return a delay of undef when no delay information is available

1 files changed, 6 insertions, 0 deletions

diff --git a/Changelog b/Changelog
index 019fde3..6a13250 100644
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,9 @@
+git HEAD
+
+    * Result->delay: return undef when no data is available. This allows to
+      distinguish between on-time departures (delay 0) and departures without
+      realtime data (delay undef)
+
 Travel::Status::DE::VRR 1.09 - Thu Apr 30 2015
 
     * EFA: Fix crash when ->results is called after a network error occured