ailable in interpreted C++ only</i>

<p>A new tutorial macro has been added to illustrate this functionality in more detail: <tt>rf509_wsinteractive.C</tt>.<br><br>

<li><p><b>writeToFile</b> -- A new utility method <tt>RooWorkspace::writeToFile()</tt> has been added
to simplify the process of saving a workspace to file<br><br>

<li><p><b>Named sets and parameter snapshots</b> -- It is now possible to define and retrieve
named <tt>RooArgSet</tt>s of objects that live in the workspace through methods
<tt>def