Index: TODO
===================================================================
diff -u -r1561d84278abc4c1d9d89e8440fb0b8bb87a6012 -re4500c77b2bdbb0733a1503d765be84f15509be3
--- TODO	(.../TODO)	(revision 1561d84278abc4c1d9d89e8440fb0b8bb87a6012)
+++ TODO	(.../TODO)	(revision e4500c77b2bdbb0733a1503d765be84f15509be3)
@@ -5012,6 +5012,8 @@
 TODO:
 
 - check autoadded asserts; complete asserts for other .c files
+- check nonnull with various compilers for tcl8.6
+
 - check deactivated tests in tests/serialize.test
   C(One), C(IgnoreAll), C(None2)
   and xlloc fix