diff --git a/sh/core/code.awk b/sh/core/code.awk
index e910883..fd0a977 100644
--- a/sh/core/code.awk
+++ b/sh/core/code.awk
@@ -337,6 +337,14 @@ if (action == "doc") {
 # lint
 } else if (action == "lint") {
 
+	# TODO RWX_ constant
+	# TODO rwx_ variable
+	# TODO rwx_ function
+
+	# TODO unique alias
+	# TODO unique command
+	# TODO unique function
+
 # unknown
 } else {
 	print "unknown action: " action