Add an AIS to-do item.

1 files changed, 10 insertions, 0 deletions

diff --git a/TODO b/TODO
index daef080b..cbcb4f03 100644
--- a/TODO
+++ b/TODO
@@ -156,6 +156,16 @@ message 6 and 8 subtypes - specifically, 6/23, 8/21, 8/22, 8/24, and
 
 We'd need machinery to shift a byte array 30 bits left...
 
+**** AIS struct needs a 'structured' bit detected by the driver ****
+
+Turns out that dispatching JSON dump on Types 6 and 8 by DAC/FID 
+isn't reliable, because sometimes unstructured Type 8s can
+false-match with a structured type.  Observed in the wild with 
+an unstructured Type 8 misconstrued as an Inland AIS Type 10.
+To fix this, the driver needs to store the 'structured' bit in
+the AIS structure.  Will require a library bump, but afterwards
+some code can be removed from the JSON dumper. 
+
 ** To do:
 
 *** On next API bump ***