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From: arnold@skeeve.com
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Date: Mon, 31 Dec 2018 05:26:55 -0700
To: 9fans@9fans.net
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Subject: Re: [9fans] sources down
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"David du Colombier" <0intro@gmail.com> wrote:

> > Let me restate the question.  When one has only the "new" file and
> > the ed script that created it from the "old" one, and said script
> > says "delete lines N through M", how does one recover the lines
> > that were deleted? (With context or unified diffs, the deleted text
> > is there.)
>
> I don't think you can "reverse" the ed scripts produced with "diff -e",
> unlike unified diff files.
>
> However, in 9hist, the files are always reconstructed forward,
> starting from the complete original file.

OK, then it makes sense then.

Much thanks!

Arnold