Updated TODO file.

1 files changed, 4 insertions, 0 deletions

diff --git a/TODO b/TODO
index 38c6624..422ba25 100644
--- a/TODO
+++ b/TODO
@@ -1,3 +1,7 @@
+- Support result values of zero (these could happen using the 'events'
+  metric, for example). One immediate problem is that relative
+  comparisons make no sense in this case (since we cannot divide by zero). 
+
 - Refactor the JavaScript code (to use more appropriate idioms etc.)
 
 - In the time series plot, highlight the current change, the difference