Tcl/Tk 8.5.8 Release Announcement
November 16, 2009

The Tcl Core Team is pleased to announce the 8.5.8 releases of the Tcl
dynamic language and the Tk toolkit.  This is the eighth patch release
of Tcl/Tk 8.5.  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 8.5.8 sources are freely available as open source from the
Tcl Developer Xchange web site at:

        http://www.tcl.tk/software/tcltk/8.5.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/project/showfiles.php?group_id=10894

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 8.5.7:
--------------------------------------

The following were the main changes in Tcl/Tk 8.5.8.  A complete list
can be found in the changes file at the root of the source tree.  The
more complete ChangeLog is also included with each source release.  This
is a patch release, so it primarily includes bug fixes and corrections
to erratic behavior.  Below are only the most notable changes.
   
   * Resized mp_digit / mp_int storage on 64-bit systems.
        *** POTENTIAL INCOMPATIBILITY see http://wiki.tcl.tk/24693 ***

   * Vista Ttk theme support.

   * [tk_chooseDirectory] has newer style on Windows.

   * Tk 8.5.8 can now [load] into a Tcl 8.6 or later interp.

   * Updated [send] security for compatibility with Fedora 8 systems.

   * Corrected scope of [tk_get*File -typevariable].

   * [glob */foo] now returns ./~x/foo and not ~x/foo .

   * [wm iconphoto] now works on non-32-bit displays and big endian systems.

   * Safe Base now permits access to complete TM search path.

   * [info frame] now accounts for continuation lines.

   * [close] no longer suppresses "out of space" error message.

   * [chan create]d channels can now signal EAGAIN.

   * Repaired broken "tclTomMath.h" header file.

   * New version 1.0.5 of platform package:
     - accounts for ia64_32 

   * New version 2.7.5 of http package:
     - accept "quoted" charset value in headers
     - RFC 3986 compliance for ? in URLs

   * New version 2.3.2 of tcltest package.
  
   * Fixed nested event loop problems with TkAqua Cocoa and CoreFoundation.

   * Fixed Core Foundation memory bug in Tiger.

   * Fixed [checkbutton] state confusion on Windows.

   * Update [tk_messageBox] to work with Ttk buttons.

   * Fixed buffer overflows in [format].

   * Fixed EIAS failures in filesystem paths like ~foo.

   * Fixed XLFD font parse of {-family sans-serif ...}.

   * Fixed keyboard traversal of Windows menus.

   * Stop [grab .] preventing minimization.

   * Stop "tiny fonts" problem on Russian Windows.

   * Fixed tearoff menu operations on Windows.

   * Fixed underline and overstrike in Xft fonts.

   * Fixed crash when [exec] redirects to [chan create]d channel.

   * Fixed incorrect ** results like [expr {7**9 == 7**65545}] => 1.

   * Enable image data transfer through [selection get].

   * Proper tcl_platform(user) value on Windows when run as SYSTEM.

   * Repaired many segfaults and panics due to integer overflow on long values.

   * Fixed crashes sending focus to windows dead or not yet born.

   * Fixed crash drawing sash on panedwindow.

   * Fixed crash allocating fonts.

   * Fixed X crash on overlong color name.

   * Stopped hang in [fcopy -size] with mismatched translations/encodings.

   * Repaired memory leak in Tcl_ThreadQueueEvent().

   * Repaired memory leak in [dict incr].

   * Fixed crash in self-deleting variable unset traces.

   * Fixed crash in nested compiles (traces on ::errorInfo).

   * MIPS FPU settings for floating point underflow.

   * Support for portability to gcc 2.95 on Haiku OS.

   * Corrections and updates to timezone data and DST calculations.

   * Several Tk appearance corrections.

--
Tcl Core Team and Maintainers
Don Porter, Tcl Core Release Manager