update tcl/tk

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-This file summarizes all changes made to Tk since version 1.0 was
-released on March 13, 1991.  Changes that aren't backward compatible
-are marked specially.
-
-3/16/91 (bug fix) Modified tkWindow.c to remove Tk's Tcl commands from
-the interpreter when the main window is deleted (otherwise there will
-be dangling pointers to the non-existent window).
-
-3/16/91 (bug fix) Modified tkColor.c not to free black or white colors:
-some X servers get upset at this.
-
-3/18/91 (bug fix) Modified tkShare.c to fix bug causing "DeleteGroup
-couldn't find group on shareList" panic.
-
-3/18/91 (bug fix) Several changes to tkListbox.c and tkScrollbar.c to
-handle listboxes (and scrollbars) with zero total entries in them.
-
-3/22/91 (bug fix) Fixed a few ='s in tkListbox.c that should be ==.
-
-3/22/91 (bug fix) Fixed error in main.c that caused BadWindow errors
-in some cases where wish scripts invoke "destroy .".
-
-3/23/91 (new feature) Added Tk_CancelIdleCall to remove Tk_DoWhenIdle
-handler.
-
-3/23/91 (bug fix and new feature) Added -name option to main.c, made
-it more clever about choosing name (was always using the name "wish"
-on most Unix systems).
-
-3/23/91 (new feature) Added TK_CONFIG_STRING option to Tk_ConfigureWidget,
-used it to malloc strings for various widget options that used to be
-Tk_Uid's (e.g. button text, message strings, etc.).  Eliminates core
-leaks when values change in continuous non-repeating fashion.
-
-3/29/91 (new feature) Added Tk_Preserve, Tk_Release, and
-Tk_EventuallyFree procedures to help manage widget records and avoid
-premature memory free-ing.
-
-4/4/91 (bug fix) Fixed problem in tkWm.c where top-level window geometry
-wasn't tracking correctly when wm-induced size change also changed window
-position (e.g. menus wouldn't be displayed at the right places).
-
-4/5/91 (new feature) Added "invoke" option to widget command for buttons,
-check buttons, and radio buttons.
-
-4/5/91 (new feature) Added "unpack" option to "pack" command.
-
-4/5/91 (bug fix) Changed tkPack.c to use new Tk_Preserve code and be
-more careful about window deletions that occur while repacking is in
-progress.
-
-4/6/91 (bug fix) Major overhaul of deletion code in all widgets to use
-Tk_Preserve and Tk_Release.  Should fix many problems.
-
-4/6/91 (bug fix) Changed "winfo children" to generate correct lists
-when child names have embedded spaces.
-
-4/6/91 (new feature) Added "screenheight" and "screenwidth" options to
-"winfo".
-
-4/18/91 (bug fix) Binding mechanism didn't correctly handle very long
-%-substitutions in commands (e.g. long path names) and caused memory
-to be overwritten.  Modified tkBind.c to fix.
-
----------------------- Release 1.1, 4/18/91 -------------------------
-
-4/19/91 (bug fix) Inconsistent ICCCM handling of coordinates of reparented
-windows causes windows to gradually walk south when moved or resized.
-Fixed tkWm.c to patch around the problem.
-
----------------------- Release 1.2, 4/24/91 -------------------------
-
-4/26/91 (new feature) Added -geometry and -display switches to wish.
-Also wrote wish manual entry.
-
-5/3/91 (bug fix) Fixed bug in tkListbox.c that caused garbage to appear
-at right edge of window when strings were to large to fit in window.
-
-5/3/91 (bug fix) Fixed bug in tkListbox.c where topIndex wasn't getting
-updated when elements were deleted:  tended to cause errors in
-communication with scrollbars.
-
-5/16/91 (bug fix) Fixed bug in tk3d.c, which caused core dumps when
-consecutive points in a polygon were the same (happened with some
-configurations of radio buttons, for example).
-
-5/16/91 (bug fix) Fixed main.c to allow stdin to be redirected.
-
-6/1/91 (bug fix) Make sure that pointers are never used after being
-freed.
-
-6/15/91 (bug fix) Fixed bug in tkBind.c that caused current binding
-values to not always be printed correctly.
-
-6/15/91 (bug fix) Make sure that interpreters are always unregistered
-when their main windows are deleted, and make wish delete the main
-window before exiting.
-
-8/21/91 (misfeature correction)  Automatically set source of window
-position to "user" in "wm geometry" command, unless it has been
-explicitly set to "program".
-
-9/5/91 (bug fix) Modified option code to accept '#' as a comment
-character in .Xdefaults files, in addition to '!'.
-
-9/10/91 (misfeature correction) Changed binding mechanism so that
-numeric %-sequences are output in decimal instead of hex.
-
-9/19/91 (bug fix) Fixed bug in Tk_DoOneEvent(1) where it wasn't
-checking files and X connections properly so it missed events.
-
-10/6/91 (new feature) Reorganized tkBind.c to provide generic "binding
-table" structure, which can be used to create bindings on items in
-canvases as well as windows.
-
-10/6/91 (new feature) Upgraded buttons and menus to use new tracing
-code in Tcl 6.0.  Allows radio buttons and check buttons to both set
-and clear themselves when associated variable changes.
-
-10/17/91 (bug fix) Fixed 2 bugs in listboxes: accidentally advanced the
-selection when new entries were inserted in the listbox after the location
-of the selected item(s), and goofed up on redisplay if selected item
-was deleted and then selection was immediately lost.
-
-10/27/91 (bug fix) "pack unpack" wasn't telling Tk that it no longer
-manages window;  this led to core dumps in some situations.
-
-10/31/91 (reorganization) Renamed manual entries so that they are no
-more than 14 characters in length.
-
-10/31/91 (reorganization) Changed tk.h and tkInt.h so that tkInt.h
-doesn't needed to be included by tk.h.
-
-11/3/91 (portability improvement) Eliminated use of "class" as a variable
-name, since it's a reserved word in C++.
-
-11/7/91 (reorganization) Many changes to upgrade for Tcl 6.1 including
-use of Tcl hash tables instead of separate "Hash_" module.  The "lib"
-subdirectory is no longer needed in Tk.
-
----------------------- Release 1.3, 11/7/91 -------------------------
-
-11/24/91 (bug fix) Fixed bug causing occasional errors if existing bindings
-are modified (FindSequence in tkBind.c forget to set *maskPtr).
-
-11/24/91 (bug fix) Used wrong hash table in Tk_GetColorByValue.  Could
-cause new entries to get created unnecessarily.
-
-12/2/91 (bug fix) Changed "bind" code to put backslashes in front of
-special characters (e.g. [ or \) that appear in %-replacements, so that
-they can be parsed cleanly.
-
-12/10/91 (bug fix) Manual entries had first lines that caused "man" program
-to try weird preprocessor.  Added blank comment lines to fix problem.
-
-1/2/92 (documentation cleanup) Changed manual entries for Tk_GetBitmap
-and the like to make it more clear that the argument must be a Tk_Uid
-and not a string.
-
-1/2/92 (bug fix) Fixed problem where scrollbars that were very short or
-very narrow (too small to hold both arrows) could cause negative values
-in calls to XClearArea, which crashed some servers.
-
-1/2/92 (bug fix) Fixed bug in TkMeasureChars occurring when maxChars
-is 0.  Occasionally affected things like message window geometry.
-
-1/3/92 (new feature) Added procedures Tk_GetJustify, Tk_GetAnchor,
-Tk_GetCapStyle, and Tk_GetJoinStyle, plus support for these things
-in Tk_ConfigureWidget.
-
----------------------- Release 1.4, 1/10/92 -------------------------
-
-1/12/92 (bug fix) TkMenubutton.c wasn't cleaning up mbPtr->varName
-properly during menubutton cleanup if an error occurred during
-menubutton creation.
-
-1/19/92 (bug fix) Fixed off-by-one bug in tkListbox.c that caused
-scrollbars to display a slider that was too large.
-
-2/10/92 (bug fix) Tk_CreateFileHandler didn't correctly handle case
-where new mask was specified for existing handler.
-
-2/13/92 (bug fix) Tk_DeleteAllBindings wasn't correctly removing
-bindings from the pattern table:  only did the removal for the
-first pattern in a pattern list.
-
-2/15/92 (new feature) Added procedures Tk_DefineBitmap and
-Tk_SizeOfBitmap.  Tk_GetBitmapFromData is now considered obsolete
-and probably shouldn't be used anymore.  Tk_GetBitmapFromData
-is now implemented by calling Tk_DefineBitmap and Tk_GetBitmap.
-
-2/15/92 (new feature) Added "curselection" and "select clear" options
-to widget command for listboxes.
-
-2/15/92 (new feature) Added Tk_3DBorderColor procedure.
-
-2/17/92 (relaxed limitations) Changed scrollbars so they no longer limit
-the slider position to lie within the object's range:  can scroll off the
-end of an object, if the object permits it.  Changed listboxes and
-entries to explicitly prevent viewing off the ends.  Also relaxed
-listbox index checks so that out-of-range indices are automatically
-adjust to fit within the listbox range.
-
-2/19/92 (bug fix) tkWindow.c tended to leave half-created windows around
-if a new window's name was found to be in use already.  Fixed to clean
-them up.
-
-2/22/92 (new feature) Added -anchor, -bitmap, -height, -textvariable,
--width options to labels, buttons, check buttons, menu buttons, and radio
-buttons.  This means that (a) size can be controlled better, (b) bitmaps
-can be displayed in any buttons, (c) the position of the text within the
-button can be controlled, and (d) a button can be made to display the value
-of a variable, continuously updating itself.  Also changed -selector option
-so that if it's specified as an empty string then no selector is drawn
-for the button.
-
-2/22/92 (new feature) Changed menus to support bitmaps in menu entries:
-added new -bitmap option for entries.
-
-2/26/92 (bug fix) "after" command, when invoked with just one argument,
-called Tk_Sleep rather than registering a timer handler and looping on
-Tk_DoOneEvent.  As a result, it caused the application to become non-
-responsive to X events during the sleep.  Changed to use a Tk_DoOneEvent
-loop so that it is responsive.
-
-2/26/92 (bug fix) Tk's main program didn't map the main window until
-after the startup script returned.  Changed to map the window as a
-do-when-idle handler, so that scripts can cause the window to be
-mapped immediately with a call to "update" or "after".
-
-2/28/92 (bug fix) "wm withdraw" wasn't working if invoked before window
-was originally mapped:  window got mapped anyway.  Fixed so that the
-window doesn't get mapped as long as it's withdrawn.
-
-2/29/92 (new feature) Can use "focus none" to clear input focus.
-
-2/29/92 (bug fix) Fixed tkEvent.c to generate SubstructureNotify events
-properly.  These weren't being generated previously.
-
-2/29/92 (bug fix) Fixed entries so that newline characters can be properly
-displayed (as `\x0a').  Had to change interface to TkDisplayChars in order
-to do this (added flags argument).
-
-2/29/92 (bug fix) Change Tk not to update size and position of top-level
-windows directly during calls like Tk_ResizeWindow.  Instead, wait until
-actual event is received.  This makes updates happen at same time as
-callbacks.
-
-3/6/92 (bug fix) TkMenubutton.c was dumping core when a menubutton was
-pressed at a time when there was no associated menu for the button.
-
-3/6/92 (new feature) Added Tk script library directory with official
-Tk initialization file "tk.tcl".  Other procedures used by Tk are in
-other files.  Tk procedures and variables all have names starting
-with "tk_".  Also added Wish startup script "wish.tcl", which sources
-both the Tk and Tcl startup scripts.  This means that things like
-auto-loading and abbreviation expansion are now available in wish.
-Added new variables tk_library, tk_priv, and tk_version.
-
-3/6/92 (new feature) It's now possible to set bindings for whole
-classes by using the class name in the bind command.  For example,
-"bind Button <Enter> {puts stdout Hi!}" will cause a message to be
-printed whenever any mouse button is entered.  Can also use "all"
-to set bindings for all widgets.  Widget-specific bindings override
-class bindings which override "all" bindings.
-
-3/6/92 (reorganization) Changed buttons (all flavors) and listboxes to
-eliminate all hard-wired behavior.  Instead, default behavior is set
-by class bindings in tk.tcl.  Also set up class bindings for menus,
-menubuttons, and entries, which previously had no default behavior at
-all.  Scrollbars and scales still have hard-wired behavior that can't
-be overridden.
-
-3/7/92 (look-and-feel change) Changed listboxes and entries and menus
-to use button 2 for scanning instead of button 3.  This is more consistent
-with the official Motif use of button 2 for dragging.
-
-3/10/92 (new features) Added more options to "winfo" command:  screencells,
-screendepth, screenmmheight, screenmmwidth, and screenvisual.
-
-3/13/92 (bug fix) Event sharing mechanism (tkShare.c) wasn't checking
-to see whether window was mapped before sharing events with it.
-
-3/16/92 (bug fix) Tk_SetInternalBorderWidth was passing wrong window to
-geometry-management procedures, causing core-dumps when menu buttons
-had their border widths changed.
-
-3/16/92 (bug fix) Menus were setting their geometry directory rather
-than using Tk_GeometryRequest mechanism.
-
-3/17/92 (new feature) Added -cursor option to all widgets to set the
-active cursor for the widget.  Also added TK_CONFIG_ACTIVE_CURSOR
-configure type.
-
-3/18/92 (new feature) Implemented generalized screen coordinates to
-allow resolution-independent specification in many cases (but pixel-
-based coordinates are still OK).  Added Tk_GetScreenMM(),
-Tk_GetPixels(), new configure types TK_CONFIG_SCREEN_MM and
-TK_CONFIG_PIXELS.  Changed widgets to use this new configure types
-wherever possible (a few of the more complex cases still haven't
-been taken care of yet).  Added "pixels" and "fpixels" options to
-"winfo" command.
-
-3/18/92 (new feature) First cut at canvas widgets is done and part of
-the official Tk now.  Canvases display text and structured graphics,
-and allow you to bind commands to events related to the text and
-graphics.
-
-3/21/92 (new feature) Added new "place" command.  It implements a
-new geometry manager that provides fixed placement, rubber-sheet
-placement, and combinations of the two.  Eliminated the commands
-"move", "resize", and "map" that were provided by main.c but never
-officially supported;  the placer provides all of this functionality.
-
-3/23/92 (bug fix) Fixed bug in tkWm.c where top-level windows were
-occasionally not being given the right size.  The problem occurred
-when a string of resizes happened all in a row (such as deleting all
-the windows in an application and then recreating them).
-
-3/23/92 (new feature) Added Tk_CoordsToWindow procedure and
-"winfo containing" command.  These may be used to locate the window
-containing a given point.
-
-3/28/92 (new feature) Added "-exportselection" option to listboxes,
-so that listbox selection need not necessarily be the X selection.
-
-4/12/92 (bug fix) Changed menu buttons to store name of menubutton
-in the associated variable, rather than the name of the menu.  This
-is necessary in order to allow several menu buttons to share the
-same menu.
-*** POTENTIAL INCOMPATIBILITY ***
-
-4/12/92 (bug fix) Fixed core dump that occurred in tkError.c when
-removing the first error record from the error list.
-
-4/15/92 (bug fix) Fixed bug in tkBind.c that prevented <KeyPress-1>
-event specifications from being processed correctly:  the "1" was
-treated as a button name rather than a keysym.
-
-4/18/92 (new feature) Added Tk_DefineCursor and Tk_UndefineCursor
-procedures.
-
-4/18/92 (new feature) Major revision to listboxes.  Can now scroll and
-scan in both x and y, plus -exportselection option allows selection not
-to be exported.  The "view" widget command has been replaced by "xview"
-and "yview", and the "scan" widget command has a new syntax.
-*** POTENTIAL INCOMPATIBILITY ***
-
-4/18/92 (new feature) Added -exportselection option to entries, so you
-can select whether you want the entry selection to be the X selection
-or not.
-
-4/24/92 (new features) Added TK_CONFIG_CUSTOM type to Tk_ConfigureWidget,
-plus added new flags TK_CONFIG_NULL_OK, TK_CONFIG_DONT_SET_DEFAULT,
-and TK_CONFIG_OPTION_SPECIFIED.  Several other new types, such as
-TK_CONFIG_CAP_STYLE, were also added as part of implementing canvases.
-
-4/29/92 (bug fix) Changed "-selector" default for menus to have separate
-values for mono and color.
-
-4/30/92 (bug fix) Fixed bug in tkListbox.c where it occasionally generated
-bogus scroll commands (last index less than first).
-
-4/30/92 (reorganization) Moved demos directory to "library/demos".
-
----------------------- Release 2.0, 5/1/92 -------------------------
-
-5/2/92 (bug fix) Fixed problem in tkListbox.c where it was doing too many
-redisplays after repeated insertions.  Also reduced number of invocations
-of scrollbar commands.
-
-5/7/92 (portability improvement) Changed main.c not to use TK_EXCEPTION
-flag;  it isn't needed and it causes problems on some systems.
-
-5/9/92 (bug fix) Plugged core leaks in tkListbox.c and tkBind.c
-
-5/9/92 (bug fix) TkBind.c was accidentally deleting bindings during
-attempts to print non-existent bindings.
-
-5/11/92 (bug fix) Maximum name length for applications (name used in
-"send" commands) was too short (only 20);  increased to 1000.  Also
-fixed bug related to over-long names that caused core dumps.
-
-5/13/92 (bug fix) tkShare.c was using a dangling pointer if a share
-group was deleted as a side-effect of a shared event.
-
-5/13/92 (bug fix) Various initialization and core leak problems in
-tkGC.c, tkSend.c, tkMenu.c, tkEvent.c, tkCanvas.c, tkCanvPoly.c,
-tkCanvLine.c, tkListbox.c, tkEntry.c.
-
-5/13/92 (bug fix) Empty entries could be scanned off the left edge,
-displaying a garbage character.
-
-5/13/92 (bug fix) Fixed a few problems with window manager interactions,
-such as tendency for windows to spontaneously shrink in size.  By no
-means are all of the problems fixed, though.
-
-5/13/92 (performance optimization) Changed Tk_GeometryRequest not to
-invoke geometry manager unless requested size has changed.
-
----------------------- Release 2.1, 5/14/92 -------------------------
-
-5/1/92 (new features) Added flags like TK_IDLE_EVENTS to Tk_DoWhenIdle,
-plus added "idletasks" option to "update" command.  Tk_DoWhenIdle arguments
-look different now, but the change should be upward-compatible.
-
-5/17/92 (new feature/bug fix) Added support for VisibilityNotify events
-to the "bind" command.  For some reason they weren't supported previously.
-
-5/17/92 (new feature) Added "tkwait" command.
-
-5/17/92 (new feature) Added "grab" command.
-
-5/17/92 (new feature) Added "-width" option to messages.  Also changed
-messages to use the computed (i.e. desired) line length when displaying,
-not the actual width of the window.
-
-5/17/92 (bug fixes) Did some more fiddling with tkWm.c in the hopes
-of improving window manager interactions.  Now there won't be more than
-one configure request outstanding to the wm at a time.
-
-5/17/92 (bug fix) Arrowheads on canvas lines weren't being translated
-or scaled correctly.
-
-5/20/92 (bug fix) Page-mode scrolling didn't work correctly for canvases
-(wrong windowUnits was passed to scrollbars).
-
-5/20/92 (bug fix) Changed scrollbars not to lose highlight when pointer
-leaves window with button down.  Also changed redisplay to double-buffer
-for smoother redraws.
-
-5/21/92 (new feature) Added "gray50" and "gray25" as predefined bitmaps.
-
-5/22/92 (new feature) Buttons can now be disabled using the "-state" and
-"-disabledforeground configuration options.  The "activate" and "deactivate"
-widget commands for buttons are now obsolete and will go away soon.
-Please change Tcl scripts not to use them.
-
-5/23/92 (new feature) Entries can now be disabled using the "-state"
-config option.  Also improved class bindings for entries to keep the
-cursor visible in the window when operations occur.  Also made slight
-improvements in the way redisplay is done.
-
-5/23/92 (new feature) Added "-textvariable" option to entries so that
-the text in an entry can be tied to the value of a global variable in
-a fashion similar to buttons.
-
-5/27/92 (new feature) Added "-textvariable" and "-anchor" options to
-messages.
-
-5/28/92 (new feature) Added "-padx" and "-pady" and "-underline" options
-to menubuttons.
-
-5/28/92 (feature change) Changed "-width" and "-height" options on
-all flavors of buttons and menubuttons so that they are orthogonal
-to "-padx" and "-pady".  It used to be that -width overrode -padx
-(no padding).  Now they accumulate.
-
-5/29/92 (new feature) Added "-disabledforeground" option to menus and
-all flavors of buttons (can specify color for disabled things rather
-than just using stipple to gray out).
-
-5/29/92 (new features) Added many new options to menu entries:
--activebackground, -background, -font, -state, -underline.  The
-"disable" and "enable" widget commands for menus are now obsolete
-and will go away soon.  Please change Tcl scripts not to use them.
-
-5/29/92 (new features) Added "atom" and "atomname" options to "winfo"
-command.
-
-5/29/92 (new feature) Wrote tk_listboxSingleSelect procedure, which
-can be used to change listbox behavior so that only a single item is
-selected at once.
-
-6/1/92 (new feature) Added new modifier names "Meta" and "Alt" for
-"bind" command.
-
-6/3/92 (new feature) Added "winfo toplevel" command.
-
-6/3/92 (new feature) Made several changes for greater Motif compliance,
-including:
-    - menu retention if you click and release in the menu button,
-    - keyboard traversal of menus (see traversal.man)
-    - no widget flashing if you set $tk_strictMotif to 1
-
-6/15/92 (bug fix) Fixed problem in tkBind.c where command string for a
-binding could get reallocated while the command was being executed (e.g.
-bindings that delete or change themselves).
-
-6/15/92 (bug fix) Don't allow "tabWidth" field to become zero in tkFont.c:
-can cause core dumps for fonts that don't enough information to compute
-tab widths.
-
-6/19/92 (bug fix) Fixed bug in binding mechanism that caused structure-
-related events to be reported both to the correct window and its parent.
-
-7/14/92 (bug fix) Changed tkColor.c not to free colors for visual types
-StaticGray or StaticColor.
-
-7/15/92 (new feature) Text widgets now exist.  They display any number of
-lines of text with a variety of display formats, and include hypertext
-facilities.  See the manual page for details.
-
-7/20/92 (bug fix) If a top-level window was put in the iconic state to
-begin with, it could be deiconified with "wm deiconify .foo" until it had
-first been deiconified by hand from the window manager.  Tk was getting
-confused and thought the window was mapped when it wasn't.
-
-7/29/92 (bug fix) Don't permit rectangles or ovals to have zero-sized
-dimensions.  Round up to at least one pixel.
-
-7/29/92 (new features) Major upgrade to canvases:
-    - new item types: arc, window, bitmap
-    - added Bezier spline support for lines and polygons
-    - rectangles and ovals now center their outlines on the shape,
-      rather than drawing them entirely inside the shape
-    - new "coords" and "bbox" widget commands
-    - new "-tags" option for all item types.
-    - new "-confine" option to prevent scrolling off edge of canvas.
-
-8/6/92 (new feature) Added "-width" and "-height" options to frames.
-The "-geometry" option is now obsolete and should be removed from Tcl
-scripts:  it may go away in the future.
-
-8/7/92 (bug fix) Error messages in Tk_ParseArgv were sometimes including
-the option name where they should have included its value.
-
----------------------- Release 2.2, 8/7/92 -------------------------
-
-8/7/92 (bug fix) Changed tkCanvas.c to be more conservative in the area
-it passes to XCopyArea.
-
-8/8/92 (bug fix) Fixed bug in tkTextDisp.c that sometimes caused core
-dumps when text views changed (e.g. typing return on last line of screen).
-
-8/8/92 (bug fix) Fixed bug in menu.tcl that caused errors when using
-keyboard to traverse over separator menu entries.
-
-8/10/92 (bug fix) Changed to use OPEN_MAX instead of MAX_FD to compute
-maximum # of open files.
-
-8/10/92 (bug fix) Canvases weren't updating scrollbars on window size
-changes.  They also weren't recentering canvases on window size changes.
-
-8/10/92 (bug fix) There were still a few places where commands were being
-invoked at local level instead of global level (e.g. commands associated
-with buttons and menu entries).
-
-8/10/92 (bug fix) TkBind.c used to ignore explicit shift modifiers for
-all keys (i.e. <Shift-Tab> was treated the same as <Tab>).  Modified to
-allow explicit request for shift modifier, like <Shift-Tab>.
-
-8/13/92 (feature change) Changed default fonts to request "Adobe" fonts
-explicitly.
-
-8/16/92 (bug fixes) Modified tkCanvArc.c and tkTrig.c to increase slightly
-the bounding boxes for arcs, in order to make sure that proper redisplay
-occurs when arcs are moved (little turds were getting left behind).
-
-8/16/92 (bug fix) Modified tkCanvas.c not to redraw at all if the redisplay
-area is off the screen.  Also, only do a background clear for the portion
-of the redraw area that is on-screen.  Also, reduced size of off-screen
-pixmaps used for redisplaying, which speeds up redisplay in some cases.
-
-8/19/92 (bug fix) Canvases that were taller than wide were not being
-redisplayed properly.
-
-8/20/92 (new feature) Added Tk_CreateGenericHandler procedure for trapping
-all X events (useful for tracing, watching non-Tk windows, etc.).
-
-8/21/92 (bug fix) Widgets weren't always being notified when they got
-the focus back again (the problem had to do with grabs and menus in
-particular).
-
-8/21/92 (new feature) Added "-state" option to scale widgets.
-
-8/22/92 (new feature) Changed tkBitmap.c to allow tilde-substitution
-to occur in bitmap file names.
-
----------------------- Release 2.3, 8/24/92 -------------------------
-
-8/27/92 (bug fix) Changes to -activebackground and -activeforeground options
-for menubuttons were being lost.
-
-8/27/92 (bug fix) Entries were selecting last character when a B1-drag
-occurred past the right edge of the text.
-
-8/28/92 (bug fix) Fixed bug in canvases where a grab during a button
-press caused the canvas state to lock up so that it didn't select a
-new current item.
-
-9/7/92 (bug fix) Changed tkMenu.c to accept numerical menu indices that
-are out of range;  now it just rounds them off to the nearest existing
-entry.
-
-9/7/92 (bug fix) Fixed bug in tkTextDisp.c that caused core dumps when
-invoking "yview -pickplace" widget command on texts that are too small
-to hold any lines at all.
-
-9/11/92 (bug fix) Fixed bug in tkTextDisp.c that caused core dumps
-when adding tags to non-existent lines.
-
-9/11/92 (bug fix) Line items in canvases didn't permit an empty fill
-color (i.e. couldn't make them transparent).
-
-9/14/92 (reorganization) Changed manual entries to use .1, .3, and .n
-extensions.  Added "install" target to Makefile to suggest how Tk should
-be installed.
-
-9/16/92 (bug fix) Changed tkSend.c to always specify the root window of
-screen 0 rather than using DefaultRootWindow.  DefaultRootWindow doesn't
-always go to screen 0 on displays with multiple screens, which can result
-in send's not being possible between the screens.
-
-9/18/92 (new feature) Added three new options to "wm" command: "protocol",
-"client", and "command".  These provide support for window manager protocols
-such as WM_DELETE_WINDOW and WM_TAKE_FOCUS, plus support for the
-WM_CLIENT_MACHINE and WM_COMMAND properties.
-
-9/30/92 (new feature) Implemented color model support, including
-"tk colormodel" command and Tk_GetColorModel and Tk_SetColorModel
-procedures.  These allow you to force mono operation even on a color
-display.  Also changed color allocation not to give errors when colors
-run out, but just to switch to a mono color model.
-
-10/1/92 (bug fixes) Fixed two bugs in tkTextBTree.c that caused core dumps
-during text deletion.
-
-10/5/92 (bug work-around) Changed tkColor.c to ignore errors when freeing
-colors.  This is needed to work around improper reference count management
-for colormap entries under X11/NeWS.
-
-10/7/92 (new feature) Added support for different visual types, including
-procedures Tk_SetWindowVisual and Tk_SetWindowColormap, plus macros
-Tk_Visual, Tk_Depth, and Tk_Colormap.  The code for this was contributed
-by Paul Mackerras.
-
-10/7/92 (new feature) Added Tk_IsTopLevel macro.
-
-10/12/92 (bug fix) Fixed bug in tk.tcl that caused torn-off menus with
-cascaded children not to track mouse motion correctly (the cascade
-switched in response to mouse motions within the cascaded child).
-
-10/12/92 (new feature) Major changes to focus handling:
-(a) Tk watches FocusIn and FocusOut events for focus changes, not Enter
-    and Leave, so it will work better with explicit-focus-model window
-    managers (e.g. mwm in default mode).
-(b) Tk generates FocusIn and FocusOut events for the focus window now.
-    The old procedural interface (via Tk_CreateFocusHandler) is obsolete
-    and is no longer used inside Tk.  It is still supported for
-    compatibility, but won't be for long.  You should change your code
-    to use FocusIn and FocusOut events instead.
-(c) The model for FocusIn and FocusOut events is different than the
-    one described in Xlib documentation.  See the "focus" manual entry
-    for details.
-(d) If there is no input focus then keyboard events are discarded.  They
-    used to be directed to the mouse pointer window, although this wasn't
-    documented.  The focus now defaults to the root window.
-*** POTENTIAL INCOMPATIBILITY ***
-
-10/15/92 (bug fix) Fixed text items in canvases where they didn't
-display the insertion cursor if the item had no characters in it.
-
-10/26/92 (bug fix) Fixed bug in tkSelect.c that occasionally caused
-BadWindow X protocol errors when retrieving the selection.  Tk wasn't
-making sure that a window existed before using it to retrieve the
-selection.
-
-10/30/92 (feature change) Changed canvases so that if the scroll region
-is smaller than the window and -confine is on, the scroll region isn't
-forced to be centered in the window;  it can be anywhere that meets the
-confinement restrictions.
-
-11/2/92 (new feature) Added "winfo exists" command.
-
-11/5/92 (new feature) Changed DoWhenIdle handlers so that if a new
-when-idle handler is created as a side-effect of another when-idle
-handler, the new handler isn't invoked until Tk has first checked
-for other events to process.
-
-11/6/92 (bug fixes, new features) Major overhaul of window manager
-interface:
-(a) Tk should now work with virtual-root window managers;
-(b) windows will now place more accurately on the screen and stay where
-    they're supposed to;
-(c) size changes handled more reliably;
-(d) code now works robustly in the face of withdrawals followed
-    immediately by deiconifications.
-(e) Added new procedure Tk_GetVRootInfo and new options to "winfo" command:
-    vrootx, vrooty, vrootwidth, vrootheight.
-(f) Added "overrideredirect" option to "wm".
-(g) Fixed bug where change in width-only via "wm geom" didn't always work
-   (min and max window sizes weren't being set properly for the wm).
-
-11/6/92 (bug fixes) Modified menus so that they work correctly with
-virtual root window managers.  Also fixed bug where menus didn't move
-along with their associated windows, so that the menu popped up at
-the old location of the window rather than its new location.
-
-11/9/92 (new constraint) Made it illegal to give windows names that
-start with upper-case letters, since such names will goof up the
-option database by appearing to be classes rather than names.
-*** POTENTIAL INCOMPATIBILITY ***
-
-11/10/92 (new feature) Added Postscript output to canvases.
-
-11/13/92 (bug fix) Changed default for maximum size passed to window
-manager from 1000000 (which causes some wm's to make windows too large
-when "maximized") to the size of the display.
-
-11/14/92 (feature change) Major overhaul of menubuttons and pull-down
-menus.  Removed event-sharing code, including Tk_ShareEvents and
-Tk_UnshareEvents.  The -variable option for menubuttons has been
-removed,and the "post" and "unpost" widget commands for menubuttons
-no longer exist.  The "post" widget command for menus no longer
-allows a group option.  The procedure tk_menus has been replaced
-with a new procedure, tk_menuBar, which has a slightly different
-interface.
-*** POTENTIAL INCOMPATIBILITY ***
-
-11/20/92 (new features, feature changes) Major overhaul of grab
-mechanism to produce more correct event streams.  Also changed Tcl
-commands to require explicit window for grab releases (makes it
-possible for grabs to work on multiple displays simultaneously).
-The old "grab none" command no longer exists, but new options
-have been added: "current", "release", "set", and "status".
-*** POTENTIAL INCOMPATIBILITY ***
-
-11/20/92 (new feature) Use TK_LIBRARY environment variable to set library
-directory location, if it is defined.  Otherwise fall back on usual
-compiled-in value.
-
-11/25/92 (bug fix) "wm grid" command was using wrong window.
-
-11/29/92 (bug fix) Fixed core dump that occurred when trying to use
-placer on top-level windows: return error instead.
-
-11/29/92 (bug fix) Selection retrieval wasn't making sure that the window
-on whose behalf selection is being retrieved actually exists.
-
-12/3/92 (new feature) Added support for Mode_switch key to support the
-full ISO character set.  Also added event handlers for MappingNotify
-events so that Tk updates itself in response to keycode and modifier
-changes.
-
-12/6/92 (bug fix) Ignore recursive attempts to destroy window.
-
-12/9/92 (new demos) Added "tcolor" and "rmt" demos.
-
-12/10/92 (new features) Added "yposition" widget command for menus,
-changed "delete" widget command to take an optional second index,
-and changed -command option for cascade entries so that it is
-invoked when the entry is activated rather than when it is invoked.
-*** POTENTIAL INCOMPATIBILITY ***
-
-12/12/92 (implementation change)  Changed the procedures Tk_FreeBitmap,
-Tk_NameOfBitmap, Tk_SizeOfBitmap, Tk_FreeCursor, Tk_NameOfCursor, and
-Tk_FreeGC to require an addition Display argument.  This is needed for
-Tk to function correctly when an application has windows on multiple
-displays.
-*** POTENTIAL INCOMPATIBILITY ***
-
-12/12/92 (new feature) Started creating a test suite.  Right now it
-only has a few tests.
-
-12/12/92 (new feature) Modified the packer so that a window can be
-packed in descendants of its parent (used to be restricted to the
-parent alone).  This makes it possible to hide extra windows used
-for geometry management.  Also, can use generalized screen distances
-in the "pack" command.
-
-12/16/92 (feature change) Boolean options such as -exportselection now
-print as 0/1 rather than true/false (both the default and current values
-print this way).  This makes it easier to use these values in expressions.
-*** POTENTIAL INCOMPATIBILITY ***
-
-12/16/92 (name change) The classes "RadioButton" and "CheckButton" have
-been renamed "Radiobutton" and "Checkbutton" for consistency.  From now
-on widget class names will have exactly one capital letter.
-*** POTENTIAL INCOMPATIBILITY ***
-
-12/16/92 (new feature) Added -setgrid option to listboxes.
-
-12/16/92 (new feature) The "destroy" command, and the "delete" widget
-command for canvases, now accept any number of arguments, including
-zero.
-
-12/16/92 (new feature) Changed internal TkBindError procedure to
-Tk_BackgroundError and exported it to Tk clients.
-
-12/16/92 (option name change) Changed the place command's "dependents"
-option to "slaves" for better consistency with documentation.
-*** POTENTIAL INCOMPATIBILITY ***
-
-12/16/92 (name changes) Renamed the "cursor*" options in entries and
-canvases to "insert*".  Also renamed the "cursor" index to "insert" and
-the "cursor" widget command to "icursor".  This was done to avoid
-confusion between the mouse cursor and the insertion cursor.
-*** POTENTIAL INCOMPATIBILITY ***
-
----------------------- Release 3.0, 12/17/92 -------------------------
-
-12/17/92 (bug fix) Fixed dangling-pointer bug in canvases that occurred
-if a <LeaveNotify> binding deleted the current item.
-
-12/18/92 (bug fix) Core dump occurred if "wm" invoked with no arguments.
-Also, tkWm.c wasn't properly setting WM_CLASS property on application
-startup.
-
-12/18/92 (incorrect documentation) Updated manual entries for Tk_FreeGC,
-Tk_FreeCursor, and Tk_FreeBitmap to reflect new interface that requires
-"display" argument.
-
-12/18/92 (missing documentation) Added documentation for the canvas
-"postscript" command, which was missing in the 3.0 release.
-
-12/21/92 (bug fixes) There were lots of problems with the new installation
-targets in the Makefiles, such as using "cp -f" and not installing
-prolog.ps.  Made several other miscellaneous improvements to Makefile.
-
-12/21/92 (bug fix) Arrowheads on canvas line items weren't moving properly
-after coordinate changes made with the "coords" widget command.
-
-12/21/92 (bug fix) If top-level window was initially withdrawn, couldn't
-ever deiconify it again.
-
-12/21/92 (bug fix) Double-button event sequences didn't always trigger
-properly when grabs were in effect.
-
-12/22/92 (bug fix) The packer didn't display any top or bottom windows
-after a left or right expanded window, and vice versa.  Also made the
-distribution of space among expanded windows more even.
-
-12/28/92 (new features) Several improvements to selection:
-(a) Added procedures Tk_ClearSelection and Tk_DeleteSelHandler.
-(b) Added "clear" and "own" options to "selection" command, extended
-    "handle" option to delete handlers.
-(c) Error returns from "selection handle" scripts are now turned into
-    selection retrieval errors ("no such selection") rather than an
-    empty selection.
-(d) Tk responds automatically for targets APPLICATION (name of application,
-    so you can "send" to it) and WINDOW_NAME (name of window within
-    application.
-(e) Added test file "select.test" to test suite.
-
-12/28/92 (bug fix) Fixed problem with flashing menus that occurred
-because menu.tcl was willing to unpost and then immediately repost
-the same menu.
-
-1/6/93 (bug fix) Test for UnmapNotify events in tkPack.c used = instead
-of ==.
-
-1/21/93 (bug fix) Changed many widgets to eliminate use of
-DefaultVisualofScreen, DefaultColormap, etc. and use the visuals
-and colormaps for the actual windows instead.  Also changed to
-inherit colormaps and windows from parent by default.
-
-1/21/93 (new features) Added new winfo options "cells", "depth", and
-"visual".
-
-1/23/93 (bug fix) Fixed problem with text display that could result
-in negative XCopyArea heights being sent to X server.  This causes some
-servers (e.g. some versions of OpenWindows) to crash.
-
-1/25/93 (new feature) Added -postcommand option to menus, so that menus
-can be reconfigured before each posting.
-
-1/29/93 (feature change) Changed %X and %Y in bindings so that they
-refer to the virtual root rather than the true root.  Although
-potentially incompatible, this change should almost always "do the
-right thing".
-*** POTENTIAL INCOMPATIBILITY ***
-
-1/31/93 (bug fix) Changed "send" code to grab server while updating
-the registry property (before this fix, two programs could allocate
-the same interpreter name if they started up simultaneously).  In
-order to make this fix I had to change the code for reclaiming
-names of dead interpreters in a way that sometimes allows dead
-interpreters to persist in the registry.
-
-2/1/93 (feature change) Changed entries to allow leftmost "visible"
-character to be the end of the text (i.e. no characters actually visible).
-This is needed so that the cursor can be displayed even if the last
-actual character is too wide to fit in the window.
-
-2/3/93 (bug fix) Fixed two bugs in tkFocus.c:  (a) FocusIn events
-were getting lost in some cases because the focus window hadn't been
-created yet (e.g. new top-level window pops up underneath the mouse);
-(b) Tk was accidentally triggering FocusOut events when the mouse
-moved from a top-level window to one of its children.
-
-2/4/93 (new feature) Added "visibility" option to "tkwait" command to make
-it easier to wait for a new window to appear on the screen.
-
----------------------- Release 3.1, 2/5/93 -------------------------
-
-2/10/93 (installation improvements) Makefile improvements:  added RANLIB
-variable for easier Sys-V installation, changed to use INCLUDE_DIR
-properly, and added SHELL variable for SGI systems.
-
----------------------- Release 3.2, 2/11/93 -------------------------
-
-2/11/93 (new feature) Added "wm state" command, and improved wm so that
-the right thing will happen if you invoke "wm iconify" when a window is
-withdrawn.
-
-2/14/93 (bug fix) When -colormap option was used in generating Postscript
-for canvases, Tk didn't add an extra space after the color command.
-
-2/14/93 (new feature) Changed "extern" declarations in tk.h to "EXTERN",
-which will use the definition of EXTERN from tcl.h and work correctly
-in C++ programs.
-
-2/18/93 (bug fix) Item-specific bindings weren't getting deleted from
-canvas items when the items were deleted.  As a result, they could
-suddenly re-appear for new items if the new items were allocated a
-record at the same addresses as the old ones.
-
-2/18/93 (feature reversal) Changed "after" back again, so that it sleeps
-*without* responding to events when it is invoked with just one argument;
-can always use tkwait plus after with additional arguments to achieve
-the effect of responding to events.
-*** POTENTIAL INCOMPATIBILITY ***
-
-2/20/93 (bug fix) Fixed bug in tkWindow.c where colormaps weren't being
-set correctly for new top-level windows on different screens than their
-parents (the bug results in X protocol errors: "invalid Colormap
-parameter").
-
-2/22/93 (bug fix) Changed "#!/usr/local/wish" in demo scripts to
-"#!/usr/local/bin/wish" to reflect new location of binary.
-
-2/22/93 (new feature) Added new reliefs "groove" and "ridge".
-
-2/25/93 (new feature) Added new built-in bitmaps:  "error", "hourglass",
-"info", "question", "questhead", and "warning".  Also added new demo in
-"widget" to display all of these (under the Miscellaneous menu).
-
-2/25/93 (improved implementation) Changed DrawText procedure in
-prolog for outputting Postscript from canvases to use stringwidth
-instead of charpath+pathbbox:  avoids limitcheck problems with long
-strings, and also properly includes space characters in calculation.
-
-2/25/93 (bug fix) Fixed several bugs in library/menu.tcl that caused
-menu traversal to mis-behave when menu had no entries.
-
-2/26/93 (new feature) Added "wm frame" command.
-
-3/6/93 (bug fix) Mwm in click-to-focus mode was goofing up grabs so that
-pull-down menus were sometimes unresponsive.  Modified tk.tcl to ignore
-the spurious B1-Enter events generated by mwm, plus modified tkGrab.c to
-release simulated button grabs correctly.
