On Thu, 24 Jul 2025 02:25:02 +0000, kekronbekron <[email protected]> 
wrote:

>This'll allow automation tools to switch over piece by piece (if & where 
>needed), 

No automation product (Netiview, AutoOperator, Ops z/OS, ...) will ever switch 
to OPERLOG because it's too slow, causes problems and doesn't provide any 
benefit.

>and then default to the wide records format.

There is no "wide record format" and continuations are a presentation issue. 
Messages are intact prior to being presented to the user. TN3270 allows you to 
set your screen size and default to 80 characters wide. If the message is 
presented to an 80-character wide console, then wrapping will occur but if 200 
characters wide then it will never wrap (I believe primary message max is 128, 
secondaries 80 and specifying all possible message options will max out around 
40). 

Messages presented to TSO CONSOLE command will not have a continuation. 

Messages presented to SYSLOG will have a continuation around 132 characters. No 
one has complained enough to cause IBM to increase this size. 

Automation products receive events from several sources and are capable of 
handling much larger than system messages. In fact, system messages include a 
lot more information than presented to users. Consult your automation 
documentation for the information available with a message event.

OPERLOG is like the automation products in that it retains detailed records of 
each message instead of presenting the message.

Zowe uses OPERLOG and decides how best to present each message. 

>By parallel run, I mean letting the current, split-up behaviour remain the 
>canonical way/source,

This is referred to as multi-tasking which has nothing to do with messages. A 
program needing multi-tasking must be designed using multi-tasking philosophy.

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