff --git a/lib/B/Op_private.pm b/lib/B/Op_private.pm
index c8c1b1549d..34ca1a7de8 100644
--- a/lib/B/Op_private.pm
+++ b/lib/B/Op_private.pm
@@ -118,7 +118,7 @@ package B::Op_private;
 our %bits;
 
 
-our $VERSION = "5.031000";
+our $VERSION = "5.031001";
 
 $bits{$_}{3} = 'OPpENTERSUB_AMPER' for qw(entersub rv2cv);
 $bits{$_}{6} = 'OPpENTERSUB_DB' for qw(entersub rv2cv);
diff --git a/patchlevel.h b/patchlevel.h
index 9b3e98ca8c..8f5949b42e 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -15,7 +15,7 @@
 
 #define PERL_REVISION  5               /* age */
 #define PERL_VERSION   31              /* epoch */
-#define PERL_SUBVERSION        0               /* generation */
+#define PERL_SUBVERSION        1               /* generation */
 
 /* The following numbers describe the earliest compatible version of
    Perl ("compatibility" here being defined as sufficient binary/API
@@ -36,7 +36,7 @@
 */
 #define PERL_API_REVISION      5
 #define PERL_API_VERSION       31
-#define PERL_API_SUBVERSION    0
+#define PERL_API_SUBVERSION    1
 /*
    XXX Note:  The selection of non-default Configure options, such
    as -Duselonglong may invalidate these settings.  Currently, Configure
diff --git a/plan9/config.plan9 b/plan9/config.plan9
index e576998d62..15e2d3ea48 100644
--- a/plan9/config.plan9
+++ b/plan9/config.plan9
@@ -3131,8 +3131,8 @@
  *     This symbol contains the ~name expanded version of PRIVLIB, to be used
  *     in programs that are not prepared to deal with ~ expansion at run-time.
  */
-#define PRIVLIB "/sys/lib/perl/5.31.0"         /**/
-#define PRIVLIB_EXP "/sys/lib/perl/5.31.0"             /**/
+#define PRIVLIB "/sys/lib/perl/5.31.1"         /**/
+#define PRIVLIB_EXP "/sys/lib/perl/5.31.1"             /**/
 
 /* PTRSIZE:
  *     This symbol contains the size of a pointer, so that the C preprocessor
@@ -3259,9 +3259,9 @@
  *     removed.  The elements in inc_version_list (inc_version_list.U) can
  *     be tacked onto this variable to generate a list of directories to 
search.
  */
-#define SITELIB "/sys/lib/perl/5.31.0/site_perl"               /**/
-#define SITELIB_EXP "/sys/lib/perl/5.31.0/site_perl"           /**/
-#define SITELIB_STEM "/sys/lib/perl/5.31.0/site_perl"          /**/
+#define SITELIB "/sys/lib/perl/5.31.1/site_perl"               /**/
+#define SITELIB_EXP "/sys/lib/perl/5.31.1/site_perl"           /**/
+#define SITELIB_STEM "/sys/lib/perl/5.31.1/site_perl"          /**/
 