-
-3/8/93 (bug fix) Tk had wrong interpretation of "lbearing" font metric,
-which caused text to be displayed at the wrong horizontal position in
-several places (labels/buttons, listboxes, canvas text, scales).  This
-change will cause slight changes in the way certain widgets are
-displayed.
-
-3/12/93 (bug fix) Fixed core dumps that occurred in tkEntry.c because of
-zero values in entryPtr->avgWidth.
-
-3/12/93 (bug fix) Tk_CoordsToWindow was using root coordinates always.
-Changed to use virtual-root coordinates when a virtual-root window
-manager is being used.  Before this fix, "winfo containing" didn't
-return the correct window under virtual-root window managers.
-
-3/18/93 (bug fix) Modified tkWm.c so that Tk doesn't fight with window
-manager over position of window;  it just takes what the window manager
-gives it.
-
-3/21/93 (new feature) Changed menus to display cascade entries with
-standard Motif arrows at right side.a
-
-3/22/93 (bug fix) Fixed bug in tkPack.c that was causing memory to
-get trashed with the integer value 1.
-
-3/22/93 (bug fix) Canvas text didn't print correctly if it contained
-an open paren (or other special character) immediately followed by
-an octal digit.
-
-3/22/93 (bug fix) Text widgets didn't redisplay properly in cases
-where two or more groups of lines both got taller at the same time
-(e.g. from tag changes), causing two separate bit copies where the
-first bit copy's target area overlapped the source area for
-the second bit copy.
-
-4/1/93 (bug fix) Changed canvases to use ISO Latin-1 font encoding
-if that's supported by the Postscript interpreter.  Also added workaround
-for bug in NeWSprint related to stipple fills.
-
-4/1/93 (bug fixes) Made various changes to focusing and grabs to
-eliminate extraneous focus events and generally improve behavior.
-
-4/2/93 (bug fix) Modified tkWm.c not to wait indefinitely for the window
-manager to map or reconfigure a window:  this led to deadlock in some
-situations, such as creating a new top-level window with a grab held.
-
-4/19/93 (bug fix) Fixed another bug in tkWm.c that caused windows to walk
-across the screen in some situations.  Also fixed problem where rapid
-posting and unposting of cascaded submenus (or menus?) could cause Tk
-to become confused about whether or not a window is mapped (added
-TkWmUnmapWindow procedure to make top-level unmaps synchronous).
-
-4/24/93 (feature change) Changed the "after" command to allow times
-less than or equal to 0, and to use 0 whenever they occur.
-
-4/26/93 (new feature) Implemented security check for "send" as proposed
-by Bennett Todd: incoming sends are now rejected unless (a) xhost-style
-access control is enabled and (b) the list of authorized hosts is
-empty.  In other words, you have to use xauth to use send.  This feature
-can be disabled by setting the TK_NO_SECURITY flag at compile-time.
-
-5/15/93 (improvement) Switched to use Tcl_PrintDouble whenever returning
-real values as Tcl results.  This potentially allows higher precision.
-Switched to use %.15g whenever printing reals in Postscript files.
-However, the change Tcl_PrintDouble causes incompatibilities.  For
-now, it's disabled with a macro in tclInt.h that redefines Tcl_PrintDouble.
-Tk 4.0 will delete the macro, and you can also delete it now if you
-want the better (but incompatible) behavior.
-
-5/19/93 (bug fix) Fixed divide-by-zero problem that could occur in
-closeness calculations for canvas oval items.
-
-5/30/93 (bug fix) PROP and CONFIG were accidentally #defined to the same
-value in tkBind.c, which could cause incorrect %-substitutions in event
-bindings in a few exotic cases.
-
-6/4/93 (improvement) Changed to use GNU autoconfig for configuration.
-Makefile format changed, and Tcl is no longer automatically included
-in Tk releases.
-
-6/7/93 (bug fix) Fixed off-by-one error in rounding negative coordinates
-during redisplay of canvases.
-
-6/9/93 (feature improvement) Modified default bindings for entries to
-keep one character visible to the left of the cursor during backspaces.
-
-6/18/93 (feature improvement) Added patchlevel.h, for use in coordinating
-future patch releases, and also added tk_patchLevel variable to make the
-patch level available in scripts.
-
-6/26/93 (bug fix) Fixed numeric problems in scales that occurred with
-very large scale values.
-
-6/26/93 (bug fix) Polygon items in canvases could cause core dumps if
-the "coords" widget command was used to add one new coordinate.
-
-6/26/93 (bug fix) Changed canvases to handle large stipple patterns
-gracefully (stipples used to jump around during redisplay and lose
-coherency).
-
-7/1/93 (syntax change, new feature) Implemented the new packer syntax
-as described in the book.  For now the old syntax will continue to be
-supported too.  Converting over is straightforward except (a) use
-"-anchor" instead of "frame", and (b) padding is different (separate
-internal and external padding, plus pad amounts are *on each side*
-instead of total).  Also added "pack propagate" command for keeping
-the packer from setting the master's requested size.
-
-7/1/93 Changed copyright notices.  The effect is the same as with the
-old notices, but the new notices more clearly disclaim liability.
-
-7/7/93 (new feature) Added support for window stacking order.  Windows
-will now stack in the order created (most recent on top), plus "raise"
-and "lower" commands may be used to restack (Tk_RestackWindow procedure
-is available from C level).
-
-7/7/93 (reorganization) Moved main.c to tkMain.c, reorganized it to
-call Tcl_AppInit just like tclsh does, and added argv0 variable to contain
-application name, and added default Tcl_AppInit procedure for wish.
-Also added tkTest.c to hold C code for testing.
-
-7/7/93 (new feature) Added new Tk-specific "exit" command, which cleans
-up properly before exiting.  It replaces the Tcl "exit" command, and
-can be used in place of "destroy .".
-
-7/9/93 (new features) Added tk_dialog library procedure that creates
-dialogs with a bitmap, message, and any number of buttons.  Also changed
-default tkerror procedure to use tk_dialog plus offer the user a chance
-to see a Tcl stack trace.
-
--------------------- Release 3.3 Beta 1, 7/9/93 -------------------------
-
-7/12/93 (configuration changes) Eliminated leading blank line in
-configure script;  provided separate targets in Makefile for installing
-binary and non-binary information; fixed -lnsl and -lsocket handling
-in configure; added autoconf support for fd_set type; check for various
-typedefs like mode_t and size_t, and provide substitutes if they
-don't exist; don't include tkAppInit.o in libtk.a; try to locate the
-X includes and library in all of the standard places for various systems.
-
-7/14/93 (new feature) Modified tkMain.c so that it stores the value
-of the -display command-line option into the DISPLAY environment
-variable, if it is specified.
-
-7/15/93 (feature removal) Removed auto-initialization feature from
-Tk_ConfigureWidget, so that you must once again initialize all fields
-of a widget record before calling Tk_ConfigureWidget.  This restores
-the behavior back to what it was in Tk 3.2.
-
-7/16/93 (bug fix) Modified tkBind.c to ignore the Caps Lock modifier
-unless it is explicitly requested in a binding.  Without this fix,
-buttons and menus and other things didn't work if the Caps Lock key
-was active.
-
--------------------- Release 3.3 Beta 2, 7/21/93 -------------------------
-
-7/21/93 (new feature) Change "make install" so that it will modify the
-#! lines on demo scripts to reflect the place where the wish binary
-is installed.
-
-7/23/93 (new feature) Added Tk_MainWindow procedure that returns the
-main window associated with a Tcl interpreter.  This is intended for
-use by Tcl_AppInit and other initialization procedures.
-
-7/24/93 (configuration improvements) Changed configure script not to
-omplain about "fd_set" missing if it's defined in <sys/select.h>.
-
-7/28/93 (bug fix) "Bad Match - parameter mismatch" errors were
-sometimes occurring when several top-level windows got created
-at the same time, due to wrong choice of sibling when stacking
-windows.
-
-8/14/93 (new feature) Added support for tcl_prompt1 and tcl_prompt2
-to wish main program:  makes prompts user-settable.
-
-8/19/93 (bug fix) Bindings to event sequences like "aD" never matched
-because the Shift key has to be pressed before D.  Modified Tk to
-ignore extraneous keypresses if they are for modifier keys.
-
-8/26/93 (configuration changes) Added Tk_Init, modified Tcl_AppInit
-procedures to use it and Tcl_Init.  Added support for .wishrc file.
-
-8/28/93 (new feature) The main window is now a legitimate toplevel
-widget.
-
--------------------- Release 3.3 Beta 3, 8/30/93 -------------------------
-
-9/2/93 (bug fix) The packer wasn't always relaying out a master after
-changes to some of the configuration options of its slaves.
-
-9/2/93 (bug fix) The binding mechanism made it impossible for patterns
-like <Double-ButtonRelease-1> to ever match.
-
-9/2/93 (bug fix) Fixed core dump that occurred for bitmap canvas items
-if Postscript is generated but no -bitmap option has been specified.
-
-9/4/93 (enhancement) Slight improvements to menu traversal:  set menu
-traversal bindings for menubar window in tk_menuBar, plus trigger
-traversal on <Any-Alt-Keypress> instead of <Alt-Keypress>.
-
-9/9/93 (bug fix) Changed tkBind.c so that the Num_Lock key doesn't
-prevent events from triggering bindings.
-
-9/9/93 (bug fix) Changed tkOption.c to always fetch RESOURCE_MANAGER
-property from root window of screen 0, rather than using default
-screen.
-
-9/9/93 (bug fix) Entry widgets weren't allocating quite enough width
-for themselves.  Fixed this and changed the size computation to match
-what's done for buttons and texts.
-
-9/16/93 (bug fix) Changed tkMain.c not to call exit C procedure directly;
-instead always invoke "exit" Tcl command so that application can redefine
-the command to do additional cleanup.
-
--------------------- Release 3.3, 9/29/93 -------------------------
-
-9/30/93 (bug fix) Packer wasn't unmapping slaves when master got deleted.
-
-9/30/93 (bug fix) Binding event sequences such as <Right> were being
-misprinted as ASCII characters such as "S".
-
-10/6/93 (bug fix) Canvases weren't unmapping window items when the canvas
-got unmapped, which caused problems for window items whose windows weren't
-descendants of the canvas (they got left on the screen).
-
-10/7/93 (feature change) NULL proc arguments to Tk_CreateFileHandler used
-to have a special undocumented meaning (fd was display);  eliminated this
-special interpretation.
-
-10/7/93 (configuration change) Eliminated dependency of tkMain.c on
-tkInt.h and tkConfig.h, so that it's easier for people to copy the file
-out of the source directory to make modified versions.
-
-10/8/93 (bug fix) 3.0 introduced a bug where the class of the application
-wasn't being set properly, so options based on the application class
-weren't triggering.  Fixed by adding new argument to Tk_CreateMainWindow.
-
-10/11/93 (bug fix) Fixed bug in tkTextBTree.c where some deletions would
-cause core dumps due to halfwayLinePtr not getting set correctly.
-
-10/18/93 (bug fix) Fixed a couple of bugs that made it hard to actually
-display N characters in an entry with "-width N" (tended to scroll the
-entry so that only N-1 characters were visible at once).
-
-10/22/93 (bug fix) During configuration, XINCLUDE_DIR and XLIBRARY_DIR
-weren't overriding xmkmf like they were supposed to.
-
-10/23/93 (new feature) Allow negative scale factors in canvas "scale"
-widget command.
-
-10/23/93 (bug fix) Grabs weren't being cleaned up right if the grab
-window was deleted, causing core-dumps in some cases.
-
-10/23/93 (bug fix) tk_TextSelectTo wasn't checking to be sure that
-the "anchor" mark exists.
-
-10/27/93 (bug fix) Fixed core dump that could occur in a text widget if
-the scroll command modifies the text.
-
-11/1/93 (bug fix) Change texts so that the -yscrollcommand option is
-invoked at display time, not when the window is re-layed out.  This
-eliminated various core dumps that could occur if -yscrollcommand modified
-the text.
-
--------------------- Release 3.4, 11/04/93 -------------------------
-
-Note: there is no 3.5 release.  It was flawed and was thus withdrawn
-shortly after it was released.
-
-11/12/93 (bug fix) TkMain.c didn't compile on some systems because of
-R_OK in call to "access".  Changed to eliminate call to "access".
-
--------------------- Release 3.6, 11/26/93 -------------------------
-
-11/10/93 (bug fix) Packer and placer didn't always reposition a window
-correctly if it was managed inside a neice or lower descendant (using
-"-in" option) and the neice's parent moved.
-
-11/24/93 (bug fix) Fixed time problem in selection (retrievals could
-fail if retriever hasn't received any X events since selection was
-made, so that time of retrieval appears to be older than time of
-selection).  Selection code is now much less picky about times, both
-on retrieving and supplying sides.
-
-12/2/93 (new feature) Changed arrow-head drawing code for canvas
-lines to draw a 0-width outline in addition to filling the area:
-this produces much nicer, more symmetrical displays.
-
-12/2/93 (bug fix) When colors ran out, Tk was invoking "tkerror"
-when its state was internally inconsistent, which could cause
-core dumps in some situations (e.g. if tkerror used the same color
-that caused colors to run out).  Changed notification to occur
-as a when-idle handler.
-
-12/3/93 (bug fix) During a global grab, Tk wasn't including PointerMotion
-in the list of grabbed events, so pointer motion couldn't be tracked
-outside the grabbing application.
-
-12/3/93 (bug fix) Canvases didn't handle smoothed lines correctly
-when they only contained two points.
-
-12/3/93 (bug fix) Fixed bug in tkWindow.c where certain kinds of
-errors during window creation could cause Destroy events to be generated
-for a window that was never completely initialized.
-
-12/13/93 (bug fix) Fixed bug in tkTextDisp.c that resulted in core
-dumps at line 1467 under exmh.  The exact situation is that a text
-widget was being redisplayed at a time when it had a -yscrollcommand
-option but hadn't yet been mapped onto the screen.
-
-12/17/93 (bug fix) Fixed bug in tkWindow.c whereby new top-level windows
-with non-default visuals still inherited border pixmap from parent (root),
-which could cause visual clash and X error.
-
-12/17/93 (bug fix) Fixed bug in tkTextDisp.c that caused round-off
-error in the information passed to scroll commands.
-
-12/18/93 (bug fix) Fixed bug in tkPack.c that caused core dumps in
-some situations if a master with siblings packed "-in" it was deleted.
-
-12/18/93 (bug fix) Added "compat" directory to distribution, since it's
-referenced by tkConfig.h on some systems.
-
-12/18/93 (performance improvement) Improved performance of appending to
-a listbox, so that inserting N items doesn't take N**2 time.
-
-12/20/93 (bug fix) Fixed bug in canvas ovals that caused the fill color
-for the oval to stick out past the outline.
-
-1/2/94 (fixed Xlib bug) Added code to reuse X resource identifiers so
-that they won't run out in long running applications.  There are three
-new library procedures: Tk_FreeXId, Tk_GetPixmap, and Tk_FreePixmap.
-Modified all Tk code to use these procedures, so wish applications should
-now be able to run forever without running out of identifiers.
-
-1/10/94 (bug fix) tkCursor wasn't freeing pixmaps used to create
-cursors, which caused memory leaks in programs that changed cursors
-frequently.
-
-1/21/94 (bug fix) Fixed bug in scales that caused them to loop
-infinitely drawing tick-marks when -from and -to were the same.
-
-2/2/94 (bug fix) Fixed problem where messages that contained tabs
-didn't always compute the correct size, so that text spilled off
-the right edge.  The fix adds an extra "tabOrigin" parameter to
-the internal procedures TkMeasureChars, TkDisplayChars, and
-TkUnderlineChars.
-
-2/4/94 (bug fix) Fixed off-by-one problem in tkBind.c that caused
-it to read past the initialized part of dispPtr->modKeyCodes.
-
-2/7/94 (bug fix) Text widgets didn't handle grabs correctly, such
-that the "current" character got stuck if a grab occurred while a
-mouse button was down.  It would get unstuck until after the
-next button press and release.
-
-2/19/94 (bug fix) Fixed prolog.ps (prolog for Postscript printing from
-canvases) so that it correctly prints all of the characters in the
-ISO Latin-1 character set.
-
-2/19/94 (bug fix) Modified tkBind.c to save and restore the interpreter's
-result across the execution of binding scripts.  Otherwise if an event
-triggers in the middle of some other script (e.g. a destroy event during
-window creation, because there was an error in the creation command),
-the intepreter's result gets lost.
-
-2/19/94 (bug fix) Fixed bug in dealing with results of sent command
-that could cause them to get lost in some situations.
-
-2/21/94 (bug fix) Don't let user close a dialog window created by
-tk_dialog, since this would cause tk_dialog to hang:  force the user
-to select one of the dialog's buttons.
-
-2/21/94 (bug fix) Fixed bug in canvas polygons whereby they didn't
-correctly handle changes in the number of points (via "coords"
-widget command).
-
-2/23/94 (bug fix) Large bitmaps in canvases didn't print correctly
-because they overflowed the 64-KB limit on strings in Postscript.
-Changed canvas printing to split up large bitmaps into mutliple
-smaller ones for printing.
-
-2/25/94 (bug fix) The "." window was being set up with -width
-and -height options, which interfered with geometry management (any
-configuration change on "." causes the window to change size to
-200x200, then change back again).
-
-2/26/94 (bug fix) Fixed several bugs that occurred when a Destroy
-event handler for a window deleted the window's parent.
-
-3/3/94 (new features) Changes to binding mechanism:
-    - The modifiers for "Alt", "Meta", and "M" are now computed by
-      examining the modifier map, rather than being hardwired to
-      M2, M1, and M1.
-    - When processing events, one script is invoked for each object
-      in the list passed to Tk_BindEvent, rather than stopping as
-      soon as a script is invoked for some object.  The "break" and
-      "continue" commands can be used within a script to abort all
-      scripts for the event or the current one.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Added "bindtags" command so that new binding groups can be
-      defined for widgets and the evaluation order can be changed.
-    - When matching events to bindings, extra modifiers are now ignored,
-      as if "Any" were specified for every event.  The "Any" modifier
-      is still recognized, but it is ignored and is deprecated.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - In % sequences that print window identifiers (e.g. %a and %S), print
-      in hexadecimal rather than decimal, for consistence with "winfo id".
-      *** POTENTIAL INCOMPATIBILITY ***
-    - The "bind" command no longer supports the event types CirculateRequest,
-      ConfigureRequest, MapRequest, or ResizeRequest.  These event types
-      are somewhat dangerous, and they never worked anyway.
-
-3/13/94 (bug fix) Fixed numerous problems with the "wm iconwindow" command.
-It appears that this command never really worked at all, but it should
-work OK now.
-
-3/14/94 (feature changes) Removed several obsolete features:
-    - Eliminated "enable" and "disable" widget commands for menus.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Eliminated "activate" and "deactivate" widget commands for buttons,
-      checkbuttons, radiobuttons, and menubuttons.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Removed -geometry option for frames and toplevels:  it causes
-      problems when .Xdefaults files contain entries like
-      "*geometry: +0+0".  Must use -width and -height instead.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Desupported "tkVersion" variable: use "tk_version" instead.
-      *** POTENTIAL INCOMPATIBILITY ***
-
-3/16/94 (feature changes) Changes to listboxes:
-    - Eliminated -geometry option (it causes problems when .Xdefaults
-      files contain entries like "*geometry: +0+0").  Added -width
-      and -height options to use instead.
-      *** POTENTIAL INCOMPATIBILITY ***
-
-3/21/94 (bug fix) Fixed bug in tkOption.c where the option cache wasn't
-properly cleaned up after window deletion;  this could cause the wrong
-value from the option database to be used under some conditions.
-
-3/25/94 (new features) Changes to geometry management:
-    - Added Tk_MaintainGeometry and Tk_UnmaintainGeometry procedures
-      to solve problems with -in windows.  Modified the packer, the
-      placer, and canvases to use them.
-    - Changed 2nd argument to Tk_ManageGeometry from Tk_GeometryProc *
-      to a pointer to a structure with additional information about
-      the geometry manager, such as name and procedure to call when
-      slaves are stolen.
-      *** POTENTIAL INCOMPATIBILITY ***
-
-3/28/94 (new feature) Overhauled event management:
-    - Added "cancel" option to the "after" command so that you can
-      cancel previously-scheduled commands.
-    - Separated X-specific stuff from generic event management.  The
-      file tkEvent.c can now be used stand-alone without the rest of Tk.
-      See the manual entry for Tk_EventInit for information on which
-      procedures are available this way.
-    - Added Tk_CreateFileHandler2 procedure, which provides a lower-level
-      and more powerful form of file event handler.
-    - Fixed bug in Tk_DoOneEvent where an infinite loop could occur if
-      the TK_FILE_EVENT and TK_DONT_WAIT flags were set simultaneously
-      (there were bugs with several other combinations too;  all should
-      be fixed now).
-
-3/28/94 (new feature) Added "fileevent" command, which allows event-
-driven I/O in the style of Mark Diekhans' "addinput" command.
-
-4/11/94 (new feature) Better support for colormaps and visuals:
-    - Added new -colormap and -visual options to toplevels and frames.
-    - Added "winfo visualsavailable" command.
-    - Added "wm colormapwindows" command, plus support for WM_COLORMAP_WINDOWS
-      to Tk_SetWindowColormap.
-    - Added new library procedures Tk_GetVisual, Tk_GetColormap,
-      and Tk_FreeColormap.
-
-4/11/94 (bug fix) Fixed core dump that used to occur when specifying
-an iconwindow ("wm iconwindow") for a toplevel on a different screen
-than the main window.
-
-4/23/94 (new feature) Added support for images, including the following:
-    - New "image" command for creating images.
-    - Built-in image type: bitmap.
-    - New "image" item type in canvases.
-    - Labels, buttons, checkbuttons, radiobuttons, menubuttons, and
-      menu entries now support a -image option for displaying images.
-    - Tk_CreateImageType and Tk_ImageChanged procedures, for defining
-      new types of images in C.
-    - Tk_GetImage, Tk_FreeImage, Tk_RedrawImage, and Tk_SizeOfImage
-      procedures, for using images in widgets.
-
-5/1/94 (new features) Added new procedures Tk_3DVerticalBevel and
-Tk_3DHorizontalBevel.
-
-5/11/94 (new features) Major overhaul of text widgets:
-    - Implemented embedded windows and "window" widget command.
-    - Added new configuration options for tags: -justify, -lmargin1,
-      -lmargin2, -rmargin, -offset, -spacing1, -spacing2, and -spacing3.
-      See the "Display styles" widget demo for examples.
-    - Added new configuration options for texts: -spacing1, -spacing2,
-      and -spacing3.
-    - Added "tagList" option to "insert" widget command to control
-      tags on new text.  Made tagged regions so they aren't sticky on
-      either side:  new characters get a tag only if the old chars. on
-      both sides had it.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Added gravity for marks, and "mark gravity" widget command.
-    - Added horizontal scrolling, "xview" widget command, -xscrollcommand
-      option.  Changed "scan" widget commands to support horizontal
-      scrolling.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Added "search" widget command for searching (either exact matches
-      or regular expressions).
-    - New widget commands: bbox, dlineinfo, and see.
-    - Changed implementation of bindings so that Enter and Leave
-      events are not generated unless the tag has just become present
-      (or just ceased to be present) on the current character.  Also
-      changed bindings to process separately for each tag, rather than
-      having high-priority tags override low-priority ones.
-    - The "end" index now refers to the character after the last newline
-      rather than the newline itself.  You can now tag the final newline
-      and set a mark after the final newline.
-    - Deletions of the "sel" tag and the "insert" and "current" marks
-      are now ignored silently, rather than generating errors.  This means
-      you can do things like "eval .t tag delete [.t tag names]".
-
-5/19/94 (bug fix) Canvases didn't generate proper Postscript for stippled
-text.
-
-5/20/94 (new feature) Added "bell" command to ring the display's bell.
-
-5/20/94 (new feature) Incorporated "square" demonstration widget into
-tktest application.
-
-5/20/94 (new features) Changed wish application (tkMain.c):
-    - wish no longer processes the -help option.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - The wish main program is now called Tk_Main;  tkAppInit.c has a
-      "main" procedure that calls Tk_Main.  This makes it easier to use
-      Tk with C++ programs, which need their own main programs, and it
-      also allows an application to prefilter the argument list before
-      calling Tk_Main.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - The application's class is now the same as its name (except the
-      first letter is capitalized), instead of "Tk".
-      *** POTENTIAL INCOMPATIBILITY ***
-    - The -file keyword is no longer required:  the script file name can
-      be provided as the first argument without being preceded by "-file",
-      as in tclsh.  For backward compatibility the "-file" keyword is
-      ignored if it is the first argument, but it is deprecated.
-
-5/26/94 (feature removed) Removed support for "fill" justify mode from
-Tk_GetJustify and from the TK_CONFIG_JUSTIFY configuration option.  None
-of the built-in widgets ever supported this mode anyway.
-*** POTENTIAL INCOMPATIBILITY ***
-
-5/27/94 (feature change) Changed Tk to use Tk_PrintDouble everywhere
-that it converts reals to strings.  This means that floating-point
-values will be generated in some cases where integer-like values were
-generated before.
-*** POTENTIAL INCOMPATIBILITY ***
-
-6/1/94 (feature change) Renamed "pack newinfo" command to "pack info".
-The old "pack info" command is no longer available.
-*** POTENTIAL INCOMPATIBILITY ***
-
-6/20/94 (feature changes) Overhaul of entry widgets:
-    - Added "-justify" option.
-    - Added "-show" option to make entries easier to use for passwords.
-    - Added "cget" widget command.
-    - Added "selection range" and "selection present" widget commands.
-    - Added "anchor" symbolic index.
-    - Changed "-scrollcommand" option to "-xscrollcommand", "view"
-      widget command to "xview", for compatibility with other widgets.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Changed sel.last to refer to character just *after* last one
-      selected, again for compatibility with other widgets.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - For "delete" widget command, second index now refers to character
-      just *after* last one to delete.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Overhauled bindings to be more Motif-compatible and to include
-      common Emacs bindings for editing.
-    - Changed -width option:  if specified as 0, widget sizes to fit
-      its current text.
-
-6/11/94 (new features) Improved Motif compatibility:
-    - Added "-highlightwidth" and "-highlightcolor" options to all widgets.
-
-6/27/94 (bug fix) Postscript generation for text items in canvases was
-not justifying the text properly when a -width was specified that was
-longer than the longest line.
-
-6/27/94 (bug fix) "winfo exists" used to report a window as existing
-if it was in the process of being destroyed (i.e., a destroy handler
-is in the middle of execution).  Changed to report it as non-existent
-under these conditions.
-*** POTENTIAL INCOMPATIBILITY ***
-
-7/11/94 (bug fix) Selections claimed via "selection own" weren't always
-being cleared properly when the selection was claimed away.  Also fixed
-bug where Tk wasn't properly claiming the selection, if there haven't
-been any recent X events at the time of the claim.
-
-7/13/94 (feature changes) Overhaul of scrollbar widgets:
-    - New widget commands: "activate", "cget", "fraction", and "identify".
-    - New options: -activebackground, -activerelief, -highlightcolor,
-      -jump, -highlightthickness, and -troughcolor.  What used to be
-      -background is now -troughcolor, -foreground is now -background,
-      and -activeforeground is now -activebackground.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Added new syntax for "set" command, "get" result, and generated
-      commands.  Changed other widgets to use the new syntax.
-    - Moved the bindings out of C and into Tcl scripts, using the new
-      options and widget commands.  Added support for all Motif
-      bindings, plus jump scrolling and cancelling of slider drags.
-
-7/16/94 (bug fix) Canvases assumed that the Leave event for one item
-didn't modify or delete the next current item;  this could cause core
-dumps under some conditions.
-
-7/23/94 (feature change) Modified Tk_BackgroundError so that tkerror
-is invoked as an idle handler.  If tkerror generates a break exception
-then all other queued reports are aborted.
-
-8/14/94 (bug fix) "cursorOffTime" and "cursorOnTime" were confused in
-canvases, resulting in the same time being used for both.
-
-8/16/94 (bug fix) "tkwait variable" command didn't detect errors in
-variable name, such as trying to wait for an entire array.
-
-9/2/94 (new features) Overhaul of scale widgets:
-    - Floating-point values are supported now, following Paul Mackerras'
-      "fscale" widget.  Added "-resolution" and "-digits" options.
-    - Added "-variable" option to link scale to variable, following
-      Henning Schulzrinne's implementation.
-    - Added focus highlight (-highlightthickness and -highlightcolor
-      options).
-    - Added new widget commands "cget",  "coords", "identify", plus
-      improved "get";  removed wired-in bindings, added complete set
-      of Motif bindings via Tcl scripts.
-    - Changed -sliderforeground option to -background, -background to
-      -troughColor, -activeforeground to -activebackground.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Moved value label from below horizontal scales to above the scale,
-      for Motif compliance.
-
-9/9/94 (bug fix) Fixed bug in tkWm.c that caused long delays in "raise"
-command under some conditions (window already at the top of the stack).
-
-9/10/94 (new features) Overhaul of label/button/checkbutton/radiobutton
-widgets:
-    - Added focus highlight (-highlightthickness and -highlightcolor
-      options).
-    - Added new widget command "cget".
-    - Changed -selector option to -selectcolor, and changed its meaning
-      too: empty no longer means don't draw the indicator;  it means
-      don't use a special color when selected.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Added -indicatoron (controls whether indicator is displayed) and
-      -selectimage (gives special image to display when selected) options.
-    - Modified bindings to be more Motif-like, added binding for space
-      key.
-    - Changed padding defaults to give widgets correct Motif appearance
-      by default.  Also, changed to ignore padding options when displaying
-      an image or bitmap.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Can now display text on multiple lines:  newlines cause line breaks,
-      and word wrapping can be requested with -wraplength option.  Also
-      added -justify and -underline options.
-    - The -value option for radiobuttons can now have an empty string as
-      its value;  it no longer defaults to the name of the widget.
-      *** POTENTIAL INCOMPATIBILITY ***
-
-9/13/94 (new features) Modified both canvases and messages to support
--highlightthickness and -highlightcolor options plus "cget" widget
-command.
-
-9/19/94 (new features) Added Tk_UnsetGrid procedure, modified widgets
-to use it.  Also changed Tk_SetGrid so that at most one window per
-toplevel can have gridding enabled.
-
-9/23/94 (new features) Major overhaul of listbox widgets:
-    - Added focus highlight (-highlightthickness and -highlightcolor
-      options).
-    - Added new widget command "cget".
-    - Revised selection commands to support single selections as well
-      as multiple disjoint selections;  syntax of "selection" widget
-      command has changed to support this.  Added new option -selectmode
-      for specifying which mode to use.  Default is single selection;
-      tk_listboxSingleSelect procedure no longer exists.  Selections
-      now return as items separated by newlines instead of a list whose
-      elements are the items.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Extended "get" widget command to allow many items to be retrieved
-      at once.
-    - Added "bbox" widget command for finding position of an element on
-      screen.
-    - Added "activate" command to mark element with traversal focus.
-    - Extended index mechanism to support new types of indices:
-      "active", "anchor", "@x,y".
-    - Added "see" widget command.
-    - Revised bindings to include all Motif features except for AddMode.
-    - If -width or -height option is <= 0, the widget requests a size just
-      large enough to hold all of its text.
-
-10/6/94 (new features) Overhaul of menubuttons:
-    - Added focus highlight (-highlightthickness and -highlightcolor
-      options).
-    - Added new widget command "cget".
-    - Added -indicatoron option to display option menu indicator.
-    - The -menu option must be a child of the menubutton.
-      *** POTENTIAL INCOMPATIBILITY ***
-
-10/6/94 (new features) Overhaul of menu widgets:
-    - Added new widget commands "cget" and "entrycget".
-    - Changed the implementation of tear-off menus to be more
-      Motif-like;  added -tearoff option for specifying whether
-      tearoff entry is displayed.
-    - Changed interpretation of "@y" index:  it now returns the
-      closest entry, rather than "none" if y is outside the menu's
-      range.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - The -menu option for a cascade entry must now be a child of
-      the menu.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Added "type" widget command, so that you can query the type of
-      an entry.
-    - Added -foreground, -activeforeground, -selectcolor, -indicatoron,
-      -image, and -selectimage options to menu entries.
-    - Changed "selector" menu option to "selectColor" for Motif compliance.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Added -relief option for menus, just for consistency with other
-      widgets (it was implicitly "raised" before).
-
-10/6/94 (feature change) Completely overhauled the bindings for menus
-and menubuttons.  They now fit better with other Tk 4.0 facilities,
-such as the new binding mechanism, and they provide better Motif
-compliance (e.g. keyboard traversal of submenus).  Also, the bindings
-now support option menus, popup menus, and proper Motif tear-off
-menus.
-
-10/6/94 (obsolete features) The procedures tk_menuBar and
-tk_bindForTraversal are no longer needed in Tk 4.0.  They still exist
-for compability, but they do nothing.
-
-10/6/94 (new procedures) Added "tk_popup" procedure for posting a
-popup menu, and "tk_optionMenu" for creating an option menubutton
-and its associated menu.
-
-10/6/94 (change in name) The variable "tk_priv" has been renamed
-to "tkPriv" to reflect that fact that it is private to Tk now.
-This shouldn't cause any problems, since no-one except Tk should
-have been using it before anyway (right?).
-
-10/6/94 (bug fix) Fixed bug in texts where sometimes the text would
-stop tracking mouse motion (the "current" item wouldn't get updated)
-because the text widget missed a ButtonRelease event.
-
-10/20/94 (new features) Overhauled selection code to support multiple
-selections (primary, secondary, etc.) and multiple displays:
-    - Changed "selection" command to support new options such as
-      "-displayof" and "-selection".  Old command formats are still
-      supported for compatibility, but they are no longer documented
-      and are deprecated.
-    - Changed procedures Tk_GetSelection, Tk_CreateSelHandler, and
-      Tk_ClearSelection to take additional "selection" argument.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Selection targets APPLICATION and WINDOW_NAME have been replaced
-      by TK_APPLICATION and TK_WINDOW.
-      *** POTENTIAL INCOMPATIBILITY ***
-
-10/20/94 (new features) Added support for clipboard:
-    - New "clipboard" command.
-    - C procedures Tk_ClipboardClear and Tk_ClipboardAppend.
-    - Bindings for "cut", "paste", and "copy" for text and entry widgets,
-      plus "copy" binding for listboxes.
-
-10/24/94 (bug fix) Button widgets weren't checking for errors when
-setting the values of associated variables.
-
-11/3/94 (bug fix) Fixed bug whereby Tk would hang if "exit" was invoked
-from inside a <Destroy> binding.
-
-11/15/94 (new features) Overhaul of focus mechanism:
-    - Added support for multiple displays:  separate focus windows are
-      kept for each display.
-    - Added support for keyboard traversal.
-    - Changed focus model so Tk keeps track of a focus window for each
-      top-level window and automatically sets the focus on Enter to the
-      top-level.  Tk no longer synthesizes FocusIn and FocusOut events,
-      but just uses the standard X mechanisms.  There is no "default"
-      focus window anymore; the focus reverts to top-levels by default.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Changed focus command:  eliminated "focus default" and "focus none",
-      added "-displayof" and "-lastfor" options.  An empty string is now
-      used to signify "no focus" instead of "none".
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Added library procedures tk_focusNext, tk_focusPrev, and
-      tk_focusFollowsMouse.
-    - Removed obsolete Tk_CreateFocusHandler:  must use FocusIn and
-      FocusOut events now.
-      *** POTENTIAL INCOMPATIBILITY ***
-
-11/23/94 (new features) Overhaul of "send" command:
-    - Added support for multiple displays: -displayof option to "send".
-    - Added asynchronous sends: -async option to "send".
-    - Eliminated fixed timeouts on sends:  as long as the target
-      application appears to exist, the send will wait for it.
-    - Stale entries get removed from the application registry now,
-      so "winfo interps" should never return non-existent applications.
-    - Can change the name of an application with "tk appname" command.
-      This is also the preferred way of querying the application name
-      now.
-    - The errorCode and errorInfo variables are now propagated back to
-      the sender now, so a full stack trace is available.
-    - Tk checks display security on each send now, instead of just during
-      initialization, so changes in the security status are seen immediately
-      by all applications.
-    - The above changes required changes to the data formats used for
-      communication between source and target applications, so Tk 4.0
-      applications cannot send to, or be sent from, Tk 3.6 applications.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - The procedure Tk_RegisterInterp has been replaced with Tk_SetAppName.
-      *** POTENTIAL INCOMPATIBILITY ***
-
-12/6/94 (cleanup) Eliminated "interp" argument to Tk_GetColorByValue,
-since it is no longer needed.
-*** POTENTIAL INCOMPATIBILITY ***
-
-12/7/94 (feature change) Changed the "wm" command so that top-level
-windows are now resizable by default.  You can no longer specify
-empty arguments to "wm maxsize" and "wm minsize".
-*** POTENTIAL INCOMPATIBILITY ***
-
-12/8/94 (new feature) Added new "photo" image type using code provided
-by Paul Mackerras:  currently supports only PPM "P6" format images.
-
-12/14/94 (new features) Canvas modifications:
-    - Modified the interfaces between generic canvas code and the item
-      types so that it's easy for people to write new item types outside
-      of Tk.
-    - Added support for transparent bitmap items:  just specify an
-      empty string as the background color.
-    - Changed the "xview" and "yview" commands for canvases to use the
-      new scrolling syntax.
-    - Eliminated -scrollincrement option.
-      *** POTENTIAL INCOMPATIBILITY ***
-
-12/14/94 (bug fix) Fixed bug where the dimensions of canvas arrowheads
-scaled during a "scale" widget command, but the scaling was only
-temporary and got lost on the next re-configure of the item.  The
-correct behavior is for the arrowheads not to scale.
-
--------------------- Release 4.0b1, 12/23/94 -------------------------
-
-12/26/94 (bug fix) Removed obsolete demos from Makefile (color, dialog,
-size), fixed "install" target.
-
-1/3/95 (bug fix) Fixed all procedure calls to explicitly cast arguments:
-implicit conversions from prototypes don't work when compiling under
-non-ANSI compilers.  Tk is now clean under gcc -Wconversion.
-
-1/4/95 (bug fix) Used "screenX" without ever setting it in DisplayText
-in tkCanvText.c:  caused tabs in canvas text items to get messed up.
-
-1/4/95 (bug fix) Canvases forgot to register the built-in types if
-Tk_CreateItemType was called before a canvas widget was created.
-
-1/4/95 (bug fixes) Fixed glitches in various text bindings:
-    - Up used to do nothing if the cursor was at 2.0.
-    - Right used to make the cursor invisible if it was just before
-      the final newline of the text.
-    - Control-t didn't conform to Emacs;  made it conform to GNU Emacs.
-    - Deleted Control-x binding, since it doesn't conform to anything and
-      is confusing for Emacs users.
-
-1/4/95 (bug fixes) Changed Control-t for entries just as for texts (see
-above) an deleted Control-x for entries (see above).
-
-1/4/95 (bug fix) The packer didn't map slaves unless the master was mapped;
-this could cause slaves to get "lost" so that they weren't mapped until the
-master resized.
-
-1/5/95 (bug fix) Scrollbars weren't executing the proper code the first time
-the mouse entered the widget;  this caused problems if tk_strictMotif was
-set.
-
-1/6/95 (bug fix) Fixed label/button/checkbutton/radiobutton/menubutton
-widgets to allow arbitrary screen distances when specifying -width and
--height for an image or bitmap (the manual pages already documented this
-but the code didn't implement it).
-
-1/6/95 (new feature) Added very primitive support for input methods,
-as suggested by Martin Forssen.  This should be enough for European
-character sets (Compose key) but it isn't near enough for Asian
-character sets.
-
-1/8/95 (bug fix) Fixed problem in canvas "xview" and "yview" commands
-where divide-by-zero errors could sometimes occur.
-
-1/8/95 (bug fix) New event handler didn't properly handle files for
-which both TK_READABLE and TK_WRITABLE were specified.
-
-1/11/95 (bug fix) Fixed bug with text selections:  was returning count
-too high for data, causing bogus garbage to appear when selection was
-copied.
-
--------------------- Release 4.0b2, 1/12/95 -------------------------
-
-1/27/95 (feature removal) Removed %D substitution from binding scripts:
-wasn't portable, shouldn't be used anyway.
-*** POTENTIAL INCOMPATIBILITY ***
-
-1/27/95 (new features) Added -displayof options to the commands
-"winfo atom", "winfo atomname", "winfo containing", "winfo interps",
-and "winfo pathname".
-
-1/27/95 (new feature) Added "idle" option to "after" command to run
-scripts as idle handlers.
-
-1/28/95 (new feature) Modified placer to make -x and -relx additive
-if you specify both.  Same for -y and -rely, -width and -relwidth,
-and -height and -relheight.  This makes it easy to make request such
-as "make .a 2 pixels larger than .b".
-*** POTENTIAL INCOMPATIBILITY ***
-
-1/28/95 (new feature) Improved auto-grab mechanism in canvases (which
-prevents current item from changing while a button is down):  changed
-to report Enter and Leave events for the current item while a button
-is down.  However, as before, no Enter events are reported for other
-items until the button goes up.
-
-1/28/95 (new feature) Bitmap images are now transparent if the -background
-is specified as an empty string (-maskdata and -maskfile are ignored in
-this case).  This is also the default.
-
-1/28/95 (bug fix) Tk didn't support manufacturer- or site-specific keysyms
-such as SunAudioMute.  Modified tkBind.c so that it uses XStringToKeysym
-in addition to its own hash table, so that all keysyms are now available.
-
-1/30/95 (feature change) Modified "clipboard append" so that it reclaims
-the clipboard selection if it had been previously lost, rather than just
-generating an error.  This handles certain race conditions more cleanly,
-and also allows the use of programs like "xclipboard".
-
-1/30/95 (new feature) Added -xscrollincrement and -yscrollincrement
-options to canvases.
-
-1/31/95 (bug fix) Geometry management was broken if a particular geometry
-manager claimed a slave away from itself.
-
-1/31/95 (bug fix) Fixed bug in tkVisual.c where a visual with fewer bits
-than requested was being selected in preference to one with just the right
-number of bits.
-
-1/31/95 (bug fix) Texts weren't redisplaying the padding region properly
-after changes in -padx or -pady.
