Scope of variables in a function

[Andrew Beverley]

On Sat, 2013-06-01 at 20:33 +0100, Anthony Lucas wrote:
> Relying on its _contents_ is what you shouldn't be doing. There' a
> difference.

Okay, in which case I reckon there should be a warning when trying to
use the contents, when the declaration hasn't happened because of the
condition ;-)