> On 24 May 2025, at 5:08 AM, Jacob Keller <jacob.e.keller@xxxxxxxxx> wrote: > > > >> On 5/23/2025 8:36 AM, Aditya Garg wrote: >> There is a bug in send-email that turns off shallow threading if >> some special conditions are there. Those conditions are: >> >> 1. An --in-reply-to must be specified when sending the patch >> 2. When asked for confirmation before sending the first patch, the >> user must edit the patch (pressing e and enter). >> >> If these two conditions are fulfilled, the threading will turn off >> and all subsequent messages will become as replies to the >> Message-ID set in --in-reply-to, rather than becoming replies to >> the first patch. >> >> The cause of this bug was very simple. There are many conditions >> that determine whether threading should be done or not. The >> relevant ones for this case are: >> >> 1. --in-reply-to is not defined >> 2. $message_num is 1 >> >> If ANY ONE of these is fulfilled, threading will occur. Now, in >> our case, we have defined an --in-reply-to, so condition 1 is >> not fulfilled, and thus is omitted out. The only condition that >> can enable threading is $message_num being 1. As far as I >> understand, this condition was based on the assumption that the >> first message being send will have $message_num as 1, since in >> case of shallow threads, we just set in-reply-to only for the >> Message-ID of the first patch sent. But, in case we edit a patch, >> its $message_num increases by one, and thus, our second condition >> for threading is also not fulfilled, thus turning off threading. >> > > Why does editing a message change the message_num??? That feels like the > real bug to me.. I thought that was intended, not it doesn't seem like that to me.