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On 2023-02-21 3:37 p.m., Peter Dow wrote:
Thanks Vinay.

Both the PDF and the online documentation for 7.4, and what you said, are misleading. They appear to state the the *AUTO parameter of the DTAARA keyword is what makes it a data area data structure, but in fact it is the DTAARA keyword that does that, not the *AUTO parameter. The PDF is particularly bad in that it does not explain what the *AUTO parm actually indicates.
It's actually the combination of the DTAARA keyword plus *AUTO.

A "data area data structure" is a data structure that is automatically read and locked during the *INIT phase and automatically written out and unlocked during the *TERM phase when *INLR is on.

With the DTAARA keyword but without *AUTO, it's just a data structure that can be used to read/write a data area with the IN and OUT opcodes.

I agree that the documentation isn't great for the DTAARA keyword.

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