From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <74578d688e6ae772f099518fe2ea24eb@hamnavoe.com>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Re: acme mail
From: Richard Miller <9fans@hamnavoe.com>
Date: Mon, 20 Feb 2006 20:49:47 +0000
In-Reply-To: <9e3065a5e5e787ac6be58466225cc0a7@swtch.com>
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> The formatted body file should remove the leading space

How can you tell that the leading space wasn't in the original
mail?  The sender might have written an indented paragraph
beginning with From.

The From-quoting transformation is not invertible, so it's
best not to try to invert it.