ESPOL compiler declares NESTOG twice

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The ESPOL compiler declares the variable NESTOG twice in the same block: (1) as 
a define at 01001310, and (2) as a Boolean variable at 017723000. From the 
cross-reference, it appears that the B5500 compiler ignores the define and uses 
the Boolean. This variable is never used as the destination of an assignment, 
so it's probably just dead code (from a no-longer implemented $-option). The 
define was commented out in ESPOLXEM, so for now will do the same in the base 
ESPOL source.

Original issue reported on code.google.com by paul.kimpel@digm.com on 26 Sep 2012 at 11:36