1 files changed, 3 insertions, 0 deletions
diff --git a/TODO b/TODO
index 83d60d45..260ffe18 100644
--- a/TODO
+++ b/TODO
@@ -216,6 +216,9 @@ Fix the "count" functionality to be exact as Olly explained in IRC:
 	ojwb> cworth: if you set the check_at_least parameter to the
 	database size, get_matches_estimated() will be exact
 
+Fix the threading of a message that has a References: header but no
+In-Reply-To: header (see id:"87lixxnxpb.fsf@yoom.home.cworth.org").
+
 Search syntax
 -------------
 Implement support for "tag:*" to expand to all tags.