On Sat, 2 Aug 2025 17:52:19 +0100, Rupert Reynolds wrote:

>Makes sense, I'd agree. It's been many years, but I still miss JES3
>sometimes. Sigh...
> 
It's a pity that neither JES2 nor JES3 is a true superset of the other,
burdening ISVs with restricting customer-facing JCL to the
intersection set and testing twice.

And some valuable facilities such as SDSF and the JCL OUTPUT
statement have appeared first on JES2 and were only later
ported to JES3

-- 
gil

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