diff -r 9603e64324bc -r 7977c1bdba1f src/Configuration.h
--- a/src/Configuration.h	Sun Feb 03 21:53:10 2019 +0100
+++ b/src/Configuration.h	Tue Feb 05 00:06:44 2019 +0100
@@ -70,7 +70,6 @@
 
 	// TODO: --define – global definitions (for all relations)?
 	// TODO: --relation … --drop – will execute --for-each, but no output will be generated for this relation
-	// TODO: --relation … --output-attribute 'name' 'type' – output relation will have different attributes than the input relation
 	// TODO: --create t2 3 a integer b boolean '…guile…' – allow creating new relations? Or allow calling startRelation() and attribute() from Guile?
 
 	virtual ~Configuration() {