On Tue, 2011-01-18 at 13:27 -0500, Tom Marchant wrote:
> If GDG.DSNAME(0) is GDG.DSNAME.G0001V00, then GDG.DSNAME(+1)
> will be GDG.DSNAME.G0002V00 for any reference in that job.

The GDG name table (GDGNT, mapped by IEFZB429, pointed to from the JCT)
contains a list of GDG base names, and their base (+0) generation
numbers.  It is this static table that resolves relative generation
numbers in JCL.

-- 
David Andrews
A. Duda & Sons, Inc.
david.andr...@duda.com

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