t / t4135 / diff-with backslash.diffon commit builtin/apply.c: replace `git_config()` with `git_config_get_string_const()` (b35b10d)
   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