t / t4135 / diff-with tab.diffon commit builtin/am: convert uses of EMPTY_TREE_SHA1_BIN to the_hash_algo (d41836a)
   1--- post        image.txt.orig  2010-08-18 20:13:31.616002255 -0500
   2+++ post        image.txt       2010-08-18 20:13:31.616002255 -0500
   3@@ -1 +1 @@
   4-preimage
   5+postimage