On 10 December 2010 19:03, Tony Harminc <[email protected]> wrote:
>  Should I take it from this that a prospective user of any
> service needs to check both the macro and the book and use the most
> restrictive interpretation?
>

The book will have a clear definition of what part of the interface is
GUPI vs what part is PSPI.

GUPI == general usage programming interface
PSPI == product specific programming interface

PSPI code is normally reserved for IBM internal and/or OEM vendors
rather than end users.

If you use a PSPI when it breaks because IBM have changed something
you'll get to keep both pieces. If you don't have the right Q&A
support contracts in place with IBM you could get a bill from your
local software support centre when IBM have spent more than a couple
of hours debugging your bug in your code.

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