Andrei, Now we can see the result of the test.
Messages https://lists.debian.org/debian-user/2020/02/msg00416.html and https://lists.debian.org/debian-user/2020/02/msg00420.html both thread back to your reply which threads back to my original message. They have the same References. 416 was issued with an In-Reply-To field; 420 was issued without In-Reply-To. So, for a 2nd reply at least, the list software maintains the thread without In-Reply-To. Consistent with casual observations a few years back. We might hypothesize a problem in a later generation. Then do further tests or study the source. =8~( At present I'm not so eager. This is a nice example of "Less is More". https://en.wikipedia.org/wiki/Minimalism_(computing) Thanks for challenging my claim. Without your reply I probably wouldn't have made the test. Regards, ... P. -- https://en.wikibooks.org/wiki/Medical_Machines https://en.wikibooks.org/wiki/Oberon Tel: +1 604 670 0140 Bcc: peter at easthope. ca