merge release

9 files changed, 51 insertions, 9 deletions

diff --git a/README.md b/README.md
index 7a2bca0..045a287 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # README:  Tcl
 
-This is the **Tcl 8.6.11** source distribution.
+This is the **Tcl 8.6.12** source distribution.
 
 You can get any source release of Tcl from [our distribution
 site](https://sourceforge.net/projects/tcl/files/Tcl/).
diff --git a/changes b/changes
index 07e432d..fba75e3 100644
--- a/changes
+++ b/changes
@@ -9074,3 +9074,45 @@ See RFC 2045
 2020-12-23 tzdata updated to Olson's tzdata2020e (jima)
 
 - Released 8.6.11, Dec 31, 2020 - details at https://core.tcl-lang.org/tcl/ -
+
+2021-02-02 (new) support for MacOS Big Sur updates (nijtmans)
+=> platform 1.0.17
+
+2021-02-15 (bug)[d43f96] [string trim*] broken for Emoji (werner)
+
+2021-02-16 (bug)[22324b] [string reverse] broken for Emoji (werner)
+
+2021-02-19 (bug)[1dab71,7c64aa] BRE broken by uninitialized value use (lane)
+
+2021-03-09 (bug)[8419c5] Unix tty channels tolerate EINTR (nijtmans)
+        *** POTENTIAL INCOMPATIBILITY ***
+
+2021-03-10 (bug)[4c591f] [string compare] EIAS violation (nijtmans)
+
+2021-04-08 (new) dde package installation compatible with Tcl 9 (nijtmans)
+=> dde 1.4.4
+
+2021-04-14 (bug)[266494] [concat foo [list #]] EIAS violation (porter)
+
+2021-05-03 (bug)[24b918] Save IO buffers from modern optimizers (rupprecht)
+
+2021-05-06 (new) support for POSIX error EILSEQ (nijtmans)
+
+2021-05-17 (bug)[688fcc] segfault during traced delete of alias (coulter)
+
+2021-06-22 (bug)[bad6cc] More secure build tool. CVE-2021-35331 (nijtmans)
+
+2021-07-17 (bug)[592a25] Win: segfault in Tcl_PutEnv() (danckaert,nijtmans)
+
+2021-09-02 (bug)[ccc448] segfault in ensemble rewrite machinery (coulter)
+
+2021-09-14 (new) Update to Unicode-14 (nijtmans)
+
+2021-10-08 (bug)[a8579d] failed proc argument spec processing (russell,coulter)
+
+2021-10-27 (new) support for MacOS Monterey (nijtmans)
+=> platform 1.0.18
+
+2021-10-27 tzdata updated to Olson's tzdata2021e (nijtmans)
+
+- Released 8.6.12, Nov 5, 2021 - details at https://core.tcl-lang.org/tcl/ -
diff --git a/generic/tcl.h b/generic/tcl.h
index 2dc3ae2..41025e7 100644
--- a/generic/tcl.h
+++ b/generic/tcl.h
@@ -51,10 +51,10 @@ extern "C" {
 #define TCL_MAJOR_VERSION   8
 #define TCL_MINOR_VERSION   6
 #define TCL_RELEASE_LEVEL   TCL_FINAL_RELEASE
-#define TCL_RELEASE_SERIAL  11
+#define TCL_RELEASE_SERIAL  12
 
 #define TCL_VERSION	    "8.6"
-#define TCL_PATCH_LEVEL	    "8.6.11"
+#define TCL_PATCH_LEVEL	    "8.6.12"
 
 /*
  *----------------------------------------------------------------------------
diff --git a/library/init.tcl b/library/init.tcl
index 0a1f53a..edf6bd5 100644
--- a/library/init.tcl
+++ b/library/init.tcl
@@ -16,7 +16,7 @@
 if {[info commands package] == ""} {
     error "version mismatch: library\nscripts expect Tcl version 7.5b1 or later but the loaded version is\nonly [info patchlevel]"
 }
-package require -exact Tcl 8.6.11
+package require -exact Tcl 8.6.12
 
 # Compute the auto path to use in this interpreter.
 # The values on the path come from several locations:
diff --git a/unix/configure b/unix/configure
index dc71c08..37cf113 100755
--- a/unix/configure
+++ b/unix/configure
@@ -1335,7 +1335,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 TCL_VERSION=8.6
 TCL_MAJOR_VERSION=8
 TCL_MINOR_VERSION=6
-TCL_PATCH_LEVEL=".11"
+TCL_PATCH_LEVEL=".12"
 VERSION=${TCL_VERSION}
 
 EXTRA_INSTALL_BINARIES=${EXTRA_INSTALL_BINARIES:-"@:"}
diff --git a/unix/configure.in b/unix/configure.in
index 21e47376..c73f368 100644
--- a/unix/configure.in
+++ b/unix/configure.in
@@ -26,7 +26,7 @@ m4_ifdef([SC_USE_CONFIG_HEADERS], [
 TCL_VERSION=8.6
 TCL_MAJOR_VERSION=8
 TCL_MINOR_VERSION=6
-TCL_PATCH_LEVEL=".11"
+TCL_PATCH_LEVEL=".12"
 VERSION=${TCL_VERSION}
 
 EXTRA_INSTALL_BINARIES=${EXTRA_INSTALL_BINARIES:-"@:"}
diff --git a/unix/tcl.spec b/unix/tcl.spec
index de6fa2b..2e4a433 100644
--- a/unix/tcl.spec
+++ b/unix/tcl.spec
@@ -4,7 +4,7 @@
 
 Name:          tcl
 Summary:       Tcl scripting language development environment
-Version:       8.6.11
+Version:       8.6.12
 Release:       2
 License:       BSD
 Group:         Development/Languages
diff --git a/win/configure b/win/configure
index d6a934e..f355e51 100755
--- a/win/configure
+++ b/win/configure
@@ -1325,7 +1325,7 @@ SHELL=/bin/sh
 TCL_VERSION=8.6
 TCL_MAJOR_VERSION=8
 TCL_MINOR_VERSION=6
-TCL_PATCH_LEVEL=".11"
+TCL_PATCH_LEVEL=".12"
 VER=$TCL_MAJOR_VERSION$TCL_MINOR_VERSION
 
 TCL_DDE_VERSION=1.4
diff --git a/win/configure.in b/win/configure.in
index 2453eab..0aa3224 100644
--- a/win/configure.in
+++ b/win/configure.in
@@ -15,7 +15,7 @@ SHELL=/bin/sh
 TCL_VERSION=8.6
 TCL_MAJOR_VERSION=8
 TCL_MINOR_VERSION=6
-TCL_PATCH_LEVEL=".11"
+TCL_PATCH_LEVEL=".12"
 VER=$TCL_MAJOR_VERSION$TCL_MINOR_VERSION
 
 TCL_DDE_VERSION=1.4