From: Frank Li <lznuaa@gmail.com>
Date: Wed, 17 Jun 2009 14:03:54 GMT
Subject: git format-patch
Message-ID: <1976ea660906170703k1f17301gcbae4a8bc8805014@mail.gmail.com>

git format-patch -4
only 3 patchs is created

git format-patch -5
4 patchs is created

I remember old git version -<n>, n patchs is created.

Does it expected?