1024-byte long member alias names in a *PDS*? Perhaps now, or in Unix,
but not in 1988's MVS/XA or even in z/OS (whatever it was in 2013),
AFAIK <grin>.

On 10/05/2021 23:53, Paul Gilmartin wrote:
> On Mon, 10 May 2021 23:32:50 +0100, CM Poncelet wrote:
>
>> I attach the source code for aliasing members of a PDS. 
>>  
> Where I read:
>     * FORMAT OF SYSIN CARD IS^M
>     *       'MEMBER=@@...@,ALIAS=@@...@ '^M
>     * WHERE '@@...@' REPRESENTS A 1 TO 8 CHAR VALID MEMBER/ALIAS NAME^M
>
> But in Using Data Sets:
>     Alias names for program objects can be up to 1024 bytes long.
>
>> Essentially, it just sets a flag in the COFT field of the directory's
>> ALIAS member and STOWs it.
> -- gil
>
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