I remember the staples and reading the TNL pages to see what had changed. But 
then I was the young SE that read the MVS/XA and MVS/ESA manuals on my daily 
commute. 😊

From: IBM Mainframe Discussion List <[email protected]> on behalf of 
[email protected] <[email protected]>
Date: Friday, 6 June 2025 at 15:22
To: [email protected] <[email protected]>
Subject: [EXTERNAL] Re: Seems like TAR requires AR mode
  *
IBM never changed form numbers for TNLs,...

This goes back a few years (into the 1960s and 1970s?) but I still have 
distinct memories of updating whole racks of manuals with TNLs when they 
appeared. As best I remember, I always inserted the TNL cover page into the 
manual. This did not change the manual form number, but it made the update 
obvious.  Of course, in those old days, one needed to consult an actual paper 
manual instead of a PC screen connected to various unknown sites with unknown 
currency of the material.

Slightly more scrambled memory: a common challenge was to neatly remove heavy 
"staples" from the original manual, so that the TNL pages could be inserted.

Bill Ogden



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