I think the "wrinkle" is that a file mark need not be written if there is no room for it at end-of-extent. ie. no point getting a new extent just for the file mark; end-of-(last)extent is a valid EOF.
Too bad "DASD Bill" (Fairchild) hasn't chimed in. I'm sure he would cite the gospel on this. I presume he may well be retired by now. Sent from my iPhone > On Jan 6, 2017, at 11:08, Bill Woodger <bill.wood...@gmail.com> wrote: > > I, weakly, remember there was some apparent "wrinkle" with "end of data" ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
