I am not sure if this directly addresses your issue or not, but check out this reply to the article (1.3.1 just released to fix a problem undeclared globals and

I am not sure if this directly addresses your issue or not, but check out this reply to the article (1.3.1 just released to fix a problem undeclared globals and or= ) http://news.ycombinator.org/item?id=3824543 http://news.ycombinator.org/item?id=3824543