Method duplicate

ij/src/main/java/ij/macro/Functions.java:6508–6513

(Variable[] a1)

	}

	Variable[] duplicate(Variable[] a1) {
		Variable[] a2 = new Variable[a1.length];
		for (int i=0; i<a1.length; i++)
			a2[i] = (Variable)a1[i].clone();
		return a2;
	}

	Variable[] trimArray() {
		interp.getLeftParen();