t / t4135 / diff-with backslash.diffon commit test-lib: fix interrupt handling with 'dash' and '--verbose-log -x' (c5c39f4)
   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