There were no APF authorized programs ... Charles
-----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Tom Marchant Sent: Tuesday, February 28, 2017 9:22 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: JCL History (was: ... PARMDD ... ) On Tue, 28 Feb 2017 10:19:49 -0600, Paul Gilmartin wrote: >Ah! That shows that (at least at one time) it was possible to increase >the length of the PARM without introducing intolerable incompatibilities. Perhaps because the potential integrity issues were not understood at the time. >Where's the PROC statement described? I find it neither in the ToC nor >in the Index although there are numerous mentions of "catalogued" >proc[edures]. (PROCs aren't catalogued; procedure libraries are.) In-stream procedures were introduced in release 19. See the 1970 manual. >I'm curious because others have said (in this forum?) that earliest >PROCs had no arguments; all modification was done by overrides. So, at >that time symbols didn't exist in JCL, neither as PROC formal >parameters nor in the (relatively recent) SET statment. That agrees with the description of Cataloged procedures in the 1967 manual. -- Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN