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Re: [offtopic] Gmail "conversations" splitting up from time to time
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From: |
Richard Copley |
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Subject: |
Re: [offtopic] Gmail "conversations" splitting up from time to time |
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Date: |
Tue, 5 May 2020 22:11:40 +0100 |
On Tue, 5 May 2020 at 22:04, Andreas Schwab <address@hidden> wrote:
>
> On Mai 05 2020, Philippe Vaucher wrote:
>
> > I noticed that my Gmail threads started to be all split up.
> >
> > I traced this to some clients change the subject line to "RE: foo"
> > instead of "Re: foo" like this other clients.
>
> Threads are defined by In-Reply-To and References headers, not by
> Subject.
For instance, Drew's reply
<0c88192c-3c33-46ed-95cb-b4c6928016e3@default> to Eli's message
<address@hidden> has "In-Reply-To:
<<address@hidden>>". It should be "In-Reply-To:
<address@hidden>". The References header is similarly
corrupted. I have no suggestion about why this is happening. Some of
Drew's replies are affected and some are not.