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From:   Junio C Hamano <gitster@pobox.com>
To:     Sean Allred <allred.sean@gmail.com>
Cc:     Philip Oakley <philipoakley@iee.email>, rsbecker@nexbridge.com,
        git@vger.kernel.org, sallred@epic.com, grmason@epic.com,
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Subject: Re: Dealing with corporate email recycling
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Date:   Sun, 13 Mar 2022 23:16:24 +0000
In-Reply-To: <87ilsha2b7.fsf@gmail.com> (Sean Allred's message of "Sun, 13 Mar
        2022 17:40:47 -0500")
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Sean Allred <allred.sean@gmail.com> writes:

> rather than use magic comments :-) Adapting to your suggestion, this
> might look like the following:
>
>     A. U. Thor <foo@example.com> <ada.example.com> <[ approxidate ]>

You'd probably want a timerange (valid-from and valid-to), instead
of one single timestamp?

Because at least three valid forms of mailmap entries should be
understood by the current generation of mailmap readers, i.e.

    Human Readable Name <e-mail@add.re.ss>
    Right Name <right@add.re.ss> <wrong@add.re.ss>
    Right Name <right@add.re.ss> Wrong Name <wrong@add.re.ss>

the extended entry format to record the validity timerange should
be chosen to cause parsers that are prepared to take these three
kinds of lines to barf and ignore.