-
-1/31/95 (new features) More text improvements:
-    - Extended "insert" widget command for texts to allow multiple
-      text-tagList pairs in the same command.
-    - Added -nocase option to "search" widget command.
-    - Added -overstrike option to tags.
-    - Added tab stops, via -tabs option for widget and for tags.
-
-2/10/95 (bug fix) Modified all widgets to allow renaming of widget
-commands.  Deleting a widget command will delete the widget.
-
-2/11/95 (new feature) Added -highlightbackground option to all widgets.
-
-2/14/95 (new feature) Added "insert" widget command for menus.
-
-2/15/95 (new feature) Modified text display code (for all widgets) to
-display well-known control characters like newline and backspace as
-\n or \b instead of \xa.
-
-2/15/95 (bug fix) Modified bitmap and photo image managers to delete
-the image command when the image is deleted.  Also modified them to
-allow renaming of the image command, and to delete the image if the
-image command is deleted.
-
-2/15/95 (bug fix) Fixed text widgets to allow horizontal scrolling
-even if wrapping was enabled, if a line isn't entirely visible due to
-a large character or embedded window.
-
-2/16/95 (feature change) Added "postcascade" widget command to menus,
-changed "invoke" and "activate" not to post or unpost submenus.  Also
-fixed bug in redisplay that tended to leave bits of garbage on menu
-when submenu unposted.
-*** POTENTIAL INCOMPATIBILITY ***
-
-2/16/95 (feature removal) Removed "snap back" behavior (slider
-snaps back to old position if you move the mouse outside the widet
-before releasing the button) from scrollbars and scales.
-
-2/16/95 (bug fix) The last line of a listbox wasn't being displayed if
-it was only partially visible.
-
-2/16/95 (new features) Added support for "-resolution 0" (no rounding
-of values) to scale widgets, plus smarter computation of how many digits
-to display.
-
-2/17/95 (bug fix) Fixed bug in text bindings for things like Shift-Left:
-didn't properly set the anchor position.
-
-2/20/95 (bug fix) Changed management of COLORMAP_WINDOWS property to
-add the toplevel implicitly to the end of the list if it wasn't already
-on the list somewhere.  Without this, some window managers implicitly
-put it at the front of the list, so that colormaps in internal windows
-are never used.
-
-2/20/95 (bug fix) Changed to use separate command procedures for
-button, checkbutton, label, and radiobutton commands.  This allows the
-class commands to be renamed without breaking their behavior.
-
-2/20/95 (removed feature) The "bind" command no longer supports
-"Keymap" events;  they never worked anyway.
-
-2/20/95 (bug fix) The text "search" widget command looped infinitely
-when searching an empty text.
-
-2/20/95 (bug fix) Canvases weren't redrawing their borders after
-configuration changes.
-
-2/20/95 (upgrade) Changed to use autoconf version 2.2.
-
-2/21/95 (bug fix) Fixed several bug fixes in menu bindings that occur
-when menus have no entries.
-
-2/21/95 (bug fix) Fixed bug in geometry management that caused windows
-packed -in siblings to not always be mapped and unmapped properly
-(particularly when the toplevel got unmapped and mapped).
-
-2/22/95 (bug fix) Fixed resource leak problem in tkTextDisp.c that
-caused embedded windows not to be unmapped when off-screen.
-
-2/23/95 (bug fix) "After cancel" dumped core when the script for an
-after event cancelled itself.
-
-2/24/95 (bug fix) Text and entry widgets weren't properly ignoring
-Alt-, Control-, and Meta- keystrokes, so a widget-specific binding
-for one of these resulted in the character also being inserted.
-
-2/24/95 (bug fix) Several widgets accidentally performed unsigned
-division on negative numbers, thereby losing the sign bit.  This
-mostly affected the display of images and bitmaps in buttons,
-menubuttons, and messages.
-
-2/24/95 (feature reversal) Restored old behavior of %A so that it
-returns non-printing characters as well as printing ones now.
-*** POTENTIAL INCOMPATIBILITY with Tk 4.0b2, but not with Tk 3.6 ***
-
-2/24/95 (bug fix) Duplicate "leave" events could occur for canvas
-items under some conditions, due to recursive calls to PickCurrentItem.
-Added code to detect and skip the nested calls.
-
-2/24/95 (bug fix) Fixed bug where an error could occur during the first
-keystroke in an application if its binding invoked "break".
-
-2/25/95 (new feature) Modified syntax of "search" widget command for
-texts.  The -nowrap switch and the "variable" final argument are no
-longer supported.  Instead, there is a -count switch to replace
-the final argument;  if the final argument is specified, it is now
-a stopping index for the search.  The features of -nowrap can be
-achieved now with the stopping index.
-*** POTENTIAL INCOMPATIBILITY with Tk 4.0b2, but not with Tk 3.6 ***
-
-2/27/95 (bug fix) Fixed problem that appears to prevent keyboard
-input for working under IRIX:  tkBind.c was ignoring XmbLookupString
-calls that returned a status of XLookupBoth.
-
-2/27/95 (new feature) Added Tk_GetItemTypes procedure to return
-information about available canvas item types.
-
-2/27/95 (feature change) Changed Makefile to always use install-sh
-for installations:  there's just too much variation among "install"
-system programs, which makes installation flakey.
-
-2/27/95 (bug fix) Fixed bug in tkSend.c that caused core dumps if
-the app's main window was destroyed by a destroy handler on a
-child.
-
-3/5/95 (feature change) Change separator character used in "bind +..."
-bindings from semi-colon to newline (permits bindings that are
-comments, for what that's worth).
-
-3/7/95 (bug fix/feature change) Overhauled focus code, both in C
-and in Tcl:
-    - Tk won't move the X focus in response to the "focus" command
-      unless either the application already has the focus or the
-      -force switch is specified.
-    - Tk no longer sets the X focus to anything other than top-levels;
-      it synthesizes events for FocusIn and FocusOut to children.
-    - A window no longer has to be viewable when focussed to;  Tk will
-      set the X focus later, when the window becomes viewable.
-    - Added -takefocus option to all widgets.
-    - Rewrote tk_focusPrev and tk_focusNext to use the -takefocus option.
-      These procedures no longer set the focus;  they just return the
-      next window in focus order.
-      *** POTENTIAL INCOMPATIBILITY with Tk 4.0b2, but not with Tk 3.6 ***
-    - Eliminated tk_focusContinue.
-      *** POTENTIAL INCOMPATIBILITY with Tk 4.0b2, but not with Tk 3.6 ***
-
-3/8/95 (new feature, bug fix) Added support for tk_strictMotif variable
-in C:  Tk_StrictMotif library procedure.  Modified buttons, menubuttons,
-menus to use it.  This fixes the problem with menus not supporting
-tk_strictMotif properly in Tk4.0b1 and b2.
-
-3/16/95 (feature overhaul) Overhauled color management:
-    - Changed Tk so it never denies a color request because a colormap
-      filled up.  Instead, it allocates the closest available color.
-    - Eliminated "color model" mechanism.  The "tk colormodel" command
-      is gone, as are the procedures Tk_GetColorModel and Tk_SetColorModel.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Changed 3D border implementation to allocate colors for shadows
-      lazily, so they're never allocated if they're never used.  Also
-      added new feature whereby stippling is used for borders when
-      the colormap has run out of entries.  Changed arguments to many
-      of Tk_3D C procedures to take a Tk_Window as argument instead of
-      a (Display *).  This is needed to do lazy color allocation.
-      *** POTENTIAL INCOMPATIBILITY ***
-    - Eliminated colormap argument to Tk_GetColor, Tk_GetColorByValue,
-      and Tk_Get3DBorder.
-      *** POTENTIAL INCOMPATIBILITY ***
-
-3/16/95 (feature change) Event bindings created from Tcl will now ignore
-Enter, Leave, FocusIn, and FocusOut events with detail NotifyInferior.
-This is done in anticipation of mega-widgets, so that the user of a
-mega-widget can create Enter/Leave bindings on the mega-widget without
-seeing spurious events as the mouse moves among the windows in the
-mega-widget.
-*** POTENTIAL INCOMPATIBILITY ***
-
-3/17/95 (feature change) Changed C interfaces throughout Tk to use ints
-instead of unsigneds:  the unsigneds turn out to cause subtle problems
-with arithmetic in some places, and using ints everywhere is just
-simpler.
-*** POTENTIAL INCOMPATIBILITY ***
-
-3/23/95 (bug fix) Selections longer than 4000 bytes were being
-truncated to 4000 bytes.
-
--------------------- Release 4.0b3, 3/24/95 -------------------------
-
-3/25/95 (bug fix) Changed "install" to "./install" in Makefile so that
-"make install" will work even when "." isn't in the search path.
-
-3/25/95 (bug fix) Modified Tk's selection mechanism to prevent core
-dumps in other applications during retrievals of large selections
-(this is actually a bug in the other apps, but I've patched Tk to
-keep it from getting triggered).
-
-3/25/95 (bug fix) Fixed bug where X window for "." wasn't being
-deleted.
-
-3/27/95 (bug fix) Fixed many bugs associated with having more than
-one application in a single process.
-
-3/28/95 (bug fix) The "search" widget command for texts didn't
-return the correct index and count if there were embedded widgets
-on the same line as the returned range but before the end of
-the range.
-
-3/28/95 (bug fix) Changed pasting via button 2 in text and entries
-so that it inserts at the pointer location, not the location of
-the insertion cursor.
-
-3/28/95 (bug fix) Fixed several bugs related to <Destroy> bindings
-that delete ancestors in the window hierarchy.  Also eliminated
-extraneous calls to XDestroyWindow, which speeds up window deletion
-by about 3x.
-
-3/28/95 (bug fix) Several widgets (buttons, menubuttons, menus) didn't
-properly handle image deletions that occurred while the widget was
-being deleted (caused core dumps).
-
-3/29/95 (bug fix) When retrieving long selections from text widgets,
-parts of lines were getting duplicated in the selection information.
-
-4/1/95 (bug fix) Fixed bug that caused infinite loop in horizontal
-scales with 0 range.
-
-4/1/95 (bug fix) Fixed problem with -command option for scrollbars and
--takefocus option that caused commands to be evaluated in the wrong
-context.
-
-4/1/95 (bug fix) Fixed problem with option database that caused it to
-sometimes use the wrong option (wasn't flushing the database properly
-after a change in a window's class).
-
-4/1/95 (bug fix) If a line in a text widget just barely fit in the window,
-Tk was allocating a second screen line just for the newline character.
-
-4/1/95 (new feature) When backspacing in an entry widget, when you reach
-the left edge of the widget, the insertion cursor gets recentered.
-
-4/1/95 (new features) Added "winfo pointerx" and "winfo pointery" commands
-to fetch the current pointer position.
-
-4/6/95 (bug fix) If the last line of a text widget was only partially
-visible, it was counted as visible for purposes of the scrollbar.  Now
-it is treated as if it were off-screen for scrolling purposes.
-
-4/6/95 (new feature) Modified "bell" command to reset screen saver as well.
-
-4/6/95 (feature change) Modified menu scanning (where menus pull down
-as you drag across their menubuttons) so it only works among menus
-in the same toplevel;  it used to work for any menubuttons in the
-application.
-
-4/6/95 (bug fix) Canvas text items weren't allowing real numbers in
-"@x,y" notation for specifying indices.
-
-4/7/95 (bug fix) Menus didn't display correctly when -activeborderwidth
-was large.
-
-4/7/95 (bug fix) Changed "clipboard append" command to support -- option
-and to always treat the last argument as data, even if it starts with
-"-".
-
-4/17/95 (new feature) Added -wrap option to text tags.
-
-4/18/95 (bug fix) Listboxes and texts weren't updating their grid information
-when -width or -height changed.
-
-4/18/95 (bug fix) "Down" didn't work right in text widgets if the last
-line was only partially visible in the window.
-
-4/19/95 (bug fix) Listboxes didn't handle partially visible last lines
-right:  couldn't scroll it into full visibility, for example.
-
-4/20/95 (bug fix) If a toplevel was positioned with a command like
-"wm geometry . -0-0", the window didn't reposition itself to maintain
-that geometry after a size change.
-
-4/21/95 (feature change) Changed order of binding tags so widget bindings
-fire before class bindings.  New order is: widget, class, toplevel, all.
-*** POTENTIAL INCOMPATIBILITY with Tk 4.0b3, but not with Tk 3.6 ***
-
-4/23/95 (new feature) Added "winfo colormapfull" command.
-
-4/23/95 (new feature) Buttons and radiobuttons and checkbuttons now
-treat Return the same as Space, unless tk_strictMotif is set.
-
-4/23/95 (bug fix) Modified menu tear-off procedure to duplicate the
-binding tags and bindings of the original in the copy.
-
-4/25/95 (bug fix and feature change) Modified mechanism for choosing
-"best" visual to fix a bug where depth wasn't really getting highest
-priority in all situations.
-
-4/28/95 (bug fix) Failed text searches starting at "end" could result
-in an infinite loop in Tk.
-
-4/30/95 (new feature) Added "wm resizable" command to enable and
-disable interactive resizing.
-
-4/30/95 (new feature) Added "window names" widget command to texts:
-returns a list of all embedded windows.
-
-5/2/95 (feature change) Changed text searches so that forward searches
-start at the given index, rather than the character just after the
-given index.
-*** POTENTIAL INCOMPATIBILITY with Tk 4.0b3, but not with Tk 3.6 ***
-
-5/4/95 (bug fix) Default bit gravity for windows was wrong (it was
-ForgetGravity) causing unnecessary flashing when windows were resized.
-
-5/4/95 (feature change) Modified Tk_DoOneEvent so that it doesn't
-sleep if there's nothing that will wake it up again (e.g. no file
-or timer handlers).  Returns 0 immediately.
-
-5/5/95 (configuration change) Changed to use BSDgettimeofday instead
-of gettimeofday on systems like IRIX where BSDgettimeofday is
-available.  This avoids compilation problems due to the different
-interface to gettimeofday provided by IRIX.
-
-5/5/95 (feature change) Changed binding mechanism so that all bindings
-are created immediately at initialization time, rather than waiting
-until the first FocusIn or Enter event for a class.
-
-5/6/95 (feature change) Changed default text for labels, buttons,
-checkbuttons, radiobuttons, menubuttons, and messages from " " to
-"".
-
-5/6/95 (bug fix) If the application was destroyed in the middle of
-an "update" command, Tk would dump core.
-
-5/6/95 (bug fix) Changed manual entries to use the standard .TH
-macro instead of a custom .HS macro;  the .HS macro confuses index
-generators like makewhatis.
-
-5/6/95 (bug fix) Change "wm iconwindow" command to disable button
-presses for the icon window.  This is needed so that the window
-manager can get those events (X only allows button presses to go
-to one client for a given window).
-
-5/9/95 (new feature) When specifying visuals, can now use "best"
-with a depth, e.g. "-visual {best 8}" to get the best 8-bit visual.
-
-5/18/95 (bug fix) Fixed bug with -spacing* options for text widget:
-screen distances weren't allowed, only integers.
-
-5/20/95 (bug fix) Eliminated memory leaks in tkTextDisp.c and elsewhere.
-
-5/22/95 (color change) Changed the Tk color palette to a gray scheme.
-Also added a library procedure tk_setPalette that makes it easy to
-change colors on the fly, and a procedure tk_bisque that restores the
-previous light brown scheme.
-
-5/28/95 (bug fix) Modified canvases so that the -width and -height
-options refer to the space inside the borders, not the total widget
-space.  Also changed "xview" and "yview" commands and scroll-increment
-rounding to use the pixel just inside the borders, rather than (0,0).
-
-5/28/95 (bug fix) Several widgets (e.g. entries, buttons, and menus)
-didn't properly handle unsets of variables they were tracing, if the
-variables were reference through upvars in procedures.
-
-6/4/95 (bug fix) The placer wasn't rounding window widths right when
-both -relx and -relwidth were specified (or -rely and -relheight) so
-that rounding errors accumulated.
-
-6/4/95 (feature improvement) Change parsing of text indices to handle
-weird mark and tag names better (e.g. any string ending with ".first"
-will now be parsed as a tag name, even if it contains embedded spaces,
-etc.).
-
-6/4/95 (feature change) If a font defines glyphs for control characters,
-they are now displayed, instead of translating the character to a
-backslash sequence (however, tabs and newlines are still treated
-specially;  glyphs are not displayed for these characters).
-
-6/4/95 (bug fix) Modify the implementation of "raise" and "lower" for
-toplevels so that it now works under olwm and olvwm.  It didn't use to
-work, and the problem is really in the window manager, but Tk now
-patches around it.  However, only "total" raises and lowers work:
-raising and lowering relative to a sibling still don't work under
-olvwm and olwm.
-
-6/4/95 (feature change) Modified tab code in texts so that a tab always
-occupies at least as much space as a space character.
-
-6/4/95 (bug fix) The "%t" substitution wasn't being made properly in
-Enter and Leave event bindings.
-
-6/7/95 (new feature) Added support for GIF images.  Unfortunately it's
-a bit fragile:  certain kinds of badly formed images can cause core
-dumps;  I don't know enough about the GIF reader (taken from giftoppm)
-to figure this out.
-
-6/7/95 (bug fix and feature change) Fixed PPM image reader to be more
-flexible about header formats, and added support for PGM images.
-
-6/7/95 (feature change) Added -outlinestipple option to canvas arc
-items, changed "-style arc" to use -outline as the color instead of
--fill (the old approach was pretty quirky).
-*** POTENTIAL INCOMPATIBILITY ***
-
-6/8/95 (feature change) Modified interface to Tk_Main to pass in the
-address of the application-specific initialization procedure.
-Tcl_AppInit is no longer hardwired into Tk_Main.  This is needed
-in order to make Tcl a shared library.
-
-6/8/95 (feature change) Modified Makefile so that the installed versions
-of wish and libtk.a have version number in them (e.g. wish4.0 and
-libtk4.0.a) and the library directory name also has an embedded version
-number (e.g., /usr/local/lib/tk4.0).  This should make it easier for
-Tk 4.0 to coexist with earlier versions.
-
-6/9/95 (new feature) Added -outline and -width options to canvas polygon
-items.
-
-6/9/95 (feature changed) Renamed -decimate in photo widget to -subsample
-(decimate wasn't technically correct).
-*** POTENTIAL INCOMPATIBILITY with Tk 4.0b3, but not with Tk 3.6 ***
-
--------------------- Release 4.0b4, 6/16/95 -------------------------
-
-6/19/95 (bug fix) Colors weren't being rounded correctly in canvas
-Postscript generation: caused "white" to appear slightly gray when
-the display of the canvas used only 8 bits per color.
-
-6/20/95 (bug fix) "bbox" widget command for texts didn't return
-proper width for tabs.
-
-6/20/95 (bug fix) Scrollbars didn't always work right for texts:
-couldn't scroll all the way to the bottom of the text in a single
-drag of the slider.
-
-6/20/95 (new feature) Added "delta" widget command for scrollbars
-(needed for above bug fix).
-
-6/23/95 (bug fix) Listboxes weren't properly redisplaying their
-borders when the were configured to a smaller size.
-
-6/23/95 (new feature) Added "winfo server" command.
-
-6/23/95 (bug fix) If a menu was posted, couldn't switch to another
-menu with an Alt- key.
-
-6/24/95 (new feature) Added "winfo pointerxy" command.
-
-6/25/95 (bug fix) Tk_ParseArgv referenced beyond the end of 0-length
-option names.
-
-6/25/95 (bug fix) Fixed problem in tkOption.c where "cachedWindow"
-could get garbage in it if the main window's class was changed by
-calling Tk_SetClass.
-
-6/25/95 (bug fix) Fixed two bugs in menus, one where errors in
-variable traces weren't propagated correctly and one where "invoke"
-was invoked at the wrong stack level, with the result that variable
-traces didn't have access to the right variables.
-
-6/27/95 (bug fix) tk3d.c wasn't using all the right information
-when deciding whether or not to stipple borders, so it stippled
-borders even on 16-bit true-color displays.
-
-6/28/95 (bug fix) Page up and down operations in texts could cause
-insertion cursor to drift to the right.  Changed tkTextScrollPages
-to use upper-left corner of current character, rather than center
-of character.
-
-6/28/95 (bug fix) Changed text widget so that you can't put the
-insertion cursor after the last newline in the text.
-
-6/28/95 (bug fix) Bitmap images didn't allow ~'s in file names.
-
-6/28/95 (bug fix) Fixed problem that could cause core dumps in the
-text widget when dealing with embedded windows (there were problems
-if the act of redisplaying caused the window layout to change, which
-can happen with embedded windows).
-
-6/28/95 (bug fix) Texts didn't handle indices with double negatives,
-such as ".t mark set insert {insert + -20 chars}".
-
-6/28/95 (bug fix) Fixed problem where focus didn't always revert to
-its prior window after a dialog box was dismissed.
-
-6/28/95 (bug fix) Fixed problem with "search" widget command returning
-incorrect length on some backwards regexp searches.
-
-6/28/95 (bug fix) Successive "wm iconbitmap . {}" commands could cause
-a core dump.
-
-6/29/95 (new feature) Added -elementborderwidth option for scrollbars
-so the -borderwidth can be set to 0 without flattening the arrows and
-slider.
-
--------------------- Release 4.0, 7/1/95 -------------------------
-
-7/18/95 (bug fix) %t in event bindings didn't work properly for some
-events (e.g. PropertyNotify).
-
-7/18/95 (bug fix) Changed "exec wish" lines in demo scripts to
-"exec wish4.0" to avoid version conflicts.
-
-7/18/95 (bug fix) Fixed round-off errors in scrolling for texts,
-canvases, listboxes, and entries.  The error could cause the view
-to shift up in a command like "$w yview moveto [lindex [$w yview] 0]".
-
-7/19/95 (bug fix) Canvases weren't always redrawing borders correctly
-when they became unobscured.  There were also some problems with
-improper refresh after size changes.
-
-7/19/95 (bug fix) Fixed bug in text index processing that causes
-tests textIndex-11.1 and textIndex12.1 to fail on some platforms.
-
-7/19/95 (bug fix) Fixed bug where 2-second delays were ocurring during
-"raise" and "lower" commands for toplevel windows under some window
-managers (such as fvwm).
-
-7/20/95 (bug fix) Text searches were misbehaving when there were embedded
-windows on the starting line of the search.  The most common symptom is
-that Tk would fail to find a match at the starting position for the
-search.
-
-7/22/95 (bug fix) Fixed core dump that could occur in menus if a checkbutton
-entry's -variable option referred to an array (or couldn't be read
-by the menu C code for some other reason).
-
-7/22/95 (bug fix) Text widgets didn't update their scrollbars when
-changes were made to information that was off-screen.
-
-7/25/95 (bug fix) Fixed core-dump in tkListbox.c that used to happen
-in the command ".l bbox end" if the listbox was empty.
-
-7/25/95 (bug fix) Page-up and page-down bindings for listboxes didn't
-move active element to remain on the screen.
-
-7/25/95 (bug fix) Patched around H-P compiler problem that results in
-core-dumps in tkImgPhoto.c during image handling.
-
-7/25/95 (bug fix) Fixed bug in tkImgPhoto.c that caused core dumps
-(during Tk self-tests and other image uses) on AIX and other machines
-where "schar" in tkImgPhoto.c was being defined as "short" instead of
-"char".
-
-7/26/95 (bug fix) The PPM image reader couldn't handle maximum intensity
-values other than 255.
-
-7/26/95 (bug fix) Canvases didn't redraw their borders when the relief
-changed from raised to flat.
-
-7/27/95 (bug fix) Canvases didn't set the scrolling values correctly
-when no scroll region was specified.
-
-7/28/95 (bug fix) Modified menu and tk_dialog scripts to restore any
-old grab that might have been in effect before a menu or dialog was
-posted.
-
------------------ Released patch 4.0p1, 7/29/95 ----------------------
-
-8/4/95 (bug fix) Calls to toupper and tolower weren't using the UCHAR
-macro, so they didn't always work in non-U.S. locales. (JO)
-
-8/14/95 (new feature) Added -tearoffcommand option for menus.
-
-8/16/95 (bug fix) Canvases didn't generate proper Enter and Leave
-events if the Leave handler for an item reconfigured the canvas in
-a way that made the old current item the new current item again. (JO)
-
-8/21/95 (bug fix/feature change) When -takefocus was a script, Tk
-was allowing window viewability to override it.  Changed so that
-viewability is now ignored when -takefocus is a script. (JO)
-
-8/21/95 (bug fixes) Fixed memory leaks in tkSend.c, tkSelect.c, and
-tkUnixWm.c (JO).
-
-8/21/95 (bug fix) Text widgets didn't handle commands like
-".t search -backwards foo end 1.0" properly:  never found foo. (JO)
-
-8/23/95 (new feature) Added Makefile and configure.in support for
-dynamic loading. (JO)
-
-8/25/95 (bug fix) The "frame" and "toplevel" commands couldn't safely
-be renamed, due to a kludgy way that they shared a single command
-procedure.  Split into separate procedures. (JO)
-
-8/25/95 (bug fix) Fixed bug in libary/menu.tcl that caused "grab
-window not visible" errors for popup menus (and perhaps elsewhere?). (JO)
-
-8/25/95 (bug fix / new feature) The "gray25" bitmap was really only
-12.5% on, not 25%.  Added new "gray12" bitmap that is the same as the
-old "gray25".  "Gray25" is still supported for compatibility, but its
-use is deprecated. (JO)
-
-8/25/95 (bug fix) Scrollbar bindings didn't properly handle case where
-B2 is clicked while B1 is already down. (JO)
-
-8/26/95 (bug fix) Menus were ignoring -activebackground if tk_strictMotif
-was set, but not -activeforeground.  Changed to ignore both. (JO)
-
-8/26/95 (bug fix) Scales and scrollbars didn't properly handle a
--repeatdelay value of 0 (they shouldn't auto-repeat in this case). (JO)
-
-8/28/95 (bug fix) Tcl errors were occurring for tkPriv(oldGrab) when
-clicking on a disabled option menu. (JO)
-
-8/28/95 (bug fix) Changed event-handling code to use FD_SETSIZE instead
-of OPEN_MAX, since OPEN_MAX is incorrect on some systems (e.g., IRIX). (JO)
-
-8/28/95 (bug fix) Fixed bug in photo images that caused garbling of
-image data in the "put" and "copy" commands if the source data had
-only one scan line but had a width less than the width of the target
-image. (JO)
-
-8/29/95 (bug fix) Tk used to refuse to post menus if they had no
-entries.  This made it impossible for a menu to fill itself the first
-time it is posted.  Changed to allow menus with no entries to be
-posted. (JO)
-
-8/30/95 (bug fix) If there was extra space at the bottom of a menu,
-it wasn't being redisplayed properly.
-
-8/30/95 (new feature) Added -transient option to menus.
-
-8/30/95 (new features) Added proper button 2 support to both scrollbars
-and scales (it sets the slider position from the mouse position). (JO)
-
-8/30/95 (bug fix) Fixed potential core dump that could occur in
-photo images (ReadPPMFileHeader could overflow buffer under some bad
-inputs, such as certain GIF images). (JO)
-
-8/30/95 (bug fix) Errors of the form `syntax error in expression "!"'
-could occasionally happen in tkScaleDrag. (JO)
-
-8/31/95 (new feature) Changed man page installation (with "mkLinks"
-script) to create additional links for manual pages corresponding to
-each of the procedure and command names described in the pages. (JO)
-
-9/1/95 (new feature) Added "after info" command.  Also added checks
-so that one interpreter can't cancel another's "after" events. (JO)
-
-9/8/95 (bug fix) Fixed bug that could cause memory corruption and core
-dumps if a "fileevent" handler was deleted while the handler was
-active. (JO)
-
-9/11/95 Reorganized Tk sources for Windows and Mac ports.  All sources
-are now in subdirectories:  "generic" contains sources that work on all
-platforms, "windows", "mac", and "unix" directories contain platform-
-specific sources.  (SS)
-
-9/11/95 (new feature) Added new  "notifier" mechanism to allow multiple
-implementations of the mechanisms for finding out about events.  This
-change was necessary to support Mac and PC platforms, but it may also
-allow other goodies such as combining Xt and Tk widgets in a single
-application.  See the new manual entry Notifier.3 for details. (SS)
-
-9/11/95 (feature change) Changed interface to Tk_RestrictProc so that
-(a) it takes a clientData argument instead of display and arg, and
-(b) it returns a value that can ask for the event to be discarded as well
-as deferred or processed. (SS)
-*** POTENTIAL INCOMPATIBILITY ***
-
-9/11/95 (new feature) Added TK_WINDOW_EVENTS #define, which is equivalent
-to TK_X_EVENTS but is now preferred, since it applies to all platforms. (SS)
-
-9/11/95 (feature change) Can't export variables anymore because this doesn't
-work under Windows DLLs.  Eliminated tk_NumMainWindows variable and replaced
-with procedure Tk_GetNumMainWindows. (SS)
-*** POTENTIAL INCOMPATIBILITY ***
-
-9/11/95 (new feature) Added procedure Tk_PreserveColormap to increment
-the reference count on colormaps.  Used in photo widgets. (SS)
-
------------------ Released patch 4.0p2, 9/15/95 ----------------------
-
------------------ Released 4.1a1, 9/15/95 ----------------------
-
-9/22/95 (renamed files) Changed the names of the bitmap images in the
-$tk_library/demos/images directory to use the .bmap file extension.  (RJ)
-
-9/22/95 (bug fix) Fixed bug where text widgets could occasionally
-display the insertion cursor both at the end of one line and the
-beginning of the next. (JO)
-
-9/25/95 (bug fix) Fixed bug that could cause core dumps when an
-application uses multiple screens and a binding destroys the main
-window (bind code was using MainInfo structure after it had been
-freed). (JO)
-
-9/25/95 (bug fix) Text widgets sometimes scrolled backwards on
-occasion if you dragged down past the bottom of the scrollbar. (JO)
-
-9/25/95 (bug fix) Fixed bug in menus where a cascaded submenu posted
-from a torn-off menu could be left posted if mouse was pulled off the
-end of the cascade and released. (JO)
-
-9/25/95 (new feature) Added "--" switch to wish, so that you can
-pass arguments like -n through to a script without having wish
-interpret them. (JO)
-
-9/25/95 (bug fix) Fixed core dump that could occur for radiobuttons
-and selectbuttons if -selectcolor was an empty string. (JO)
-
-9/26/95 (bug fix) Entries didn't used to notice if a trace procedure
-on the -textvariable overrode a new value set by the entry.  This
-could cause the variable to get out of sync with the contents of the
-entry. (JO)
-
-9/26/95 (new feature) Added -sliderrelief option to scales, changed
-default bindings to change the slider's relief to sunken while it's
-being dragged with the mouse. (JO)
-
-9/26/95 (bug fix) TkColor.c wasn't computing colormap size correctly;
-could result in X Protocol error for QueryColors when colormaps run
-out of colors. (JO)
-
-9/26/95 (bug fix) Wish couldn't handle script files with spaces in
-their names. (JO)
-
-9/27/95 (cosmetic clean-up) Removed extraneous spaces to make error
-messages consistent: ":  should be" is now ": should be". (JO)
-
-9/27/95 (feature change)  Modified tk_dialog so that it uses the
-option database for the -wraplength option on the message.  This
-allows the option to be overridden by the caller. (JO)
-
-9/28/95 (bug fix) Wish incorrectly parsed the command line under
-Windows, causing backslashes to be substituted. (SS)
-
-9/28/95 (bug fix) Wish now sources wishrc.tcl instead of .wishrc. (SS)
-
-9/28/95 (bug fix) Tk_DoOneEvent returned 0 under some circumstances
-when it was possible to find more work to do.  For example, if a
-signal interrupted select(), but no event handlers were triggered, it
-would return 0 even though it could still detect events by reentering
-select().  (SS)
-
-9/29/95 (bug fix) "winfo interps" caused a crash under Windows. (SS)
-
-10/1/95 (feature change) Eliminated Tk_NotifyIdle interface in favor of
-Tk_IdlePending. (SS)
-
-10/1/95 (bug fix) Turned motion event collapsing into an idle handler
-so it will be easier to move the event loop into Tcl. (SS)
-
-10/1/95 (bug fix) Fixed several problems with negative coordinates
-in canvases.  One example:  dragging a canvas rectangle with a wide
-border and fractional coordinates could leave junk on the screen
-if the rectangle was in negative coordinate space. (JO)
-
-10/2/95 (bug fix) Tk was improperly handling Enter/Leave events
-during a button grab. (SS)
-
-10/2/95 (new feature) Added support for the Macintosh do script
-('dosc') event.  Available only on the Macintosh.  (RJ)
-
-10/4/95 (new feature) Added support for compiling with VC++.
-Resulting binaries work under Win32s through NT.
-
------------------ Released 4.1a2, 10/6/95 ----------------------
-
-10/10/95 (new feature) Macintosh Tk now supports the complete set
-of X cursors that Unix Tk supports. (RJ)
-
-10/11/95 (bug fix) Tk now supports all of the X11 cursors under
-Windows.  (SS)
-
-10/11/95 (bug fix) The "wm resizable" command was missing from the
-Windows version of Tk. (SS)
-
-10/12/95 (bug fix) Macintosh Tk had problems with clipping toplevel
-windows that children of any frame other than another toplevel. (RJ)
-
-10/13/95 (bug fix) Eliminated dependency on MKS toolkit for generating
-the tk.def file from Borland object files. (SS)
-
-10/16/95 (bug fix) Fixed clipping and update problems relating to
-the raising and lowering of overlapping windows on Mac. (RJ)
-
-10/30/95 (bug fix) When focus-follows-mode (invoked via tk_focusFollowsMouse),
-was focussing on windows even in situations where keyboard traversal would
-skip the window.  Changed to use the tkFocusOK procedure so that the
-criteria for focussing are the same in both modes. (JO)
-
-11/2/95 (bug fix) Changed listbox bindings to ignore double-clicks.
-This avoids errors that used to occur if a user defined a binding
-for double-click that deleted the listbox. (JO)
-
-11/3/95 (feature change) Moved most of the Tk event loop to Tcl.  Many
-Tk_ names have become Tcl names now:
-
-TK_READABLE =>		TCL_READABLE
-TK_WRITABLE =>		TCL_WRITABLE
-TK_EXCEPTION =>		TCL_EXCEPTION
-TK_DONT_WAIT =>		TCL_DONT_WAIT
-TK_WINDOW_EVENTS =>	TCL_WINDOW_EVENTS
-TK_FILE_EVENTS =>	TCL_FILE_EVENTS
-TK_TIMER_EVENTS =>	TCL_TIMER_EVENTS
-TK_IDLE_EVENTS =>	TCL_IDLE_EVENTS
-TK_ALL_EVENTS =>	TCL_ALL_EVENTS
-Tk_IdleProc =>		Tcl_IdleProc
-Tk_FileProc =>		Tcl_FileProc
-Tk_TimerProc =>		Tcl_TimerProc
-Tk_TimerToken =>	Tcl_TimerToken
-Tk_BackgroundError =>	Tcl_BackgroundError
-Tk_CancelIdleCall =>	Tcl_CancelIdleCall
-Tk_CreateFileHandler =>	Tcl_CreateFileHandler
-Tk_CreateTimerHandler =>Tcl_CreateTimerHandler
-Tk_DeleteFileHandler =>	Tcl_DeleteFileHandler
-Tk_DeleteTimerHandler =>Tk_DeleteTimerHandler
-Tk_DoOneEvent =>	Tcl_DoOneEvent
-Tk_DoWhenIdle =>	Tcl_DoWhenIdle
-Tk_Sleep =>		Tcl_Sleep
-tkerror =>		bgerror
-
-Other than the name changes, the functions are the same.  In addition,
-there are #defines in tk.h so that the old Tk names will still work.
-tkerror and bgerror are specially hacked as synonyms, so it should be
-safe to use either one.  You should switch to the new Tcl names ASAP,
-though, since the old Tk names will eventually be desupported. (JO)
-
-11/7/95 (features removed) As part of moving the event loop to Tcl,
-the following procedures were deleted:
-    - Tk_EventInit (the presence of the event loop in Tcl should
-      make this unneccessary).
-    - Tk_CreatFileHandler2 (you can get the same effect by using event
-      sources in Tcl, but you have to modify your code to use the new
-      Tcl APIs).
-    - All of the stuff in the manual entries Notifer.3 and QueueEvent.3;
-      this has changed because the notifier got reworked when it was
-      moved to Tcl.
-*** POTENTIAL INCOMPATIBILITY ***
-
-11/7/95 (feature change)  Changed to use exit handler to cleanup windows
-in Tk, so Tk no longer needs to have a private copy of the "exit" command.
-(JO)
-
-11/7/95 (bug fix) If wish was invoked with a command-line geometry and
-a script file (e.g. "wish foo.tcl -geometry 30x20"), and if one of
-the windows created by the script used the -setgrid option, then the
-width and height from the command line were lost. (JO)
-
-11/8/95 (bug fix) The "see" command didn't work quite right for texts:
-if the window was small and you try to "see" a line just offscreen,
-Tk centered the line (actually, mis-centered it) when it should have
-aligned it at the top or bottom. (JO)
-
-11/9/95 (bug fix) The "send" command crashed if you tried to send to
-a different display with "-displayof". (JO)
-
-11/9/95 (bug fix) The Symbol font didn't print right in Postscript
-output, because of changes made to re-encode fonts to get proper
-ISO Latin1 behavior.  Changed the code not to re-encode the Symbol
-font. (JO)
-
-11/13/95 (bug fix) Fixed Makefile.in and configure.in for UNIX so that
-configure can be run from a clean directory separate from the Tcl source
-tree, and compilations can be performed there. (JO)
-
-11/17/95 (bug fix) If a window was gridded, Tk still computed the
-default maximum dimensions in pixel units, which resulted in windows
-that could grow much larger than the screen. (JO)
-
-11/17/95 (bug fix) If a menus entries were all disabled, posting
-the menu and typing Up or Down caused an infinite loop, locking
-up the screen (JO).
-
-11/19/95 (bug fix) The focus wasn't being restored properly after a
-menu selection in a cascaded menu. (JO)
-
-11/19/95 (bug fix) Menubutton's didn't stipple display their images
-differently when disabled.  Change to have the same behavior as buttons:
-the image is stippled over in the background color when the menubutton
-is disabled. (JO)
-
-11/21/95 (bug fix) Changes in display attributes such as font could
-cause core dumps in the text widget under some circumstances involving
-line wrapping. (JO)
-
-11/22/95 (bug fix/new feature)  Changed both the placer and the packer
-to ensure that slaves are unmapped whenever the master is unmapped.
-This saves time that slaves might otherwise spend trying to redisplay
-themselves when they're unmapped. (JO)
-
-11/22/95 (bug fix) Space and return keys didn't work for menus if
-they were posted via Alt-x keystrokes. (JO)
-
-11/24/95 (bug fix) tk_dialog procedure had binding for <Return> that
-always activated default binding, even if input focus was in some
-other binding.  Removed this feature, since existing focus support
-will already "do the right thing".  (JO)
-
-11/24/95 (bug fix) Both canvases and texts could dump core if a binding
-(such as ButtonRelease on an internal item) deleted the widget. (JO)
-
-11/24/95 (feature change) Replaced "configInfo" file with tkConfig.sh,
-which is more complete and uses slightly different names.  Also
-arranged for tkConfig.sh to be installed in the platform-specific
-library directory. (JO)
-
-11/24/95 (bug fix) It was possible for a slave to be placed or packed
--in itself, with unpleasant consequences.  It is now an error for the
-slave to be its own master for geometry management. (JO)
-
-11/25/95 (bug fix) The -command option of scales was sometimes being
-invoked spuriously (e.g. when the mouse moved in the scale without a
-button down).  This was because the scale wasn't rounding properly
-when setting the scale value from its associated variable. (JO)
-
------------------ Released patch 4.0p3, 11/28/95 ----------------------
-
-12/18/95 (feature change) Moved Tk_Preserve, Tk_Release, and
-Tk_EventuallyFree to Tcl, renamed to Tcl_Preserve etc.  Added #defines
-to tk.h so that the old names still work.  (JO)
-
-12/23/95 (bug fix) If a single process had > 1 Tk application, Tk
-didn't guarantee that the application names were unique, which could
-cause all sorts of confusion with "send".  (JO)
-
-12/23/95 (feature change) Eliminated Tk_CreateMainWindow and moved
-all of its functionality to Tk_Init.  All that you need to do now
-to get Tk in an application is to call Tk_Init.  Improved Tk_Init
-so that -colormap and -visual command-line arguments are now passed
-through to TkCreateFrame.  Tk_Main is much simpler now, since a lot
-of its functionality has moved to Tk_Init. (JO)
-*** POTENTIAL INCOMPATIBILITY ***
-
-12/23/95 (new feature) Added support for Tcl_StaticPackage so
-that Tk can now be loaded into slave interpreters with the "load"
-command to create new applications. (JO)
-
-12/23/95 (new features) Added support for -colormap and -visual command-
-line options for wish. (JO)
-
-1/4/95 (bug fix) Fixed keyboard code to properly handle alt-key
-sequences for international keyboards and menu-accelerators. (SS)
-
-1/5/96 (bug fix) Scrollbar code sometimes generated errors on accesses
-to tkPriv(relief) during control-clicks. (JO)
-
-1/9/96 (new feature) added the "grid" command to provide a table based
-geometry manager. (SU)
-
-1/12/96 (performance optimization) Changed the way tag information is kept
-in the text's Btree so the cost of adding and removing tag ranges is no longer
-proportional to the number of unique tags in the text.  In the old system
-the cost of adding N unique tags was O(N-squared).  The new implementation is
-optimized for tags that only cover a small amount of text, measuring from
-their earliest tag range to the end of their last range.  In the best case the
-cost of adding a tag range is unrelated to the number of unique tags, so the
-cost of adding N tags is only O(N).  In the worst case, where all tags
-cover all the text, the cost is still O(N-squared) to add N such tags.
