On Mon, 6 Nov 2006 11:47:58 -0600, Joseph W. Beiter 
<[EMAIL PROTECTED]> wrote:

>are there conditions where a pe'd ptf is not sup'd but instead marked per
>by the correting ptf ?  a 3rd party software vendor is attempting to make
>this business as usual and I'd rather they stuck to convention. What's to
>prevent regression of the fixing sysmod without regressing the pe'd ptf?
>thanks.
>

Do you mean PRE?

Suppose PTF X includes modules A and B.  It becomes PE.  The code
in B is ok, but the code in A needs to be replaced.  The vendor
then has two choices.  Either SUP X with a PTF Y containing A and
B or provide a PTF containing just A with a PRE to pick up B.

Do you mean regressing or restoring?

If you're talking about regression, I have to ask what causes
the regression.  If BYPASS(ID) or a poorly constructed PTF thar
re-introduces the error of PTF X, all bets are off.

In the case of RESTORE, if you have already ACCEPTed PTF X but
not Y, you can certainly restore PTF Y.  Indeed, there might be
a case to do exactly that, if PTF Y introduced another problem
that was worse in your shop than the error introduced by PTF X.

-- 
Tom Marchant

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