t / t4135 / diff-with tab.diffon commit Merge branch 'sp/doc-update-index-cacheinfo' (9d6db4a)
   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