Ed Jaffe wrote:

| Ed Gould wrote:
|
| | While your statement is true it would seem to me JES2 (JES3?) still sends out source and as | | long as it does then statement sequence numbers are needed. I vaguely remember that IBM | | at one time said they were going to stop sending out source for the JES's. They have done | | this with new function modules (at least JES2) I don't know if there is a specific date for the
|  | rest of the source.
|
|
|   believe this is planned for the year after the 64-bit TOD clock wraps.

There is no necessary linkage between supplying SNs in card-image columns 73-80 and OCO foir JES2.

Several other almost but perhaps not quite equally bizarre arguments for the continuing usefulness of SNs have been advanced during the evolution of this thread.

My favorite---storm warning of a big word to come---is their notional usefulness in avoiding homoeoteleutera; but others may well have their own, different favorites.

The triviality of this issue is, however, convenient in one way. It provides an occasion for noting that clinging to a piece of obsolete technology that we know and love, a high resolve to go on using it until it is pried from our lifeless fingers, is dysfunctional.

John Gilmore
Ashland, MA 01721-1817
USA

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