e> also share elements,
	so the slice <code>y</code> is changed to <code>[3 3]</code>.
</li>
<li>
	For the slice <code>x</code> has not enough free capacity,
	the 2nd <code>append</code> call allocates a new backing array for the slice <code>x</code>.
	So the call doesn't modify the array <code>a</code>.
	The slice <code>x</code> is changed to <code>[0 2 3 3 3]</code>.
</li>
</ul>

</div>