 /* Size_t_size:
  *     This symbol holds the size of a Size_t in bytes.
diff --git a/plan9/config_sh.sample b/plan9/config_sh.sample
index e9650fbfeb..6921f50e70 100644
--- a/plan9/config_sh.sample
+++ b/plan9/config_sh.sample
@@ -31,12 +31,12 @@ afsroot='/afs'
 alignbytes='4'
 aphostname='/bin/uname -n'
 api_revision='5'
-api_subversion='0'
+api_subversion='1'
 api_version='31'
-api_versionstring='5.31.0'
+api_versionstring='5.31.1'
 ar='ar'
-archlib='/sys/lib/perl5/5.31.0/386'
-archlibexp='/sys/lib/perl5/5.31.0/386'
+archlib='/sys/lib/perl5/5.31.1/386'
+archlibexp='/sys/lib/perl5/5.31.1/386'
 archname64=''
 archname='386'
 archobjs=''
@@ -815,17 +815,17 @@ inc_version_list=' '
 inc_version_list_init='0'
 incpath=''
 inews=''
-installarchlib='/sys/lib/perl/5.31.0/386'
+installarchlib='/sys/lib/perl/5.31.1/386'
 installbin='/usr/bin'
 installman1dir='/sys/man/1pub'
 installman3dir='/sys/man/2pub'
 installprefix='/usr'
 installprefixexp='/usr'
-installprivlib='/sys/lib/perl/5.31.0'
+installprivlib='/sys/lib/perl/5.31.1'
 installscript='/usr/bin'
-installsitearch='/sys/lib/perl/5.31.0/site_perl/386'
+installsitearch='/sys/lib/perl/5.31.1/site_perl/386'
 installsitebin='/usr/bin'
-installsitelib='/sys/lib/perl/5.31.0/site_perl'
+installsitelib='/sys/lib/perl/5.31.1/site_perl'
 installstyle='lib/perl5'
 installusrbinperl='undef'
 installvendorarch=''
@@ -950,8 +950,8 @@ pmake=''
 pr=''
 prefix='/usr'
 prefixexp='/usr'
-privlib='/sys/lib/perl/5.31.0'
-privlibexp='/sys/lib/perl/5.31.0'
+privlib='/sys/lib/perl/5.31.1'
+privlibexp='/sys/lib/perl/5.31.1'
 procselfexe=''
 prototype='define'
 ptrsize='4'
@@ -1016,13 +1016,13 @@ sig_num='0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 
19 20 21 22 23 24 25 26
 sig_num_init='0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 
18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 
38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 0'
 sig_size='50'
 signal_t='void'
-sitearch='/sys/lib/perl/5.31.0/site_perl/386'
+sitearch='/sys/lib/perl/5.31.1/site_perl/386'
 sitearchexp='/sys/lib/perl/site_perl/386'
 sitebin='/usr/bin'
 sitebinexp='/usr/bin'
-sitelib='/sys/lib/perl/5.31.0/site_perl'
-sitelib_stem='/sys/lib/perl/5.31.0/site_perl'
-sitelibexp='/sys/lib/perl/5.31.0/site_perl'
+sitelib='/sys/lib/perl/5.31.1/site_perl'
+sitelib_stem='/sys/lib/perl/5.31.1/site_perl'
+sitelibexp='/sys/lib/perl/5.31.1/site_perl'
 siteprefix='/usr'
 siteprefixexp='/usr'
 sizesize='4'
@@ -1055,7 +1055,7 @@ stdio_stream_array=''
 strerror_r_proto='0'
 strings='/sys/include/ape/string.h'
 submit=''
-subversion='0'
+subversion='1'
 sysman='/sys/man/1pub'
 tail=''
 tar=''
@@ -1136,8 +1136,8 @@ vendorlib_stem=''
 vendorlibexp=''
 vendorprefix=''
 vendorprefixexp=''
-version='5.31.0'
-version_patchlevel_string='version 31 subversion 0'
+version='5.31.1'
+version_patchlevel_string='version 31 subversion 1'
 versiononly='undef'
 vi=''
 xlibpth=''
@@ -1151,9 +1151,9 @@ config_args=''
 config_argc=0
 PERL_REVISION=5
 PERL_VERSION=31
-PERL_SUBVERSION=0
+PERL_SUBVERSION=1
 PERL_API_REVISION=5
 PERL_API_VERSION=31
-PERL_API_SUBVERSION=0
+PERL_API_SUBVERSION=1
 PERL_PATCHLEVEL=
 PERL_CONFIG_SH=true
diff --git a/pod/.gitignore b/pod/.gitignore
index 879f9b3adb..189b24c88d 100644
--- a/pod/.gitignore
+++ b/pod/.gitignore
@@ -50,7 +50,7 @@
 /roffitall
 
 # generated
-/perl5301delta.pod
+/perl5311delta.pod
 /perlapi.pod
 /perlintern.pod
 /perlmodlib.pod
diff --git a/pod/perl.pod b/pod/perl.pod
index 3f3fbe4798..f9a1e4d4f2 100644
--- a/pod/perl.pod
+++ b/pod/perl.pod
@@ -181,6 +181,7 @@ aux h2ph h2xs perlbug pl2pm pod2html pod2man splain xsubpp
 
     perlhist           Perl history records
     perldelta          Perl changes since previous version
+    perl5310delta      Perl changes in version 5.31.0
     perl5300delta      Perl changes in version 5.30.0
     perl5282delta      Perl changes in version 5.28.2
     perl5281delta      Perl changes in version 5.28.1
diff --git a/pod/perldelta.pod b/pod/perl5310delta.pod
similarity index 97%
copy from pod/perldelta.pod
copy to pod/perl5310delta.pod
index 3d1f47b309..87959edd15 100644
--- a/pod/perldelta.pod
+++ b/pod/perl5310delta.pod
@@ -2,7 +2,7 @@
 
