t / t4101 / diff.1-2on commit blame: move blame_entry duplication to add_blame_entry() (dfa3ad3)
   1--- a/frotz
   2+++ b/frotz
   3@@ -1,3 +1,2 @@
   4 a
   5-b
   6-c
   7+b
   8\ No newline at end of file