On Tue, 1 Dec 2020 11:34:54 +0000, Seymour J Metz wrote:

>Does anybody have a real 3270 they can test it on? FWIW, it works on TSPF, and 
>Tritus was extremely serious about compatability.
>
Is a written specification available, as opposed to empirical?
Does IBM market "a real 3270" nowadays?

Many emulators replace NULs followed by a non-null charater with
spaces in the transmitted data stream, claiming WYSIWIG as a
motivation.  This is often configurable in Settings.

At times I've relied on the original behavior.  To append characters
to a line it may be faster to "<-" around the right edge of the screen,
type there, and rely on collapse of the intervening NULs.

Long ago I used a 3270 lookalike, hardware, which optionally
displayed NULs visibly distinguished  from spaces.


>________________________________________
>From: Rob Scott 
>Sent: Tuesday, December 1, 2020 3:50 AM
>
>I have just tested the ISRTSO (and ISRTSOA) panels in ISPF 7.2 and they both 
>fail the first issue (SKIP) when shown in a POPUP (this is expected).
>
>They both fail the second issue (INSERT/EOF) no matter if POPUP or not.

-- gil

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