proc A def/calls proc B: variable scoping rules.

[Steve Holden]

NevilleDNZ wrote:
> Steve Holden wrote:
> 
>>Hardly surprising. This statement is an assignment to x2, which
>>therefore becomes local to the function. Since no previous value has
>>been assigned to this local, the exception occurs.
> 
> 
> But: In this case the assignment is never reached.... eg..

Doesn't matter. It's not the *execution* of the assignment that makes 
the name local, it's the *existence* of the assignment, detected by 
static code analysis.

regards
  Steve
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