Tcl/Tk 8.3.3 Release Announcement
April 9, 2001

We are pleased to announce the 8.3.3 releases of the Tcl scripting language
and the Tk toolkit.  This is the third patch release of Tcl/Tk 8.3. More
details can be found below.  We'd like to thank all those that submit bugs
and patches as they are the primary source of information for us to
identify problems in the core.

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

Tcl/Tk 8.3.3 sources are freely available in from the Tcl Developer Xchange
web site at:

        http://dev.Scriptics.com/software/tcltk/8.3.html
        http://tcl.ActiveState.com/software/tcltk/8.3.html

This web page also contains additional information about the releases,
including new features and notes about installing and compiling the
releases.  Windows and Linux binaries are available from:

	http://www.ActiveState.com/ASPN/Tcl/Downloads/

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

Please visit the Tcl Developer Xchange web site:

        http://dev.Scriptics.com/
        http://tcl.ActiveState.com/

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

Thank you for your contributions:
---------------------------------
As usual, this release includes contributions from the Tcl community.
Tcl/Tk is maintained by the community, with the sources and bug
database at SourceForge:

	 http://tcl.SourceForge.net/

Everyone is encouraged to participate in making Tcl an even better
language.

Summary of Changes since Tcl/Tk 8.3.2:
--------------------------------------

The following were the main changes in Tcl/Tk 8.3.3.  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.

1. Improved Mac build structure, build support for AIX-5 and Win64,
   as well as improved build support for IRIX-5 and Mac OS X.

2. Fixed race condition in readability of socket on Windows.

3. Fixed handling of timeout for threads (corrects excessive CPU usage
   issue for Tk on Unix in threaded Tcl environment).

4. Improved efficiency of [string split].

5. Corrected parsing of $tcl_libPath at startup and use of tclLibraryPath
   in the threaded environment on Windows.

6. Enhanced handling of {!<boolean>} in expressions.

7. Corrected excessive mem use of info exists on a non-existent array
   element.

8. Corrected a memory leak in the channel code.

10. Added support for changing IME on the fly in Windows 2000

11. Added Windows icon support in [wm iconbitmap].

12. Corrected support for iso10646-1 fonts (unicode on X).

-- 
   Jeff Hobbs                     The Tcl Guy
   Senior Developer               http://www.ActiveState.com