Tcl/Tk 8.4.13 Release Announcement
April 19, 2006

The Tcl Core Team is pleased to announce the 8.4.13 releases of the Tcl
dynamic language and the Tk toolkit.  This is the thirteenth patch release
of Tcl/Tk 8.4.  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 8.4.13 sources are freely available as open source from the
Tcl Developer Xchange web site at:

        http://www.tcl.tk/software/tcltk/8.4.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.

Thank you for your contributions:
---------------------------------

As usual, this release includes contributions from the Tcl community.
We have a page honoring these contributors at:

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

Summary of Changes since Tcl/Tk 8.4.12:
--------------------------------------

The following were the main changes in Tcl/Tk 8.4.13.  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 included bug fixes and corrections
to erratic behavior.  Below are only the most notable changes.

Some changes that were made in the 8.4.12 releases caused trouble, and
have been reverted in this 8.4.13 release.  They are:

  * Win NT/XP: unicode console support taken back out.

  * ${prefix}/share addition to ::tcl_pkgPath undone.

  * Warning message for packages with incorrect index scripts silenced.

Other changes include:

  * Correct syntax error in configure script (bash 3.1 exposes it).

  * Tk incompatibilities with SCIM resolved.

  * Improved [file writable] support of Windows conventions.

  * Tcl_GetIndexFromObj() support for exact matching of empty key.

  * Tk Portuguese localization support (pt.msg).

  * Tk more robust when X server does not recognize color name "Black".

  * Tk_PhotoPutBlock() performance improvement.

  * [lsearch -start $pastEnd] no longer finds match at end of list.

  * Correct [expr abs($LONG_MIN)] result.

  * Correct [string range] failures on some strings containing \x00.

  * TCL_EVAL_GLOBAL and [uplevel #0] agreement when traces or [unknown] active.

  * Corrections to context of auto-loading the target of an interp alias.

  * Corrected some interference between enter and enterstep traces.

  * Correct [$img configure -data] failure to change X display.

  * Tk_GetBitmapFromData() thread safety.

  * Crashes in [grid] for some invalid index arguments.

  * Crash when all content of a [text] is elided.

  * Crash in [$text edit undo/redo].

  * Crash in animated GIF display with variable frame size.

  * Crash related to pipe usage in thread-enabled Tcl on Windows.

  * Crash when [$text dump -command] changes contents while dumping.

  * Crash reading utf-8 when multibyte char spans multiple buffers at EOF.

  * Several finalization crashes corrected.

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



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