-Deleting tags still has an O(N) cost (so deleting N tags is O(N-squared),
-but it is now a factor of 2 faster than the old system. (BW)
-
-1/12/96 (new feature) added the text "dump" operation that returns information
-about all elements in a text widget: text, tags, marks, and windows. (BW)
-
-1/12/96 (new feature) added the text "mark next" and "mark previous" operations
-to search forward and backwards for the next (previous) mark in the text. (BW)
-
-1/12/96 (new feature) added the text "tag prevrange" operation to search
-backwards for the current or previous range of a tag. (BW)
-
-1/16/96 (new feature) Added support for relative widget placement on
-the "grid" command. (SU)
-
-1/17/96 (new feature) Modified the Makefile/configure setup to support
-compiling Tk as a shared library.  Use the --enable-shared option to
-the "configure" script. (JO)
-
------------------ Released 4.1b1, 1/26/96 -----------------------
-
-2/2/96 (bug fix) Frames were getting a default size of 200x200, whereas
-there should be no default. (JO)
-
-2/2/96 (bug fix) Argc wasn't getting reset properly after Tk removed
-the arguments it understood from those on the command line. (JO)
-
-2/6/96 (bug fix) Fixed off by one error in argument parsing code under
-Windows. (SS)
-
-2/6/96 (bug fix) "wm transient" now works under Windows.  The resulting
-toplevel is created with a modal dialog box frame and will not appear
-in the taskbar under Windows '95. (SS)
-
-2/9/96 (bug fix) Changed Makefile.in to use -L and -l for Tcl and Tk
-libraries so that shared libraries are more likely to be found correctly
-on more platforms. (JO)
-
-2/14/96 (feature change) Eliminated tk_CanvasTagsOption variable because
-it can't be exported safely across DLL boundaries.  Instead, exported
-Tk_CanvasTagsParseProc and Tk_CanvasTagsPrintProc procedures for
-use by canvas type managers in creating their own custom options. (JO)
-*** POTENTIAL INCOMPATIBILITY ***
-
-2/14/96 (bug fix) "winfo pointerxy" when applied to a non-toplevel window
-crashed wish.  (SS)
-
-2/14/96 (bug fix) "tkwait visibility" would hang under Windows. (SS)
-
-2/14/96 (bug fix) Cursors were not being updated until an enter event.
-In cases where the cursor left the toplevel and reentered before Tk
-noticed, the cursor would get "stuck" until the next enter event.
-Similarly, if the cursor attribute of a window was updated while the
-mouse was in the window, the cursor would not change until the next
-time the mouse entered the window. (SS)
-
-2/15/96 (bug fix) If a top-level was resizable in one direction
-(e.g. "wm resizable . 0 1"), once the user resized it any changes
-in the internally requested size (by the widgets) were ignored,
-even for the non-resizable dimension.  Fixed to handle the two
-dimensions totally independently, so the widget's requests are
-honored as long as that dimension hasn't been set by the user. (JO)
-
-2/17/96 (bug fix) If a text widget had very long lines (e.g. more than
-32K pixels), integer overflow could occur, resulting in parts of the
-line not being visible. (JO)
-
-2/20/96 (feature change) Changed the -minsize option of grid to take
-screen units instead of pixels. (SU)
-
-2/20/96 (bug fix) grid row and column weights are compared against
-MINWEIGHT (0.001) instead of 0.0 to guard against divide by zero errors
-during weight normalization. (SU)
-
-2/20/96 (bug fix) Menu commands were not being invoked sometimes.
-There was a race condition that caused events to be processed while a
-menu was being unposted. (SS)
-
------------------ Released 4.1b2, 2/23/96 -----------------------
-
-2/23/96 (bug fix) Alt-keys invoked in torn-off and popped up menus
-caused menus to be posted in the parent toplevel. (JO)
-
-2/23/96 (bug fix) Canvases weren't always updating their scrollbars
-when they should. (JO)
-
-2/23/96 (bug fix) Fixed core dump that could occur if a WM_DELETE_PROTOCOL
-handler generated an error. (JO)
-
-2/24/96 (bug fix) Removed dependencies on Makefile in the UNIX Makefile:
-this caused problems on some platforms (like Linux?). (JO)
-
-2/24/96 (feature change) Changed text and entry widgets so that they
-set the insertion cursor before inserting during a button-2 click.
-Also made optional bindings check for tk_strictMotif at the time of
-the event, rather than at the time the bindings are created. (JO)
-
-2/24/96 (bug fix) Tk tended to crash with an X error when unsetting
-an icon window (e.g. "wm iconwindow . {}"). (JO)
-
-2/25/96 (bug fix) Wasn't removing windows from the WM_COLORMAP_WINDOWS
-property when they were deleted.  (JO)
-
-3/1/96 (new feature) Added new "bbox" widget command for entries.
-Also modified mouse bindings for entries and texts so that the
-mouse position rounds to the nearest inter-character gap, rather
-than the left edge of the character under the mouse.  This provides
-more natural selection behavior. (JO)
-
-3/1/96 (bug fix) Fixed core dump that could occur in image code if an
-image was deleted while in use in a widet, then re-used in another
-widget while "deleted". (JO)
-
-3/1/96 (bug fix) Calling wish with a single argument caused a crash
-under Windows due to an off-by-one error in the argument parsing code. (SS)
-
-3/1/96 (bug fix) Palette management was broken and resulted in
-incorrect palette realization and refresh behavior.  Also, images were
-being drawn incorrectly if they were attached to widgets that had a
-private colormap. (SS)
-
-3/2/96 (bug fix) It was possible to press the mouse button over an
-option menu, drag to a pulldown menu, and have the pulldown menu
-popup in place of the option menu.  Fixed this so that option menus
-are isolated from each other and from pulldowns. (JO)
-
-3/2/96 (bug fix) Fixed yet another bug that caused long delays when
-raising toplevel windows. (JO)
-
-3/2/96 (bug fix) Fixed bug in canvases where zero-sized rectangles
-and ovals didn't always redisplay right (could leave trailing
-garbage on screen when moved). (JO)
-
-3/2/96 (bug fix) Entry widgets reset their insertion cursor, selection,
-and view whenever the text variable changed, plus whenever a "configure"
-widget command was invoked and there was a text variable for the
-widget.  Fixed to preserve this information as much as possible. (JO)
-
-3/5/96 (new feature) Added version suffix to shared library names so that
-Tk will compile under NetBSD and FreeBSD (I hope).  (JO)
-
-3/6/96 (bug fix) Changed the way certain configure & motion events are
-reported.  This fixes several bugs in menus & "winfo rootx". (RJ)
-
-3/7/96 (bug fix) Fixed tag remove bug that showed up when draging out a
-selection.  If you had dragged left, then tried to drag back right, the
-left edge of the selection wasn't being updated because the tag remove
-wasn't doing anything. (BW)
-
-3/7/96 (bug fix) Fixed the boundary conditions of tag prevrange.  The second
-index argument wasn't effecting in stopping the search if it fell within
-a range.  The second index has to come at or before the start of a range
-for the range to be found by tag prevrange. (BW)
-
-3/7/96 (bug fix) "puts" to stdout or stderr when running from a script
-caused wish41.exe to exit silently.  Now the output is silently
-discarded without generating an error.  (SS)
-
-3/7/96 (bug fix) Fixed bug where wish was treating empty lines in the input
-as end of input, if the input came from stdin. This would cause it to
-complain about missing closing braces etc. (JL)
-
------------------ Released 4.1b3, 3/8/96 -----------------------
-
-3/9/96 (bug fix) Fixed bug in text.tcl that could cause errors in text
-widgets of the form 'can't use non-numeric string as operand of "-"'. (JO)
-
-3/12/96 (feature improvement) Modified startup script to look in several
-different places for the Tcl library directory.  This should allow tk
-to find the libraries under all but the weirdest conditions, even without
-the TK_LIBRARY environment variable being set. (JO)
-
-3/14/96 (bug fix) "wish bogus_file_name" didn't print an error message. (JO)
-
-3/14/96 (bug fix) Button-2 wasn't claiming the focus during paste
-operations. (JO)
-
-3/14/96 (bug fix) "tkwait visibility" use to hang forever if its window
-was deleted.  Now it detects this condition and returns an error. (JO)
-
-3/16/96 (bug fix) Changed configuration stuff to get dynamic loading and
-shared libraries working under AIX. (JO)
-
-3/16/96 (bug fix) Fixed core dumps that could occur when a slave interpreter
-was deleted in the middle of executin bindings. (JO)
-
-3/18/96 (new feature) Added support for Activate/Deactivate events.
-Currently, these new X events will generated only on the Macintosh. (RJ/CS)
-
-3/21/96 (bug fix) The "tag prevrange" command would fail to return the current
-range if it began at 1.0 and the starting point of the search was within
-the range. (BW)
-
-3/21/96 (configuration improvement) Changed configure script so it
-doesn't use version numbers (as in -ltk4.1 and libtk4.1.so) under
-SunOS 4.1, where they don't work anyway.  (JO)
-
-3/22/96 (bug fix) Made Tk more robust against interpreter deletion. Now it
-should be safe to delete an interpreter with a Tk application inside it,
-without first deleting the Tk application. (JL)
-
-3/26/96 (bug fix) Tk now returns results from a "send" to an interpreter
-in which the Tk application is destroyed, if the interpreter continues
-computing after the Tk application is destroyed. Previously any results
-computed after '.' was destroyed in the target interpreter were discarded
-by the "send". (JL)
-
-3/26/96 (new feature) Tk now provides a static Tktest package which is
-present only in test versions of Tk; this allows the testing commands to
-be loaded into new interpreters besides the main one. (JL)
-
-3/28/96 (bug fix) Changed the tk_dialog procedure *not* to make the
-dialog a transient for its parent.  The old behavior meant that the
-dialog did not get posted if the parent was iconified. (JO)
-
-4/5/96 (bug fix) Tk would occasionally crash when destroying toplevels
-under Windows. (SS)
-
-4/5/96 (bug fix) Fonts were not being properly deallocated, causing
-GDI resources to be consumed and never released under Windows. (SS)
-
-4/11/96 (bug fix) Toplevel windows with no specified geometry were
-always appearing in the upper left corner of the screen under
-Windows. (SS)
-
-4/11/96 (bug fix) "wm minsize" did not properly report the minimum
-size imposed by the Windows window manager. (SS)
-
-4/13/96 (bug fix) Text widgets could dump core in some cases where
-text was inserted on the top visible line. (JO)
-
-4/16/96 (bug fix) Changed menu code to ignore errors that occur when
-restoring a grab:  the old grab window might not be visible anymore. (JO)
-
------------------ Released 4.1, 4/21/96 -----------------------
-
-5/1/96 (bug fix) "option readfile" did not handle files with CRLF
-line termination. (SS)
-
-5/1/96 (bug fix) Changed to install tkConfig.sh under "make install-binaries",
-not "make install-libraries". (JO)
-
-5/7/96 (bug fix) Moved initScript in tkUnixInit.c to writable memory to
-avoid potential core dumps. (JO)
-
-5/7/96 (bug fix) Changed tk_dialog back so that the dialog box is a
-transient window again.  This is needed to make sure that the dialog
-box doesn't get obscured.  Also changed it to return -1 if the dialog
-window is deleted before the user presses a button. (JO)
-
-5/16/96 (bug fix) Fixed bug that caused core-dumps if a text widget
-with -setgrid 1 was deleted by removing its command. (JO)
-
-5/16/96 (bug fix) Fixed bug that caused Tk initialization to use improperly
-initialized variables left over from previous invocation of Tk_Init on
-another interpreter. (JL)
-
-5/16/96 (new feature) Implemented application embedding on Windows
-platforms (only Tk inside another application, not the other way yet). (JL)
-
-5/16/96 (new feature) Added C API Tk_SafeInit that adds Tk to a safe
-interpreter. (JL)
-
-5/16/96 (bug fix) Fixed bug that caused Tk initialization to use improperly
-initialized variables left over from previous invocation of Tk_Init on
-another interpreter. (JL)
-
-5/16/96 (new feature) Implemented application embedding on Windows
-platforms (only Tk inside another application, not the other way yet). (JL)
-
-5/16/96 (new feature) Added C API Tk_SafeInit that adds Tk to a safe
-interpreter. (JL)
-
-5/22/96 (bug fix) Listboxes weren't properly ignoring double clicks on
-button 1. (JO)
-
-6/12/96 (bug fix) Focus was automatically placed on new toplevels.
-This caused the titlebar to flash during menubar traversal. (SS)
-
-6/12/96 (bug fix) Iconification of a window with a specified geometry
-by using the minimize button would leave the window in an inconsistent
-state.  When the window was deiconified using "wm deiconify", the
-window would continue to display as an icon with the deiconified
-geometry. (SS)
-
-6/12/96 (bug fix) Fixed a resource leak where the text widget was not
-freeing all of the TkRegions it created.  This fix affects all
-platforms, but is particularly important for Win32s. (SS)
-
-6/21/96 (configuration change) Added --enable-gcc switch to configure
-script to make Tk just like Tcl.  Now Tk will not use gcc unless you
-request it explicitly. (JO)
-
-7/18/96 (bug fix) Changed "configure" script to add an extra -R switch
-(or whatever is appropriate to the platform) if the X library is in a
-nonstandard place.  This guarantees that the shared library can be
-found at runtime without having to set the LD_LIBRARY_PATH variable. (JO)
-
-7/19/96 (bug fix) Fixed bug in tkImgGIF.c that cause core dumps if a
-GIF file contained multiple images. (JO)
-
-7/20/96 (bug fix) Deadlock could occur if a recursive series of send
-operations involved multiple displays. (JO)
-
-7/23/96 (bug fix) Fixed a resource leak where deallocated XIDs were
-taking up memory on Windows and Macintosh platforms. (SS)
-
-7/30/96 (bug fix) A core dump could occur if a <Destroy> handler for
-a window tried to create a child in the half-dead window.  Fixed by
-making the window's name disappear from the name table once it starts
-to be deleted. (JO)
-
------------------ Released patch 4.1p1, 8/2/96 -----------------------
-
-4/30/96 (new feature) Added support for named virtual events. New "event"
-command to define/destroy named virtual events and to programmatically
-send both real and virtual events to Tk. (CS)
-
-8/6/96 (bug fix) Entry widgets were invoking scrollbar update functions
-too often. (JO)
-
-8/9/96 (bug fix) 7/30 change above for <Destroy> handlers broke many
-things by making window available during Destroy handler.  Reworked
-fix for core dump to simply disallow creating children of half-dead
-parents. (JO)
-
-8/12/96 (bug fix) Fixed bug where using the Copy menu item on the
-Macintosh would append a NULL character at the end of the text. (RJ)
-
-8/15/96 (bug fix) Fixed Mac code so garbage wouldn't be printed in
-text and entry widgets when function & other non-printing keys were
-pressed. (RJ)
-
-8/15/96 (configuration improvement) Changed the file patchlevel.h
-to be tkPatch.h.  This avoids conflict with the Tcl file and is now
-in 8.3 format on the Windows platform. (RJ)
-
-8/19/96 (bug fix) Fixed a bug under Windows where the initial window
-position for a toplevel window was reported as +0+0, regardless of the
-actual position. (SS)
-
-8/21/96 (bug fix) If the last character on a line in a text widget was
-a space character that didn't completely fit, the text widget would
-sometimes add an extra wrap line. (JO)
-
-8/22/96 (feature change) Complete rewrite of the grid geometry manager.
-There is a new layout algorithm that produces better (but different)
-layouts in many common cases. (SU)
-
-8/22/96 (new feature) There are two new options for the grid geometry
-manager, "grid update" which forces an immediate layout calculation,
-and a "-pad" option to rowconfigure and columnconfigure that allows for
-extra space around widgets. (SU)
-
-8/22/96 (feature change) The order in which the grid geometry manager
-reports slaves is now last-managed first. (SU)
-
-8/22/96 (feature change) The column and row weights in the grid
-geometry manager are kept internally as integers, instead of floating
-point values.  Floating point values are still accepted on the command line,
-but are truncated to integers. (SU)
-
-8/22/96 (new feature) There are four new commands for opening common
-dialog boxes: tk_chooseColor, tk_getOpenFile, tk_getSaveFile and
-tk_messageBox. Native dialog boxes are used wherever available. (IL)
-
-8/22/96 (new demos) Added "fsbox", "msgbox" and "clrpick" demos. (IL)
-
-8/23/96 (feature change) Invoking the edit menu on the Macintosh now
-generates the following virtual events <<Cut>>, <<Copy>>, <<Paste>>,
-and <<Clear>> instead of faking key events. (RJ)
-*** POTENTIAL INCOMPATIBILITY ***
-
-8/25/96 (bug fix)  Fixed a bug that would cause "grid x" to dump core. (SU)
-
-8/26/96 (new feature) Added the "unsupported1" command to the
-Macintosh version of Tk.  This command will allow you to set the style
-of a new toplevel Window (much like overrideredirect).  You can use
-this to get access to all of the Native Mac window styles.  This is to
-hold you over until we get a more general solution added to the
-toplevel command. (RJ)
-
-8/26/96 (new feature) Added support to handle the zoom box on a
-Macintosh window.  (Currently, you can only get a Tk window with a
-zoom box by using the "unsupported1" command. (RJ)
-
-8/27/96 (documentation change) Removed old change bars (for changes in
-Tk 4.1 and earlier releases) from manual entries. (JO)
-
------------------ Released 4.2b1, 8/30/96 -----------------------
-
-9/5/96 (bug fixes) Fixed several bugs in file dialogs: individual files
-could be listed twice, if a long list of files were shown, and the view
-scrolled to the right, and then a different file file was shown, the
-scrollregion on the canvas wasn't being reset, so the file dialog was
-broken from then on, added an update idletasks so that the watch
-cursor was shown when the dialog was thinking. For the motif file
-dialog, fixed the weights for resizing.  On the clrpicker, fixed the
-finalColor variable which caused problems when the OK button was
-"clicked" before the dialog was mapped (in the test suite). Added Ioi's
-last changes from before he left. For message boxes, if a single button
-message box is shown (currently only 'ok'), it is set to be the default
-even if not specified. (KC)
-
-9/5/96 (bug fix) Fixed bug on Macintosh where menus would appear in a
-seemingly random location.  (RJ)
-
-9/5/96 (bug fix) Text widgets had rounding problems with the "yview"
-command that caused them sometimes to round to the line before the
-correct one. (JO)
-
-9/5/96 (bug fix) Changed grab code to retry grabs after errors where
-another application already has the grab.  This is needed to get
-around race conditions with some window managers and will hopefully
-solve the grab errors that people see occasionally. (JO)
-
-9/6/96 (bug fix) Fixed x-y coordinate confusion problem with scaling
-of window items in canvases. (JO)
-
-9/11/96 (bug fix) The open and save file dialogs would change the
-current working directory under Windows. (SS)
-
-9/12/96 (bug fix) The Tk event system was delivering events to dead
-windows, if the event handler got reentered during a Destroy event
-handler.  This could cause core dumps and other problems. (JO)
-
-9/20/96 (bug fix) In XFillRectangles under Windows, a brush was not
-being deallocated. (SS)
-
-9/20/96 (bug fix) The Mac window manager used to generate a mouseUp
-event for a top level that was recently raised to the front/active
-window which often caused a tk(priv) error.  The up event is no
-longer generated with solves several problems. (RJ)
-
-9/25/96 (bug fix) The font code under Windows was leaking memory
-whenever a new font was referenced using the three part font names. (SS)
-
-9/26/96 (bug fix) The tests for the common dialogs still used the 'testevent'
-function.  I updated these calls in clrpick.test, msgbox.test, filebox.test
-to use the new event gereating mechanism.
-
-9/18/96 (bug fix) Long-standing bug in bind where <Button-1><Button-1> was
-reported as <Double-Button-1>, but <Double-Key-a> was reported as "aa". (CS)
-
-9/27/96 (bug fix) Bindings didn't work on 64-bit machines due to changes
-made for virtual events. (CS)
-
-9/30/96 (feature change) Binding for new virtual events included both
-lower and upper-case, e.g., <<Copy>> was defined as <Control-c> and
-<Control-C>.  Previously, widgets were directly bound to only lower-case
-bindings.  The upper-case binding caused incompatibility with some existing
-Tcl programs, so the upper case bindings for <<Cut>>, <<Copy>>, and <<Paste>>
-were removed. (CS)
-
-9/30/96 (bug fix) The postscript code in the canvas widget now uses
-channels to get and write .ps files which fixed a bug on the Mac where
-an output file would have mixed EOL characters.  In addition, I added
-the ability for the prolog to come from the Tk shared library on the
-Mac which makes it possible to have a standalone application. (RJ)
-
-10/1/96 (feature change)  "grid forget" was renamed "grid remove".  A new
-command "grid forget" was added whose semantics are the same as "pack forget"
-(SAU)
-*** POTENTIAL INCOMPATIBILITY ***
-
-10/1/96 (feature change)  grid no longer accepts floating point values for
-row or column weights, integers must be used.  (SAU)
-*** POTENTIAL INCOMPATIBILITY ***
-
-10/1/96 (feature change)  "grid {column,row}configure <master> <index>"
-returns a list of option value pairs for all of the row or column
-constraints. It used to return an error. (SAU)
-
-10/1/96 (bug fix)  "The way grid handles '^' short-cuts was re-written
-to eliminate core dumps. (SAU)
-
-10/3/96 (feature change) A virtual event binding associated with a
-given physical event is now considered less specific than a binding for
-that same physical event, all other things being equal. (CS).
-
-10/3/96 (bug fix) Under Windows text placed on the clipboard did not
-undergo CRLF translation when delivered to other applications. (SS)
-
-10/3/96 (bug fix) Copying an image onto itself with a zoom factor that
-caused the image to grow was accessing freed memory. (SS)
-
-10/3/96 (bug fix) Under Windows, the image blank subcommand did not
-work. (SS)
-
-10/10/96 (bug fix) Under Windows & Macintosh, XSetFont and XChangeGC
-were not implemented, and XSetLineAttributes did not correctly update
-the GC. (SS)
-
-10/10/96 (bug fix) Under Windows, 8-bit non-palette displays were not
-handled properly. (SS)
-
-10/10/96 (bug fix) Under Windows, images of depth other than 8 or 24
-bits were not being rendered properly. (SS)
-
-10/10/96 (bug fix) Under Windows, bitmap subimages were not correctly
-displayed. (SS)
-
-10/14/96 (bug fix) Under Window, wm resizable would constrain both
-programatic resizes as well as user resizes. (SS)
-
------------------ Released 4.2, 10/16/96 -----------------------
-
-10/17/96 (bug fix) XCopyPlane was broken under Windows and would cause
-a crash when used with a clipping bitmap. (SS)
-
-10/21/96 (bug fix) Added missing resources needed by tk_getOpenDialog
-on the Macintosh to the shared library for Tk. (RJ)
-
-10/22/96 (bug fix) Invoking a menu with an Alt key sequence caused an
-error due to a misplaced common in library/menu.tcl. (JO)
-
-10/23/96 (bug fix) Errors in files sourced by the Macintosh
-"Source..." menu are now correctly reported via the background
-error mechanism. (RJ)
-
-10/23/96 (bug fix) Fixed a bug in the Mac subwindow implementation
-that caused refreshes to not occur for canvases with embedded
-windows. (RJ)
-
-10/24/96 (bug fix) Provided workaround for Apple bug that doesn't
-handle zooming correctly for floating windows. (RJ)
-
-10/24/96 (bug fix) Macintosh tearoff menus are now correctly
-displayed as Mac floating windows. (RJ)
-
-11/1/96 (bug fix) Restored manual page for procedures like
-Tk_CreateWindowFromPath and Tk_DestroyWindow; was accidentally deleted
-when Tk_CreateMainWindow procedure was decommissioned. (JO)
-
-11/19/96 (bug fix) Fixed bugs in postscript code that would cause the
-prefix to not be included and the output file to have the wrong
-permissions. (RJ)
-
-12/2/96 (bug fix) Fixed problem with canvas lines where it didn't
-compute bounding boxes correctly for zero-width lines: this could
-potentially leave garbage on the screen when items were deleted or
-moved. (JO)
-
-12/5/96 (bug fix) Fixed the Macintosh implementation of pointer x/y
-which was returning garbage. (RJ)
-
-12/6/96 (bug fix) Fixed grid bug where the positioning of slaves was
-incorrect for non-zero values of ipadx and ipady (SU)
-
-12/6/96 (bug fix) Fixed grid bug where slaves got "lost" when an
-already managed slave is re-managed in a different master. (SAU)
-
------------------ Released 4.2p1, 12/8/96 (Mac only) --------------
-
-1/17/97 (bug fix) Fixed bug where the Tk clipboard was not in sync
-with the Macintosh clipboard on start-up.  (RJ)
-
------------------ Released 4.2p2, 1/31/97 --------------
-
-----------------------------------------------------------
-Changes for Tk 4.2 go above this line.
-Changes for Tk 4.3 go below this line.
-----------------------------------------------------------
-
-9/19/96 (improvement) Implemented table driven mechanism for deciding
-whether a command is safe. If it is added by Tk_Init and it appears in the
-table then it is kept, otherwise it is removed in a safe interpreter. (JL)
-
-10/18/96 (new feature) Added support for application embedding:
-    - Frame and toplevel widgets now have a -container option, which
-      turns the widget into a container.
-    - Toplevel widgets have a -use option for requesting that the
-      widget be embedded in another application.
-    - Wish also supports a -use command-line option.
-Embedding is fully supported under Unix, but the implementation is
-not complete under Windows or the Macintosh (it works just well
-enough to support the Tcl/Tk plugin). (JO)
-
-10/22/96 (bug fix) The commands "winfo rootx" and "winfo rooty" didn't
-work for non-toplevel windows in embedded applications: they returned
-the coordinates of the nearest toplevel. (JO)
-
-12/02/96 (new feature) Implemented Safe Tk. Tk can now be loaded into a
-safe interpreter that has been created with tcl_safeCreateInterp, by
-calling load {} Tk interpname. (JL)
-
-12/02/96 (new feature) A safe Tk interpreter can no longer generate
-postscript output from a canvas. (JL)
-
-12/02/96 (new feature) Added -channel option to photo command to allow
-image data to be read from a channel. This is useful in safe Tk
-interpreters where the data cannot be read directly from a file. (JL)
-
-----------------------------------------------------------
-Changes for Tk 4.3 go above this line.
-Changes for Tk 8.0 go below this line.
-----------------------------------------------------------
-
-9/1/96 (new features) The font mechanism in Tk has been completely
-reworked:
-    - Font names need not be nasty X LFDs: more intuitive names like
-      {Times 12 Bold} can also be used.  See the manual entry font.n
-      for details.
-    - Font requests always succeed now.  If the requested font is not
-      available, Tk finds the closest available font and uses that one.
-    - Tk now supports named fonts whose precise attributes can be
-      changed dynamically.  If a named font is changed, any widget
-      using that font updates itself to reflect the change.
-    - There is a new command "font" for creating named fonts and querying
-      various information about fonts.
-    - There are now officially supported C APIs for measuring and
-      displaying text.  If you use these APIs now, your code will
-      automatically handle international text when internationalization
-      is added to Tk in a future release.  See the manual entries
-      MeasureChar.3, TextLayout.3, and FontId.3.
-    - The old C procedures Tk_GetFontStruct, Tk_NameOfFontStruct, and
-      Tk_FreeFontStruct have been replaced with more portable procedures
-      Tk_GetFont, Tk_NameOfFont, and Tk_FreeFont.
-      *** POTENTIAL INCOMPATIBILITY ***
-(CS)
-
-9/24/96 (bug fix) Under Windows, transient windows would be destroyed
-if their master was destroyed, even if the transient window was not a
-child of the master. (SS)
-
-10/18/96 (new features) A -menu option has been added to the toplevel
-widget command, which allows a menu to operate as a menubar. On the
-Macintosh, the menubar is displayed accross the top of the main monitor,
-just like with other applications. Under Windows and Unix, the menu is
-attached to the toplevel window. Also, changed some semantics.
-Tearoff menus will now reflect changes to the menu it was
-torn off from, and are deleted when the master menu is
-deleted. Tearoffs also reflect more look-and-feel of the
-platforms they are running on. (SRP)
-
-10/31/96 (bug fix) Under Windows, missing system cursors would
-generate an error instead of falling through to the Tk cursor of the
-same name. (SS)
-
-11/7/96 (feature change) Under Unix, default borderwidth is now 1 to
-more closely approximate CDE.  (SS)
-Note: this change was undone on 6/12/97, restoring the default border
-width to 2 again.  (JO)
-
-11/7/96 (new feature) The button widget now supports a -default option
-that draws a platform specific default ring around the widget. (SS)
-
-11/7/96 (feature change) Under Windows, buttons and scrollbars now
-have native look and feel.  This affects the default class bindings
-and the way the some configuration options are interpreted.  Refer to
-the widget manual pages for more details. (SS)
-*** POTENTIAL INCOMPATIBILITY ***
-
-11/19/96 (bug fix) Under Windows, images were incorrectly drawn on
-16-bit displays. (SS)
-
-11/19/96 (bug fix) Under Windows, the class name for the main window
-(.) was not properly generated from argv0. (SS)
-
-11/20/96 (bug fix) Fixed a couple of bugs in the Canvas widget.  The
-postscript file is now created with the correct permissions.  Also,
-the prolog is now properly included in all cases. (RJ)
-
-11/22/96 (bug fix) Under Windows, the initial directory and file names
-were not properly translated before being passed to the system
-open/save file dialogs.  So forward slashes were not converted to
-backslashes, and tilde substitution was not performed.  (SS)
-
-11/25/96 (feature change) Under Windows and Macintosh, the selection
-highlight is now hidden whenever an entry or text widget loses focus.
-Also, the previous selection information is not lost when a new
-selection is made in a different widget. (SS)
-
-11/26/96 (new feature) Added support for images as primitive types in
-text widgets. (SU)
-
-11/30/96 (configuration improvement) Modified configure.in to handle the
-case where Tcl and Tk are installed in different places by including both
-their library directories in the library search path for Tk. (JO)
-
-12/3/96 (bug fixes) Fixed two bugs related to canvas lines that caused
-the screen to be incorrectly refreshed, leaving garbage on the screen.
-One bug was related to lines with width zero, and the other was
-related to lines with very long miters. (JO)
-
-12/4/96 (bug fix) The "update" command was only syncing the display
-for its main window.  Changed to sync all displays. (JO)
-
-12/5/96 (bug fix) Color deallocation would occasionally cause a panic
-under Windows. (SS)
-
-12/5/96 (bug fix) Errors during startup were silently discarded under
-Windows. (SS)
-
-12/5/96 (bug fix) Errors during startup were silently discarded under
-Windows. (SS)
-
-12/11/96 (bug fix) Text widgets weren't considering the -spacing1
-and -spacing2 options when computing their desired geometry. (JO)
-
-12/12/96 (feature change) Option menus using tk_optionMenu were
-created with command entries that set the option menu's variable in a
-command string. This has been changed so that the option menu's
-entries are now radiobutton entries so that the entries that matches
-the variable is now checked when the menu is posted. (SRP)
-
-12/12/96 (feature change) The destroy command no longer returns an
-error when a window does not exist. (SRP)
-
-12/13/96 (new feature) grid row/column-configure accepts a list of
-indices in addition to a single index. (SU)
-
-12/17/96 (bug fix) Under Windows, command line was not being parsed
-correctly if it contained the literal characters \" (CS)
-
-12/17/96 (feature change) Native Windows labels do not get a focus-ring
-border.  (CS)
-
-12/17/96 (bug fix) Under Windows, colors specified as "#XXYYZZ" where XX, YY,
-or ZZ were not valid hex digits were getting a random color value instead of
-being an error. (CS)
-
------------------ Released 8.0a1, 12/17/96 -----------------------
-
-12/23/96 (bug fix) Fixed two menu bugs:
-    - Menus could get stacked below other windows so that they weren't
-      visible when posted (especially under olvwm and fvwm).
-    - Under olvwm if you pressed button 1 over an entry in a new-style
-      menubar, the menu didn't appear until you moved the mouse slightly.
-(JO)
-
-1/6/97 (bug fix) Focus could accidentally get grabbed by an application
-away from the rightful focus owner if the focus recently changed from one
-application to another. (JO)
-
-1/6/97 (bug fix) Under Windows, the console was appearing even for
-non-interactive applications.  This was a side effect of a general
-problem with the wm state of windows that were being mapped for the
-first time. (SS)
-
-1/6/97 (bug fix) Under Windows, the initialization code was not
-looking in the right directory for the Tk libraries when the program
-being run was not in the Tcl installation heirarchy. (SS)
-
-1/8/97 (bug fix) Under Windows, the windows were not being unmapped
-properly, which led to strange packer behavior. (SS)
-
-1/8/97 (bug fix) The "winfo containing" command (and the Tk_CoordsToWindow
-procedure) didn't work properly on Unix in the presence of embedding or
-menubars. (JO)
-
-1/15/97 (bug fix) Invoking "destroy ." as the command from a menu would
-cause Tk to crash because TkMainInfo was freed before menu released its
-resources.  This bug had already been fixed for scrollbars and buttons. (CS)
-
-1/15/97 (bug fix) Tk is now working under Win32s again, including Win32
-version 1.25.  Fixed separate problems in fonts and dialogs. (CS)
-
-1/15/97 (feature change) Under Windows, font sizes are now specified in
-points, not pixels.  The mapping between pointsize and pixels depends on
-Windows having accurate metrics for the monitor (plug&play helps).  Font
-metrics are still reported in pixels. (CS)
-
-1/21/97 (bug fix)  Grid no longer reports rows or columns "out of range"
-when requesting their constraints. (SAU)
-
-1/21/97 (bug fix)  Fixed some window manager related bugs on the
-Macintosh.  Now better support global grabs. (RJ)
-
-1/21/97 (bug fix) For Windows: Fixed problems with canvas items that
-used end caps.  Fixed arc implementation to more closely approximate
-X.  Stippling now works properly on fat lines. (SS)
-
-1/21/97 (bug fix) Small interlaced GIF images were not properly
-decoded. (SS)
-
-1/21/97 (bug fix) More changes to image code to try to handle 16-bit
-displays properly under Windows. (SS)
-
-1/21/97 (bug fix) Numerous display bugs on Unix and Macintosh are now
-fixed. Numerous binding problems for menubars under Unix are now
-fixed. Deletion of menu separators under Windows is now fixed. (SRP)
-
------------------ Released 8.0a2, 1/24/97 -----------------------
-
-1/29/97 (feature change) The -transient field for menus is no longer
-supported.  There is now a -type field which is used to achieve the
-same purpose that the -transient field accomplished. When a menu is
-created, the -type field controls whether the menu is a normal
-pull-down menu, a floating tearoff menu or a menubar. This option is
-normally only used by the library code and internally by the menubar
-code. (SRP)
-*** POTENTIAL INCOMPATIBILITY ***
-
-2/5/97 (feature change) Changed the photo image mechanism to use
-Tcl_Channels instead of FILE * as an argument to image matching
-functions.  The change will make it much easier to write cross
-platform image types in Tk.  Note: FILE * is no longer used anywhere
-in Tk. (RJ)
-*** POTENTIAL INCOMPATIBILITY ***
-
-2/7/97 (enhancement) Were not allowed to bind to virtual events inside of
-canvas or text widget (e.g., "$canvas bind all <<foo>> {script}" or
-"$text tag bind sel <<foo>> {script}"); it would return an error
-disallowing that binding.  Now _can_ bind to a virtual event, but that
-binding inside of the canvas or text widget will only fire if the
-underlying virtual event definition is of type key, button, motion,
-enter, or leave; all other physical event types get filtered out by the
-widget before the virtual event mapping is done. (CS)
-
-2/22/97 (bug fix) Under Unix, "wm geometry +-20+-30" didn't work. (JO)
-
-2/24/97 (bug fix) The photo image didn't always zero out enough of its
-pixel and dither correction arrays. (JO)
-
-2/25/97 (bug fix) Fixed focus problem that could cause "BadMatch (invalid
-parameter attributes)" in X_SetInputFocus requests on Unix. (JO)
-
-2/25/97 (bug fix and new feature) Added new "gray75" bitmap, fixed
-"gray25" bitmap to really be 25% on (due to an ancient mistake, it
-had been only 12% on). (JO)
-
-2/28/97 (bug fix) Windows: made embedding work again on Win32 platform.
-Prevent iconification, deiconinification on embedded windows. (JL)
-
-3/4/97 (new feature) Added the ability to manipulate the Apple and
-Help menus on the Macintosh; the system menu on Windows; and to have a
-right justified Help menu on Unix. See the documentation for menu.n
-for more details. (SRP)
-
-3/4/97 (bug fix) Prevented core dump at exit if a <Destroy> binding on "."
-gets invoked from destroying a nested widget and the binding causes the
-interpreter to be deleted. The core dump was being caused by the
-interpreter not being Tcl_Preserve'd during the destroy of ".". (JL)
-
-3/4/97 (bug fix) Under Unix, when embedded Tk is running in a separate
-process, correctly handle a race condition: ignore cross-over messages from
-the X server for windows that Tk thinks it had already deleted, when the
-containing process deletes its container window. Some other race conditions
-still remain, e.g. with pixmaps, colormaps and images. (JL)
-
-3/10/97 (bug fix) Prevented core dump in generic console code due to
-following a NULL pointer when the console interpreter was already deleted.
-This may happen due to different orders of deletion possible at exit. (JL)
-
-3/10/97 (bug fix) Fixed bug on Mac and Windows that caused time to be
-ignored when considering if a single click was actually a double
-click. (RJ)
-
-3/11/97 (feature change) A major oversight has been that although it was
-documented that the Tk programmer was asking for a font in points (1/72 of an
-inch), under Unix and Mac Tk was actually asking for a font in pixels, while
-only under Windows was it using points.  This caused applications to appear
-much larger when run under Windows.  Now, on all platforms the (purportedly)
-correct size in points is used when asking for fonts.  However, for
-compatibility with existing tk4.2 applications that depend on fonts being of
-specified pixel size, XLFDs retain their incorrect behavior of getting a
-font in pixels.  (CCS)
-*** POTENTIAL INCOMPATIBILITY ***
-
-3/13/97 (new feature) "tk scaling" command to setup the mapping between
-pixels and points.  This scaling factor is used by all widgets that accept
-ruler distances, not just fonts. (CCS)
-
-3/24/97 (new feature) Added "-columnbreak" option to menu
-entries. When this value is "1", the entry will appear at the top of a
-new column in a non-menubar menu. Also added "-hideMargin". Together
-with "-columnBreak", menus with palettes are now possible. (SRP)
-
-3/26/97 (new features and bug fix) Titles for tearoff menus were
-broken on the Mac and Windows. Added the ability to set the title of a
-menu when it gets torn off and override Tk's automatic generation of
-the title.  On the Macintosh, whenever a menu
-label contains three dots in a row "...", the menu will instead
-display the elipses character '…'.  (SRP)
-
-3/27/97 (bug fixes) When a menu had an error executing a postcommand,
-the error information was getting lost. On Windows, a set of
-menubuttons was not highligting properly when clicking between
-windows. On Windows, post commands were getting executed twice for
-popup menus.  On Macintosh, fixed problem where menubars were not
-always current. (SRP)
-
-4/11/97 (new feature) Menubuttons now have a direction flag which
-controls where the menu popups up relative to the button. (SRP)
-
-4/24/97 (bug fix) Transient windows did not obey the resizable setting
-under Windows. (SS)
-
-4/24/97 (bug fix) wm geometry did not correctly parse negative
-coordinates. (SS)
-
-4/29/97 (bug fix) Changed the canvas polygon implementation to only
-report the coordinates specified by the end user not the automatically
-generated end point of a self closing polygon. (RJ)
-*** POTENTIAL INCOMPATIBILITY ***
-
-4/23/97 (feature change) Loosened the rules on parsing font names so that
-unix-centric fonts in scripts don't break when run on Windows or Mac.
-(1) Previously, an XLFD had to specify font name, weight, slant, and size;
-now, a minimal XLFD (such as "*-times-*") will be accepted, and all
-unspecified attributes will be given default values.  (2) Previously, in the
-{name size style ...} format, only the style was optional; now both the size
-and the style are optional; this solves the problem of old scripts that
-contain specifications of the form "-font fixed" or "-font times". (CCS)
-
-5/7/97 (new feature) Menus now send a virtual event <<MenuSelect>>
-when an item is highlighted in a menu. Applications can use this to
-implement context-sensitive help. (SRP)
-
-5/14/97 (bug fix) Fixed a race condition in the focus code where focus
-could be taken away from a window incorrectly.  Scenario is that the main
-window creates a toplevel and assigns focus to it.  When the user moves the
-mouse from the main window into the toplevel there was a race between
-two different kinds of focus events. (BW)
-
-5/20/97 (bug fix) Fixed bug where the clipboard was not rendered before
-the application exited. (SS)
-
-5/22/97 (feature change) When a Tk8.0 menu is configured, all menus
-derived from it (menubars, tearoff) mirror the changes. This was not
-true for the "-tearoff" flag. In Tk4.6, tearoff menus had the
-"-tearoff" flag turned off. Now, the "-tearoff" flag is tracked just
-as the other options are. Tearoff menus and menubars with the
-"-tearoff" option set will not display the tearoff item. This means
-that a given menu entry for a menu and a tearoff of that menu will
-match now. (SRP)
-*** POTENTIAL INCOMPATIBILITY ***
-
------------------ Released 8.0b1, 5/27/97 -----------------------
-
-5/30/97 (bug fix) Made the options to the grid command shortcut-able.
