gh-110345: show Tcl/Tk patchlevel in tkinter._test() (GH-110350)

Lib/tkinter/__init__.py

@@ -4715,7 +4715,7 @@ def panes(self):
 
 def _test():
     root = Tk()
-    text = "This is Tcl/Tk version %s" % TclVersion
+    text = "This is Tcl/Tk %s" % root.globalgetvar('tk_patchLevel')
     text += "\nThis should be a cedilla: \xe7"
     label = Label(root, text=text)
     label.pack()

Misc/NEWS.d/next/Library/2023-10-04-11-09-30.gh-issue-110345.fZU1ud.rst

@@ -0,0 +1 @@
+Show the Tcl/Tk patchlevel (rather than version) in :meth:`tkinter._test`.