source, but it doesn't yet show the stack).

assign the exception info to sys.last_{type,value,traceback}.  That
way, an introspective Tkinter app can inspect its own stack trace.

(The controversy is that it would keep some objects alive, but that's
probably no big deal.)

statements now also stop at ';' (formerly they only stopped at '#').

x/yview_scroll/moveto.)

and it opens the source.

Other stuff so the PyShell window can be resurrected from the Windows menu.

Create a simple Windows menu.  (Imperfect when Untitled windows exist.)
Add wakeup() method: deiconify, raise, focus.

reliably; check return value of vsprintf().

broken; it asked for the current thread state when there was none.
Fixed by using the saved event_tstate.

	from a.b import c
	import a . b

Add a label at the bottom showing the exception info.