t / t4135 / diff-with backslash.diffon commit pack-objects: move in_pack_pos out of struct object_entry (06af3bb)
   1--- post\image.txt.orig 2010-08-18 20:13:31.680002255 -0500
   2+++ post\image.txt      2010-08-18 20:13:31.680002255 -0500
   3@@ -1 +1 @@
   4-preimage
   5+postimage