SMP used to do this, and ISTR SMP/E does as well.

On Tue, May 30, 2023 at 9:34 AM Schmitt, Michael <michael.schm...@dxc.com>
wrote:

> And IMS. MFS Formats have non-display and lower-case letters in the member
> names.
>
> Such as:
>
> ."wACOV0
> 07ACCDEF
> 2F613650
>
>
>
> -----Original Message-----
> From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf
> Of Steve Thompson
> Sent: Tuesday, May 30, 2023 8:19 AM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: Two related member generation questions
>
> I may not have edited these posts correctly for this, but, I
> thought I should point out that an IBM product does create
> "illegal" (per JCL) member names. And that would be Netview.
>
> In years gone by I had seen member names that were really "odd"
> and found out that it was Netview that was creating them.
>
> So yes, an assembler programmer could do this and have done this,
> because it has been done.
>
> Steve Thompson
>
> On 5/30/2023 12:11 AM, Paul Gilmartin wrote:
> >
> > Can't an Assembler programmer using STOW create PDS members with names
> > beginning with '+', '-', '0', 'π', ... just about anything?  I don't
> believe it's proper
> > for higher layers such as JCL to introduce syntactic restrictions
> harsher than
> > those of core layers.  The only member name prohibited is 8X'FF',
> indicaring
> > the end of a PDS directory.
> >
> > How do LM services accessible, e.g. through REXX support member
> "generations"?
> >
>
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-- 
Jay Maynard

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