>def t[3] { 5}
>>nil
>def t2[3] { nil}
>>nil
>t2 := t
>>nil
>t2
>>[5, 5, 5]
>t2[1] := t
>>nil
>t2
Exception in thread "main" java.lang.StackOverflowError
	at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:394)
	at java.lang.StringBuffer.append(StringBuffer.java:225)
	at java.lang.StringBuffer.<init>(StringBuffer.java:105)
	at edu.vub.at.eval.Evaluator.printElements(Evaluator.java:109)
	at edu.vub.at.eval.Evaluator.printElements(Evaluator.java:121)
	at edu.vub.at.objects.natives.NATTable.meta_print(NATTable.java:130)
	at edu.vub.at.eval.Evaluator.printElements(Evaluator.java:111)
	at edu.vub.at.eval.Evaluator.printElements(Evaluator.java:121)
	at edu.vub.at.objects.natives.NATTable.meta_print(NATTable.java:130)
	at edu.vub.at.eval.Evaluator.printElements(Evaluator.java:111)
	at edu.vub.at.eval.Evaluator.printElements(Evaluator.java:121)
	at edu.vub.at.objects.natives.NATTable.meta_print(NATTable.java:130)
	at edu.vub.at.eval.Evaluator.printElements(Evaluator.java:111)