t / t4013 / diff.diff_master_master^_sideon commit test-lib: allow negation of prerequisites (bdccd3c)
   1$ git diff master master^ side
   2diff --cc dir/sub
   3index cead32e,7289e35..992913c
   4--- a/dir/sub
   5+++ b/dir/sub
   6@@@ -1,6 -1,4 +1,8 @@@
   7  A
   8  B
   9 +C
  10 +D
  11 +E
  12 +F
  13+ 1
  14+ 2
  15diff --cc file0
  16index b414108,f4615da..10a8a9f
  17--- a/file0
  18+++ b/file0
  19@@@ -1,6 -1,6 +1,9 @@@
  20  1
  21  2
  22  3
  23 +4
  24 +5
  25 +6
  26+ A
  27+ B
  28+ C
  29$