Recent posts and replies missing issues in several GnuCash user threads

[Colin Law]

On 22 March 2018 at 19:18, Adonay Felipe Nogueira <adfeno at hyperbola.info> wrote:
> ...
> b) If you don't have original message file in your webmail client or in
>    your email client, but you know a place where it's archived: see if
>    the archiver tells you about the "Message-ID" of the original
>    message, or if it gives you a link or a button to reply to the
>    message, this link/button must give you a "mailto" URL that should
>    have an "In-Reply-To" header field. In both cases, the strange or
>    often long thing that is in these fields is what tells both mailing
>    list software, email clients, and webmail clients about the
>    "identity" of *current* the message (Message-ID) and of the innermost
>    parent (In-Reply-To). Without "In-Reply-To" a message that has the
>    same "Subject" --- of a supposed parent email --- is actually
>    unthreaded.

Just for reference I do not believe gmail uses the ID for threading. I
believe that it uses just the subject line.  Thus adding something
like [Solved] to a subject line breaks the thread.

Colin