John,

Although I could wish that the change I have proposed could be implemented
in a relatively short term, I think that realistically, if it is accepted by
IBM, it can most likely be expected to appear at a release boundary.

That being said, I will venture a prediction that baseless programming will
not be widely adopted until mechanisms are put in place to limit the cost of
re-engineering code to make use of baseless programming.

John P. Baker

-----Original Message-----
From: IBM Mainframe Assembler List [mailto:[email protected]]
On Behalf Of john gilmore
Sent: Sunday, August 22, 2010 2:16 PM
To: [email protected]
Subject: LARL vs. literal alignment‏

We must all make our own economic tradeoffs, and I shall not try to
second-guess this one.

I will, however, venture to make a further generic observation.

Changes in the workings of the HLASM can seldom be made quickly, by next
week's PTF say.  They must be considered carefully, costed, and laddered
among other such undertakings; and in an OCO environment we outside IBM
cannot help much in doing this.

When their turn comes they must then be designed, implemented, and tested;
and finally they must be documented and, usually, packaged up in the next
new release rather than an emergency PTF.

All this takes an interval of time measured in [a good many] months; and for
this reason alone such changes, while worth pursuing in many cases, almost
never provide solutions to anyone's proximate, short-term problems.

John Gilmore Ashland, MA 01721-1817 USA

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