On Friday 11 September 2009 02:28, Ted MacNEIL wrote:

>>o "Industry standard"?  Not any more.  (But I can remember when ISPF (at
>>the time SPF) panels were distributed as VB;   IBM later switched to FB
>>(circa 1980?).
> 
> Later, IIRC.
> I think it came out with XA.
> Also, that was the same time they renamed it and split out PDF.

In 1980, the SPF FDP which was 5787-XT2 (Structured Programming Facility) 
became the SPF product 5668-009 (System Productivity Facility), installed 
under SMP, which does not support a PDS with RECFM=VB.

The vast majority of CLIST/REXX libraries are defined with FB/80.  
Before you define one with VB/255, remember that you can NOT concatenate it 
with existing FB/80 libraries.

Of course, it would be nice if concatenated CLIST/REXX libraries could be FB 
and VB, but I'm not sure IBM will make it possible in the future.  Most of my 
products use the GETSEQ/GETDIR/GETMBR run-time routines which allow the 
concatenation of sequential and partitioned data sets with different DCB 
attributes.  If I do it, IBM could do it also.

-- 
 Gilbert Saint-Flour
 GSF Software
 http://gsf-soft.com/

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