Bug?: notmuch-search-show-thread shows several threads; only one containing matching messages

[David Bremner]

Gregor Zattler <telegraph at gmx.net> writes:

> Today I produced another mbox with the very same command but with
> a now larger email corpus freshly indexed with a fresh notmuch.
> The mbox contains (according to mutt) 507 messages in 34 threads.
> One of them is the thread I searched for.
>
> I grepped for the 7 subjects within the 34 subjects and only 5
> showed up.

I don't know what you mean here. Grepped where? in the raw messages?

> If somebody want's to dig into this: I can provide the two
> mboxes. 
>
> Disclaimer: Many of the emails which arrived before the problem
> report are not the exact same than then, because since the I
> mangled them with a script.  This should have not changed the
> threading but I cannot be 100% sure.  But if it's important for
> further investigation I'm probably able to reproduce the status
> quo of the email corpus then from my backups.

If it's currently not working then I guess your current corpus should be
fine. It would probably help to restate what exactly is wrong. There was
a lot of discussion, and the concrete problem I saw identified (in
id:874nvcekjk.fsf at qmul.ac.uk ) was that certain malformed In-reply-to
headers were causing unrelated threads to merge.

d