-Ie. You can now use -stick, in addition to -sticky. (RJ)
-
-6/2/97 (bug fix) Fixed bug in startup code that caused a problem in
-finding the library files when they are installed in a directory
-containing a space in the name. (SS)
-
-6/2/97 (bug fix) Virtual events associated with <Enter>/<Leave> in text
-widget tag caused panic. (CCS)
-
-6/6/97 (bug fix) On some systems, struct timeval.tv_sec is unsigned. (SS)
-
-6/6/97 (feature change) Changed -default option on buttons to take
-three states: normal, active, disabled.  This allows apps to have a
-row of buttons where the default ring moves between buttons without
-changing the geometry of the buttons.  See the button.n manual page
-for more details. (SS)
-*** POTENTIAL INCOMPATIBILITY with Tk 8.0b1, but not with Tk 4.2 ***
-
-6/9/97 (bug fix) Canvas postscript printing now works for bitmaps
-under Windows. (SS)
-
-6/10/97 (bug fix) Fixed bug in bindings for listboxes where state wasn't
-being properly initialized on Shift-1 button presses. (JO)
-
-6/11/97 (bug fix) Text widget display code did not include internal
-padding in the damage calculation for borders leading to unrefreshed
-sections on Windows and Mac. (SS)
-
-6/12/97 (feature reversal) Changed default border widths under Unix
-back to 2 again.  This reverses the change made on 11/7/96. (JO)
-
-6/13/97 (bug fixes) In canvas text item: the insertion cursor wasn't shown
-if insertion point was at end of text item, it was impossible to click to
-position the insertion point after the last character, and @x,y indices were
-computed incorrectly if -scrollregion had been specified and canvas was
-scrolled. (CCS)
-
-6/13/97 (bug fix) Hitting up/down arrows in a text widget packed in a
-toplevel window created with the "-screen" option would cause an error dialog
-to pop up. (CCS)
-
-6/12/97 (bug fix) Fixed bug in canvas text items where multi-line
-selections were not highlighted properly.  This bug existed only in
-earlier releases of Tk 8.0.  (JO)
-
-6/16/97 (bug fix) In some obscure cases, canvas window items could
-accidentally specified a 0x0 size for the window, which caused a
-BadValue error under X. (JO)
-
-6/17/97 (bug fix) Tk buttons on the Macintosh will now correctly
-draw under MacOS 8.0. (RJ)
-
-6/18/97 (feature change) Changed the way highlights are drawn in text
-widgets so that the empty space to the left of a line is highlighted
-whenever the leftmost character of the line is highlighted (the empty
-space didn't used to be highlighted).  This produces a neater left
-edge when several lines are selected.  (JO)
-
-6/18/97 (bug fix) Tk was using the wrong system colors to draw various
-widgets under Windows. (SS)
-
-6/19/97 (bug fix) Under Windows, the "wm transient" and "wm overrideredirect"
-subcommands can now be applied to a toplevel to change its window
-style at any time during the life of the window. (SS)
-
-6/19/97 (feature change) All GIF and XBM images needed for the "TK"
-file dialog box are included in-line in tkfbox.tcl. (IL)
-
-6/27/97 (bug fix) Revamped focus code to eliminate most XSetInputFocus
-calls from the FilterEvent procedure.  This moves the implementation back
-towards the Tk 4.2 implementation, but adds embedding support.  There is
-still a known bug with twm's NoTitleFocus and embedded windows.  However,
-the races in a2 and the funny focus stealing in b1 are gone. (BW)
-
-6/25/97 (bug fix) Error message was not properly reported when using
-button 'toggle'. (DL)
-
-6/25/97 (bug fix) Removed one source of memory corruption in tkGrid.c code
-(fixes what was exercised by "grid col . 0 -w 1; grid col . 0 -w 25") (DL)
-
------------------ Released 8.0b2, 6/30/97 -----------------------
-
-7/1/97 (bug fix) Menu shortcut and tearoff reported problem fixed. (DL)
-
-7/1/97 (new feature) TK_BUILD_SHARED flag set in tkConfig.sh
-when Tk has been built with --enable-shared. TK_SRC_DIR added.
-A new tkLibObjs make target, echoing the list of the .o's needed
-to build a tk library, is now provided. (DL)
-
-7/9/97 (bug fix) Fixed Tk_CreateFileHandler and Tk_DeleteFileHandler
-macros to directly call the Tcl equivalents. (JL)
-
-7/10/97 (bug fix) On the Mac, if the binding for <<MenuSelect>> was
-drawing, the drawing could bleed over into the menus. This is now
-fixed. (SRP)
-
-7/10/97 (bug fixes) Removed duplicate code related to Tk_SafeInit,
-made a single init script handling both cases. (DL)
-
-7/10/97 (feature change) On Unix, to be able to load Tk into a safe
-interp you need to set the env(DISPLAY) var. Some API should be
-added to allow master crontrol over Tk instantiation. (DL)
-
-7/11/97 (new feature) On the Mac, menus that are too big for the
-screen will now scroll. This is part of the interface on the Mac,
-impossible under Windows, and is not done for Unix. (SRP)
-
-7/21/97 (bug fix) After fixing the bug that in canvas text item the insertion
-cursor wasn't shown if insertion point was at end of text item, introduced a
-different bug in where clicking in entry widget with 0 characters would
-crash or display garbage. (CCS)
-
-7/22/97 (bug fix) If there were a whole bunch of returns or tabs in a row in
-a canvas text item, then the temporary buffer used when outputting
-postscript could overflow and overwrite the stack. (CCS)
-
-7/23/97 (feature change) Reenabled "tkwait" in the Safe Tk base. (JL)
-
-7/24/97 (bug fix) Single init script for both Win and Unix.
-new library/safetk.tcl using features from new tcl safe.tcl (DL)
-
-7/30/97 (feature change) As a result of native menus, you can no
-longer drag through a frame of menubuttons on Macintosh and Windows
-and have the menus pop down. You can still click on individual
-menubuttons and their menus will pop down.  Applications needing to
-present a menubar should consider using the new "-menu" configuration
-of the toplevel widget to set up menubar which behaves correctly on
-Macintosh, Windows and X Windows. (SRP)
-
-7/31/97 (bug fix) Tk widget commands can now safely be hidden commands.
-Previously destroying the widget would potentially leave dangling pointers
-and destroy an exposed command instead of a hidden one if an exposed
-command by that name existed. (JL)
-
-7/31/97 (bug fix) On Windows, popup menus were not tracking the right mouse
-button correctly if it was used to invoke the menu. On Unix, tearoff
-menus were stealing focus when the mouse moving over them even when
-focus following was turned off. (SRP)
-
-8/4/97 (bug fix) Fixed problem under USENIX where raising a toplevel
-window could cause an X error if the window had just been withdrawn.  (JO)
-
-8/4/97 (feature change) tkerror and bgerror are not anymore hard links
-maintained by the Tcl core. The implementation of bgerror provided by
-Tk tries, for backward compatibility only, to to call "tkerror" and
-if that fails, falls back to the usual dialog and stack trace option
-posting. You can thus still use either "bgerror" or "tkerror" as your
-application error handling proc, but using "bgerror" is strongly
-recommended as support for "tkerror" will eventually vanish in upcoming
-releases. (DL)
-*** POTENTIAL INCOMPATIBILITY with scripts that were using
-    the actual hardlink implementation 'features' and with
-    scripts (if any) that would be calling the default "tkerror" to
-    simulate error messages (use "bgerror" instead)                  ***
-
-8/7/97 (feature change/addition) Removed the gif files used for the
-Open dialog box on UNIX (they were previously made inline).  Added a
-new images directory that includes several images of the Tcl and Tcl
-Powered logos. (RJ)
-
-8/7/97 (bug fix) Fixed focus to deal with embedding when there is
-no window manager. (BW)
-
-8/8/97 (bug fix) Fixed bug in photo image code where photo images from
-different interpreters could get confused if they had the same name. (JO)
-
-8/8/97 (new feature) Added new procedure Tk_GetImageMasterData for
-mapping image names to master data.  (JO)
-
-8/8/97 (feature change) Modified Tk_FindPhoto procedure to require
-extra "interp" argument (needed for bug fix above).  (JO)
-*** POTENTIAL INCOMPATIBILITY ***
-
-8/8/97 (bug fix) Fixed problems under Windows renaming toplevels with
-menubars. Fixed problems on all platforms renaming menu widgets and
-using new menus of the same name as an old one as cascades. Fixed a
-cosmetic problem with tearoff menus. (SRP)
-
-8/13/97 (bug fixes) Fixed "-from" option for the "image create" and
-"imageName read" commands for GIF images, which didn't used to work
-correctly.  Also made transparency work correctly for GIF images
-without the TRANSPARENT_GIF_COLOR hack; TRANSPARENT_GIF_COLOR is
-now ignored.  These fixes were provided by Jan Nijtmans. (JO)
-
-8/13/97 (new feature) added safe::loadTk command to load Tk in a
-safe slave interpreter. See the loadTk.n manual page for more
-details. (DL)
-
------------------ Released 8.0, 8/18/97 -----------------------
-
-8/22/97 - (bug fix) Fixed syntax error in tk_popup; option menus now
-popup over their selected items like they did in tk4.2. Fixed problem
-where cascades sometimes did not work on X. On X, menubars with
-checkbuttons and radiobuttons in them would infinite loop when
-mappped. (SRP)
-
-8/27/97 (new feature) Added support for new X11R6 colors under Windows
-and Mac platforms. (SS)
-
-8/29/97 (bug fix) Wish crashed if stdin was closed. (SS)
-
-9/10/97 (bug fix) "font actual {helvetica 10} -displayof ." wasn't taking
-into account the "-displayof" option.  This problem also existed for the
-"font metrics" and "font measure" commands. (CCS)
-
-9/16/97 (new feature) Added "resource delete" and "resource files"
-command to the Mac.  Also fixed "resource write" when the resource
-was specified by id and already existed. (JI)
-
-9/16/97 (bug fix) Added null bindings to <Command-KeyPress> for the
-text and entry widget on the Macintosh.  This prevents unbound command
-key sequences from having the character echoed to the widget. Also
-fixed Cut & Copy bindings.  (JI) (RJ)
-
-9/18/97 (bug fix) Revamped Macintosh focus code.  Cut, Copy & Paste
-virtual events now go to the correct (focus) window. (RJ)
-
-9/19/97 (bug fix) Made Macintosh tearoff menus non-resizable. (RJ)
-
-10/9/97 (bug fix) Default font for new canvas text items was hardcoded to
-"Helvetica 12" instead of using DEF_CANVTEXT_FONT defined in
-tk{platform}Default.h like all the other widget settings.  (CCS)
-
-10/9/97 (bug fix) Image code could cause crashes during "exit" under
-some conditions (such as an image named "place").  (JO)
-
-10/9/97 (bug fix) Fixed bug that sometimes prevented listboxes from
-scrolling far enough horizontally to see the rightmost character.  (JO)
-
-10/10/97 (bug fix) In canvas text items, if the text ended with a \n, it
-was not counted in the bbox height, as it did in tk4.2.  This caused
-"hello\n" to be the same height as "hello" and you couldn't see the
-cursor positioned on the next line. (CCS)
-
-10/10/97 (bug fix) The grid geometry manager didn't always properly
-forget about windows after a "grid forget" or "grid remove" command:
-the windows could reappear on the screen later.  (JO)
-
-10/13/97 (bug fix) Selection could not be restored to a text widget
-after "selection clear" on Windows. (SS)
-
-10/14/97 (bug fix) If a canvas had contained windows that were off-screen,
-the windows could sometimes reappear (in the wrong place) if the canvas was
-enlarged.  (JO)
-
-10/20/97 (bug fix) Omitting the arguments to the text widget "mark
-gravity" option caused a crash. (SS)
-
-10/21/97 (bug fix) Tk did not reset the result after native dialog
-modal loops on Window so background events could perturb the dialog
-result. (SS)
-
-10/23/97 (bug fix) Memory leak in unix's TkpGetFontFamilies.  Thanks
-to James Bonfield for the fix. (DL)
-
-10/27/97 (bug fix) Fixed event reporting for the Mac during a grab
-when the pointer was out of the toplevel window. (RJ)
-
-10/28/97 (bug fix) Under Unix, override-redirect was getting set
-incorrectly for menus, so that "wm overrideredirect" returned 0. (JO)
-
-10/28/97 (bug fix) Under Unix, focus code could sometimes cause the
-display to deadlock (it wasn't flushing the output buffer after issuing
-an ungrab command). (JO)
-
-10/28/97 (bug fix) If a PPM image file wasn't complete (e.g. it
-consisted of nothing but space characters) Tk entered an infinite loop
-reading the header. (JO)
-
-10/28/97 (bug fixes) On the Mac, menubars assigned to toplevels would
-disappear after a menu item was invoked from them. On Windows,
-clicking a system menu with added items and then again with a
-different set of added items would crash. On all platforms, a command
-menu entry that caused the entry to be deleted, another one created in
-its place, and the replacement deleted would cause a panic. On Unix,
-<<MenuSelect>> event bindings were firing every time the mouse moved,
-instead of everytime the active menu item changed. (SRP)
-
-10/27/97 (bug fix) If a particular race condition occurred under Windows,
-Tk would crash complaining about trying to free a color that wasn't
-allocated. (SS)
-
-10/28/97 (bug fix) Under Windows, button grabs did not report motion
-events that occurred outside of Tk windows. (SS)
-
-10/28/97 (bug fix) Fixed incorrect display of transparent images on
-the Macintosh. (JI)
-
-10/29/97 (bug fix) Reworked the handling of out-of-range indices in
-the widget command for listboxes: there were all sorts of quirks
-before (e.g., ".l delete -1" actually deleted the first element
-of the listbox). (JO)
-
-10/29/97 (bug fix) Fixed crash on the Macintosh that could occur if a
-window is moved before it is mapped where the X window was created but
-the Macintosh port was not. (RJ)
-
-10/29/97 (bug fix) Fixed several errors in how wm state was maintained
-on the Macintosh.  Tk now also will iconify a toplevel window on the
-Mac if the new Appearance Manager is present. (RJ)
-
-10/28/97 (bug fixes) In canvas' postscript command: User name
-information was leaked in safe interpreters on Unix (security fix).
-Errors while reading prolog.ps were not propagated and the error
-message was mixed with partial data. Note: postscript output does
-not work in safe interpreters on unix and windows. (DL)
-
-10/28/97 (bug fix) Safe Tk interps on unix were leaking env(DISPLAY). (DL)
-
-10/31/97 (bug fix) Fixed problems related to the input focus when one
-application had windows open simultaneously on several displays. (JO)
-
-10/31/97 (bug fix) Fixed several problems with traversal of menus via
-the keyboard under Unix. (SRP)
-
-11/4/97 (bug fix) Fixed various word-size related problems for 64-bit
-architectures. (SS)
-
-11/5/97 (bug fix) Embedding on Windows was using freed data (crashing
-in safe.test with TCL_MEM_DEBUG). NB: Embedding is still not fully
-implemented on Windows ! (It works mostly when Tk is embeded into it's
-own Tk frame (safe::loadTk case), but not well with respect to resizing
-with a toplevel container or with an external process). (DL)
-
------------------ Released 8.0p1, 11/7/97 -----------------------
-
-11/20/97 (bug fix) Fixed bug on the Mac where the "package require"
-command caused menus to stop working. (JI)
-
-11/20/97 (bug fix) Fixed bug in rendering transparent gifs on Text
-widgets. (JI)
-
-11/20/97 (enhancement) Made the changes required to work with the new
-Apple Universal Headers V. 3.0 so we can compile with CW Pro 2.0 (JI)
-
------------------ Released 8.0p2, 11/25/97 -----------------------
-
-11/25/97 (security bug fix + added feature) Tk Safe Init now asks
-the master's safe::TkInit for the 'argv' to use. This is transparently
-dealt with by the safe::loadTk API. New optional "-display displayName"
-argument to safe::loadTk, and the "-use" argument accepts both window
-Ids and Tk window names: see loadTk(n). Made the ":0.0" default display
-work on the Mac as it works on Windows and Unix. (DL)
-
-12/3/97 (bug fix/optimization) Removed unneeded and potentially dangerous
-instances of double evaluations if "if" and "expr" statements from
-the library files. It is recommended that unless you need a double
-evaluation you always use "expr {...}" instead of "expr ..." and
-"if {...} ..." instead of "if ... ...". It will also be faster
-thanks to the byte compiler. (DL)
-
-12/3/97 (new feature) Added support for browser/plugin style embedding,
-and made various other fixes to get the plugin working on the Mac. (JI)
-
-12/8/97 (bug fix) on Windows, using "winfo pathname" before "." was mapped
-was crashing. (DL)
-
----- Shipped as part of the plugin2.0b5 as 8.0p2Plugin1, Dec 8th 97 ----
-
-12/97 (bug fix) more Macintosh embeding fixes needed for the plugin. (JI)
-
-Jan/9/98 (improvement) Allow applications to have custom init script
-without  having to patch the Tk core: Tk_Init will use an existing
-"tkInit" proc if one exists in the interp where one tries to install Tk
-instead of defining it's own (tkInit is the transient proc defined in
-generic/tkInitScript.h that searches and sources tk.tcl and defines
-the 'correct' tk_library). (DL)
-
----- Shipped as part of the plugin2.0 as 8.0p2Plugin2, Jan 15th 98 ----
-
-6/3/98 (bug fix) Fixed bugs in the tk_getOpenFile under Unix.
- 1) If the -initialdir option was "." the result would be "././foo.tcl"
-    instead of an absolute path, like the Windows interface.
- 2) There is a traceVar on the data(selectPath) where the script was
-    assumes the window exists. (BS)
-
-6/12/98 (feature change) Focus -force now sets the foreground window
-on Windows platforms in addition to moving the focus. (SS)
-
-6/12/98 (bug fix) Fixed bug in Windows font measurement that did not
-take kerning into account. (BS)
-
-6/24/98 (bug fix) On Unix, fixed -initialdir switch to tk_getOpenFile
-and tk_getSaveFile to convert the specified directory to an absolute
-path and to use the current working directory if the specified
-directory does not exist. (SS)
-
-6/25/98 (bug fix) On Unix, both the Tk and the Motif file dialogs
-would fail if the -parent flag changed between two parent windows that
-had been previously used as file dialog parents. (SS)
-
-6/29/98 (compatibility patch)  Added reserved fields to several Tk
-structures to match additions made by Jan Nijtmans dash patch.  This
-means that extensions can be compiled against the dash patch
-and still work with unpatched Tk, and vice versa.
-
-7/6/98 (bug fix) Added keysym definitions for the new keys on the
-Microsoft keyboards.  You can bind to <App>, <Win_L>, and <Win_R>,
-but you cannot use the Win keys as modifiers. (SS, BW)
-
-7/6/98 (new feature) Added support for the Macintosh Appearance Manager. (JI)
-
-7/24/98 (feature change) Eliminated the static variable that sets
-tk_library and simplified search order for tk.tcl.  The tk_library
-variable can now be set before calling Tk_Init to avoid doing any
-searches.  If it isn't set, then Tk checks env(TK_LIBRARY), relative
-to tcl_library, an install directory relative to the executable, a
-source directory relative to the executable, and a tk directory
-relative to the source heirarchy containing the executable.  See the
-comment at the top of generic/tkInitScript.h for more details. (SS)
-
-7/27/98 (bug fix) The bbox for coords in the canvas were incorrectly
-including the center of the coord as part of the bound area.  (RJ)
-
-8/4/98 (bug fix) Fixed memory leak in Windows menu code. (SS)
-
-8/4/98 (bug fix) Fixed bug where bgerror's were not being generated
-from menu callbacks on Windows. (SS)
-
-8/4/98 (bug fix) Alt-key bindings were not being handled properly
-under Windows, resulting in annoying beeps. (SS)
-
-8/4/98 (bug fix) Fixed bug in Windows menubar handling that allowed
-a shared menubar to be deleted when any window using it was deleted. (SS)
-
-8/4/98 (feature change) Introduced TkReadBitmapFile to replace
-XReadBitmapFile so that all Tk file opens go through the Tcl channel
-mechanism.  This lets us wrap applications that define their own
-bitmaps and cursors. Note that XReadBitmapFile is no longer
-emulated for non-unix platforms platforms (RJ, BW)
-
-8/5/98 (bug fix) <Insert> binding in entries was masking the virtual
-event <<Paste>> binding to Shift-Insert on Windows. (SS)
-
-8/5/98 (bug fix) wm frame would crash if the window had not been
-mapped yet on Windows. (SS)
-
-8/5/98 (bug fix) Local grabs did not exclude menus or the caption bar
-under Windows. (SS)
-
-8/5/98 (bug fix) Reduced message traffic by setting
-WS_EX_NOPARENTNOTIFY on TkChild windows. (SS)
-
-8/6/98 (feature change) Changed tkInitScript.h to use the new
-tcl_findLibrary procedure to locate its script library. (BW)
-
-8/10/98 (bug fix) Added special case to font code to limit the
-length of displayed strings to avoid wrap-around bugs in some
-PC X servers when the pixel length of the string exceeds 0x7fff. (SS)
-
-8/12/98 (bug fix) Macintosh, lock down some of the resources
-associated with menus to try and stabilise the menu system
-on memory limited machines. (JI)
-
-8/12/98 (windows build change) Moved the tkConsole.obj into the tk80.dll
-on windows.  If you build your own Tk main program, you no longer
-need to compile and link this yourself. (SKS)
-
--------- Released 8.0.3 to the Tcl Consortium CD-ROM project, 8/13/98 ------
-
-10/5/98 (new feature) Added the event "MouseWheel" that will fire on
-Windows applications in response to mouse wheel movement.  You can
-bind to the MouseWheel event and use the %D substitution to get the
-delta the wheel moved.  The "event generate" command has also been
-enhanced with the -delta flag so you can generate these events from
-Tcl.  See the bind and event man pages for more details.  The listbox
-and text widgets' default bindings have been updated to understand
-MouseWheel events. (RJ)
-
-10/12/98 (performance improvement) Added hash table to canvas widget
-that holds numeric ids for items.  The hash table makes item lookup
-almost constant time which improves certain canvas operations
-(exspecially for canvases with large number items).  Thanks to Mark
-Weissman <weissman@gte.com> and Jan Nijtmans <Jan.Nijtmans@wxs.nl>
-for submitting this improvement.  (RJ)
-
-10/15/98 (bug fix) The -fill option to text items in the canvas did
-not allow the empty string as an argument (meaning transparent) even
-though every other item type did.  Thanks to Sebastian Wangnick
-<sebastian.wangnick@eurocontrol.be> for supplying this patch. (RJ)
-
-10/20/98 (feature change) The Makefile and configure scripts have been
-changed for IRIX to build n32 binaries instead of the old 32 abi
-format.  If you have extensions built with the o32 abi's you will need
-to update them to n32 for them to work with Tcl.  (RJ)
-*** POTENTIAL INCOMPATIBILITY ***
-
-11/10/98 (feature change) The Macintosh menus will use the Appearance
-Theme backgrounds, separators and menu shape, if Appearance version
-1.0.1 or greater is installed.  The version of Appearance that shipped
-with MacOS 8.0 so it will not work with a straight 8.0, but it will
-with MacOS 8.1 or later. (JI)
-
------------------ Released 8.0.4, 11/20/98 -----------------------
-
-11/24/98 (bug fix) On some X servers, XQueryLoadFont will always
-return a font, even if the name is meaningless.  This prevents Tk from
-parsing the font name, so now we perform a quick sanity check on the
-name before letting X have it. (stanton)
-
-12/30/98 (bug fix) Fixed bug in "grid forget" that failed to cancel
-pending idle handlers, resulting in a crash in a few odd cases. (stanton)
-
-1/28/99 (configure change) Now support -pipe option on gcc.  (RJ)
-
-2/4/99 (bug fix) Changed so color tables in photo images are freed
-immediately instead of being delayed.  This ensures that color tables
-are properly disposed at process exit. (stanton)
-
-2/4/99 (bug fix) Changed postscript template to	include a European
-character with an umlaut when determining font height. (stanton)
-
-2/4/99 (bug fix) If an image bitmap mask changed but ended up with the
-same XID, the GC failed to be updated and so the new mask was
-not used. (stanton)
-
-2/4/99 (bug fix) Changed so focus window is always set if -force is
-specified.  This fixes the problem on Windows where Tk does not
-activate the window if it already has focus. (stanton)
-
-2/4/99 (bug fix) Fixed so errors in console eval are reported
-properly.  Eliminated duplicate result messages. (stanton)
-
-2/4/99 (bug fix) Under Windows, changed so toplevels that aren't
-resizable don't have resize handles and the zoom box is disabled. (stanton)
-
-2/4/99 (bug fix) Changed to cancel the mouse timer when a user
-initiated move/resize loop begins on Windows. (stanton)
-
-2/4/99 (configure change) TK_LD_SEARCH_FLAGS was set incorrectly if
-SHLIB_LD_LIBS='${LIBS}', and shared linking is performed through the C
-compiler. Systems affected are Linux, MP-RAS and NEXTSTEP, but also
-with gcc on many more systems.
-
-2/4/99 (bug fix) Changed some EXTERN declarations to extern since they
-are not defining exported interfaces.  This avoids generating useless
-declspec() attributes and makes the Windows makefile simpler. (stanton)
-
-2/4/99 (bug fix) Changed so keyboard shortcuts will only be found in
-the current toplevel.  Previously, they might be found in menus
-attached to other toplevels that might not even be mapped. (stanton)
-*** POTENTIAL INCOMPATIBILITY ***
-
-2/4/99 (bug fix) Changed to treat zero width lines in the canvas like
-they have width 1 for purposes of selection. (stanton)
-
-2/4/99 (bug fix) Added a workaround for a bug in GetTextExtentExPoint
-on Win NT 4.0/Japanese that cause a crash in some cases. (stanton)
-
-2/4/99 (bug fix) Fixed uninitialized memory access bug in Unix send
-code. (stanton)
-
-----------------------------------------------------------
-Changes for Tk 8.0 go above this line.
-Changes for Tk 8.1 go below this line.
-----------------------------------------------------------
-
-1/16/98 (new feature) Tk now supports international characters sets:
-    - Font display mechanism overhauled to display Unicode strings
-      containing full set of international characters.  You do not need
-      Unicode fonts on your system in order to use tk or see international
-      characters.  For those familiar with the Japanese or Chinese patches,
-      there is no "-kanjifont" option.  Characters from any available fonts
-      will automatically be used if the widget's originally selected font is
-      not capable of displaying a given character.
-    - Textual widgets are international aware.  For instance, cursor
-      positioning commands would now move the cursor forwards/back by 1
-      international character, not by 1 byte.
-    - Input Method Editors (IMEs) work on Mac and Windows.  Unix is still in
-      progress.
-
-7/7/97 (new feature) The send command now works for Microsoft
-Windows. It is implemented using Dynamic Data Exchange, and a new
-command, dde, allows Tk to send more generic DDE commands to other
-applications. (SRP)
-
-11/3/97 (new feature) Major overhaul of code that manages configuration
-options to use Tcl_Obj structures instead of strings:
-    - There is a new set of procedures including Tk_CreateOptionTable,
-      Tk_InitOptions, and Tk_SetOptions, which replace Tk_ConfigureWidget
-      and related procedures.  The old procedures are still available.
-      The new procedures use a new format for configuration tables.
-      See SetOptions.3 for more information.
-    - There are new procedures Tk_AllocColorFromObj, Tk_GetColorFromObj,
-      and Tk_FreeColorFromObj to manage colors using objects to hold the
-      name of the color and cache the corresponding XColor pointer.
-      There are similar procedures Tk_Alloc3DBorderFromObj,
-      Tk_AllocBitmapFromObj, Tk_AllocCursorFromObj, Tk_AllocFontFromObj,
-      and so on to manage borders, bitmaps, cursors, and fonts.
-    - The old-style procedures such as Tk_GetColor and Tk_GetBitmap no
-      longer take Tk_Uids for arguments; they just take strings.
-    - Menus, labels, buttons, checkbuttons, and radiobuttons have been
-      converted to use the new object-based configuration library.
-      (SRP & JO)
-
-11/7/97 (improvement) Changed code referring to "interp->result" to call
-accessor functions like Tcl_SetResult().
-
-12/23/97 (fix) Fixed transparency and web optimized the palette of
-the images/ Tcl powered logos. (DL)
-
-12/16/97 (bug fix) Canvas and text "bind" subcommands generated an
-error with no message if called to fetch a binding that didn't exist.
-They now silently return without an error like the "bind" command. (SS)
-
-1/13/98 (bug fix) Keysyms for international characters were not being
-reported properly under Windows. (SS)
-
------------------ Released 8.1a1, 1/22/98 -----------------------
-
-2/4/98 (bug fix) Calling XFreeFontNames() twice if couldn't allocate
-font. (CCS)
-
-2/10/98 (bug fix) Inlined prolog.ps in tkCanvPs.c to make it accessible
-from safe interpreters: canvas postscript now works in safe interps
-(like in tk8.0plugin). (DL)
-
-2/11/98 (bug fix) Windows "send" to a remote interp wasn't propagating
-$errorInfo correctly from the remote interp to the local invoking interp.
-(CCS)
-
-2/11/98 (bug fix) Windows "send" should have accepted "--" to mean "no more
-arguments". (CCS)
-
-2/11/98 (bug fix) Windows "send" was concatenating its arguments
-incorrectly (not consistent with "eval", "uplevel", or Unix "send"). (CCS)
-
-2/18/98 (bug fix) Macintosh radiobuttons and checkbuttons now color
-their backgrounds correctly under Appearance.  The controls gadgets themselves
-however, remain the Theme colors. (JI)
-
-2/18/98 (improvement) The corner pixels that peek through around the
-rounded corners of the Mac button widget are now controlled by the
--highlightbackground, rather than the -background option. (JI)
-
-2/18/98 (improvement) Implemented the intra-application Send on the
-Mac (RJ)
-
-2/18/98 (bug fix) Under X, a problem mapping from a fontStructPtr to an
-XLFD (no XA_FONT attribute) would lead to dereferencing NULL. (CCS)
-
------------------ Released 8.1a2, Feb 20 1998 -----------------------
-
-10/21/98 (bug fix) Tk_UnderlineChars did not handle UTF strings properly
-so underline indices were in bytes instead of characters. (stanton)
-
-11/19/98 (bug fix) Fixed menus and titles so they properly display
-Unicode characters under Windows. [Bug: 819] (stanton)
-
-11/24/98 (bug fix) Fixed a bunch of memory leaks in the Windows menu
-code. [Bug: 620] (stanton)
-
-11/25/98 (bug fix) Various small bug fixes: (stanton)
-	- hidemargin option was not honored properly in menus [Bug: 859]
-	- disabled menu entries were getting reenabled whenever the
-	mouse passed over the entry [Bug: 860]
-	- fixed deletion order bug where a crash would result if a
-	binding deleted "."
-
-11/30/98 (bug fix) The error result was getting lost when restoring
-configuration options in buttons. [Bug: 619] (stanton)
-
-12/8/98 (bug fix) The Windows clipboard was not correctly traslating
-multibyte characters. [Bug: 935] (stanton)
-
------------------ Released 8.1b1, Dec 11 1998 -----------------------
-
-1/29/99 (bug fix) Fixed bug in "grid forget" that failed to cancel
-pending idle handlers, resulting in a crash in a few odd
-cases. (stanton)
-
-2/4/99 (bug fix): Fixed uninitialized memory access in
-Tk_SetAppName. [Bug: 919] (stanton)
-
-2/4/99 (bug fix): Added a workaround for a bug in GetTextExtentExPoint
-on Win NT 4.0/Japanese. [Bug: 1006] (stanton)
-
-2/4/99 (bug fix): Changed so keyboard shortcuts for menus will only be
-found in the current toplevel.  Previously, they might be found in
-menus attached to other toplevels that might not even be mapped.
-[Bug: 924] (stanton)
-
-2/4/99 (bug fix): Changed to treat zero width lines in the canvas like
-they have width 1 for purposes of selection. [Bug: 925] (stanton)
-
-2/4/99 (bug fix): TK_LD_SEARCH_FLAGS was set incorrectly if
-SHLIB_LD_LIBS='${LIBS}', and shared linking is performed through the C
-compiler. Systems affected are Linux, MP-RAS and NEXTSTEP, but also
-with gcc on many more systems. [Bug: 908] (stanton)
-
-2/4/99 (feature enhancement): Changed so windows that aren't resizable
-don't have resize handles and the zoom box is disabled on
-Windows. (stanton)
-
-2/4/99 (bug fix): Fixed so errors in console eval are reported
-properly.  Eliminated duplicate result messages. [Bug: 973] (stanton)
-
-2/4/99 (bug fix): Changed so focus window is always set if -force is
-specified.  This fixes the problem on Windows where Tk does not
-activate the window if it already has focus. (stanton)
-
-2/4/99 (bug fix): If an image mask changed but ended up with the same
-XID, the GC failed to be updated and so the new mask was not
-used. [Bug: 970] (stanton)
-
-2/12/99 (new feature): Tk is now thread safe.  You enable this by
-configuring with --enable-threads.  Tcl must also be compiled with
---enable-threads.  See Tcl for more information about the threading
-interfaces. (lfb)
-
-2/25/99 (bug fix) Under Windows, wish can now inherit pipe handles on
-stdio so it is possible to use the wish executable in a command
-pipeline to capture the output of puts or read from the pipe with
-gets.  (redman)
-
-3/1/99 (bug fix) Under Windows, Tk was not properly handling focus and
-activation changes in some cases. (redman)
-
-3/10/99 (new feature) Tk now uses the new stub library feature in Tcl.
-The Tk library now contains no direct references to any symbols in
-Tcl.  In addition, there is a new Tk_MainEx() function that takes an
-interpreter as an argument.  See the Tcl documentation for more
-information about the stubs mechanism. (redman)
-
-3/14/99 (feature change) Test suite now uses "test" namespace to
-define the test procedure and other auxiliary procedures as well as
-global variables.
-    - Global array testConfige is now called ::test::testConfig.
-    - Global variable VERBOSE is now called ::test::verbose, and
-      ::test::verbose no longer works with numerical values.  We've
-      switched to a bitwise character string.  You can set
-      ::test::verbose by using the -verbose option on the Tk command
-      line.
-    - Global variable TESTS is now called ::test::matchingTests, and
-      can be set on the Tk command line via the -match option.
-    - There is now a ::test::skipTests variable (works similarly to
-      ::test::matchTests) that can be set on the Tk command line via
-      the -match option.
-    - The test suite can now be run in any working directory.  When
-      you run "make test", the working directory is nolonger switched
-      to ../tests.
-(hirschl)
-*** POTENTIAL INCOMPATIBILITY ***
-
------------------ Released 8.1b2, March 16, 1999 ---------------------
-
-3/23/99 (feature change) Test suite now uses "tcltest" namespace to
-define the test procedure and other auxiliary procedures as well as
-global variables.  The previously chosen "test" namespace was thought
-to be too generic and likely to create conflits.
-(hirschl)
-*** POTENTIAL INCOMPATIBILITY ***
-
-3/26/99 [bug fix]  Fixed bug reported by Bryan Oakley in the
-menubutton bindings.  There was a false assumption that there was
-always a menu attached to the button.  [Bug 1116] (surles)
-
-3/26/99 (feature change) Removed --enable-tcl-stub from the configure
-script. Linking Tk to Tcl stubs is causing too many problems when
-linking executables like wish.  Until the Tk is a fully loadable
-extension, linking against the Tcl stubs is not supported in Tk.
-(redman)
-
-3/26/99 (feature change) --nameble-shared is now the default and builds
-Tk as a shared library; specify --disable-shared to build a static Tk
-library and shell.
-*** POTENTIAL INCOMPATIBILITY ***
-
-3/29/99 (api change) Standardized text layout and font interfaces
-so they are consistent with respect to byte versus character
-oriented indices.  The layout functions all manipulate character
-oriented values while the lower level measurement functions all
-operate on byte oriented values. (stanton)
-
-4/1/99 (bug fix) Image handlers are finalized before the font subsystem
-to fix crashes during finalization of complex widgets. (stanton)
-
-4/1/99 (feature change) Removed the send command on Windows.  Moved
-the DDE basis of that command out to its own extension.  The send
-implementation on top of DDE was causing Tk to lock up in some cases.
-(redman)
-
-4/5/99 (bug fix) Fixed handling of Unicode in text searches.  The
--count option was returning byte counts instead of character counts.
-
-4/5/99 (feature change) Cut and paste to an entry widget returns the
-selection instead of the widget contents, which can be different if the
--show option is used to hide the display. (stanton)
-
---------------- Released 8.1b3, April 6, 1999 ----------------------
-
-4/20/99 (compiler fix) changed definition of Status type to use a
-typedef instead of a #define to avoid conflicting with the cygwin win32
-headers. (redman)
-
-4/22/99 (bug fix) Set the -translation and -encoding options to binary
-for image files. (redman)
-
-4/27/99 (bug fix) Changed to avoid the need for forward declarations in
-stub initializers.  Added extern "C" blocks around stub table pointer
-declarations so the stubs can be used from C++ code. (stanton)
-
---------------- Released 8.1 final, April 29, 1999 ----------------------
-
-5/7/99 (bug fix) Fixed bug wheretk_popup fails when called too
-quickly. [Bug: 2009] (stanton)
-
-5/18/99 (bug fix) Fixed clipboard code so it handles Unicode data
-properly on Windows NT and 95. [Bug: 1791] (stanton)
-
-5/19/99 (bug fix) Add extern "C" block around entire header file for
-C++ compilers to fix linkage issues.  Submitted by Don Porter and Paul
-Duffin. (redman)
-
---------------- Released 8.1.1, May 25, 1999 ----------------------
-
-5/21/99 (bug fix) Fixed clipboard code to handle lack of CF_LOCALE
-information (from command.com).  (stanton)
-
-6/1/99  (bug fix) Improved I18N selection support.  COMPOUND_TEXT
-is converted to/from iso2022, and STRING is converted to/from
-iso8859-1.  More work is needed.  (stanton)
-
-6/3/99  (bug fix) Fixed selection code to handle Unicode data in
-COMPOUND_TEXT and STRING selections.  [Bug: 1791] (stanton)
-
-6/16/99 (new feature) Changes to makefiles and configure scripts to
-support TEA specification.  (wart)
-
-6/30/99 (bug fix) Removed deprecated functions, patch from Jan
-Nijtmans. [Bug 2080] (redman)
-
-6/30/99 (bug fix) Applied patch to allow Img extension to work with
-8.2, patch from Jan Nijtmans.  [Bug 2068] (redman)
-
-6/30/99 (bug fix) Applied patch from Don Porter to prevent the Windows
-shutdown code from calling Tcl functions when the stub table has not
-been initialized in TkWinWmCleanup. [Bug: 2269] (redman)
-
-7/8/99  (bug fix) Changed TkWinChildProc to pass WM_WINDOWSPOSCHANGED
-through to DefWindowProc to make OpenGL sub-windows happpy.  This
-allows Windows to generate the WM_SIZE and WM_MOVE messages. (stanton)
-
---------------- Released 8.2b1, July 14, 1999 ----------------------
-
-7/16/99 (bug fix) Copy prolog.ps from the generic directory for
-install-libraries make target. (redman)
-
-7/22/99 (bug fix) Applied patch from Jeff Hobbs to fix
-library/menu.tcl. [Bug: 2425] (redman)
-
-7/22/99 (bug fix) Make install-sh have executable permissions before
-calling from the Makefile. [Bug: 2413] (redman)
-
-7/22/99 (bug fix) Block out sys/stat.h include with #if to allow
-extension writers to use the MetroWerks compiler on Windows.
-[Bug: 2385] (redman)
-
-7/29/99 (bug fix) Allow tcl to opn CON and NUL on Windows, moved check
-to Tk Console code instead.  [Bug: 2393 2392 2209 2458] (redman)
-
-7/30/99 (bug fix) corrected the Windows build of threaded Tk from both
-sets of makefiles (nmake and gmake). (redman)
-
-7/30/99 (bug fix) Added XFillRectangle to stub table, patch from Jan
-Njitmans.  [Bug: 2446] (hobbs)
-
-8/1/99  (bug fix) Wrapped #define of panic() inside #ifndef blocks to
-avoid compiler errors on Macintosh.  Patch from Vince Darley.
-[Bug: 2389] (hobbs)
-
---------------- Released 8.2b2, August 5, 1999 ----------------------
-
-8/13/99 (Mac) Rearranged the projects in the tkMacProjects.sea.hqx so
-that the build directory is separate from the sources.  Fixed bug in
-Tk_DrawChars(). (Jim Ingham)
-
---------------- Released 8.2.0, August 17, 1999 ----------------------
-
-9/21/99 (bug fix) fixed 'wm deiconify' quirks on Windows. (hobbs)
-
-9/21/99 (bug fix) fix fg<>bg GC swap bug for canvas. [Bug: 2676] (hobbs)
-
-9/21/99 (config fix) fixed AIX config issues for Tk. (hobbs)
-
-9/24/99 (feature change) tk_dialog now uses {Times 12} by default. (hobbs)
-
---- Released 8.2.1, October 04, 1999 --- See ChangeLog for details ---
-
-10/30/99 (bug fix) fixed XKeysymToKeycode to handle mapping of symbolic
-keysyms (Left, Home, ...) with event generate (hobbs)
-
-10/30/99 (bug fix) change tkEntrySeeInsert to avoid the use of a while loop
-that could eat CPU tremendously.  Behavior of moving the cursor at the
-right edge changes slightly. [Bug: 3195] (hobbs)
-
-10/30/99 (bug fix) changed tkScrollButtonUp to check for existence of
-tkPriv(relief) in order to avoid spurious release events (hobbs)
-
---- Released 8.2.2, November 04, 1999 --- See ChangeLog for details ---
-
-11/19/99 (bug fix) fixed expression error that could cause
-'malformed bucket chain' error in tkEntry.c. (hobbs)
-
-11/19/99 (bug fix) fixed Tk_NameOfColor (hobbs)
-
---- Released 8.2.3, December 16, 1999 --- See ChangeLog for details ---
-
-1999-09-01 (feature enhancement) rewrote runtime libraries to use new
-Tcl functions where appropriate
-
-1999-10-28 (feature enhancement) added Img patch from Jan Nijtmans that
-makes the image command Tcl_Obj-based, adds support for binary -data args,
-adds alpha channel to images, adds GIF write capability (RLE).  Binary
-compatability is maintained, and source level compatibility is retained
-with -DUSE_OLD_IMAGE. (nijtmans)
-
-1999-11-16 (feature enhancement) made listbox Tcl_Obj based, added
--listvariable option and itemconfigure command to allow coloring
-individual items. (melski)
-
-1999-11-23 (feature enhancement) added TK_OPTION_DONT_SET_DEFAULT as an
-equivalent to TK_CONFIG_DONT_SET_DEFAULT (hobbs)
-
-1999-11-24 (feature enhancement) updated dialogs to use color icons on
-Unix, center properly over -parent. (hipp, hobbs)
-
-1999-12-01 (feature enhancement) added hooks into main() code to support
-"big" shells more easily. (redman)
-
-1999-12-02 (feature enhancement) converted Tk_DestroyCmd, Tk_LowerCmd and
-Tk_RaiseCmd to their ObjCmd equivalent.
