t / t4135 / git-with spaces.diffon commit try_remove_empty_parents(): teach to remove parents of reflogs, too (a8f0db2)
   1diff --git a/post image.txt b/post image.txt
   2new file mode 100644
   3index 0000000..eff0c54
   4--- /dev/null
   5+++ b/post image.txt    
   6@@ -0,0 +1 @@
   7+postimage