In <[EMAIL PROTECTED]>, on 03/14/2006
   at 08:25 PM, Chris Mason <[EMAIL PROTECTED]> said:

>The real reason I'm posting - and again relying on positively antique
>OS education - is that I have always treated it as a golden rule of
>data set concatenation that the attributes of the first data set in
>the concatenation reign supreme - in other words, the attributes of
>the first data set will be the ones set in the OS control blocks at
>the time the data set is opened and the attributes of succeeding data
>sets are utterly ignored. Well, I dare say there may be some
>exceptions to this rule and this is the perfect forum for these
>exceptions to be "flushed out".

There's a bit in the DCB for concatenation of unlike attributes, and
it's been there since the 1960's. There's additional support for mixed
block sizes that came in incrementally with various releases of DFP.
For a long time it has been the cases that are not handled that are
the exceptions rather than the cases that are handled.

>Now I'll stick my neck out and suggest that maybe the manual author
>has got a few points wrong

Certainly writting "statement" when he ws referring to a record rather
than a statement.
 
-- 
     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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