From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jason at zx2c4.com (Jason A. Donenfeld)
Date: Tue, 30 Oct 2012 11:25:47 -0600
Subject: [PATCH 2/2] bugfix: make ss-diff correctly handle tab expansion
In-Reply-To: <20121030171257.GC378591@plenz.com>
References: <1351601762-953642-1-git-send-email-plenz@cis.fu-berlin.de>
 <1351601762-953642-3-git-send-email-plenz@cis.fu-berlin.de>
 <20121030145653.GB378591@plenz.com>
 <CAHmME9pi8jJtKy+8nZ83+0DqLkZM1Ei-pJS=p7V3NG-P8X310A@mail.gmail.com>
 <20121030171257.GC378591@plenz.com>
Message-ID: <CAHmME9qXQZsQBSR7L_WYjxZ2mFYJ__pRMmDjUcE3fd0PDCOseA@mail.gmail.com>

> len % 8 == 0 ? 8 : (8 - len % 8)


if len % 8 == 0,
    8


8 = 8 - 0
len % 8 := 0
8 = 8 - (len % 8)


so the original formula holds