 =head1 NAME
 
-perldelta - what is new for perl v5.31.0
+perl5310delta - what is new for perl v5.31.0
 
 =head1 DESCRIPTION
 
diff --git a/pod/perldelta.pod b/pod/perldelta.pod
index 3d1f47b309..83529ef3d0 100644
--- a/pod/perldelta.pod
+++ b/pod/perldelta.pod
@@ -2,36 +2,409 @@
 
 =head1 NAME
 
-perldelta - what is new for perl v5.31.0
+[ 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 v5.31.1
 
 =head1 DESCRIPTION
 
-This document describes differences between the 5.30.0 release and the 5.31.0
+This document describes differences between the 5.31.0 release and the 5.31.1
 release.
 
-If you are upgrading from an earlier release such as 5.29.0, first read
-L<perl5300delta>, which describes differences between 5.29.0 and 5.30.0.
+If you are upgrading from an earlier release such as 5.30.0, first read
+L<perl5310delta>, which describes differences between 5.30.0 and 5.31.0.
+
+=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 ]
+
+=head1 Security
+
+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 security issue as a =head2 entry ]
+
+=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 not applicable.
+
+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
+
+=item XXX
+
+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 an =item entry ]
+
+=over 4
+
+=item *
+
+XXX
+
+=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>.  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.
+
+The list of new and updated modules is modified automatically as part of
+preparing a Perl release, so the only reason to manually add entries here is if
+you're summarising the important changes in the module update. (Also, if the
+manually-added details don't match the automatically-generated ones, the
+release manager will have to investigate the situation carefully.)
+
+[ Within each section, list entries as an =item entry ]
+
+=head2 New Modules and Pragmata
+
+=over 4
+
+=item *
+
+XXX Remove this section if not applicable.
+
+=back
+
 =head2 Updated Modules and Pragmata
 
 =over 4
 
 =item *
 
-L<feature> has been upgraded from version 1.54 to 1.55.
+L<XXX> has been upgraded from version A.xx to B.yy.
+
+If there was something important to note about this change, include that here.
+
+=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
+
+We have attempted to update the documentation to reflect the changes
+listed in this document.  If you find any we have missed, send email
+to L<[email protected]|mailto:[email protected]>.
+
+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.
+
+Additionally, the following selected changes have been made:
+
+=head3 L<XXX>
+
+=over 4
 
 =item *
 
-L<Module::CoreList> has been upgraded from version 5.20190522 to 5.20190524.
+XXX Description of the change here
+
+=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>.
+
+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
 
 =item *
 
-L<Socket> has been upgraded from version 2.027 to 2.029.
+XXX L<message|perldiag/"message">
 
 =back
 
+=head3 New Warnings
+
+=over 4
+
+=item *
+
+XXX L<message|perldiag/"message">
+
+=back
+
+=head2 Changes to Existing Diagnostics
+
+XXX Changes (i.e. rewording) of diagnostic messages go here
+
+=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 directory F<utils>.
+
+[ List utility changes as a =head2 entry for each utility and =item
+entries for each change
+Use L<XXX> with program names to get proper documentation linking. ]
+
+=head2 L<XXX>
+
+=over 4
+
+=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 an =item entry ].
+
+=over 4
+
+=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.
+
+XXX If there were no significant test changes, say this:
+
+Tests were added and changed to reflect the other additions and changes
+in this release.
+
+XXX If instead there were significant changes, say this:
+
+Tests were added and changed to reflect the other additions and
+changes in this release.  Furthermore, these significant changes were
+made:
+
+[ List each test improvement as an =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 an =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
+
+=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 an =item entry ]
+
+=over 4
+
+=item *
+
+XXX
+
+=back
+
+=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 an =item entry ]
+
+=over 4
+
+=item *
+
+XXX
+
+=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 an =item entry ]
+
+=over 4
+
+=item *
+
+XXX
+
+=back
+
+=head1 Errata From Previous Releases
+
+=over 4
+
+=item *
+
+XXX Add anything here that we forgot to add, or were mistaken about, in
+the perldelta of a previous release.
+
+=back
+
+=head1 Obituary
+
+XXX If any significant core contributor or member of the CPAN community has
+died, add a short obituary here.
+
+=head1 Acknowledgements
+
+XXX Generate this with:
+
+  perl Porting/acknowledgements.pl v5.31.0..HEAD
+
 =head1 Reporting Bugs
 
