--- a/src/Mode.h	Sun May 23 21:22:02 2021 +0200
+++ b/src/Mode.h	Sun May 23 21:28:26 2021 +0200
@@ -23,6 +23,7 @@
 namespace tr {
 namespace infertypes {
 
+// TODO: use RelationalWriter interface instead?
 class Mode {
 protected:
 	shared_ptr<writer::RelationalWriter> relationalWriter;