t / t4101 / diff.1-2on commit Merge branch 'en/update-ref-no-deref-stdin' into maint (50e6df2)
   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