-
-1999-12-12 (bug fix) fixed bug in TextSearchCmd for multibyte chars
-
-1999-12-13 (feature enhancement) added support for pointer warping via the
-event -warp option, added some items from Dash patch: canvas widget now
-Tcl_Obj-based, added Tk_CreateSmoothMethod, added support for <Quadruple>
-clicks, entry widget validation routines, new -state hidden in text
-widgets, new -state -active* -disabled* -offset options to canvas items
-(see man page for full docs).  New features include dashed line support on
-the canvas, -elide support for TkMan, postscript printing of images and
-windows from the canvas.  Binary compatibility is maintained with 8.2, and
-source level compatibility is kept by using -DUSE_OLD_CANVAS.
-(hobbs, nijtmans, et al)
-
-1999-12-16 (feature enhancement) added "bitstream cyberbit" to list of
-font fallbacks. (hobbs)
-
-1999-12-16 (feature enhancement) added new 'tk useinputmethods ...' command
-to provide support for disabling/enabling the use of XIM on X.  This was
-previously all done at compile time, and always on.  Now it is turned off
-by default, even when available, and the user must turn it on to use XIM
-(per display).
-	*** POTENTIAL INCOMPATIBILITY ***
-user must add 'tk useinputmethods 1' to retain old style. (hobbs)
-
-1999-12-16 (feature enhancement) added proper support for -initialfile
-to tk_get*File, and made Unix version better match Windows file box
-that it was emulating. (hobbs)
-
-1999-12-16 (bug fix) removed necessity of 'update idle' before 'wm
-deiconify' on Windows. (mao)
-
-1999-12-16 (feature enhancement) added support for Windows system cursors
-to TkGetCursorByName (use -cursor @filename)
-
-1999-12-21 (bug fix) fixed lack of refresh for thin frames (darley)
-
-1999-12-21 (bug fix) fixed panic in Tk_CoordsToWindow to print error
-to stderr instead (for Tix) (hobbs)
-
-1999-12-21 (bug fix) fixed segv with scale widget when using -cursor (hobbs)
-
---- Released 8.3b1, December 22, 1999 --- See ChangeLog for details ---
-
-2000-01-05 (bug fix) Applied fixes for unprotected arg passing through eval
-and after in Tk runtime code [Bug: 3943] (hobbs)
-
-2000-01-05 (bug fix) Applied fix for i18n problems with Mac clipboard
-[Bug: 3544] (hobbs)
-
-2000-01-05 (feature change) removed the 8.3b1 introduced -state option
-for text tags, and documented -elide (-state hidden == -elide true) (hobbs)
-
-2000-01-12 (bug fix) fix Windows 'wm deiconify' to zoomed state [Bug: 2077]
-and fixed possible flashing of unmapped toplevel in deiconify [Bug: 3338]
-and fixed unwanted mapping of transient window [Bug: 572] (hobbs)
-
-2000-01-12 (feature enhancement) extended 'wm state' to accept a state
-to set for the toplevel, and added support for zoomed (maximized) state
-on Windows (hobbs)
-
-2000-01-12 (bug fix) Applied fix for cursor to not blink when entry or
-text widget was disabled [Bug: 1807] (hobbs)
-
---- Released 8.3b2, January 13, 2000 --- See ChangeLog for details ---
-
-2000-01-20 (bug fix) fixed interpretation of consecutive ^ characters in
-grid command (melski)
-
-2000-01-20 (bug fix) fixed -select(bg|fg) class names in listbox (hobbs)
-
-2000-01-20 (bug fix) fixed handling of too few coords for line item type in
-canvas (hobbs)
-
-2000-01-20 (bug fix) fixed dialog's association with parent (melski)
-
-2000-01-26 (bug fix) fixed handling of binary data for -data option to
-image create (melski)
-
-2000-01-26 (feature enhancement) improved GIF decoding speed by ~60%
-(melski)
-
-2000-01-26 (feature enhancement) added tk_chooseDirectory implementation
-for Unix and Mac (nelson, melski)
-
-2000-02-01 (bug fix) fixed resolution rounding problem in scale (porter)
-and fixed potential Unix seg fault due to use of ckfree instead of
-Tcl_EventuallyFree (hobbs)
-
-2000-02-01 (bug fix) fixed handling of negative dash values for canvas
-items (nijtmans)
-
-2000-02-01 (bug fix) fixed dialog lockup on Windows where once the native
-dialog disappeared, the parent window could end up locked up (hobbs)
-
-2000-02-03 (bug fix) fixed text dump to use char indices instead of byte
-indices (melski)
-
-2000-02-07 (bug fix) fixed handling of default extension in unix file
-dialogs (dejong)
-
-2000-02-08 (bug fix) corrected windows symbol font use to restrict itself
-to 8-bit chars (kenny)
-
-2000-02-08 (feature enhancement) improved support for moving from the old
-style image C API to the new obj'ified one with new Tk_InitImageArgs
-command and stub'ing of image code.  See docs for how to make the
-transition. (nijtmans)
-
-2000-02-08 (bug fix) fixed incorrect handling of CapsLock on Win9* and the
-use of dead keys on international keyboards (spjuth)
-
-2000-02-10 (bug fix) brought Mac back to building state, added support
-for Appearance Manager (ingham)
-
-2000-02-10 (feature enhancement) added support for buttons 4 && 5 as
-mousewheel style scrolling in listbox and text widget for Unix.
-
---- Released 8.3.0, February 10, 2000 --- See ChangeLog for details ---
-
-2000-03-02 (bug fix) fixed crash in listbox when cursor was configure and
-then widget was destroyed (hobbs)
-
-2000-03-02 (feature enhancement) added %V substitution to entry widget
-validation to clarify type of validation occuring (hobbs)
-
-2000-03-07 (feature enhancement) added -disabledforeground/-state to labels
-(melski)
-
-2000-03-29 (config enhancement) improved build support for gcc/mingw on
-Windows (nijtmans, hobbs) and added RPM target (melski)
-
-2000-03-24 (bug fixes) numerous corrections for more correct Unix dialog
-behaviors (melski)
-
-2000-03-27 (bug fix) fixed mem leak in wm commands (hu)
-
-2000-03-31 (bug fix) correct initialization of Windows static builds and
-added Unicode aware open/save file dialogs on Windows (hobbs)
-
-2000-03 (bug fix) canvas: corrected support for transparency in dashed
-lines on Windows (nijtmans); added support for postscript generation of
-images on Windows, also fixing transparency printing (biancardi); corrected
-handling of configure options in non-empty canvas (melski)
-
-2000-04-07 (bug fix) correct font name length restriction that prevented
-the use of long named (>16 char) fonts on NT/2000 (hobbs)
-
-2000-04-07 (bug fix) fixed safe Tk to work in base cases (hobbs)
-
-2000-04-10 (bug fix) corrected Alt-Key event generation and handling of
-Alt-sequence Windows special char generation and (Control|Shift|Alt)_L/_R
-determination (melski)
-
-2000-04-10 (bug fix) correctly check state of parent when popping up
-bgerror dialog. (melski)
-
-2000-04-11 (feature enhancement) msgcat now searches up the namespace chain
-for a match instead of just in the local namespace (hershey)
-
-2000-04-12 (bug fix) corrected handling of Windows clipboard to allow for
-use of user-defined types within the Tk app (hobbs)
-
-2000-04-13 (feature enhancement) improved handling of shadow determination
-for 3D borders in very light/dark cases (hipp, melski)
-
-2000-04-13 (bug fix) correctly color separator bg in menus on Windows
-(melski)
-
-2000-04-14 (bug fix) improved handling of scale widget, reduced number of
-redraws (hobbs)
-
-2000-04-17 (feature enhancement) made shift-selection more Windows-like
-(intuitive) in text widget (melski)
-
-2000-04-22 (bug fix) mac bug fixes, nav services handling (ingham)
-
-2000-04 more docs for public APIs (melski)
-
---- Released 8.3.1, April 26, 2000 --- See ChangeLog for details ---
-2000-04 (doc updates) extended, updated docs (melski)
-
-2000-05-09 (feature change) removed WS_EX_TOOLWINDOW style bit for
-transient windows on Windows platforms, so that transients have
-full-size titlebars (melski)
-
-2000-05-09 (bug fix) fixed calling of takeFocus proc (nemethi)
-
-2000-05-11 (bug fix) corrected handling of 3DBorder, Cursor and Color
-objects on multiple screens (hobbs)
-
-2000-05-12 (feature enhancement) improved support for chars in 0-255
-range for bitmap ANSI fonts (spjuth, hobbs)
-
-2000-05-12 (widget enhancement) added support for -repeatdelay,
--repeatinterval for command buttons; and -compound (image and text
-simultaneously) for labels, check-, radio-, and command buttons (melski)
-
-2000-05-14 (widget change) added "readonly" state for entries and
-changed behavior of "disabled" entries; added -readonlybackground
-option for entries (melski)
-*** THIS IS A BACKWARDS INCOMPATIBLE BEHAVIOR CHANGE ***
-
-2000-05-15 (feature enhancement) added [image inuse] command (melski)
-
-2000-05-15 (feature enhancement) added -nice option to [bell] command (duncan)
-
-2000-05-17 (widget enhancement) added -overrelief option for
-check/radio/buttons (melski)
-
-2000-05-26 (feature change) added support for new syntax in
-Tk_OptionSpec tables; if the database name for an option contains an
-embedded "." it indicates that the name contains an overriding window
-class specifier in addition to the database name, which allows widgets
-to perform queries for certain options as if they were options for a
-different widget class (melski)
-
-2000-05-28 (new widget) added spinbox widget (hobbs)
-
-2000-05-31 (feature change) replaced bgerror dialog with a new and
-improved one (fellows, melski)
-
---- Released 8.4a1, June 6, 2000 --- See ChangeLog for details ---
-
-2000-05-15 (bug fix) changed wm deiconify from using idle callback to
-calling restack and focus code immediately. (hobbs)
-
-2000-07 (build cleanup) cleanup of defines in tkConfig.sh, and cleanup
-in make and configure files to better handle .rc files across
-builds. (welch)
-
-2000-07 (build improvements) cleanup of the makefiles and configure scripts
-to correct support for building under gcc for Windows. (dejong)
-
-2000-08 (feature enhancements) for Windows, corrected drawing of separator
-menu entries, disable menu entries and the height for separator
-bars. (melski)
-
-2000-08 (bug fix) fixed calling of takeFocus proc with arg bearing
-functions. (nemethi)
-
-2000-08 (bug fix) For text widgets, added a test for a NULL segment pointer
-when doing backwards searches for "", correct searching over elided chars,
-and corrected search combining -regexp and -nocase. (melski)
-
-2000-08 (bug fix) Corrected code for using 'place', cursors, colors and 3D
-borders on multiple screens simultaneously. (hobbs, hipp)
-
---- Released 8.3.2, August 9, 2000 --- See ChangeLog for details ---
-
-2000-06-15 (new feature) [tk_getOpenFile ... -multiple] (melski)
-
-2000-06-29 (new feature) localization support in Tk dialogs (duperval,
-melski, et al)
-
-200-07-28 (new feature) -state option for listbox, better native color
-defaults (melski)
-
-2000-08 (feature rewrites) Tcl_Obj'ified clipboard, message, tkwait,
-bindtags, grab. place, selection commands (melski)
-
-2000-08-24 (new feature) More correct GNU configure support (no more
---enable-gcc) (dejong)
-	*** POTENTIAL INCOMPATIBILITY ***
-
-2000-08-29 (bug fix) Corrected Windows menu indicator drawing (oberhumer)
-
-2000-09-01 (bug fix) Added tkPlatDecls.h to default install (melski)
-
-2000-09-17 (new feature) Added TK_OPTION_CUSTOM type, similar to
-TK_CONFIG_CUSTOM (melski)
-
-2000-09-29 (bug fix) Several fixes for multi-display uses of Tk (hipp, hobbs)
-
-2000-10-05 (new feature) Tk_CreateAnonymousWindow API to create anonymous
-Tk windows controllable from C (melski)
-
-2000-10-27 (new default behavior) [tk useinputmethods 1] is the default
-in tk.tcl, for users of XIM and "dead" keys (hobbs)
-
-2000-10-30 Improved support for static builds on Windows (gravereaux)
-
- * Added support for mingw (gcc on Windows), AIX-5 and Win64 builds
-   (dejong, hobbs)
-
- * Improved error checking in Windows native dialogs (melski, hobbs)
-
---- Released 8.4a2, November 3, 2000 --- See ChangeLog for details ---
-
-2001-04-04 (build improvements) redid Mac build structure (steffen)
-Corrected IRIX-5* configure (english).  Added support for AIX-5 (hobbs).
-Added support for Win64 (hobbs).
-
-2001-04-04 (doc fixes) numerous doc corrections and clarifications.
-Update of READMEs.
-
-2001-04-04 (bug fix) corrected reseting of service mode to only occur when
-it was set (hedin, hobbs)
-
-2001-04-02 (bug fix) Improved tests on Windows for correctness.
-Checked for menu deletion before calling associated menu entry command.
-Fixed listbox, canvas and entry destruction to be more aware of current
-widget activity. (hobbs)
-
-2001-03-30 (feature enhancement) added support for changing IME on the fly
-in Windows (2000) (lam)
-(bug fix) handled the error case where a valid-looking but invalid
-identifier could be passed in certain event generate options causing a
-crash (hobbs)
-
-2001-03-29 (bug fix) corrected handling of drag-selection (dejong)
-
-2001-01-02 (feature enhancement) added Windows icon support in wm
-iconbitmap (darley)
-
-2000-10-27 (feature enhancement) made [tk useinputmethods 1] the default
-for Tk (hobbs)
-
-2000-10-18 (bug fix) Corrected rendering of 1-pixel wide stippled lines on
-Windows.  Correct use of active- and disabledwidth values for displaying
-lines.  Enhanced error handling in Windows native dialogs (melski)
-
-2000-09-29 (bug fix) corrected BadMatch errors when using Tk on multiple
-screens (hipp)
-
-2000-08-18 (feature enhancement) Removed redundant call to DitherInstance
-(melski)
-
---- Released 8.3.3, April 6, 2001 --- See ChangeLog for details ---
-
-2000-11-21 (new feature)[TIP 5] Tk_ClassProcs, Tk_SetClassProcs API (melski)
-
-2000-12-13 (performance enhancement)[403327] Tcl_Objs of type "double"
-are recognized in SetMMFromAny to speed up canvas coord calculations (hobbs)
-
-2001-01-02 (new feature)[TIP 8] [wn iconbitmap -default] on Windows (darley)
-
-2001-02-12 (new feature)[TIP #21] asymmetric padding in the pack and grid
-geometry managers (hipp)
-
-2001-05-21 (new feature)[TIP #11], -compound for [menubutton] widget (helfter)
-
-2001-06-03 (bug fix) corrected support for is10646 fonts on Unix, added a
-ucs-2be encoding (welch)
-
-2001-07-02 (bug fix) allowed tkwin to be Tcl_EventuallyFree'd in
-Tk_DestroyWindow so other widgets could register their use of it.  Updated
-entry and listbox widgets to use this, correcting potential crashes. (hobbs)
-
-2001-08-01 (interface rewrite)[TIP 44] moved all private tk[A-Z]* commands and
-variables into the ::tk:: namespace (porter)
-	*** POTENTIAL INCOMPATIBILITY ***
-
- * overhaul of configure scripts for cleaner standard support and support
-   of mingw gcc on Windows. (mdejong)
-
- * improved tests to better handle results on variant systems (hobbs)
-
- * correct several minor Purify complaints (hobbs)
-
---- Released 8.4a3, August 6, 2000 --- See ChangeLog for details ---
-
-2001-08-06 (new feature) added GNU (HURD) build support. (brinkman)
-
-2001-08-23 (new feature) added QNX-6 build support. (loverso)
-
-2001-08-24 (bug fix) correct several possible free memory reads and array
-bounds read errors reported by purify. (hobbs)
-
-2001-08-27 (new feature) added call to Tcl_SetMainLoop which enables Tk to
-be loaded interactively into tclsh and have the event loop kick in
-correctly. (hobbs)
-
-2001-08-28 (bug fix) fixed tk_chooseDirectory crash on Win95. (baker)
-
-2001-08-28 (bug fix) removed 2 second 'raise' delay seen by some Unix
-window managers. (hobbs, baker)
-
-2001-09-14 (bug fix) fixed memory leaks that occured if errors were
-thrown while initializing the channel for an image. (darley)
-
-2001-09-20 (new feature) --enable-64bit support was added for HP 11 when
-using the native compiler.
-
-2001-10-03 (new feature) finalized Win64 support with latest RC1 release
-and SDK. (hobbs, stacy)
-
-2001-10-04 (new feature) added enhanced bgerror dialog from Hipp. (hobbs)
-
-2001-10-09 (new feature) added brace/quote matching and file/path/var
-expansion to the Win/Mac console. (hobbs)
-
-2001-10-17 (bug fix) fixed file filtering in the motif file dialog (nelson)
-
-2001-10-17 (bug fix) updated Mac build support. (steffen)
-
---- Released 8.3.4, October 19, 2001 --- See ChangeLog for details ---
-
-2001-08-14 (bug fix)[450545] Tk's Tcl_ObjTypes now registered (fellows)
-
-2001-08-20 (performance enhancement) internal use of a "window" Tcl_ObjType
-(fellows)
-
-2001-08-20 (performance enhancement) Obj-ified [grid] and [pack] (spjuth)
-
-2001-09-26 (new feature)[TIP 18] add labels to frames, update geometry
-managers (spjuth)
-
-2001-09-30 (new feature)[TIP 37] [grid {row|column}configure -uniform] (spjuth)
-
-2001-10-12 (new feature)[TIP 63] [$menu add ... -compound] (helfter)
-
-2001-10-18 (build improvement) no more warnings about building with
-thread-enabled Tcl (hobbs)
-
-2001-11-10 (build improvement) new make target 'make gdb' (dejong)
-
-2001-11-12 (new feature)[TIP 26] simple undo/redo in text widget (callewaert)
-
-2001-11-12 (build improvement) revitalized makefile.vc (gravereaux)
-
-2001-11-17 (visual change) default button size on Windows changed to
-conform to Windows style (hobbs)
-	**** POTENTIAL VISUAL INCOMPATABILITY ****
-
-2001-12-03 (new feature)[TIP 74] [wm stackorder] (dejong, steffen)
-
-2001-12 (new feature) more use of Unicode in native widgets on Windows (hobbs)
-
-2001-12-18 (bug fix)[413735] event-click-drag-1.2 test failure (porter)
-
-2001-12-28 (new feature) On Windows, buttons accept negative widths, meaning
-minimum size, enabling native L&F (hobbs)
-
-2002-01 (bug fix) updates for CONST-ification in Tcl API, notably
-Tcl_ParseArgv.  Use -DUSE_NON_CONST to suppress source incompatibility
-	**** POTENTIAL INCOMPATABILITY ****
-
-2002-01-31 (bug fix)[508988] logic error in menu cloning (helfter)
-
-2002-02-01 (new feature)[TIP 14] [$photo transparency] (fellows)
-
-2002-02-01 (bug fix)[511956] C99 spec: avoid 'bool' as a variable name (hobbs)
-
-2002-02-19 (bug fix) updates to image code calls of Tcl_Seek/Tcl_Tell to
-address TIP 72 changes (64-bit) in Tcl (fellows)
-
-2002-02-21 (new widget)[TIP 41] added [panedwindow] (hobbs)
-
-2002-02-22 (new feature)  64-bit support for xlc compiler on AIX-4 (hobbs)
-
-2002-02-25 (bug fix)[503772] blinking cursor fix in [text] (hobbs)
-
-2002-02-25 (bug fix)[503613] [listbox] handling of invalid listvar (hobbs)
-
-2002-02-25 (feature change)[493145] mirror B2 bindings to B3 on Windows (hobbs)
-
- * (updated demos) many updates to show new features (fellows)
-
---- Released 8.4a4, March 5, 2002 --- See ChangeLog for details ---
-
-2002-03-20 (feature change)[TIP 27][532644] Constness changes (porter)
-
-2002-03-21 (bug fix)[528441] Change in optimization flags for windows
-(gravereaux)
-
-2002-04-08 (bug fix) MSL stdin/out fixes prevent crash on exit  (steffen)
-
-2002-04-12 (bug fix) Centralized closing of display, mem-leak fixes (hobbs)
-
-2002-04-22 (bug fix)[223739] More robust FP comparisons for odd
-architectures (fellows)
-
-2002-04-22 (bug fix)[541999] Fixed posible overun of 16-bit size limit
-of X windows in drawchars (hobbs,bonfield)
-
-2002-04-22 (bug fix)[541849] ButtonLeave implementation corrected (hobbs)
-
-2002-04-24 (new feature) TCLTK_NO_LIBRARY_TEXT_RESOURCES check added,
-allowing disable of inclusion of tk lib into resources (steffen)
-
-2002-05-07 (bug fix)[553208] Makefile/Win fix (TCLDIR, INSTALLDIR
-forward slash trouble resolved) (gravereaux)
-
-2002-05-20 (bug fix) msgcat added to resources, fixed setup of bindings
-on startup (steffen, porter)
-
-2002-05-21 (bug fix) Build system fix, SC_ENABLE_SHARED before
-SC_CONFIG_CFLAGS for usage for SHARED_BUILD (dejong)
-
-2002-05-26 (bug fix)[548765] Fixed -value "" redraw error for variable
-created by radiobutton (spjuth)
-
-2002-05-27 (feature change) [wm transient .t .t] now raises an error (dejong)
-	*** POTENTIAL INCOMPATIBILITY ***
-
-2002-06-10 (new feature)[566605] Utilities for -underline, ampersand magic
-(kovalenko)
-
-2002-06-12 (feature change) A transient toplevel now mirrors state changes
-in the master. (dejong)
-	*** POTENTIAL INCOMPATIBILITY ***
-
-2002-06-13 (bug fix) Fixed handling of cursor specs across platforms to
-be consistent. (fellows)
-
-2002-06-14 (new feature) [TIP 98] Enhanced photo compositing (fellows)
-	*** POTENTIAL INCOMPATIBILITY ***
-
-2002-06-14 (bug fix) Removed references to matherr (kupries)
-
-2002-06-14 (new feature) [TIP 47] Reorganized Tk to allow usage in writing
-an X wm (english)
-
-2002-06-14 (new feature) [TIP 84] Full motion events upon request (hobbs)
-
-2002-06-17 (new feature) [TIP 82] -offrelief option for check/radiobutton
-(hipp)
-
-2002-06-17 (enhancement) Added msg catalog for UK English. (porter)
-
-2002-06-17 (new feature) [TIP 96] Added caret handling (hobbs)
-
-2002-06-19 (new feature) [TIP 48] Added style engine (bonnet)
-
-2002-06-19 (bug fix)[570902] Reorganized Tk shutdown to work around bugs in
-X (dejong)
-
-2002-06-20 (new feature) [TIP 94] Added -activestyle for [listbox] (hobbs)
-
-2002-06-21 (new feature) [TIP 104] generalized text undo/redo (callewart,
-hobbs)
-
-2002-06-22 (new feature) [TIP 95] Added [wm attributes] command (hobbs)
-
-2002-06-22 (new feature) [TIP 93] enhanced get/delete to accept accept
-multiple range pairs (hobbs)
-
---- Released 8.4b1, July 5, 2002 --- See ChangeLog for details ---
-
-2002-07-11 (bug fix) some memory allocation failures now result in
-	error messages rather than panic (fellows)
-
-2002-07-15 (platform support) Borland makefile on Windows (gravereaux,giese)
-
-2002-07-16 (bug fix)[220800,581627] icon reading (darley)
-
-2002-07-19 (bug fix) Postscript generation on Win2K (hipp)
-
-2002-07-22 (bug fix)[570764,568278] transient windows (dejong)
-
-2002-07-24 (bug fix)[581560] canvas memory management (hobbs)
-
-2002-07-24 (bug fix)[584691] focus ring on compound button (hobbs)
-
-2002-07-25 (feature enhancement)[564521] Obj-ified [wm] (spjuth)
-
-2002-08-04 (new feature)[589853][TIP 27] Tk interfaces are now fully
-	CONST-ified.  Use the symbols USE_NON_CONST or USE_COMPAT_CONST
-	to select interfaces with fewer changes.
-        *** POTENTIAL INCOMPATIBILITY ***
-
-2002-08-07 (bug fix)[578654] bezier curves on canvas (hobbs)
-
-2002-08-07 (platform support)[468139] native directory browser on Win (hobbs)
-
-2002-08-07 (bug fix)[467524] fixed -from handling for gifs (obermeier)
-
-2002-08-08 (bug fix)[592201] wm transient panic (english,dejong)
-
-Rewrote Tk test suite to use tcltest package.
-
---- Released 8.4b2, August 9, 2002 --- See ChangeLog for details ---
-
-2002-08-20 (bug fix) tk.h checks for matching tcl.h version (porter)
-
-2002-08-27 (bug fix)[582457] toolbar button bindings (hipp)
-
-2002-08-31 (platform support)[602770] Mac OS X / Aqua port (steffen)
-
-2002-09-02 (bug fix)[565485] button height on windows (hobbs)
-
-2002-09-02 (new feature)[TIP 108] new comand [tk windowingsystem] (steffen)
-
-2002-09-02 (new feature)[TIP 107][601518] [raise] is non-blocking (english)
-
-2002-09-02 (platfrom support) 64-bit compile on HP-11 (martin)
-
---- Released 8.4.0, September 10, 2002 --- See ChangeLog for details ---
-
-2002-09-15 (bug fix)[570902] Use PEEK_XCLOSEIM to examine the input context
-queue before invoking XCloseIM. Generate an assert if there is an input
-context that has not been freed. (dejong)
-
-2002-09-18 (platform support) Updated support for compiling with Cygwin and
-either mingw or gcc. (khan, howell, dejong)
-
-2002-09-30 (bug fix)[614650] Correct incremental transfers of UTF8_STRING
-selections (fellows)
-
-2002-10-02 (bug fix)[616791, 614474] don't blink the cursor unless it is
-visible. (bonfield)
-
-2002-10-02 (bug fix)[607390, 617446] check if the entry is being deleted
-before handling an associated textvariable. (hobbs)
-
-2002-10-08 (bug fix)[616589] leave the DestroyPanedWindow proc to free the
-pwPtr. (hobbs)
-
-2002-10-08 (bug fix)[588831] Ignore event if we are focusing into a dead
-window (griffin)
-
-2002-10-09 (bug fix)[619544] Only error-out creating an image if we fail to
-allocate a non-empty buffer (fellows)
-
-2002-10-09 (build support) all --enable-symbols to take the enhanced
-options yes|no|mem|all. (hobbs)
-
-2002-10-10 (feature enhancement) added support for generating ps for
-embedded widgets on canvases on Windows (hobbs)
-
-2002-10-10 (bug fix)[621241] The grid size was not updated properly when
-removing a widget from a grid (forssen)
-
-2002-10-16 (bug fix)[616988] macosx fix to accelerators shown in menus
-with non-alphanumeric keys. (darley)
-
-2002-10-15 (platform support) Correct AIX-5 ppc and 4/5 64-bit build flags.
-Correct HP 11 64-bit gcc building. (martin, hobbs)
-
-2002-10-17 (bug fix)[624974] fix arg handling for missing image create
-photo -format or -data options (hobbs)
-
-2002-10-17 (bug fix)[624732] In ControlUtfProc, properly return the number
-of bytes consumed (hobbs)
-
-2002-10-22 (platform support)[624509] On macosx, add embedded framework
-dirs to tcl_pkgPath: @executable_path/../Frameworks and
-@executable_path/../PrivateFrameworks (if they exist), as well as the dirs
-in DYLD_FRAMEWORK_PATH (if set).  Added 'rapp' apple event handler.  Added
-TEXT document type to plist so that files can be dragged onto Wish Shell.
-Added private proc TkMacOSXUseAntialiasedText() to enable/disable quickdraw
-text antialiasing where available, default is enabled.  Added a linked
-boolean ::tk::mac::antialiasedtext with write trace to allow control of
-antialiasing from tcl.  (steffen)
-
---- Released 8.4.1, October 22, 2002 --- See ChangeLog for details ---
-
-2002-11-07 (bug fix)[635025,532022] Make [place info] complete and bring into
-line with other geometry managers. (spjuth)
-
-2002-11-14 (bug fix)[630533] Handle half-dead windows better. (dejong)
-
-2002-11-19 (bug fix) Better handling of narrow scrollbars on OSX. (ingham)
-
-2002-11-22 (bug fix)[641778] Make the [text see] work when the widget is
-unmapped. (hobbs)
-
-2002-12-01 (bug fix) Stopped [wm withdraw] and [wm transient] from interfering
-with each other. (dejong)
-
-2002-12-06 (bug fix) Improved DLL cleanup on Windows. (hobbs)
-
-2002-12-06 (new feature) New function TkWinSetHINSTANCE() as part of enabling
-dynamic Tk to load resources correctly. (hobbs)
-
-2002-12-13 (bug fix)[616245] Use Tcl*StartupScript*() routines in Tk_Main.
-(porter)
-
-2002-12-27 (bug fix)[578569] Made sure that Tk always knows whether its windows
-are mapped or not. (english)
-
-2003-01-03 (bug fix)[661792] Stopped crash when trying to create a toplevel
-when Tk is dying. (hobbs)
-
-2003-01-08 (bug fix)[663981] Clip long lines so they show correctly even when
-they hit windowing-system limits. (hipp)
-
-2003-01-14 (bug fix)[666346] Stopped selection handling crashes under KDE3.0.
-(english)
-
-2003-01-22 (bug fix)[220891] Image creation cannot trigger Tk's death.
-(fellows)
-
-2003-01-23 (bug fix)[673687] Entry typein works as expected even when the mouse
-button is pressed. (hipp)
-
-2003-01-28 (bug fix)[671330] Stopped segfaults from unsynchonized window
-deletion epochs. (english)
-
-2003-02-08 (bug fix) Make canvas item coordinate list handling consistent to
-stop segfaults.  Cannot now create items without coordinates. (hobbs)
-	*** POTENTIAL INCOMPATIBILITY ***
-
-2003-02-10 (bug fix) Better support for themed and animated cursors on OSX.
-(ingham)
-
-2003-02-17 (bug fix) Stopped motion events from morphing into button press
-and motion events. (dejong)
-
-2003-02-18 (bug fix) Removed memory leak in GIF image loader. (fellows)
-
-2003-02-18 (bug fix) Made OSX menus support UTF8 text and icons. (darley)
-
-2003-02-18 (bug fix)[608559] Stop message boxes from getting extremely wide.
-(hobbs)
-
-2003-02-18 (bug fix)[683813] Make focus behaviour of spinboxes more like
-entries. (bron)
-
-2003-02-19 (new demo)[627453] New demo showing off Tk's Unicode font handling.
-(fellows,suchenwirth)
-
-2003-02-19 (bug fix) Bring event handling more into line with the OSX standard.
-Also improves "dead key" handling. (riefenstahl,ingham)
-
-2003-02-20 (bug fix)[618872,689357] Stopped read of freed memory when working
-with large composite fonts. (fellows)
-
-2003-02-20 (bug fix)[689099,tcllib 689258] Improvements to [panedwindow] pane
-size and sash handling. (spjuth,hobbs)
-
-2003-02-20 (bug fix)[624116] Stopped semi-crash in Windows scrollbar handling.
-(hobbs)
-
-2003-02-21 (bug fix)[671122] Stopped panedwindow from crashing when embedded
-in a window with a different visual to the root window. (fellows)
-
-2003-02-21 (bug fix)[617392] Limit the screen-size of [tk_get*File] file type
-selection menu. (fellows)
-
-2003-02-21 (bug fix)[673722] Rework standard dialogs to use [grid]. (fellows)
-
-2003-02-24 (bug fix)[637828] Report that entries can provide the selection,
-even if they're not displaying it. (hobbs)
-
-2003-02-24 (bug fix)[669595] Improved display of indicators in disabled
-checkbuttons and radiobuttons. (hintermayer)
-
-2003-02-24 (bug fix)[632514] Allow listbox 'selection includes' to respond
-positively when disabled.
-
-2003-02-24 (bug fix)[647497] Make Tk pick the first best matching font on
-the font path. (dal zotto)
-	*** POTENTIAL VISUAL INCOMPATIBILITY ***
-
-2003-02-25 (bug fix)[621672] Fixed conversion of apple event parameters
-to posix path names. (steffen,riefenstahl)
-
-2003-02-25 (feature enhancement)[patch 685388] Support simple XOR text drawing
-on Windows. (martin)
-
-2003-02-28 (bug fix)[612110] Make %-substitutions for events only read data out
-of the event structure when that field is valid for that event type. (fellows)
-	*** POTENTIAL INCOMPATIBILITY ***
-
---- Released 8.4.2, March 3, 2003 --- See ChangeLog for details ---
-
-2003-03-14 (bug fix)[701812] Stop buttons from being very wide when a
-tk_messageBox has a lot of content on Unix
-
-2003-03-18 (bug fix) Fixed crash in [winfo server] on Mac OS X
-
-2003-04-25 (bug fix)[477740] Correct compound button display in the
-disabled state
-
-2003-05-10 (bug fix)[734498] Correct crash when generating postscript for a
-single-line polygon (point) with no color.
-
-2003-05-13 (feature enhancement)[736774] Use new versioned bundle resource
-API to get tk runtime library for TK_VERSION on Mac OS X
-
-2003-05-14 (bug fix)[737790] Updated French message catalog
-
-2003-05-15 (bug fix)[557030] Use gb2312-raw as the alias for gb2312*
-charset fonts.  gb2312.enc was made to be euc-cn for Tcl because that is
-what is most often meant, but X really wants the original (-raw) gb2312
-encoding.
-
---- Released 8.4.3, May 20, 2003 --- See ChangeLog for details ---
-
-2003-07-07 (bug fix)[749353] Improve deletion of images on exit.
-
-2003-07-15 (bug fix)[465324] Fixed complex bug in menu clone cleanup.
-
-2003-07-15 (bug fix)[755530] Don't test for XCloseIM bug when the XFree86
-version is newer than 4.0 since the layout of the XIM structure has
-changed.
-
-2003-07-16 (bug fix)[748277, 702230, 738143] Numerous panedwindow fixes.
-Ensure that the last pane shrinks instead of being clipped when resized
-below the reqsize.  Ensure that we can share GCs between a panedwindow and
-its sash proxy, even if the panedwindow is in a toplevel with a different
-visual.  Ensure that panedwindows get their geometry right even when their
-children don't know their initial size.  Use widget-specific Priv slots for
-pwAfterId and panecursor items to correctly handle cursor changes with
-adjacant panedwindows.
-
-2003-07-17 (bug fix)[697652] Make sure all options of a frame can be set to
-their default value.
-
-2003-07-17 (bug fix)[404421] Try harder to avoid zero-length mallocs() when
-creating images.
-
-2003-07-17 (feature enhancement) MacOSX build system rewrite.
-
-2003-07-18 (bug fix) Do not make XGetGeometry call that prevents overwidth
-lines drawing on unix as it requires a roundtrip call to the X server for
-every string drawn.  Hard-code max width to 32768 until a beter solution to
-get max width is made.
-
-2003-07-18 (bug fix)[742660] correct XCreateIC call for TK_XIM_SPOT usage
-on unix.
-
-2003-07-18 (bug fix)[420510] Provide consistency between unix and windows
--cursor option.
-
-2003-07-19 (bug fix)[706765] Correctly handle the -sliderrelief option
-while moving the thumb.
-
---- Released 8.4.4, July 22, 2003 --- See ChangeLog for details ---
-
-2003-08-13 (bug fix)[787065] Fix Button-2 binding for scale widget.
-
-2003-08-19 (bug fix)[791500] Fix panedwindow refresh glitches for bg.
-
-2003-09-17 (bug fix)[808039] Prevent [image create] from generating an
-image command name that overwrites an existing command.
-
-2003-09-25 (enhancement) Added -compound support for OS X bevel buttons.
-
-2003-10-10 (bug fix) Fix image offset stippling for disabled buttons.
-
-2003-10-22 (enhancement)[827535] Constrain tk_dialog to be sensibly sized and
-placed
-
-2003-10-28 (bug fix) Add 16bpp XGetImage support on Windows
-
-2003-10-29 (enhancement)[795717] Allow some control of foreground and
-background colors on Tk's tk_getOpenFile/tk_chooseDirectory.
-
-2003-11-01 (enhancement)[820519] Updated Dutch (nl) message catalog.
-
-2003-11-10 (enhancement)[826614] Provide more Tk build info in tkConfig.sh.
-
-2003-11-10 (enhancement)[809157] Add alpha blending for images with partial
-transparency on Windows and Unix on 15bpp+ displays.
-
-2003-11-10 (enhancement)[820282] Use the XGCValues.function parameter when
-filling rectangles with XFillRectangles on Windows.
-
-2003-11-11 (enhancement)[840107] Add OS X unicode clipboard support.
-
-2003-11-11 (enhancement)[833819] Improve Tk's
-tk_getOpenFile/tk_chooseDirectory directory glob'ing speed.
-
-2003-11-11 (bug fix)[836483] Fix mem leak in '$listbox itemconfigure'.
-
-2003-11-11 (bug fix)[723856] Correctly handle menu (un)posting on menus
-with spaces in their names.
-
-2003-11-11 (enhancement) Improve AIX-64 build configuration.
-
-2003-11-17 (bug fix) Fix menubutton -compound state disabled drawing.
-
---- Released 8.4.5, November 20, 2003 --- See ChangeLog for details ---
-
-2003-12-17 (platform support)[842952] Mac OS X: [scrollbar]
-
-2004-02-13 (platform support)[776646] Win: native hand2/fleur cursors
-
-2004-02-03 (enhancement) post menubuttons so they stay on screen.
-
-2004-02-09 (bug fix)[877950] stop crash during intra-image copy/resize
-
-2004-02-10 (enhancement) New msg catalogs for Esperanto and Polish (trzewik)
-
-2004-02-13 (platform support)[478568] Win: bold/italic font handling
-
-2004-02-15 (platform support)[860454] Mac OS X: [event generate]
-
-2004-02-15 (platform support)[840107] Mac OS X: Unicode clipboard (senn)
-
-2004-02-15 (platform support)[517600] Mac OS X: handle FSRef's
-
-2004-02-15 (platform support) Mac OS X: native [tk_messageBox]
-
-2004-02-15 (platform support) Mac OS X: PowerBook keycode 0x34 -> <Return>
-
-2004-02-18 (platform support) Mac OS MouseWheel event handling
-
-2004-02-18 (bug fix)[899246] fix shrinking grid geometry calculations
-
-2003-02-23 (platform support)[809157] Mac OS X: Add alpha blending for
-images with partial transparency.
-
-2004-03-01 (platform support)[218561] Allow 64-bit configure on IRIX64-6.5*
-
---- Released 8.4.6, March 1, 2004 --- See ChangeLog for details ---
-
-Changes to 8.5a1 include all changes to the 8.4 line through 8.4.6,
-plus the following, which focuses on the high-level feature changes
-in this changeset (new minor version) rather than bug fixes:
-
- * Tk is no longer guaranteed to work for Win95 (not tested 8.5+)
-
- * configure scripts now require autoconf 2.57 for regeneration
-
- * added support for anti-aliased test under X11 (already existed for
-   Win/Mac) using --enable-xft
-
- * improved speed of 'photo put' handling
-
- * updated demos for consistency and improved look & feel
-
- * improve 3D line drawing for sunken widgets on Windows
-
- * [792387] reworked 'grid' to handle some tricky geometry computations
-   better
-
- * [TIP #109] updated look of radiobuttons and checkbuttons on X11
-
- * [TIP #110] tristate value option for checkbuttons and radiobuttons
-
- * [TIP #113] add multi-line searching and -all searching to the text widget
-   Full Tcl_Obj-ification of the text widget
- * [TIP #155] add 'count' and 'replace' subcommands and a '-blockcursor'
-   option to text widgets and support smooth-scrolling of them
-	*** POTENTIAL INCOMPATIBILITY ***
-   Negative or decreasing tab-stops are explicitly disallowed
-
- * [TIP #116] more safety for large image creation through use of attempted
-   allocation of large memory blocks
-
- * [TIP #137/151] add -encoding option to 'wish' executable (through
-   Tk_MainEX())
-	*** POTENTIAL INCOMPATIBILITY ***
-   For Tk embedders that build on Tk_MainEx() and make use of Tk_MainEx's
-   former ability to pass a leading "-encoding" option to interactive shell
-   operations, this will now be consumed by Tk.
-
- * [TIP #146] added 'grid anchor' subcommand for overall grid anchoring
-
- * [TIP #147] recognize widget names and "all" as keywords in grid's
-   'columnconfigure' and 'rowconfigure' subcommands
-
- * [TIP #150] make 'send' available on Windows
-
---- Released 8.5a1, March 3, 2004 --- See ChangeLog for details ---
-
-2004-03-17 (platform support) Mac OS X: Grab the Command-H &
-Command-Shift-H keys and use them for Hide and Hide Others before passing
-keystrokes on to the generic keyboard event processing.
-Stop putting a Quit menu item in the File menu. (ingham)
-
-2004-03-26 (enhancement)[540375] Add code to read and write PPM/PGM data
-from strings and/or bytearrays. (fellows)
-
-2004-03-26 (bug fix)[923555] Restored support for the stringWriteProc of
-old photo formats/ (fellows)
-
-2004-03-31 (bug fix)[Bug 220871] Report errors from invoking menu commands
-as background errors on OS X. (ingham)
-
-2004-04-20 (bug fix)[915350, 922336] Do not set min, max size in WM_HINTS
-when we shouldn't and correctly display maximize window button under
-KDE-3.2.1. (english)
-
-2004-05-03 (enhancement)[756952] Place images of compound menu entries in
-indicator space if not a radio of checkbutton on Windows. (eserte)
-
-2004-05-03 (bug fix)[904371] Fix drawing of unicode chars in menu titles.
-(riefenstahl)
-
-2004-05-03 (bug fix)[939389, 822002, 732662] Correctly post internal
-clipboard data to the Windows clipboard on exit. (hobbs)
-
-2004-05-03 (bug fix)[778893, 932155] Make the panedwindow -opaqueresize
-option work as per the docs, and call DragSash to stop sash jump when B1 is
-pressed and released without moving. (hobbs)
-
-2004-05-05 (bug fix)[618872] Fix Tk_MeasureChars and Tk_DrawChars to handle
-reallocation of subfonts when unicode chars require extra fonts.
