In <[EMAIL PROTECTED]>, on 01/18/2006
   at 11:28 PM, Paul Gilmartin <[EMAIL PROTECTED]> said:

>Suppose I build a PTF and APPLY it.  I have second thoughts, and
>rebuild it with a considerably different set of elements from the
>original; RECEIVE; and APPLY REDO.  Is the result the same as if the
>earlier version had never existed and only the later were APPLYed, or
>is it some sort of merging of the two different versions?

No. The result is instant seppukko.

>Recent unpleasant experience suggests that it merges rather than
>replaces:

It replaces what is in the new PTF. It does not RESTORE elements
affected by the old PTF.

>How do I undo this mess?

A new PTF, listing the old one in SUP and containing the correct level
of every element replaced by either.

>This surely provokes a wishlist item:  If I attempt APPLY REDO, and
>there are elements in the target zone with the RMID of the PTF, but
>not in the PTF itself, SMP/E should report an error and fail the
>APPLY.

That sounds reasonable; have you submitted a requirement?
 
-- 
     Shmuel (Seymour J.) Metz, SysProg and JOAT
     ISO position; see <http://patriot.net/~shmuel/resume/brief.html> 
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)

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