 If you find what you think is a bug, you might check the perl bug database
diff --git a/vms/descrip_mms.template b/vms/descrip_mms.template
index 29920574b2..5d334ef1fe 100644
--- a/vms/descrip_mms.template
+++ b/vms/descrip_mms.template
@@ -313,7 +313,7 @@ utils : $(utils1) $(utils2) $(utils3) $(utils4) $(utils5)
 extra.pods : miniperl
        @ @extra_pods.com
 
-PERLDELTA_CURRENT = [.pod]perl5301delta.pod
+PERLDELTA_CURRENT = [.pod]perl5311delta.pod
 
 $(PERLDELTA_CURRENT) : [.pod]perldelta.pod
        Copy/NoConfirm/Log $(MMS$SOURCE) $(PERLDELTA_CURRENT)
diff --git a/win32/GNUmakefile b/win32/GNUmakefile
index a11b28f67d..97f84382d6 100644
--- a/win32/GNUmakefile
+++ b/win32/GNUmakefile
@@ -64,7 +64,7 @@ INST_TOP := $(INST_DRV)\perl
 # versioned installation can be obtained by setting INST_TOP above to a
 # path that includes an arbitrary version string.
 #
-#INST_VER      := \5.31.0
+#INST_VER      := \5.31.1
 
 #
 # Comment this out if you DON'T want your perl installation to have
@@ -1762,7 +1762,7 @@ utils: $(HAVEMINIPERL) ..\utils\Makefile
        copy ..\README.tw       ..\pod\perltw.pod
        copy ..\README.vos      ..\pod\perlvos.pod
        copy ..\README.win32    ..\pod\perlwin32.pod
-       copy ..\pod\perldelta.pod ..\pod\perl5301delta.pod
+       copy ..\pod\perldelta.pod ..\pod\perl5311delta.pod
        $(MINIPERL) -I..\lib $(PL2BAT) $(UTILS)
        $(MINIPERL) -I..\lib ..\autodoc.pl ..
        $(MINIPERL) -I..\lib ..\pod\perlmodlib.PL -q ..
@@ -1860,7 +1860,7 @@ distclean: realclean
        -if exist $(LIBDIR)\Win32API rmdir /s /q $(LIBDIR)\Win32API
        -if exist $(LIBDIR)\XS rmdir /s /q $(LIBDIR)\XS
        -cd $(PODDIR) && del /f *.html *.bat roffitall \
-           perl5301delta.pod perlaix.pod perlamiga.pod perlandroid.pod \
+           perl5311delta.pod perlaix.pod perlamiga.pod perlandroid.pod \
            perlapi.pod perlbs2000.pod perlce.pod perlcn.pod perlcygwin.pod \
            perldos.pod perlfreebsd.pod perlhaiku.pod perlhpux.pod \
            perlhurd.pod perlintern.pod perlirix.pod perljp.pod perlko.pod \
diff --git a/win32/Makefile b/win32/Makefile
index b66ec6f5a8..176e2a152a 100644
--- a/win32/Makefile
+++ b/win32/Makefile
@@ -38,7 +38,7 @@ INST_TOP      = $(INST_DRV)\perl
 # versioned installation can be obtained by setting INST_TOP above to a
 # path that includes an arbitrary version string.
 #
-#INST_VER      = \5.31.0
+#INST_VER      = \5.31.1
 
