t / t4101 / diff.1-2on commit shortlog: release strbuf after use in insert_one_record() (557d318)
   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