t / t5100 / patch0016on commit xdl_change_compact(): only use heuristic if group can't be matched (cb0eded)
   1---
   2diff --git a/foo b/foo
   3index e69de29..d95f3ad 100644
   4--- a/foo
   5+++ b/foo
   6@@ -0,0 +1 @@
   7+content
   8