From mboxrd@z Thu Jan  1 00:00:00 1970
From: Junio C Hamano <junkio@cox.net>
Subject: Re: [PATCH] remove delta-against-self bit
Date: Thu, 09 Feb 2006 15:53:59 -0800
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To: Nicolas Pitre <nico@cam.org>
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	Pitre's message of "Thu, 09 Feb 2006 17:50:04 -0500 (EST)")
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Nicolas Pitre <nico@cam.org> writes:

> Said bit would in fact be more useful to allow for encoding the copying 
> of chunks larger than 64KB providing more savings with large files.  
> This will correspond to packs version 3.
>
> While the current code still produces packs version 2, it is made future 
> proof so pack versions 2 and 3 are accepted.  Any pack version 2 are 
> compatible with version 3 since the redefined bit was never used before.  
> When enough time has passed, code to use that bit to produce version 3 
> packs could be added.

I agree with the general direction and this futureproofing is a
good thing to have before 1.2.0, I think.

The bit is however _already_ looked at by the count_delta(),
to assess the extent of damage, IIRC.  Should we be
futureproofing that bit as well?