Log Message:
Changes 8.4.13:
* 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.
* 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.