Index: src_3rd/libcdtr/TODO
===================================================================
--- src_3rd/libcdtr/TODO	(revision 33826)
+++ src_3rd/libcdtr/TODO	(revision 33827)
@@ -3,3 +3,4 @@
 	- macros
 - write doc
 	- API comments
+	- mention that adding a point on top of an existing one will return the existing one