Crude hack to make sure the quit command is called

Lib/idlelib/config-keys.def

@@ -193,7 +193,7 @@ cut=<Command-Key-x>
 paste=<Command-Key-v>
 beginning-of-line= <Key-Home>
 center-insert=<Control-Key-l>
-close-all-windows=<Key-F35>
+close-all-windows=<Command-Key-q>
 close-window=<Command-Key-w>
 do-nothing=<Control-Key-F12>
 end-of-file=<Control-Key-d>
@@ -264,7 +264,7 @@ redo = <Shift-Command-Key-Z>
 close-window = <Command-Key-w>
 restart-shell = <Control-Key-F6>
 save-window-as-file = <Shift-Command-Key-S>
-close-all-windows = <Key-F35>
+close-all-windows = <Command-Key-q>
 view-restart = <Key-F6>
 tabify-region = <Control-Key-5>
 find-again = <Command-Key-g> <Key-F3>

Lib/idlelib/macosx.py

@@ -13,6 +13,10 @@
 
 _tk_type = None
 
+def _on_quit():
+    # on quit callback, overridden in setupApp
+    pass
+
 def _init_tk_type():
     """ Initialize _tk_type for isXyzTk functions.
 
@@ -34,6 +38,12 @@ def _init_tk_type():
                 return
 
         root = tkinter.Tk()
+
+        # Add an ::tk::mac::Quit command to the root because Tk
+        # seem to only call the quit command created in the 
+        # first `tkinter.Tk` instance.
+        root.createcommand('::tk::mac::Quit', lambda: _on_quit())
+
         ws = root.tk.call('tk', 'windowingsystem')
         if 'x11' in ws:
             _tk_type = "xquartz"
@@ -158,6 +168,7 @@ def overrideRootMenu(root, flist):
     from idlelib import mainmenu
     from idlelib import window
 
+
     closeItem = mainmenu.menudefs[0][1][-2]
 
     # Remove the last 3 items of the file menu: a separator, close window and
@@ -218,6 +229,11 @@ def help_dialog(event=None):
     if flist:
         root.createcommand('::tk::mac::Quit', flist.close_all_callback)
 
+        # Override the _on_quit helder, see comment in
+        # _init_tk_type for the background on this
+        global _on_quit
+        _on_quit = flist.close_all_callback
+
     if isCarbonTk():
         # for Carbon AquaTk, replace the default Tk apple menu
         menu = Menu(menubar, name='apple', tearoff=0)