 own name, which simplifies management of objects of types like <tt>TMatrixD</tt> that do not have a settable name.
<pre>
   ws.import(matrix,"cov_matrix") ;
</pre></li>

<li>New accessors have been added that return a <tt>RooArgSet</tt> of all elements of the workspace of a given type, e.g.
    <tt>allVars()</tt>, <tt>allPdfs()</tt>.<br/><br/></li>

<li>
    The <tt>Print()</tt> method now accepts option "t", which prints the contents tree-style instead of a flat list of components,
    as illustrated belo