/p>
        Create a copy of the union <tt>U</tt> and return a new object <tt>Unew</tt> with same properties as the original union object.
        Changing one object does not affect the second one because the objects are not connected by reference. <br><br>        
        Note that this method is different versus the equality assignment <tt>Unew = U</tt> which points to the same object.
    <h2>Input Arguments</h2>
<table cellspacing="0" class="body" cellpadding="4" border="0" width="100%">
<colgroup>
<co