From: Bojan Petrovic <bpetrovi@...>
Date: 2005-12-03T07:28:46+09:00
Subject: Re: Accessing tcl/tk global variables from callbacks

Sorry everyone, i guess the best way to learn Tcl is by learning
Tcl, not Python. :)
Global variables must be declared in a proc by "global varName".
The Python behaviour is in some sense anomalous.