-(dkf, hobbs)
-
-2004-05-14 (enhancement) reduce Tk tk_messageBox default font size to
-14-point (was 18-point). (fellows)
-
-2004-07-11 (enhancement)[987169] Handle users destroying the dialog
-indirectly. (fellows)
-
-2004-07-14 (bug fix)[894550] Correctly set the cursor to the platform
-cursor on OS X when Tk asks for the "NULL" (empty) cursor.
-
-2004-07-14 (bug fix)[969358] Prevent possible segfault in -maxundo. (jiangwu)
-
-2004-07-19 (bug fix)[874058] improved build configuration on 64-bit systems.
-Corrects Tcl_StatBuf definition issues.  (hobbs)
-
-2004-07-23 (platform support) Mac OS X: Fix several problems with
-Icelandic (and Faroese) keyboards (riefenstahl)
-
-2004-07-24 (platform support) Mac OS X: Complete the implementation of
-the CG version of the X drawing emulation layer. (tittle, ingham)
-
---- Released 8.4.7, July 26, 2004 --- See ChangeLog for details ---
-
-2004-08-09 (bug fix)[1006286] test wrapping on canvas; Win (dejong)
-
-2004-08-10 (bug fix)[1006686] [wm resizable] Solaris (mcdonald,english)
-
-2004-08-17 (bug fix)[1010938] panedwindow -handlepad GEOMETRY (fellows)
-
-2004-08-19 (bug fix)[611615] file dialog double clicks fell through (hobbs)
-
-2004-09-10 (bug fix)[845189] file dialog state initialization (fellows)
-
-2004-09-10 (bug fix)[1013942] widget demo robust against strict motif (fellows)
-
-2004-09-16 (bug fix)[1028888] [place forget] memory leak (spjuth)
-
-2004-09-16 (bug fix)[607649] font size change: recompute menu geometry (hobbs)
-
-2004-09-17 (new feature)[TIP 222] [wm attributes -alpha] (hobbs)
-
-2004-09-22 (bug fix)[865842] disabled cascade menu arrow draw (dejong)
-
-2004-09-22 (bug fix)[866194] menu accelerator text highlights (dejong)
-
-2004-09-22 (bug fix)[223689] handle color/screen resolution changes (hobbs)
-
-2004-10-05 (new feature)[TIP 159] [wm iconphoto] (hobbs)
-
-2004-10-26 (bug fix)[905830] set IC focus after creation (max)
-
-2004-10-26 (bug fix) shutdown safety corrections for Win (gravereaux)
-
-2004-10-28 (bug fix) HAVE_NO_SEH handler code, Win (dejong)
-
-2004-10-29 (bug fix)[533519] multi-display window placement (thoyts)
-
-2004-11-10 (bug fix)[1055023] compound buttons, MacOSX (kirkham,ingham)
-
-2004-11-11 (bug fix)[1035348] [load]-able Tk on MacOSX/Aqua (steffen)
-
-2004-11-12 (bug fix)[800178] use correct display for [tk scaling] (hobbs)
-
-2004-11-16 (bug fix)[1063675] Italian msg catalog fixes (ugoccioni,welton)
-
-2004-11-17 (bug fix)[1036963] panedwindow: set save_under X attr (hobbs)
-
-2004-11-17 (bug fix)[1004508] console: array keyname expansion (bold,hobbs)
-
-2004-11-17 (bug fix)[1032300] ps generation of unspecified canvas image (hobbs)
-
-2004-11-17 (bug fix)[982248] immediate unmap of hidden canvas windows (hobbs)
-
-2004-11-18 (new feature) configure options --enable-man-suffix (max)
-
---- Released 8.4.8, November 18, 2004 --- See ChangeLog for details ---
-
-2004-12-01 (bug fix)[979239] Fix clipping of partially transparent images
-on buttons on unix to avoid X error (hobbs, petasis)
-
-2004-12-03 (bug fix)[848161] Fix Tk_PhotoPut(Zoomed)Block overlay
-compositing of partially transparent areas.
-
---- Released 8.4.9, December 6, 2004 --- See ChangeLog for details ---
-
-Changes to 8.5a2 include all changes to the 8.4 line through 8.4.9, plus
-the following, which focuses on the 8.5-only changes since 8.5a1:
-
-2004-03-16 (bug fix)[915330] correct crash condition for new
-radio/checkbuttons when colors are exhausted (griffin)
-
-2004-03-18 (platform removal)[918139] Removed support for Mac OS Classic
-platform (steffen)
-	*** POTENTIAL INCOMPATIBILITY ***
-
-2004-03-26 (new feature)[FRQ 540375] support for
-[image create photo -format PPM -data] (fellows)
-
-2004-05-14 (bug fix)[TIP 152] -detail option for tk_messageBox (fellows)
-
-2004-06-04 (bug fix)[965398] Fix to shimmering infinite loop scrolling in
-text widget under rare circumstances (darley)
-
-2004-06-04 (bug fix) Fixed mousewheel bindings for OS X/Aqua (darley)
-
-2004-06-07 (bug fix)[965186] Fix text widget's record of
-partial-line-height calculations for very long wrapped lines, correcting
-scrollbar-text interactions (darley)
-
-2004-06-08 (bug fix)[968725] Fix text rendering problem with canvas text
-items that have a selected region. (dejong)
-
-2004-06-09 (bug fix) Fix multi-line regexp search bugs in text widget
-(darley)
-
-2004-06-15 (feature enhancement) Add 3D highlight to disabled *buttons and
-labels, as is done for disabled menu entries (kovalenko)
-
-2004-06-16 (bug fix)[742882] Fix potential division by zero in gridded wm
-geometry (english)
-
-2004-06-26 (bug fix)[756840] Fix Tk console cleanup on exit/reinit
-(mistachkin)
-
-2004-06-30 (new feature)[TIP 153] enhanced 'winfo toplevel' to recognize
-non-Tk windows (mckay)
-
-2004-07-02 (bug fix) Button 4 and 5 masks synchronized with Tk display
-(staplin)
-
-2004-07-05 (bug fix)[959973] Set _NET_WM_NAME and _NET_WM_ICON_NAME
-(freedesktop.org) in addition to WM_NAME and WM_ICON_NAME (ICCCM).  Allows
-Unicode characters in wm titlebar on X11. (english)
-
-2004-07-05 (new feature)[TIP 158][797404] Allow Win apps to distinguish
-keys on the keypad using the Extended modifier (grossbauer, kenny)
-
-2004-07-20 (feature enhancement)[922727] add install-private-headers target
-(steffen)
-
-2004-07-27 (bug fix) Fix segfault in case of premature end of GIF image
-data (steffen)
-
-2004-08-11 (feature)[979101] [tk_getOpenFile] consults env vars (fellows)
-
-2004-08-19 (new feature)[TIP 168] Add -smooth method for alternative bezier
-curve implementations on canvas items (hellstroem, fellows)
-
-2004-08-29 (new feature)[TIP 165] Add %d binding substitution for
-user-controlled data field (fellows)
-
-2004-09-10 (new feature)[TIP 169] Allow for text peering with '$text peer'
-widget subcommand (griffin, darley)
-
-2004-10-08 (new feature)[TIP 205] Use pkgconfig Database to register Xft
-support (english)
-
-2004-10-11 (new language) Swedish message catalog from Mats Bengtsson
-
-2004-10-19 (new feature)[TIP 204][976928] Virtual events for keyboard
-traversal (english)
-
-2004-10-24 (new feature)[TIP 177, 179][983886] Add -hide and -stretch
-options to panedwindow widget (griffin)
-
-2004-10-26 (bug fix)[919066] Improve region handling functions
-
-2004-10-28 (bug fix)[220927] Fix scale labels to stay in window (schlenker,
-thoyts)
-
-2004-11-07 (bug fix)[962589] Made handling of ^ more consistent in grid
-(spjuth)
-
-2004-11-28 (bug fix)[942320] Fix short integer overflow in x,y coordinates
-for long lines using unix AA fonts (english)
-
-Updated test suite, documentation, and demos.
-
---- Released 8.5a2, December 7, 2004 --- See ChangeLog for details ---
-
-2004-12-09 (performance)[1081966] BMP, JPG image load speed (fellows)
-
-2004-12-17 (feature change) Modified DisplayFrame to draw a container's
-background when the embedded window is NULL (chengyemao)
-
-2004-12-17 (bug fix)[842945][831627] Fixed a bug in ContainerEventProc
-to handle ConfigureNotify event properly; Changed CleanupContainList to
-TkWinCleanupContainerList to be invoked in TkWinXCleanup; Changed Intialize
-and CreateTopLevelWindow to create the DeleteWindowsExitProc after TkpInit
-so that finalization will be done in a proper sequence (to avoid painics
-and potential crashes in exit). (chengyemao)
-
-2004-12-17 (platform support) Added TkWinClenupContainerList into stublib.
-(chengyemao)
-
-2004-12-18 (buf fix)[222677] Close the embedded window (of a different
-process) when its container is destroyed. (chengyemao)
-
-2004-12-19 (Windows feature implementation of embedded/embedding
-Tk and bug fix) Implemented container identification, focus, raise, set
-title of and move window so that an embedded widget is able to identify
-a container, to get focus and to receive key press input. Fixed bugs include
-[1024364][1096047] and an incorrect wm overrideredirect for an embedded
-window. (chengyemao)
-
-2004-12-20 (Windows feature implementation of embedded/embedding Tk)
-Implemented overrideredirect for an embedded toplevel; correctly updated a
-frame's upper left x and y of an embedded toplevel after its container
-(of another process) moved. (chengyemao)
-
-2004-12-28 (feature implementatoin of embedded/embedding Tk of Windows)
-Implemented embedded/embedding toplevel menu. A menu may be embedded in
-a container of either the same process or a different process. Working
-fine with Windows 98. But having a problem when invoked with a mouse click
-(Windows XP): if an embedded menu is in a different process, the menu items
-may show as a blank window at the pull-down time and require the mouse
-moves over the menu items to complete display. (chengyemao)
-
-2004-12-29 (platform support)[1092952,1091967] MSVC7, gcc OPT compiles (hobbs)
-
-2005-01-03 (feature implementation of embedded/embedding Tk of Windows) Added
-a separated window handler for an embedded menu; solved the problem of
-a blank menu display with a mouse click in XP. (chengyemao)
-
-2005-01-07 (feature implementation of embedded/embedding Tk of Window) Added
-TK_STATE message (Windows) to support {wm state} for embedded windows; forced
-redraw of container after the embedded window detached; removed unnecessary
-panic in using embedded window; embeded toplevel menu of an embedded window
-automatically in wrapper updating.  Modified and added functions: WmStateCmd,
-UpdateWrapper, TkpWmGetState (added) in tkWinWm.c; TkpUseWindow,
-TkWinEmbeddedEventProc in tkWinEmbed.c; TkWinChildProc in tkWinX.c.
-(chengyemao)
-
-2005-01-08 (bug fix)[1098625] Wrong toplevel geometry when created with a menu;
-[637653] Deleting a popup menu crashes wish (chengyemao)
-
-2005-01-09 (feature implementation of embedded/embedding Tk of Windows)
-Changed FrameWidgetObjCmd (tkFrame.c), TkpUseWindow (tkMacOSXEmbed.c,
-tkUnixEmbed.c, tkWinEmbed.c) to make implementation ready for a
-configurable toplevel -use option and completed the implementation for
-Windows (tkWinWm.c, tkWinEmbed.c, tkWinInt.h). Embedding with a frame
-container needs further debugging (chengyemao).
-
-2005-01-10 (enhancement)[1081595] stopped use of TK_DBGX (english)
-
-2005-01-11 (bug fix)[1098779] -pady accept all lists (fellows,kirkham)
-
-2005-01-11 (bug fix)[1093631] [text] scroll long wrapped line (darley)
-
-2005-01-18 (feature implementation of embedded/embedding Tk of Windows)
-Simplified TkpUseWindow, added Tk_DetachEmbeddedWindow and got rid of code
-for saving an embedded window object which is never used. Fixed a bug in
-TkWinHandleMenuEvent for processing WM_MENUSELECT. Wish crashed due to an
-invalid index in a case of MF_POPUP. The -use option of a toplevel can be
-configured after the toplevel is created.
-
-2005-01-18 (bug fix) dialog visibility in demos (nash,fellows)
-
-2005-01-28 (platform support)[1021871] Solaris gcc 64-bit support (hobbs)
-
-2005-01-31 (enhancement)[1111213] msg catalog for Spain's Spanish. (poser)
-
-2005-02-03 (bug fix)[1114977] UID thread-safety in canvas (fellows)
-
-2005-02-11 (bug fix)[949792] Fix error during panedwindow destroy (hobbs)
-
-2005-02-11 (bug fix)[1105738] Fix [tk_messageBox -parent $nonToplevel]
-segfault (hobbs)
-
-2005-02-11 (bug fix)[1119460] Disabled canvas bmap/bbox segfault (hobbs)
-
-2005-02-11 (platform support) Correct gcc builds for AIX-4+, HP-UX-11 (hobbs)
-
-2005-02-14 (bug fix)[443848] [text] elide newline, but not line (darley)
-
-2005-02-16 (new feature)[TIP 223] Windows: [wm attributes -fullscreen] (dejong)
-
-2005-02-22 (bug fix)[1146057] Aqua: [tk_getOpenFile] encoding (steffen)
-
-2005-02-28 (bug fix)[1118340] Fix Mousewheel %A translation (davis,hobbs)
-
-2005-03-09 (bug fix) Mac OS X: remote debugging under Xcode (ingham)
-
-2005-03-10 (bug fix)[1160025] Aqua: offset in mouse coords (davies,ingham)
-
-2005-03-10 (bug fix)[1124237] Aqua: floating window focus (davies,ingham)
-
-2005-03-14 (bug fix)[1162356] ClientMessageHandlers work now (petasis,fellows)
-
-2005-03-14 (bug fix)[1124237] Aqua: (un)map of subwindows (ingham)
-
-2005-03-14 (bug fix)[700305] Aqua: child window updates before creation
-(ingham)
-
-2005-03-15 (platform support) OpenBSD ports patch (thoyts)
-
-2005-03-15 (bug fix)[1143776] [text] display panic (revar,darley)
-
-2005-03-19 (bug fix)[1016385] allow [rename console] (fellows)
-
-2005-03-23 (enhancment) Aqua: native L&F for entry and spinbox (ingham)
-
-2005-03-23 (new feature) Aqua: [wm attributes -notify] (ingham)
-
-2005-03-29 (platform support) Allow msys builds without cygwin (hobbs)
-
-2005-04-03 (bug fix)[1175092] grid geometry calculations (spjuth)
-
-2005-04-04 (bug fix)[1174269] [text] elide search (darley)
-
-2005-04-04 (bug fix)[1169429] [text] invisible cursor (darley)
-
-2005-04-04 (bug fix)[1083878] \0 char in [tk_getOpenFile -filetypes] (darley)
-
-2005-04-07 (bug fix)[1152809] [wm stackorder] panic; multi-DISPLAY (dejong)
-
-2005-04-14 (bug fix)[1122671] font encoding alignment issue (brubaker,hobbs)
-
-2005-04-18 (bug fix) [text] <Home> and <End> bindings (darley)
-
-2005-04-18 (bug fix)[1185640] [text] passed bogus utf-8 to Tk_MeasureChars
-(petasis,english)
-
-2005-04-25 (platform support) Fix builds on Mac OS X 10.1 (steffen)
-
-2005-05-06 (platform support) Added x86_64 Solaris cc and Solaris 10 build
-support (hobbs)
-
-2005-05-10 (bug fix)[1191895] [text] hang on <Control-Key-Up> (vlasov,darley)
-
-2005-05-14 (enhancement)[1202052] Aqua: CFRunLoop notifier allows
-[load]able Tk (steffen)
-
-2005-05-15 (bug fix)[1012852] Aqua: check/radiobutton accelerator (kirkham)
-
-2005-05-15 (bug fix)[1202181] Aqua: scrollbar thumb position (kirkham)
-
-2005-05-15 (bug fix)[1202223] Aqua: [text] window -> scroll lock (kirkham)
-
-2005-05-22 (bug fix)[1206133] TkGetFileFilters: add all (dionizio,fellows)
-
-2005-05-24 (platform support) Darwin/Aqua builds merged into unix (steffen)
-
-2005-05-27 (behavior change) tk_popup menus now "sticky" (helfter)
-
-2005-05-28 (new feature)[TIP 245] [tk inactive] (max,fellows)
-
-2005-05-30 (bug fix)[1161543,1010941,795869,690169] panedwindow
-display/resizing (south)
-
-2005-05-30 (bug fix)[1159367] [menu] creation segfault (schofield,hobbs)
-
-Documentation improvements [1087842,1081527,1115907,etc.]
-
---- Released 8.5a3, June 4, 2005 --- See ChangeLog for details ---
-
-2005-06-23 (bug fix)[1176610] Aqua: default [entry] borderwidth (steffen)
-
-2005-07-18 (bug fix)[1240221] [$text mark prev] crash (darley)
-
-2005-07-22 (platform support) msys build now requires msys_mingw7.zip (dejong)
-
-2005-08-09 (Aqua enhancement) Carbon events (steffen)
-
-2005-08-10 (bug fix)[1252702] portable Tcl_GetStringFromObj() calls (fellows)
-
-2005-08-12 (bug fix)[749908] per-thread Tk_ConfigSpec tables (fellows)
-
-2005-08-23 (enhancement)[1244153] use SC_PROG_TCLSH, SC_BUILD_TCLSH (dejong)
-
-2005-08-23 (bug fix)[1235544] adopt Tcl's SEH implementation (kenny,dejong)
-
-2005-08-23 (Aqua bug fix) dialogs ignore -initial* options (hobbs)
-
-2005-10-04 (bug fix)[1216775] [tk_dialog] failing [grab] (fontana,hobbs)
-
-2005-10-04 (bug fix)[1309218] [tk_chooseDirectory -mustexist] (lemburg,hobbs)
-
-2005-10-04 (bug fix)[1311734] Fixed the problems that an embedded windows failed
-to respond to display changes (Windows platform) (chengyemao)
-
-2005-10-10 (new feature)[TIP 256] [$text config -tabstyle] (darley)
-
-2005-10-10 (bug fix)[1319720] Tk_DeleteOptionTable() mem leak (melbardis)
-
-2005-10-12 (new feature) one directory test suite (starpackable) (zolli,fellows)
-
-2005-10-18 (bug fix)[1328926] $argv encoding and list formatting (porter)
-
-2005-11-06 (platform support) OpenBSD missing LIBS (thoyts)
-
-2005-11-10 (bug fix)[1353022] minor potential memleaks (fellows)
-
-2005-11-22 (bug fix)[1353414] [selection get] compat w/OpenOffice.org (fellows)
-
-2005-11-14 (feature change) [bgerror] msg truncation at 45 chars (english)
-
-2005-11-15 (new feature)[TIP 231] [wm attributes] on X11 (english)
-
-2005-11-22 (bug fix)[1335485] dialog and space in widget name (taylor,fellows)
-
-2005-11-27 (platform support) Darwin 64bit, Tiger copyfile(), and
-Max OSX universal binaries support (steffen)
-
-2005-11-29 (bug fix)[1252259] clear initial % from console (lawlor,hobbs)
-
-2005-11-30 (bug fix)[1086049] [wm attributes -topmost] fix (courtney,hobbs)
-
-2005-12-08 (enhancement)[1369597] Win 64: --enable-64bit=amd64|ia64 (hobbs)
-
-2005-12-08 (bug fix)[1374935] [$text tag names] crash with peer (hobbs)
-
-2005-12-12 (bug fix)[1377619] configure syntax error exposed in bash-3.1 (hobbs)
-
-2005-12-13 (Aqua) MouseWheel bindings; kEventMouseScroll events (steffen)
-
-2005-12-28 (bug fix)[1380427] text widget undo/redo crash (callewaert)
-
-2006-01-12 (new feature)[TIP 260] canvas text item -underline option (fellows)
-
-2006-01-20 (bug fix)[905830] all events to XFilterEvent (SCIM compat) (english)
-
-2006-01-25 (feature enhance)[1237759] update script lib to 8.4 (fradin,porter)
-
-2006-01-25 (feature enhance)[1409264] I10N of [bgerror] dialog (fellows)
-
-2006-02-27 (bug fix)[480862] [$img configure -data] no display change (fellows)
-
-2006-02-27 (bug fix)[470322] BitmapInit() thread safety (griffin,fellows)
-
-2006-03-02 (Aqua bug fix) image endian issue on OS X/x86 (hobbs)
-
-2006-03-15 (bug fix)[1409140] speed up photo image updates (fellows)
-
-2006-03-16 (enhancement)[1405069] added Portuguese l10n. (ricardoj,silasj)
-
-2006-03-17 (bug fix)[1451587] no abbreviations in script library (thoyts)
-
-2006-03-21 (enhancement)[638966] Aqua: ATSUI text render (reifenstahl,steffen)
-
-2006-03-23 (platform support) new tk.spec file (max)
-
-2006-03-26 (bug fix)[1414171] crash in [$text dump -command] (macdonald,darley)
-
-2006-03-27 (bug fix)[1458234] crash in animated GIFs (bron,fellows)
-
-2006-03-29 (platform support)[917433] tolerate X servers that do not
-accept the color names "Black" and "White" (porter)
-
-2006-04-06 (bug fix)[1455241] Aqua: [wm attributes -titlepath] fix (steffen)
-
-2006-04-07 (bug fix)[934524]  Aqua: background window dragging/growing (steffen)
-
-2006-04-09 (bug fix)[1467004] Aqua: [wm resizable] fix (steffen)
-
-2006-04-09 (bug fix)[1450800] Aqua: allow empty toplevel names (steffen)
-
-2006-04-11 (bug fix)[1073456] Aqua: implement toplevel zoom (steffen)
-
-2006-04-11 (bug fix)[700316]  Aqua: enable 'Preferences' app menu item (steffen)
-
-2006-04-11 (bug fix)[1193614] Aqua: tk_messageBox escape key binding (steffen)
-
-2006-04-11 (enhancement)[1105284] Aqua: call ::tk::mac::* procs for all
-registered applevents (steffen)
-
-2006-04-12 (bug fix)[1432666] grid row/col out of bounds crash (spjuth)
-
-2006-04-25 (bug fix)[1475865] crash on invalid font name (fellows)
-
-Documentation improvements [1224983,1247835,1151523,1357575,1083838]
-
---- Released 8.5a4, April 27, 2006 --- See ChangeLog for details ---
-
-2006-04-28 (bug fix)[1243318] Aqua: incorrect cursor pos in bindings (steffen)
-
-2006-04-28 (bug fix)[1476443] Aqua: incorrect toplevel pos on 1st map (steffen)
-
-2006-05-12 (performance)[1409140] restore perf lost in 2006-03-15 change (hobbs)
-
-2006-05-13 (bug fix)[1481503] Aqua: key shortcut for 'Preferences' (steffen)
-
-2006-05-13 (bug fix)[1155596] Aqua: images with alpha on native btns (steffen)
-
-2006-05-13 (bug fix)[1480105] Aqua: Map/Unmap propagation to children (steffen)
-
-2006-05-13 (bug fix)[940117] Unmap canvas window items on canvas Unmap (steffen)
-
-2006-05-16 (bug fix)[1472624] Aqua: balloon help don't steal focus (steffen)
-
-2006-05-29 (bug fix)[706446] Aqua: active [button] highlight (hobbs)
-
-2006-05-29 (bug fix)[1424513] [listbox] crash with namespace var (hobbs)
-
-2006-06-01 (bug fix)[912571] [console] std chan refcount (mistachkin,hobbs)
-
-2006-06-14 (bug fix)[950121] Aqua: crash in draw of very wide images (steffen)
-
-2006-06-14 (bug fix)[1501922] Aqua: invalid clip regions on redraw (steffen)
-
-2006-06-14 (bug fix)[891141] excess variable writes by [scale] (porter)
-
-2006-07-20 (platform support) Mac OS X weak linking (steffen)
-
-2006-07-21 (bug fix)[700311, 1525905] Aqua: pure modifier keysyms (steffen)
-
-2006-07-24 (bug fix)[1358663] Aqua: [wm geometry -x-y] (steffen)
-
-2006-07-25 (bug fix)[1516950] Aqua: cmd-Q app menu key shortcut (steffen)
-
-2006-08-18 (bug fix)[1542205] Aqua: toplevel toolbar button crash (steffen)
-
-2006-08-21 (bug fix) Aqua: recursively called event loop (steffen)
-
-2006-08-24 (bug fix) Aqua: window grow icon obscuring scrollbar (steffen)
-
-2006-08-30 (new feature)[1518677] WM_UNICHAR window message (hobbs,petasis)
-
-2006-09-10 (bug fix) Aqua: active/inactive text selection color&relief (steffen)
-
-2006-09-10 (bug fix)[1472624] Aqua: mouse events in overrideredir wins (steffen)
-
-2006-09-11 (bug fix) Aqua: app menu shortcuts with custom .apple menu (steffen)
-
-2006-09-22 (bug fix)[1562528] NULL terminates variadic calls (fellows,ryazanov)
-
-2006-09-22 (new feature)[TIP 268] [package provide] full patchlevel (kupries)
-
-2006-10-05 (bug fix)[1122671] alignment fixes in ucs-2be encoding routines
-(hobbs,staplin)
-
-2006-10-08 (new feature)[TIP 264] New public routine Tk_Interp() (thoyts)
-
-2006-10-16 (bug fix)[1558051] Aqua: CG drawing matches X11 (steffen)
-
---- Released 8.5a5, October 20, 2006 --- See ChangeLog for details ---
-
-2006-10-30 (new feature)[TIP 48] Addition of themed tk widgets to Tk as Ttk
-(themed Tk).  Adds ttk::notebook, ttk::sizegrip, ttk::combobox,
-ttk::panedwindow, ttk::progressbar, ttk::menubutton, ttk::button,
-ttk::radiobutton, ttk::checkbutton, ttk::treeview, ttk::separator,
-ttk::scrollbar, ttk::entry, ttk::frame and ttk::labelframe widgets.  Adds
-ttk::style command.
-
-2006-11-02 (enhancement) Improve OS X Carbon Update event handling (steffen)
-
-2006-11-07 (configure change) Unix --enable-xft is enabled by default (kenny)
-
-2006-11-23 (bug fix)[1599877] Fix unicode character underline in menus (hobbs)
-
-2006-11-24 (bug fix)[1487701] Better handling of tcl_interactive on OS X to
-control display of console (hobbs, steffen)
-
-2006-11-26 (platform support)[1230558] --enable-64bit on more systems (steffen)
-
-2006-11-30 (bug fix) Fix handling of Escape binding on OS X dialogs (steffen)
-
-2006-12-01 (new feature) Add -transparentcolor wm attribute on Windows (hobbs)
-
-2006-12-01 (new feature)[TIP 300] Added [font actual $font $char] (kenny)
-
-2006-12-04 (new feature)[TIP 286] Added [$menu xposition] subcommand (bron)
-
-2006-12-11 (enhancement) Improved EWMH support for _NET_WM_PID and
-_NET_WM_PING (fellows)
-
-2007-01-25 (configure change) ensure CPPFLAGS env var used when set (steffen)
-
-2007-02-19 (configure change) Use SHLIB_SUFFIX=".so" on HP-UX IA64 (was
-".sl") (hobbs)
-
-2007-04-10 (platform support) Correctly handle theming on Vista/Aero (english)
-
-2007-04-23 (enhancement) Allow empty value for -selectforeground opt (steffen)
-
-2007-04-23 (platform support) Aqua: remove Tk-internal double buffering that is
-wasteful on Aqua; allows direct-to-window CoreGraphics drawing (e.g. adding
-support for colors with alpha) (steffen)
-
-2007-04-23 (platform support) Aqua: add all OS theme colors/brushes (patterns)
-as system colors (steffen)
-
-2007-04-23 (platform support) Aqua: tk_dialog & bgerror use OS theme (steffen)
-
-2007-04-23 (platform support) Aqua: add 'none' & missing theme cursors (steffen)
-
-2007-04-23 (platform support) Aqua: [tk_getOpenFile -parent] et al use sheet
-dialog (steffen)
-
-2007-04-23 (bug fix) Aqua: fix custom MDEF and tearoff menu display (steffen)
-
-2007-04-23 (bug fix)[1620826] Aqua: fix <<MenuSelect>> support (steffen)
-
-2007-04-23 (platform support) Aqua: add support for live window resizing and
-asynchronous window dragging; prevent window from becoming inacessible
-offscreen or under Dock after dragging; use transparent grow box (steffen)
-
-2007-04-23 (platform support) Aqua: improve event processing during nested
-event loops (e.g. modal dialogs, menu tracking, window resizing etc) (steffen)
-
-2007-04-23 (bug fix) Aqua: add support for all possible aqua scrollbar arrow
-positions, scrollbar variants and for "jump to here" scrollbar behaviour;
-correct scroll view size computation; enforce minimal scrollbar height (steffen)
-
-2007-04-23 (platform support) Aqua: add [wm attributes] -topmost, -fullscreen
-and -transparent (fully transparent win via -bg "systemTransparent") (steffen)
-
-2007-04-23 (platform support) Aqua: determine win min/max sizes dynamically;
-correct size handling of gridded windows; improve computation of initial
-window bounds; correct window size handling on multi-headed systems (steffen)
-
-2007-04-23 (platform support) Aqua: correct composite attribute handling in
-[tk::unsupported::MacWindowStyle] and add new attributes; allow changing
-window class of already existing windows (steffen)
-
-2007-04-23 (platform support) Aqua: add tcl document extensions and mime type
-to Wish.app's Info.plist (steffen)
-
---- Released 8.5a6, April 25, 2007 --- See ChangeLog for details ---
-
-2007-05-04 (new feature)[TIP 145] Enhanced font handling (thoyts)
-
-2007-05-14 (bug fix)[1712081] restored USE_OLD_IMAGE support (porter)
-
-2007-05-15 (bug fix)[1717830,800149] memory leaks (jenglish)
-
-2007-05-15 (bug fix)[1677608] [grid *configure] crash (porter)
-
-2007-05-31 (platform support) Aqua: improve interaction of Expose events and
-idle-time redraws (steffen)
-
-2007-05-31 (bug fix) Aqua: gridded window max-size calculation (steffen)
-
-2007-06-02 (bug fix)[1731734] Aqua: menu cascades outside menubar (steffen)
-
-2007-06-06 (platform support) Aqua: enable MouseWheel events in background
-windows (steffen)
-
-2007-06-09 (bug fix)[1724223] Unicode menu entry crash (hobbs)
-
-2007-06-09 (bug fix)[1467997] Blue/red reversal in icons (hobbs,janssen)
-
-2007-06-23 (bug fix) Aqua: nav dialog sheet crash (steffen)
-
-2007-06-29 (platform support) Aqua: remove private internal declarations from
-installed tkMacOSXInt.h header (steffen)
-
-2007-06-29 (bug fix) Aqua: scrollbar thumb size calculation (steffen)
-
-2007-07-09 (bug fix) Aqua: app-is-frontmost detection (steffen)
-
-2007-07-09 (bug fix) Aqua: window click activation & titlebar click handling
-in presence of grabs or modal windows (steffen)
-
-2007-07-25 (bug fix)[1743786] Aqua: [tk_getOpenFile] result (steffen)
-
-2007-08-01 (bug fix)[1692927] [tk_messageBox -detail] buffer (davies,thoyts)
-
-2007-08-27 (bug fix)[1782105] Aqua: tk_chooseColor result (steffen)
-
-2007-09-06 (platform support) Aqua: drop support for Xcode 1.5 project, add
-project for Xcode 3.0 (steffen)
-
-2007-09-11 (bug fix) Animated GIF buffer overrun (max)
-
-2007-09-15 (platform support) SunOS-5.1x link with cc, not ld (steffen)
-
-2007-09-17 (enhancement)[1780286] Aqua: combobox appearance (english)
-
-2007-09-17 (platform support)[1748251] Fix NetBSD link failures (english)
-
-2007-09-20 (bug fix)[1791052] [text] DLine layout crash (khomoutov,fellows)
-
---- Released 8.5b1, September 26, 2007 --- See ChangeLog for details ---
-
-2007-09-26 (enhancement)[1800742] msg catalog for Hungarian. (reszo)
-
-2007-10-11 (bug fix)[1810818] Aqua: [wm resizeable] (steffen)
-
-2007-10-12 (platform support) Aqua: replace RgnHandles by HIShapeRefs (steffen)
-	*** POTENTIAL INCOMPATIBILITY for C code acessing MacDrawable Rgns ***
-
-2007-10-15 (platform support) Mac OS X: 64-bit X11 support (steffen)
-
-2007-10-15 (new feature)[TIP 125][998125] dockable frame support (hobbs)
-
-2007-10-22 (bug fix)[1814778,1780286,1609168,1349586] combobox overhaul(english)
-
-2007-10-22 (platform support) Aqua: TIP 145 and Aqua Theme fonts (steffen)
-
-2007-10-23 (bug fix)[1818441] combobox & reparentable frames (hobbs)
-
-2007-10-24 (bug fix)[1723362] Win: transparent bitmaps (mcdonald,thoyts)
-
-2007-10-25 (bug fix)[1818491] crash in [place] manager (mcdonald)
-
-2007-10-25 (new feature)[TIP 242][1156388] file dialog filter (hobbs)
-
-2007-10-25 (bug fix)[1817596] ttk::notebook (english)
-
-2007-10-26 (bug fix)[1816252] Aqua: [wm transient] (steffen)
-
-Improvements to demo suite to make more use of Tk 8.5 features (fellows,steffen)
-
---- Released 8.5b2, October 26, 2007 --- See ChangeLog for details ---
-
-2007-10-29 (appearance change) Default look and fonts on X11 (hobbs)
-	*** POTENTIAL INCOMPATIBILITY; [::tk::classic::restore] to undo ***
-
-2007-10-30 (bug fix)[1803723] Win: Arabic and Hebrew rendering (fellows)
-
-2007-10-30 (bug fix)[1550528] [tk_chooseDirectory -mustexist true] disables
-the "OK" until valid selection (hobbs)
-
-2007-11-03 (new feature) adjustable [console] fonts (thoyts)
-
-2007-11-04 (enhancement) Aqua: "Run Widget Demo" menu item (steffen)
-
-2007-11-09 (bug fix) Aqua: activate event after window expansion (steffen)
-
-2007-11-09 (bug fix)[1824521] Aqua: menubutton crash with -bitmap (steffen)
-
-2007-11-09 (platform support) Aqua: (menu)button pressed/inactive/disabled
-look&feel; menubutton size with -image/-bitmap (steffen)
-
-2007-11-09 (bug fix) Aqua: [tk_getOpenFile] (et al.) and help menu crashes on
-Mac OS X Leopard (steffen)
-
-2007-11-11 (bug fix)[1824638] Aqua: small max-width text measuring (riefenstahl)
-
-2007-11-14 (bug fix)[1831803] sv.msg catalog for "sv" locale (fellows)
-
-Many significant improvements to the documentation and demos (fellows, hobbs,
-steffen, kupries)
-
---- Released 8.5b3, Novemeber 19, 2007 --- See ChangeLog for details ---
-
-2007-11-25 (bug fix)[1343984] ttk::notebook bugs (english,boudaillier)
-
-2007-11-26 (bug fix)[1822391] [photo put] segfault w/ PPM data (kenny)
-
-2007-11-26 (bug fix)[1822076] [tk_saveFile] and path w/spaces (bauer,kenny)
-
-2007-12-04 (new feature)[1844143] Danish message catalog (berg)
-
-2007-12-11 (bug fix)[1602537] crash in [$text replace] (goth,porter,fellows)
-
-2007-12-12 (bug fix)[1845899] Aqua: [wm transient] (steffen)
-
-2007-12-12 (bug fix)[1809538,1799782,1737288] fixes for the <<Modified>>
-virtual event on [text] widgets (hobbs)
-
-2007-12-13 (bug fix) correctly trace menubutton -textvariable for -compound
-use (hobbs)
-
-Several documentation and release notes improvements
-
---- Released 8.5.0, December 18, 2007 --- See ChangeLog for details ---
-
-2007-12-30 (bug fix)[1860802] fixed Dutch message catalog (markus,fellows)
-
-2008-01-06 (bug fix)[1442006,1821939,18862692] MouseWheel for treeview (english)
-
-2008-01-08 (bug fix)[1865898,1679067] button size & state (english)
-
-2008-01-08 (bug fix)[1867122] [labelframe -style] crash (english,rib)
-
-2008-01-27 (bug fix)[1835848] size value returned by [font actual] (english)
-
-2008-01-27 (bug fix)[1878298] [notebook] redraws on tab visibility (english)
-
-2008-01-31 (bug fix)[1881892] messagebox default title (hobbs)
-
-2008-02-01 (bug fix)[CVE-2008-0553] buffer overflow in GIF format (max)
-
---- Released 8.5.1, February 5, 2008 --- See ChangeLog for details ---
-
-2008-02-27 (bug fix)[1863346] Aqua: memleak in QD drawing (steffen)
-
-2008-02-29 (enhancement) Knight's tour demo (thoyts)
-
-2008-03-12 (bug fix)[1090382] crash when GetFont() fails (jenglish)
-
-2008-03-13 (enhancement) support space in INSTALL_ROOT or $builddir (steffen)
-
-2008-03-21 (bug fix)[1863007,1920030] Export Ttk stubs table (english)
-
-2008-03-26 (bug fix)[1922466] crash  in [. configure -cursor] (gavilán)
-
-2008-03-27 (platform support)[1921166] Solaris 64bit build fixes (steffen)
-
-2008-03-27 (bug fix) restored [::safe::loadTk] (hobbs)
-
---- Released 8.5.2, March 28, 2008 --- See ChangeLog for details ---
-
-2008-04-01 (interface)[1819422] tkStubsPtr no longer in libtk (porter)
-	*** POTENTIAL INCOMPATIBILITY ***
-
-2008-04-02 (interface)[1819422] libtkstub symbols MODULE_SCOPE (steffen)
-
-2008-04-07 (bug fix)[1937135] Tk_ParseArgv() double free crash (hobbs)
-
-2008-04-07 (bug fix)[1936238] wish -h mem explosion (bachmann,kenny)
-
-2008-04-08 (new feature) Win: visual-styles API element engine (thoyts)
-
-2008-04-09 (enhancement) real LZW compression in GIF writer (nijtmans)
-
-2008-04-14 (bug fix)[1941740] [tk_chooseColor -title] (thoyts)
-
-2008-04-16 (interface)[1938497] make stubs tables 'static const' (steffen)
-
-2008-04-17 (bug fix)[1327482] canvas item <Enter> events (wangnick)
-
-2008-05-23 (bug fix)[1967576] ttk::label height or width 0 panic (lawlor)
-
-2008-06-10 (enhancement)[1986818] Use Xutf8LookupString when possible (english)
-
-2008-06-12 (bug fix)[1991932] global grab segfault (steffen)
-
-2008-06-12 (platform support) Solaris/amd64 gcc 64bit support (steffen)
-
-2008-06-13 (new feature)[TIP 285] [tkwait] and [update] are now
-[interp cancel]able (mistachkin)
-
-2008-06-18 (bug fix) Aqua: missing focus on first map (steffen)
-
---- Released 8.6a1, June 25, 2008 --- See ChangeLog for details ---
-
-2008-07-04 (bug fix)[2009213] crash in [ttk::scale] (polo,english)
-
-2008-07-24 (bug fix)[2021443] consistent "wrong # args" messages (nijtmans)
-
-2008-07-26 (bug fix)[2026405] portability of [winfo id] (uchida,thoyts)
-
-2008-07-31 (bug fix) export Tk_PkgInitStubsCheck; fixes Tk embed on Windows
-
-2008-08-01 (bug fix)[2009788,2028703] unmapped toplevel crashes (thoyts)
-
-2008-08-05 (bug fix)[2010422] Tk header files revised to accommodate
-incompatible changes in recent X.org releases of X11 headers. (jenglish)
-
-2008-08-19 (bug fix) revised number format in -[xy]scrollcommand callbacks
-and [xy]view methods (jenglish)
-        *** POTENTIAL INCOMPATIBILITY ***
-
-2008-08-19 (enhancement) removed obsolete XID management code (staplin)
-
-Test suite modernization by Ania Pawelczyk.
