On Thu, 5 Mar 2026 12:39:56 -0500, Phil Smith III <[email protected]> wrote:

>Ok, not really, but "railroad tracks" always make me think of the Trolley 
>Problem.
>
>From z/OS XL C/C++ User's Guide, SC14-7307-00, page 83 (PDF page 103)
>
>=================
>Syntax
>
>    |-NOCICS-|
>>>--+-CICS---+--+--------------------+------------------------------------><
>                |                    |
>                |   +-,----------+   |
>                |   |            |   |
>                |   |            |   |
>                +-(-v-suboptions-+-)-|
>
>Defaults
>NOCICS
>=================
>(That's a manual recreation of the railroad tracks from that page, since this 
>list is plaintext; view with monospace font, of course)
>
>It's been a while, but shouldn't the NOCICS be on the "mainline" there? A nit, 
>probably not even worth an RCF; I'm just trying to check my understanding of 
>these diagrams.
>
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hi,


The syntax diagrams put the default at the top of the mainline “track” so 
what’s there is correct. The "How to read syntax diagrams” section at the start 
of the User’s Guide describes it.

hope this helps,


z/OS C/C++ Compiler Team

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