Index: bin/stamp2json
===================================================================
--- bin/stamp2json	(revision 17)
+++ bin/stamp2json	(revision 18)
@@ -52,4 +52,8 @@
                 if len(info_items) > 1:
                     action = info_items[1].lstrip('- ')
+                # if the previous line was not a start line, took the previous
+                # line end time as start time
+                if end_time is not None:
+                    start_time = end_time
                 end_time = time
 