-
---- Released 8.6a2, August 25, 2008 --- See ChangeLog for details ---
-
-2008-08-25 (bug fix)[1936220] fix [tk_getOpenFile -multiple 1] on unix (helfter)
-
-2008-08-25 (bug fix)[1023955] default menu cursor: no more Motif (helfter)
-
-2008-08-28 (bug fix) correct TK_LIBS value to include Xft (porter)
-
-2008-09-03 (support) Dropped support for pre-ANSI compilers. (porter)
-
-2008-10-01 (new feature)[TIP 236] [$canvas moveto] (mckay,fellows)
-
-2008-10-05 (bug fix)[2112563] format double values explicitly in double
-format, avoiding sensitivity to locale setting. (fellows)
-        *** POTENTIAL INCOMPATIBILITY ***
-
---- Released 8.6a3, October 10, 2008 --- See ChangeLog for details ---
-
-2008-10-17 (enhancement) keyboard bindings for ttk::scale (thoyts)
-
-2008-10-18 (bug fix)[1825353] Russian Windows tiny fonts problem (thoyts)
-
-2008-10-18 (new feature)[TIP 321] [tk busy] (decoster,fellows)
-
-2008-10-28 (bug fix)[1534835,2054562] use of more correct cursors (english)
-
-2008-11-01 (new feature) New [ttk::spinbox] widget (thoyts)
-
-2008-11-01 (new feature)[TIP 97] [$canvas imove] [$canvas rchars] (fellows)
-
-2008-11-09 (bug fix)[2207435] [ttk::entry .t -textvar ::noexist::x] (english)
-
-2008-11-11 (bug fix)[2312027] Tk_Create*ImageType() thread safety (nijtmans)
-
-2008-11-11 (bug fix)[2264732] crash using nondefault visual (english)
-
-2008-11-12 (bug fix)[1777362] permit [text] names containing "-" (thoyts)
-
-2008-11-14 (bug fix)[2239034] limit [wm manage] to Frames (thoyts)
-
-2008-11-22 (new feature)[TIP 119] -angle option for canvas text items (fellows)
-
-2008-11-22 (bug fix)[1939129,1991930] combobox behind other windows (thoyts)
-
-2008-11-22 (new feature) Demo ctext.tcl now demos angled text (fellows)
-
-2008-11-23 (bug fix)[1389270] made [event generate <Focus*>] work (thoyts)
-
-2008-11-28 (bug fix)[1813597,2218964] eliminate unnecessary units conversion
-in screen distances, reducing precision loss (ferrieux)
-
-2008-12-03 (enhancement) new "hover" state for proper Vista visuals (thoyts)
-
-2008-12-05 (bug fix)[2107938] no negative font size in PS (fellows)
-
-2008-12-05 (enhancement) new "vista" theme (thoyts)
-
-2008-12-06 (new feature)[TIP 197] [$text -insertunfocussed] (edwards,fellows)
-
-2008-12-06 (new feature)[TIP 337] handle non-error bg exceptions (porter)
-
-2008-12-10 (new feature)[TIP 324] [tk fontchooser](thoyts,vetter,robert,steffen)
-
-2008-12-12 (new feature) Demo fontchoose.tcl demos [tk fontchooser] (thoyts)
-
-2008-12-18 (enhancement)[24442309] Updated German messages (haertel)
-
---- Released 8.6b1, December 19, 2008 --- See ChangeLog for details ---
-
-2008-12-27 (bug fix)[2381555] horiz. scroll [$treeview identify] (english)
-
-2008-12-28 (new feature)[TIP 244] PNG photo format support (fellows)
-
-2008-12-28 (new feature)[TIP 171] <MouseWheel> event handling (fellows)
-	*** POTENTIAL INCOMPATIBILITY ***
-
-2008-12-31 (bug fix)[2003310] radio|check button indicator color (english)
-
-2009-01-06 (bug fix)[2484771] messagebox: system to task modal (ferrieux,thoyts,mjanssen)
-
-2009-01-06 (enhancement)[1539990] optimize photo building (jepler)
-
-2009-01-07 (bug fix)[2473120] chooseDir syntax error (bron)
-
-2009-01-07 (bug fix)[1847002] Win: prevent grab bypass (thoyts)
-
-2009-01-11 (bug fix)[2496162] crash calling Tk_DeleteOptionTable() (english)
-
-2009-01-11 (bug fix) crash on XCreateIC failure (staplin)
-
-2009-01-14 (bug fix)[2507326] Restore aMSN compat (nijtmans)
-
-2009-01-19 (new feature) CONFIG_INSTALL_DIR - where tkConfig.sh goes (cassoff)
-
-2009-01-19 (platform support) better tools for BSD ports (cassoff)
-
-2009-02-08 (bug fix)[2431428] panic computing layout on active widget (english)
-
-2009-02-17 (platform support) MSVC and _WIN64 (hobbs)
-
-2009-02-21 (bug fix)[2546087] [console] display of true UTF-8 \0 (thoyts)
-
-2009-02-23 (bug fix)[1329198,456299,2507419] menu image display (mcdonald)
-
-2009-02-23 (bug fix)[2513104] fix cursor hotspots (mcdonald)
-
-2009-02-23 (bug fix)[2542828] Win: standard question_arrow cursor (danckaert)
-
-2009-02-27 (bug fix)[2645457] crash in Tk_MakeWindowExist() (thoyts)
-
-2009-03-09 (bug fix)[2548661] crash in GetFontFamilyName (riefenstahl)
-
-2009-03-25 (bug fix)[2178820] stop zero-size allocs in ttk (fellows)
-
-2009-03-25 (bug fix)[1871101] blurry large fonts on Vista (garvey,fellows)
-
-2009-04-03 (bug fix)[1789819] stop panic on unexpected wm stack order (english)
-
-2009-04-10 (bug fix)[2116837] std virtual events with Caps Lock (fellows)
-
-2009-04-10 (platform) sse Darwin SUSv3 extensions if available (steffen)
-
-2009-04-10 (bug fix) Motif checkbutton on X11 only (steffen)
-
-2009-04-10 (bug fix) remove TkAqua Quit menu item on [console] (steffen)
-
-2009-04-10 (bug fix) crash deleting char range from [text] (steffen)
-
-2009-04-23 (bug fix)[2779910] updated Win chooseDir (hobbs)
-
-2009-04-24 (bug fix) prevent delete of selected folder in Win dialog (hobbs)
-
-2009-04-30 (bug fix)[2080533] panedwindow sash draw crash (fellows)
-
-2009-04-30 (bug fix)[2504402] iconphoto on non-32-bit displays (mcdonald,thoyts)
-
-2009-05-01 (bug fix)[2777019] anchor for text rotation (gavilán,fellows)
-
-2009-05-03 (bug fix)[2785744] broken flag twiddling (baker,fellows)
-
-2009-05-13 (bug fix)[2791352] XLFD parsing error (thoyts)
-
-2009-05-14 (new feature) Vista theme support (thoyts)
-
-2009-05-14 (bug fix)[1923684] confused checkbutton state (thoyts)
-
-2009-05-17 (new feature)[1470246] notebook tab orientation control (english)
-
-2009-05-21 (bug fix)[2794778] Win menu keyboard traversal (thoyts)
-
-2009-06-02 (bug fix)[2799589] crash on delayed window activation (thoyts)
-
-2009-06-23 (bug fix)[220935] canvas dash update problem (nijtmans)
-
-2009-06-23 (platform) new subdir 'carbon' preserved for OSX 10.4-
-use --enable-aqua=carbon option to unix/configure to enable (steffen)
-
-2009-06-29 (new feature) source in `macosx` now built on Cocoa (steffen)
-	*** POTENTIAL INCOMPATIBILITY ***
-
-2009-06-30 (platform support) clang static analyzer macros (steffen)
-
-2009-07-15 (bug fix)[2821962] photo image copy/paste (rib,fellows)
-
-2009-07-21 (bug fix)[2356057] rotated underlined text (fellows)
-
-2009-07-22 (bug fix)[2496114] focus in dead window crash (griffin,fellows)
-
-2009-07-23 (bug fix)[2441988] report errors in selection handlers (fellows)
-	*** POTENTIAL INCOMPATIBILITY ***
-
-2009-08-01 (bug fix)[2830420] X iconphoto for big endian (misch,fellows)
-
-2009-08-04 (bug fix) [text] word-wrap of non-breaking space (fellows)
-
-2009-08-14 (bug fix) copy from unmapped toplevel crash (alaoui,steffen)
-
-2009-08-19 (bug fix)[2475855] prevent grid & pack on same master (spjuth)
-
-2009-08-24 (bug fix)[2821084] Cocoa: let WM_DELETE_WINDOW handler stop window
-deletion (walzer,steffen)
-
-2009-08-24 (bug fix) tk::MessageBox bindings for ttk::buttons (steiner,fellows)
-
-2009-08-25 (bug fix)[1909931] [send] update for Fedora 8 (fellows)
-
-2009-09-10 (bug fix) font allocation crash (berezhnoy,fellows)
-
-2009-09-14 (bug fix)[873608] win tearoff menu, no submenu arrows (traum,hobbs)
-
-2009-09-14 (bug fix)[873613] win tearoff menu repeat select (traum,hobbs)
-
-2009-09-25 (bug fix) grayscale from images (vetter,fellows)
-
-2009-10-07 (bug fix)[2088597] min scrollbar slider size (danckaert,fellows)
-
-2009-10-07 (bug fix)[2787164] combobox/menubutton arrow size (thoyts)
-
-2009-10-08 (bug fix)[2870648] file dialog cursor (danckaert,fellows)
-
-2009-10-10 (feature)[1961455] underline, overstrike Xft fonts (caffin,fellows)
-
-2009-10-20 (enhancement) Updates to Polish messages (pawlak)
-
-2009-10-22 (bug fix)[2168768] file dialog -typevariable scope (danckaert)
-
-2009-10-22 (bug fix)[1469210] [text] modified error (danckaert)
-
-2009-10-22 (bug fix)[2883712] 64-bit Aqua progress bar (haffner)
-
-2009-10-24 (bug fix)[1530276] X checkbutton -selectcolor (danckaert)
-
-2009-10-25 (bug fix)[1854913] [.t delete] before -startindex (danckaert)
-
-2009-10-25 (bug fix)[2809525] prevent X crash on overlong color name (goth)
-
-2009-10-29 (bug fix)[1825353] Russian Windows tiny fonts problem (thoyts)
-
-2009-11-01 (new feature) Ttk: [$w identify] now an ensemble (jenglish)
-
-2009-11-19 (bug fix)[2899685] fix [imove] redraw logic (schekin,ferrieux)
-
-2009-11-22 (bug fix)[2899949] crash on widget destroy (meier,thoyts)
-
-2009-11-23 (bug fix)[2902573] Update Safe Tk to new Safe Base (kurpies)
-
-2009-11-24 (bug fix)[2902814] fix [wm iconphoto] on LP64 systems (fellows)
-
-2009-12-08 (bug fix)[2864685] Compiz menu item animation (gavilán,thoyts)
-
-2009-12-11 (bug fix)[2912473] accept :: in DISPLAY name (fellows)
-
-2009-12-15 (bug fix)[2492179] Tcl_ObjType "option" no longer registered (porter)
-	*** POTENTIAL INCOMPATIBILITY for Tcl_GetObjType("option") ***
-
-2009-12-20 (bug fix)[2917663] [send] accept SI:* on auth list (fellows)
-
-2009-12-22 (bug fix)[2912356] [ttk::sizegrip] accommodate Compiz (english)
-
-2009-12-25 (bug fix)[2977688,2546779] tab selection focus (english)
-
-2009-12-27 (bug fix)[2879927] Win: cascade menu highlight (pawlak,thoyts)
-
-2010-01-01 (bug fix)[1924761] stop [event generate] / XIM conflict (fellows)
-
-2010-01-03 (bug fix)[2848897] ODS_NOACCEL flag support (kovalenko,thoyts)
-
-2010-01-04 (bug fix)[2811266] <Return> binding in [tk_dialog] (thoyts)
-
-2010-01-04 (bug fix)[2727476] font dialog appearance (thoyts)
-
-2010-01-05 (bug fix)[220950] [$menu delete] bounds check (fellows)
-
-2010-01-05 [2898255] unlimited multi-file select (pawlak,fellows,thoyts)
-
-2010-01-06 (bug fix)[1163496] X: [wm transient] fix (bateman,fellows)
-
-2010-01-09 (new feature)[TIP 360] Modernize X11 Menus (thoyts)
-
-2010-01-18 (bug fix)[2932808] canvas update on state change (mcdonald,nijtmans)
-
-2010-01-19 (new feature)[TIP 359] Extended Window Manager Hint Support (thoyts)
-
-2010-01-19 (bug fix)[2931374] overflow in complex tag search (schmitz)
-
-2010-02-17 (bug fix)[2952745] crash in menu deletion (english)
-
-2010-02-20 (performance) treeview stop quadratic common case (english)
-
-2010-03-02 (enhancement) -fvisibility-hidden build support (nijtmans)
-
-2010-03-06 (bug fix)[2949774] cascade menu unpost (thoyts)
-
-2010-03-11 (bug fix)[2968379] crash in peer text dump (fellows)
-
-2010-03-17 (bug fix)[2971663] Cocoa entry <Up>, <Down> (goddard,fellows)
-
-2010-03-28 (new feature) [$treeview tag names|add|remove] (english)
-
-2010-04-09 (new feature)[2983824] [$image write -file] use extension of file
-name to select image format (fellows)
-
-2010-04-19 [2898255] unlimited multi-file select (pawlak,fellows,thoyts)
-
-2010-05-31 (bug fix)[3006842] crash on empty bind scripts (english)
-
-2010-06-15 (bug fix)[2585265] text <Delete>,<Backspace> note selection (fellows)
-
-2010-06-15 (new package)[3016598] Tk now provides "tile 0.8.6" (english)
-
-2010-07-19 (new feature) [$photo data -format GIF] (fellows)
-
-2010-08-03 (bug fix) entry validation compat with Itcl scope (hobbs)
-
-2010-08-11 (platform) Drop pre-aix 4.2 support, ldAix (hobbs)
-
-2010-08-21 (patch)[3034251] genStubs steal features of ttkGenStubs (nijtmans)
-
-2010-08-26 (bug fix)[1230554] configure, OSF-1 problems, windows manifest issues (hobbs)
-
-2010-08-31 fixed manifest handling on windows (hobbs, kupries)
-
-2010-09-02 (bug fix)[3057573] specify combobox text fg color (english)
-
-2010-09-05 (enhancement)[3046742,3046750] Improved error dialog UI (fellows)
-
-2010-09-08 (bug fix)[2829363] [$tv see] open item -> sched display (english)
-
-2010-09-13 (platform) limit support to Win2000+ (nijtmans)
-
-2010-10-01 (bug fix)[3078902] no hang operating on zero-size subimages (fellows)
-
-2010-10-05 (bug fix)[3080953] corrupt multibyte char in %A subst (nijtmans)
-
-2010-10-11 (bug fix)[3085489] crash in [tag add/remove] (english)
-
-2010-10-11 (enhancement)[491789] Unicode command line support on Win (nijtmans)
-
-2010-11-03 windows build with -UNICODE (nijtmans)
-
-2010-11-05 Message catalogs reworked to use unicode copyright char (nijtmans)
-
-2010-11-06 Message catalogs resorted, updates to NL (nijtmans)
-
-2010-11-16 (platform) VS 2005 SP1 MSVC compiler (nijtmans)
-
-2010-11-24 (bug fix)[3071836] crash in tk_getSaveFile (twylite)
-
-2010-12-03 (enhancement)[3116490] mingw x-compile improvements (nijtmans)
-
-2010-12-12 (platform) OpenBSD build improvements (cassoff)
-
-2010-12-17 (platform) Revisions to support rpm 4.4.2 (cassoff)
-
-2011-01-06 (bug fix)[2857300] Cocoa: correct text width rounding (walzer)
-
-2011-01-06 (bug fix)[3086887] Cocoa: textured bg windows (walzer)
-
-2011-01-13 (bug fix)[3154705] tk_messageBox close button disabled (skylera)
-
-2011-01-22 (enhancement) add [ttk::entry validate] (schelte,english)
-
-2011-01-24 (bug fix)[2907388] OSX: composite character entry crash (berg,walzer)
-
-2011-03-02 (new doc) tk_mac.n: OS X specific functions (walzer)
-
-2011-03-03 (bug fix)[3175610] incomplete line item refresh (ferrieux)
-
-2011-03-10 (bug fix)[3205260] crash in [wm manage] (boudaillier, thoyts)
-
-2011-03-16 (bug fix)[3181181] tearoff submenu fix (menez, thoyts)
-
-2011-03-19 (bug fix)[3205464] [wm forget] loses window (boudaillier,thoyts)
-
-2011-03-19 (bug fix)[3223850] ttk button state disabled during click (thoyts)
-
-2011-03-22 (bug fix)[3000002] ttk scrollbar size Appearance (garvey,thoyts)
-
-2011-03-24 (bug fix)[3239768] Win menu font support (wehle)
-
-2011-03-28 (bug fix)[3129527] stop buffer overflows (dirtyepic,nijtmans)
-
-2011-04-04 (feature change)[2997657] No -container for [labelframe] (spjuth)
-
-2011-04-04 (bug fix)[723765] [grid remove] lost -in value (saye,spjuth)
-
-2011-04-22 (bug fix)[3291543] mem corrupt when [$canvas dchars] removes all
-coords of a polygon (rogers,spjuth)
-
-2011-04-29 (platform support) [wm forget|manage] on OS X (walzer)
-
-2011-06-06 (bug fix)[2546087] [console] treatment of '\0' (porter)
-
-2011-06-07 (bug fix)[2358545] Restore "08" in spinbox configured with -from
-and -to (porter)
-
-2011-06-10 (bug fix)[3315731] fix [$entry -invcmd] (porter)
-
-2011-06-17 (bug fix)[3062331] crash in unset traces (macdonald,porter)
-
-2011-08-03 (bug fix)[2891541] fix grab behaviour for main window (thoyts)
-
---- Released 8.6b2, August 8, 2011 --- See ChangeLog for details ---
-
-2011-09-22 (bug fix)[3404541] -takefocus option (dzach,english)
-
-2011-10-24 (new feature)[TIP 382] -confirmoverwrite on save dialog (porter)
-
-2011-10-25 (bug fix)[3410609] AltGr keysyms on Swiss keyboard (tasser,kenny)
-
-2011-11-17 (bug fix)[3437816] return code of [canvas lower] (hirner,ferrieux)
-
-2011-12-22 (bug fix)[3235256] correct menu failure on Windows (mcdonald)
-
-2012-01-19 (bug fix)[3021557] cursor freeze in elided text (vogel)
-
-2012-01-22 (bug fix)[3476698] hang in [text mark prev/next] (vogel)
-
-2012-01-25 (bug fix)[3475627] Stop text-31.11 failure (vogel)
-
-2012-01-25 (bug fix)[1630271] hang/crash on mark before -startline (vogel)
-
-2012-01-26 (bug fix)[1754043,2321450] -blockcursor appearance (vogel)
-
-2012-01-27 (bug fix)[3480471] crash in [tk_getOpenFile] (nijtmans)
-
-2012-01-29 (bug fix)[3480634] PNG image in menus (nijtmans)
-
-2012-01-30 (bug fix)[2925561] disabled combobox don't take focus (english)
-
-2012-02-10 (bug fix) win dialog avoid shimmer that confuses Python (fellows)
-
-2012-02-15 (bug fix)[3486474] Correct color scaling (goth,nijtmans)
-
-2012-02-28 (bug fix)[1630262,1615425] [text] crash tags & -*line (vogel)
-
-2012-03-07 (bug fix)[3497848] consistent pixel rounding (fassel,fellows)
-
-2012-03-18 (enhancement)[3503317] XParseColor speedup (nijtmans)
-
-2012-04-07 (bug fix)[3176239] control-Mousewheel crash (couch,nijtmans)
-
-2012-04-22 (bug fix)[3520202] <MouseWheel> %k,%K,%N for Python (deily,fellows)
-
-2012-05-02 (bug fix)[533519] multiscreen window placement (nijtmans)
-
-2012-05-04 (bug fix)[2768586] multiscreen menu posting (nijtmans)
-
-2012-05-28 (bug fix)[1630254] text peer update on -startline reset (baker,vogel)
-
-2012-06-11 (bug fix)[3294450] ttk text element clipping (oehlmann,fellows)
-
-2012-07-02 (bug fix) Make sure all index tables are static (kirkham,english)
-
-2012-07-23 (bug fix)[3546073] DisplayString() -> DefaultDisplay() (english)
-
-2012-08-11 (bug fix)[3554273] text elide and tags (vogel)
-
-2012-08-15 (enhancement)[3555324] Win:Ctrl-A now means Select-All (nijtmans)
-	*** POTENTIAL INCOMPATIBILITY ***
-
-2012-08-22 (new feature)[TIP 403] Use Web color definitions (nijtmans)
-	*** POTENTIAL INCOMPATIBILITY ***
-
-2012-08-23 (enhancement)[3555644] better use of virtual events (nijtmans)
-	*** POTENTIAL INCOMPATIBILITY ***
-
-2012-08-24 (bug fix)[3558535] file dialog filtering (fellows)
-
-2012-08-25 (bug fix)[3554026,3561016] crash with tearoff menus (gavilán)
-
-2012-09-11 (bug fix)[3566594] stop clip region leaks (fellows)
-
-2012-09-15 (bug fix)[3567778] stop hang in wrapped label (porter)
-
-2012-09-17 (bug fix)[3567786] stop segfault in [wm forget] (porter)
-
-Many revisions to better support a Cygwin environment (nijtmans)
-
---- Released 8.6b3, September 18, 2012 --- See ChangeLog for details ---
-
-2012-10-02 (bug fix)[3572016] menu enable after modal dialog (berg,walzer)
-
-2012-10-08 Remove Carbon support
-
-2012-10-24 (bug fix)[3574893] crash in [wm forget] (porter)
-
-2012-11-07 (bug fix)[3574708] crash in focus handling (fellows)
-
-2012-11-14 (bug fix)[3500545] fix [tk_getOpenFile -multiple] (bruederlin)
-
-2012-12-04 (bug fix)[3588824] Support weird image names in [text] (vogel)
-
-2012-12-06 (bug fix)[3592736] stop pink greys from buggy mingw builds (fellows)
-
---- Released 8.6.0, December 20, 2012 --- See ChangeLog for details ---
-
-2013-01-04 (bug fix) Tk_InitStubs("8.6") rejected in 8.60 interp (nijtmans)
-
-2013-01-10 (bug fix)[3600251] Mac <Control-v> binding (kjnash,nijtmans)
-
-2013-01-10 (bug fix)[3600260] <<SelectNextPara>> binding (kjnash,nijtmans)
-
-2013-01-13 (bug fix)[3600290] restore $tk_strictMotif respect (kjnash,nijtmans)
-
-2013-01-22 (bug fix)[3601782] Tcl_InitStubs failure message (nijtmans)
-
-2013-01-31 (bug fix)[3599928] use XKeycodeToKeysym on old systems (cassoff)
-
-2013-02-04 (bug fix)[3603077] treeview update on tag add/remove (english)
-
-2013-02-28 (bug fix)[3599312] First Alt key event is lost (mcdonald)
-
-2013-03-11 (bug fix)[3607326] Crash [listbox .l -listvariable $array] (porter)
-
-2013-03-13 (enhancement) better build support for Debian arch (shadura)
-
-2013-03-27 (bug fix)[3608074] button, listbox, menu <<Invoke>> (nijtmans)
-
-2013-04-01 (bug fix)[3607830] Xkb runtime checks (griffin)
-
-2013-05-19 (platform support) FreeBSD updates (cerutti)
-
-2013-06-05 (bug fix)[3613759] [ttk::entry .e; .e xview end] (nijtmans)
-
-2013-06-05 (bug fix)[2100430] [ttk::entry .e; .e xview insert] (nijtmans)
-
-2013-06-28 (bug fix)[2501278] reverse ttk::scale key bindings {mcdonald)
-
-2013-07-02 (bug fix)[32afa6] corrected dirent64 check (griffin)
-
-2013-08-14 (bug fix)[069c9e] "option" value refcount crash (tim,nijtmans)
-
-2013-08-15 (bug fix)[c597acd] [$pb step] work with traces (english)
-
-2013-08-25 (bug fix)[3016181] Cocoa: [destroy $scrollbar] => crash (goddard)
-
---- Released 8.6.1, September 19, 2013 --- http://core.tcl.tk/tk/ for details
-
-2013-10-27 (bug fix) OSX drawing lags (deily,steffen,walzer)
-
-2013-10-28 (bug fix)[3603436] png wrong component indices (nijtmans)
-
-2013-10-31 (bug fix) C++ friendly stubs struct declarations (nijtmans)
-
-2013-10-31 (bug fix)[c0cc9fd] PNG parser accept uppercase -format (nijtmans)
-
-2013-10-31 (bug fix) double free of a TkFont (nijtmans)
-
-2013-11-03 (bug fix)[1632447] support PPM maxval up to 65535 (fellows)
-
-2013-11-05 (bug fix)[426679e] OpenBSD man page rendering (nijtmans)
-
-2013-11-11 (bug fix)[f214b8a] multi-interp font teardown double free (porter)
-
-2013-11-11 (bug fix)[0aa5e85] option file \n syntax support (nijtmans)
-
-2013-11-20 (platforms) Support for Windows 8.1 (nijtmans)
-
-2014-01-23 (bug fix)[3606644] X: correct fontconfig dependence (venable)
-
-2014-01-23 (bug fix) FreeBSD build fixes (cerutti)
-
-2014-02-06 (bug fix)[3279221] [menu] event race (danckaert,kupries)
-
-2014-02-07 (bug fix)[6867cc1] creative writing in [tk fontchooser] (nijtmans)
-
-2014-02-11 (bug fix)[52ca3e7] XkbOpenDisplay macro correction (nijtmans)
-
-2014-03-16 (bug fix) Xcode 5.1 update; Retina displays (walzer)
-
-2014-03-20 (bug fix)[2f7cbd0] FreeBSD 10.0 build failure (nijtmans)
-
-2014-04-01 (bug fix)[5bcb502] @TK_LIBS@ in pkgconfig (badshah400,nijtmans)
-
-2014-05-27 (bug fix)[a80f5d7] autoscroll initiation (crogers,english)
-
-2014-07-07 (bug fix) OSX alpha channel rendering (culler,walzer)
-
-2014-07-08 (workaround)[4955f5d] Ocaml trouble with tailcall splice (nijtmans)
-
-2014-07-24 (bug fix) OSX [text] image display & scrolling (culler,walzer)
-
-2014-08-01 (bug fix) OSX font config crash (rob@bitkeeper)
-
---- Released 8.6.2, August 27, 2014 --- http://core.tcl.tk/tk/ for details
-
-2014-08-27 (bug) Cocoa: Crash after [$button destroy] (walzer)
-
-2014-09-23 (bug) Cocoa: button and scroll display fixes (walzer)
-
-2014-09-24 (bug) Cocoa: improved drawing performance (walzer)
-
-2014-10-11 (bug)[9e487e] Phony button clicks from browsers to plugin (nijtmans)
-
-2014-10-11 (bug)[810c43] [text] elide changes advance epoch (vogel)
-
-2014-10-14 (bug)[fb35eb] fix PNG transparency appearance (walton,culler)
-
-2014-10-18 (feature)[TIP 432] Win: updated file dialogs (nadkarni)
-
-2014-10-26 Support for Windows 10 (nijtmans)
-
-2014-10-28 (bug) OSX: Improved ttk notebook tab metrics for Yosemite (walzer)
-
-2014-10-30 (bug)[3417012] [scale -digits $bigValue] segfault (vogel)
-
-2014-11-07 (bug)[3529885] [scale] handling of negative resolution (vogel)
-
---- Released 8.6.3, November 12, 2014 --- http://core.tcl.tk/tk/ for details
-
-2014-11-14 (bug)[d43a10] shimmer-related crash in [tk_getOpenFile] (nadkarni)
-
-2014-11-23 (bug)[1c0d6e] Win build trouble with SIGDN (keene)
-
-2014-12-03 (bug)[4a0451] [tk_getOpenFile] result (nadkarni)
-
-2014-12-13 fix header files installation on OS X (houben)
-
-2015-01-02 (bug) Stop bit loss in [winfo id] on 64-bit Cocoa (porter)
-
-2015-02-06 (bug) several fixes to elided context in [text] (vogel)
-
-2015-02-06 (new feature)[TIP 433] %M binding substitution (mistachkin)
-        *** POTENTIAL INCOMPATIBILITY ***
-
-2015-02-22 (bug)[ab6dab] corrupt dashed lines in postscript (porter)
-
-Tk Cocoa 2.0: App Store enabled (walzer,culler,desmera,owen,nyberg,reincke)
-        *** POTENTIAL INCOMPATIBILITY ***
-
---- Released 8.6.4, March 12, 2015 --- http://core.tcl.tk/tk/ for details
-
-2015-03-10 (bug) Cocoa: premature image free crash (walzer)
-
-2015-03-15 (bug) Cocoa: wish launches in front. [focus -force] works (culler)
-
-2015-04-09 (bug)[e4ed00] [$text index "1.0 display wordstart"] crash (vogel)
-
-2015-04-09 (bug)[562118] Unicode support of "wordstart" modifier (vogel)
-
-2015-05-05 (bug)[06c3fc] PNG alpha error corrupted output file (gauthier,porter)
-
-2015-05-20 (bug)[dece63] various mem corruptions in images (mic42,porter)
-
-2015-05-24 (bug)[53f8fc] panedwindow geometry management (vogel)
-
-2015-05-26 (bug)[1641721] tk_getOpenFile symlink display doubled (nijtmans)
-
-2015-06-01 (bug)[d7bad5][2368195][3592454][1714535][1292219][3592454]
-                panedwindow fixes (vogel)
-
-2015-06-25 (bug)[805cff] Tk_ConfigureWidget() segfault (aspect,nijtmans)
-
-2015-07-13 (bug)[3f179a] Text widget crash with elided text (vogel)
-
-2015-07-16 (bug)[2886436] Stop [$text delete] acting before start index (vogel)
-
-2015-07-28 (bug)[1236306] TraverseToMenu error bound to toplevel destroy (vogel)
-
-2015-08-20 (bug)[00189c] MSVC 14: semi-static UCRT support (dower,nijtmans)
-
-2015-09-13 (bug)[cc0ba3] PNG read buffer overflow (maxjarek,porter)
-
-2015-09-29 (bug)[1501749] Crash embedded window delete bound to <Map> (vogel)
-
-2015-10-04 (license) Replace icons that lacked clear free license (cowals)
-
-2015-10-06 (bug)[46c83f] Win: tk_getOpenFile -initialdir (koend,nadkarni)
-
-2015-10-08 (new feature)[TIP 437] New panedwindow options (vogel)
-
-2015-10-09 (bug)[1669632] [text] autoseparator placement (nash,vogel)
-
-2015-10-09 (bug)[2262711] [text] RE search Unicode+elided (kaitzschu,vogel)
-
-2015-10-09 (bug)[1815161] [$text count -ypixels] needs management (vogel)
-
-2015-10-22 (bug)[1520118] Document spinbox validate expectations (vogel)
-
-2015-10-22 (bug)[1414025] $entry insertion cursor visibility (vogel)
-
-2015-10-26 (bug) PNG rendering on El Capitan (meier,walzer)
-
-2015-11-08 (bug)[2160206] menubutton panic (vogel)
-
-2015-11-08 (bug)[220854] Display trailing TAB in entry (vogel)
-
-2015-11-08 (bug)[542199] double click on lone char in entry (vogel)
-
-2015-11-08 (bug)[297442d] strict motif binding on <Control-underscore> (vogel)
-
-2015-11-08 (bug)[3601604] $listbox -takefocus (vogel)
-
-2015-11-09 (bug)[5ee8af] X, Win: 64-bit enable embedded windows (vogel)
-
-2015-11-29 (bug)[1997299] [text] tag borderwidth leak (vogel)
-
-2015-12-12 (bug)[1739605] [text see] misbehavior (danckaert)
-
-2015-12-13 (bug)[ff8a1e] Never-mapped [text] performance (danckaert)
-
-2015-12-19 (bug)[1700065] Report errors from -textvariable write trace (vogel)
-
-2015-12-19 (bug)[793909] -textvariable handle undefined namespace (vogel)
-
-2015-12-26 (bug)[2f78c7] crash with [text] and [tablelist] (vogel)
-
-2016-01-06 (bug)[1288433,3102228] <<ListboxSelect>> misfires (vogel)
-
-2016-01-08 (bug)[1510538] initial scrollbar width (vogel,nijtmans)
-
-2016-01-08 (bug)[1305128] event not received by scrollbar (vogel,nijtmans)
-
-2016-01-09 (bug)[1927212] Mousewheel/scrollbar bindings (vogel)
-
-2016-01-11 (bug)[63c354] Cocoa message boxes (culler)
-
-2016-01-12 (bug)[2049429] get more $text options from database (vogel)
-
-2016-01-22 (TIP 441) New option [listbox ... -justify] (vogel)
-
-2016-01-25 (bug) OBOE in ttk::notebook options parsing (bromley,english)
-
-2016-02-08 (enhance) [option readile] expects utf-8 file (oehlmann,nijtmans)
-
-2016-02-08 (bug) crash in [$text delete] (griffin,vogel)
-
-Tk Cocoa 2.0: More drawing internals refinements (culler,walzer)
-
---- Released 8.6.5, February 29, 2016 --- http://core.tcl.tk/tk/ for details
-
-2016-03-07 (bug)[3137232] spinbox teardown hygiene (vogel)
-
-2016-03-07 (bug)[2981253] spinbox rapid button action (vogel)
-
-2016-03-07 (bug)[2262543] scale initialization callbacks (vogel)
-
-2016-03-07 (bug)[e9112e] incomplete [wm forget] (vogel)
-
-2016-03-11 (bug)[d95e5d] <Map> from hidden panes (vogel)
-
-2016-03-20 (TIP 443) More configuration options for text tags (vogel)
-
-2016-03-20 (bug)[487861] menu: cascade/accelerator appearance (vogel)
-
-2016-03-27 (bug)[1192095] active index from toplevel menus (vogel)
-
-2016-03-27 (bug)[18c08d] revised final newline behavior in [text] (vogel)
-        *** POTENTIAL INCOMPATIBILITY ***
-
-2016-04-29 (bug)[fd3a4d] <<Modified>> delivery to text peers (vogel)
-
-2016-05-03 (bug)[b36218,011706] event reentrancy / widget destruction (vogel)
-
-2016-05-12 (bug)[64261b] mouse events after double click (nadmarki,nijtmans)
-
-2016-05-18 (bug)[545f10] Xft color font speed (bonfield,davies,girffin,vogel)
-
-2016-05-25 (bug)[109865] event reentrancy / widget destruction (vogel)
-
-2016-05-30 (TIP 446)[1273358] [$text edit (canundo|canredo)] (vogel)
-
-2016-05-30 (bug)[79549a] crash in mouse pointer warping (vogel)
-
-2016-06-22 (bug)[787adc] Modernize Tk_Init() (porter)
-
-2016-07-06 (bug) Aqua: excess lable padding (lanam,walzer)
-
-2016-07-08 (bug) Aqua: bitmap distortion (culler,walzer)
-
-2016-07-15 (bug) Aqua/Retina: fix alpha rendering of images (culler,walzer)
-
-2016-07-17 (bug)[c84f66] Aqua: crash: overflow in geometry calc (culler,walzer)
-
-2016-07-21 (bug)[450bb0] Aqua: memory corruption from [tk busy] (porter)
-
---- Released 8.6.6, July 27, 2016 --- http://core.tcl.tk/tk/ for details
-
-2016-08-23 (bug)[a2abc4] Wrong warp cursor position on 2nd display (vogel)
-
-2016-08-29 (bug)[fa3229] menu-38.1 (calvo,vogel)
-
-2016-08-29 (bug)[2cf3d6] button-5.24 (vogel)
-
-2016-09-04 (bug)[1534455,2945130] Key release events get _L vs _R right. (vogel)
-
-2016-09-10 (bug)[8c4216] listbox-4.1 (vogel)
-
-2016-09-10 (bug)[eb2681] listbox-13.1 (vogel)
-
-2016-09-21 (bug)[3126428] ttk::button react to image change (thoyts)
-
-2016-10-09 (bug)[1082213] wrapped text don't start lines with whitespace (vogel)
-
-2016-10-12 (bug)[3217462] tri-state button on non-native theme (vogel)
-
-2016-10-30 (bug)[3588460] Fix file dialog -typevariable (vogel)
-
-2016-11-01 (bug)[e36963] event generate .e <diaeresis> (matthias,vogel)
-
-2016-11-05 (bug)[6aea69] grid-23 (danckaert,vogel)
-
-2016-11-18 (bug)[f60c54] combobox-3 (panza,vogel)
-
-2017-01-03 (bug)[f32502] crash drawing many dashed objects (reithofer,werner)
-
-2017-01-05 (bug)[dac92f] text-2.[89] (vogel)
-
-2017-01-07 (bug)[3df559] OSX: Negative bbox width (vogel)
-
-2017-01-07 (bug)[28a453] OSX: text widget index OBOE (vogel)
-
-2017-01-07 (bug)[c12af7] OSX: text-21.1 (vogel)
-
-2017-01-08 (bug)[7a838c] X11 ring buffer overflow (werner)
-
-2017-01-11 (bug)[d4fb4e] imgPhoto-4.75 (nijtmans)
-
-2017-01-18 (bug)[fab5fe] OSX: repair textDisp failures (vogel)
-
-2017-01-23 (bug)[89a638] OSX: textDisp-15.8 (vogel)
-
-2017-01-25 (bug)[1403ea] Limits on text line size on Windows (spjuth)
-
-2017-02-05 (bug)[ae32eb] textDisp fails in text custom config (vogel)
-
-2017-02-05 (bug)[7d967c] crash after IME restart (lanam,nijtmans)
-
-2017-02-22 (bug)[c492c9] disabled combobox arrow appearance (danckaert)
-
-2017-03-06 (bug)[6b3644] Fix -alpha for 16-bit color PNG (LemonMan)
-
-2017-03-11 (bug)[775273] artifacts on Ubuntu 16.10+ (nemethi)
-
-2n017-03-26 (TIP 464) Win multimedia keys support (fassel,vogel)
-
-2017-03-29 (bug)[28a3c3] test BTree memleaks plugged (anonymous)
-
-2017-04-06 (bug)[db8c54] Stop freed mem access in warp pointer callback (porter)
-
-2017-04-07 (bugs) Fix calculation of ttk::notebook tab widths (vogel)
-
-2017-04-07 (bug)[291296] notebook tab management (decoster)
-
-2017-04-08 (bug)[f0188a] Win reject invalid hex color codes (bachmann)
-
-2017-04-10 (bug)[3f323b] variable struct size on XCode 8.3.1 (auriocus)
-
-2017-04-20 (bug)[061bf9] OSX scrollbar draw position (reincke,walzer,joye)
-
-2017-05-01 (bug) restore -initialfile for OSX file dialogs (reincke,gollwitzer)
-
-2017-05-06 (bug) OSX file dialog type filters (walzer)
-
-2017-05-10 (bug)[a5ba1c] race condition on Win clipboard cleanup (donchenko)
-
-2017-05-18 (bug)[2433781] center image on button (cramer)
-
-2017-05-19 (bug)[434d29] type mismatch with recent Xft (nijtmans,werner)
-
-2017-06-02 (bug)[bc43fd] paneconfigure get pane heights right (vogel)
-
-2017-06-21 (bug)[adc028] menu avoid unreleasable global grab (nash)
-
-2017-06-30 (bug)[92e028,c5eb90] User switch forced theme reset (lanam)
-
-2017-06-30 (bug)[62c5b7] segfault in [text] replace (werner)
-
-2017-07-03 (bug)[8afc6c] OSX crash in save/open dialogs (simpson,walzer)
-
-2017-08-02 (bug)[b601ce] Resource exhaustion processing corrupt GIF (nash)
-
-2017-08-03 (bug)[9eab54] Fix -initialdir for OSX file dialogs (gollwitzer)
-
-2017-08-08 (bug)[28d0b8] Follow ICCCM advice on X selection protocol (donchenko)
-
-2017-08-08 (bug)[4966ca] Scidb race in notebook tab selection (cramer)
-
---- Released 8.6.7, August 9, 2017 --- http://core.tcl.tk/tk/ for details
-
-2017-08-24 (bug)[f1a3ca] Memory leak in [text] B-tree (edhume3)
-
-2017-08-24 (bug)[ee40fd] Report [console] init errors (the)
-
-2017-08-24 (bug)[3295446] Improve history visibility in [console] (goth)
-
-2017-08-24 (bug) canvas closed polylines fully honor -joinstyle (vogel)
-
-2017-08-24 (bug)[cc42cc] out of mem crash in tests imgPhoto-18.* (vogel)
-
-2017-09-16 (bug)[3406785] fix coords rounding when drawing canvas items (vogel)
-
-2017-09-24 (bug)[8277e1] linux fontchooser sync with available fonts (vogel)
-
-2017-09-24 (bug)[5239fd] Segfault copying a photo image to itself (bachmann)
-
-2017-09-24 (bug)[514ff6] canvas rotated text overlap detection (vogel)
-
-2017-09-24 (bug)[1e0db2] canvas rchars artifacts (bruchie,vogel)
-
-2017-10-07 (bug)[d9fdfa] display of Long non-wrapped lines in text (cramer)
-
-2017-10-07 (bug)[dd9667] text anchor not set (vogel)
-
-2017-10-11 (bugs) memleaks and other changes for macOS 10.13 support (culler)
-
-2017-10-11 (bug)[111de2] macOS colorspace improvement (walzer,culler)
-
-2017-10-13 (bug) macOS scrolling issues (culler)
-
-2017-10-15 (bug) clipping regions in scrolling and drawing on macOS (culler)
-
-2017-10-15 (bug) macOS redraw artifacts (culler)
-
-2017-10-22 (bug)[bb6b40] ::tk::AmpMenuArgs and 'entryconf' (vogel)
-
-2017-10-22 (bug)[55b95f] Crash [scale] with a bignum value (vogel)
-
-2017-10-28 (bug)[ce62c8] text-37.1 fails (vogel)
-
-2017-11-03 (bug)[0ef1c5] OS X - tests menu-22.[345] hang (vogel)
-
-2017-11-04 (bug)[c8c52b] repair OBOE in menu.test on macOS (vogel)
-
-2017-11-11 (feature) Implement [wm_iconphoto] on macOS (walzer)
-
-2017-11-11 (bug) display of embedded toplevels (culler)
-
-2017-11-19 (bug)[73ba07] Correct property type for MULTIPLE conversion (dpb)
-
-2017-11-20 (bug) Memory leak in tkImgPhoto.c. (werner)
-
-2017-11-21 (bug) Defeat zombie toplevels (culler)
-
-2017-11-25 (bug) macOS resposive menu bar for command line apps (culler)
-
-2017-11-25 (bug)[1c659e] support png from mac screenshots (vogel)
-
-2017-11-25 (bug)[de4af1] macOS file selector "all types" setting (culler)
-
-2017-11-26 (bug) [wm withdraw] on Window and Dock menus (walzer)
-
-2017-11-27 (feature) Drop support for macOS 10.5 (culler)
-
-2017-11-30 (bug)[164c1b] Fixes [raise] on macOS (culler)
-
-2017-11-30 (bug)[13d63d] macOS support of menu -postcommand (culler)
-
-2017-12-05 (bug) enable custom icon display on macOS (walzer)
-
-2017-12-05 (bug)[1088805,0feb63] macOS bind failures (culler)
-
-2017-12-05 (bug)[3382424] Suppress noisy messages on macOS (culler)
-
-2017-12-08 (new)[TIP 477] nmake build system reform (nadkarni)
-
-2017-12-18 (bug)[b77626] Make [tk busy -cursor] silent no-op on macOS (vogel)
-
---- Released 8.6.8, December 22, 2017 --- http://core.tcl.tk/tk/ for details