From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Jeff Whiteside" <jeff.m.whiteside@gmail.com>
Subject: Re: how to track the history of a line in a file
Date: Fri, 2 Jan 2009 13:49:34 -0800
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Cc: "Jeff King" <peff@peff.net>, git@vger.kernel.org
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> -oldline
> +newline
>
> it's a 1-1 correspondence
>
> if it's instead
> -oldline1
> -oldline2
> +newline1
> +newline2

what a neat idea.  i'm going to start malloc'ing 10,000 lines x 120
chars for each file i add, and edit them so that no new lines replace
removed lines unless it's intended that they were the same line.