Stamp HEAD as 16devel.

Let the hacking begin ...

(cherry picked from commit d31d309)

configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for PostgreSQL 15beta2.
+# Generated by GNU Autoconf 2.69 for PostgreSQL 16devel.
 #
 # Report bugs to <[email protected]>.
 #
@@ -582,8 +582,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='PostgreSQL'
 PACKAGE_TARNAME='postgresql'
-PACKAGE_VERSION='15beta2'
-PACKAGE_STRING='PostgreSQL 15beta2'
+PACKAGE_VERSION='16devel'
+PACKAGE_STRING='PostgreSQL 16devel'
 PACKAGE_BUGREPORT='[email protected]'
 PACKAGE_URL='https://www.postgresql.org/'
 
@@ -1454,7 +1454,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures PostgreSQL 15beta2 to adapt to many kinds of systems.
+\`configure' configures PostgreSQL 16devel to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1519,7 +1519,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of PostgreSQL 15beta2:";;
+     short | recursive ) echo "Configuration of PostgreSQL 16devel:";;
    esac
   cat <<\_ACEOF
 
@@ -1693,7 +1693,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-PostgreSQL configure 15beta2
+PostgreSQL configure 16devel
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2446,7 +2446,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by PostgreSQL $as_me 15beta2, which was
+It was created by PostgreSQL $as_me 16devel, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -20415,7 +20415,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by PostgreSQL $as_me 15beta2, which was
+This file was extended by PostgreSQL $as_me 16devel, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -20486,7 +20486,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-PostgreSQL config.status 15beta2
+PostgreSQL config.status 16devel
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 

configure.ac

@@ -17,7 +17,7 @@ dnl Read the Autoconf manual for details.
 dnl
 m4_pattern_forbid(^PGAC_)dnl to catch undefined macros
 
-AC_INIT([PostgreSQL], [15beta2], [[email protected]], [], [https://www.postgresql.org/])
+AC_INIT([PostgreSQL], [16devel], [[email protected]], [], [https://www.postgresql.org/])
 
 m4_if(m4_defn([m4_PACKAGE_VERSION]), [2.69], [], [m4_fatal([Autoconf version 2.69 is required.
 Untested combinations of 'autoconf' and PostgreSQL versions are not

doc/src/sgml/filelist.sgml

@@ -176,7 +176,7 @@
 <!ENTITY sourcerepo SYSTEM "sourcerepo.sgml">
 
 <!ENTITY release    SYSTEM "release.sgml">
-<!ENTITY release-15     SYSTEM "release-15.sgml">
+<!ENTITY release-16 SYSTEM "release-16.sgml">
 
 <!ENTITY limits     SYSTEM "limits.sgml">
 <!ENTITY acronyms   SYSTEM "acronyms.sgml">