[TCLCORE] Tcl/Tk 8.6.4 RELEASED

[Donald G P. <don...@ni...>]

Tcl/Tk 8.6.4 Release Announcement
March 12, 2015

The Tcl Core Team is pleased to announce the 8.6.4 releases of the Tcl
dynamic language and the Tk toolkit.  This is the fourth patch release
of Tcl/Tk 8.6.  More details can be found below.  We would like to
express our gratitude to all those who submit bug reports and patches.
This information is invaluable in enabling us to identify and eliminate
problems in the core.

Where to get the new releases:
------------------------------

Tcl/Tk 8.6.4 sources are freely available as open source from the
Tcl Developer Xchange web site at:

         http://www.tcl.tk/software/tcltk/8.6.html

This web page also contains additional information about the releases,
including new features and notes about installing and compiling the
releases.  Sources are always available from the Tcl SourceForge
project's file distribution area:

         http://sourceforge.net/projects/tcl/files/

Binaries for most major platforms are available from:

         http://www.activestate.com/Tcl

For additional information:
---------------------------

Please visit the Tcl Developer Xchange web site:

         http://www.tcl.tk/

This site contains a variety of information about Tcl/Tk in general, the
core Tcl and Tk distributions, Tcl development tools, and much more.

Summary of Changes since Tcl/Tk 8.6.3:
--------------------------------------

This is a patch release, so it primarily includes bug fixes and corrections
to erratic behavior.  All relevant bug fixes (and some more) up to and
including 8.5.18 changes are included in 8.6.4.  Highlighted changes are
noted below.  The changes file at the root of the source tree contains
a more complete list.  The Timelines of all changes are online.

	http://core.tcl.tk/tcl/
	http://core.tcl.tk/tk/

    * Debut of Tk-Cocoa 2.0 - Mac App Store compatible!
         http://www.codebykevin.com/blosxom.cgi/2015/01/30
         *** POTENTIAL INCOMPATIBILITY ***

    * [TIP 427] Improved async socket connects and introspection

    * [TIP 433] New binding substitution %M
         *** POTENTIAL INCOMPATIBILITY ***

    * Additional restoration of read beyond EOF on channels.

    * Fixed [lreplace {1 2 3} 2 0].

    * Fixed crashes in...
	- optimized binary [chan copy]
	- [tk_getOpenFile ... -typevariable $x -filetypes $x]

    * Fixed hang in Win async socket connection

    * Fixed encoding handling of Win socket errors

    * Fixed corrupt dashed lines in postscript output

    * Restored tbcload and tclcompiler support

--
Tcl Core Team and Maintainers
Don Porter, Tcl Core Release Manager
-- 
| Don Porter            Applied and Computational Mathematics Division |
| don...@ni...             Information Technology Laboratory |
| http://math.nist.gov/~DPorter/                                  NIST |
|______________________________________________________________________|