In a recent note, Joseph W. Beiter said:

> Date:         Mon, 6 Nov 2006 13:56:17 -0600
> 
> "...But the vendor fails to declare the dependency..."
> 
> Point right on. This is the vendors responsibility no? Else who/how to
> protect the integrity of the maintenance chain? The customer?
> 
If you're saying that vendors should never make mistakes, well, yes,
but they (we) (even IBM) do.  If vendors never made mistakes, there
would be no use for ++ HOLD ERROR.

> My original post was to try to understand other conditions where this
> would be necessary as a standard way of doing business. It sounds like the
> answer is no. Exceptions not withstanding, we should always expect that a
> pe'd ptf will be removed from the chain or sup'd by the correcting
> maintenance. thanks.
> 
"Exceptions not withstanding".  Well, of course.  Except for the
exceptions everything is unexceptional.  I agree with Tom Marchant
in observing that it may be quite routine, not even exceptional
for a corrective SYSMOD not to SUPersede another SYSMOD in which
it resolves an error.

It would be possible always to SUPersede, but in the case where
an error in a large SYSMOD can be corrected by a smaller SYSMOD,
I consider the minimalist approach prudent.

-- gil
-- 
StorageTek
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