Xu Wang <xuwang762@gmail.com> writes: > Because when I do a notmuch search for that message by message ID with > --output=threads, it gives a different thread ID. > >> Isn't that what your first command tells you? > Well yes, but I wanted to confirm that that is indeed the reason. I > have heard in someone saying that debugging is process of confirming > things that should be true. I'm still confused. It sounds like you gave the same command twice and got different answers. Can you maybe show the complete sequence of commands and output (assuming it's not too large)? d