 #
 # Comment this out if you DON'T want your perl installation to have
@@ -1283,7 +1283,7 @@ utils: $(PERLEXE) ..\utils\Makefile
        copy ..\README.tw       ..\pod\perltw.pod
        copy ..\README.vos      ..\pod\perlvos.pod
        copy ..\README.win32    ..\pod\perlwin32.pod
-       copy ..\pod\perldelta.pod ..\pod\perl5301delta.pod
+       copy ..\pod\perldelta.pod ..\pod\perl5311delta.pod
        cd ..\win32
        $(PERLEXE) $(PL2BAT) $(UTILS)
        $(MINIPERL) -I..\lib ..\autodoc.pl ..
@@ -1382,7 +1382,7 @@ distclean: realclean
        -if exist $(LIBDIR)\Win32API rmdir /s /q $(LIBDIR)\Win32API
        -if exist $(LIBDIR)\XS rmdir /s /q $(LIBDIR)\XS
        -cd $(PODDIR) && del /f *.html *.bat roffitall \
-           perl5301delta.pod perlaix.pod perlamiga.pod perlandroid.pod \
+           perl5311delta.pod perlaix.pod perlamiga.pod perlandroid.pod \
            perlapi.pod perlbs2000.pod perlce.pod perlcn.pod perlcygwin.pod \
            perldos.pod perlfreebsd.pod perlhaiku.pod perlhpux.pod \
            perlhurd.pod perlintern.pod perlirix.pod perljp.pod perlko.pod \
diff --git a/win32/makefile.mk b/win32/makefile.mk
index df350f8dda..56136a0634 100644
--- a/win32/makefile.mk
+++ b/win32/makefile.mk
@@ -45,7 +45,7 @@ INST_TOP      *= $(INST_DRV)\perl
 # versioned installation can be obtained by setting INST_TOP above to a
 # path that includes an arbitrary version string.
 #
-#INST_VER      *= \5.31.0
+#INST_VER      *= \5.31.1
 
 #
 # Comment this out if you DON'T want your perl installation to have
@@ -1679,7 +1679,7 @@ utils: $(HAVEMINIPERL) ..\utils\Makefile
        copy ..\README.tw       ..\pod\perltw.pod
        copy ..\README.vos      ..\pod\perlvos.pod
        copy ..\README.win32    ..\pod\perlwin32.pod
-       copy ..\pod\perldelta.pod ..\pod\perl5301delta.pod
+       copy ..\pod\perldelta.pod ..\pod\perl5311delta.pod
        $(MINIPERL) -I..\lib $(PL2BAT) $(UTILS)
        $(MINIPERL) -I..\lib ..\autodoc.pl ..
        $(MINIPERL) -I..\lib ..\pod\perlmodlib.PL -q ..
@@ -1777,7 +1777,7 @@ distclean: realclean
        -if exist $(LIBDIR)\Win32API rmdir /s /q $(LIBDIR)\Win32API
        -if exist $(LIBDIR)\XS rmdir /s /q $(LIBDIR)\XS
        -cd $(PODDIR) && del /f *.html *.bat roffitall \
-           perl5301delta.pod perlaix.pod perlamiga.pod perlandroid.pod \
+           perl5311delta.pod perlaix.pod perlamiga.pod perlandroid.pod \
            perlapi.pod perlbs2000.pod perlce.pod perlcn.pod perlcygwin.pod \
            perldos.pod perlfreebsd.pod perlhaiku.pod perlhpux.pod \
            perlhurd.pod perlintern.pod perlirix.pod perljp.pod perlko.pod \
diff --git a/win32/pod.mak b/win32/pod.mak
index e795ef221b..8fe14eaa1a 100644
--- a/win32/pod.mak
+++ b/win32/pod.mak
@@ -58,7 +58,8 @@ POD = perl.pod        \
        perl5281delta.pod       \
        perl5282delta.pod       \
        perl5300delta.pod       \
-       perl5301delta.pod       \
+       perl5310delta.pod       \
+       perl5311delta.pod       \
        perl561delta.pod        \
        perl56delta.pod \
        perl581delta.pod        \
@@ -212,7 +213,8 @@ MAN = perl.man      \
        perl5281delta.man       \
        perl5282delta.man       \
        perl5300delta.man       \
-       perl5301delta.man       \
+       perl5310delta.man       \
+       perl5311delta.man       \
        perl561delta.man        \
        perl56delta.man \
        perl581delta.man        \
@@ -366,7 +368,8 @@ HTML = perl.html    \
        perl5281delta.html      \
        perl5282delta.html      \
        perl5300delta.html      \
-       perl5301delta.html      \
+       perl5310delta.html      \
+       perl5311delta.html      \
        perl561delta.html       \
        perl56delta.html        \
        perl581delta.html       \
@@ -520,7 +523,8 @@ TEX = perl.tex      \
        perl5281delta.tex       \
        perl5282delta.tex       \
        perl5300delta.tex       \
-       perl5301delta.tex       \
+       perl5310delta.tex       \
+       perl5311delta.tex       \
        perl561delta.tex        \
        perl56delta.tex \
        perl581delta.tex        \

-- 
Perl5 Master Repository

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