t / t4135 / diff-with spaces.diffon commit builtin/apply: move 'max_change' and 'max_len' into 'struct apply_state' (1ffec30)
   1--- post image.txt.orig 2010-08-18 20:13:31.544002255 -0500
   2+++ post image.txt      2010-08-18 20:13:31.544002255 -0500
   3@@ -1 +1 @@
   4-preimage
   5+postimage