 <tt>TEveElement::AnnihilateElements()</tt>. See class docs for constraints.</li>

</ul>

<h4>Minor changes</h4>

<ul>

<li>Add support for projecting a new child (all children) of an
element after the element and its old children have already been
projected. This is provided by the following virtual functions in
<tt>TEveElement</tt>:<pre>
  void ProjectChild(TEveElement* el, Bool_t sameDepth=kTRUE);
  void ProjectAllChildren(Bool_t same_depth=kTRUE);
</pre></li>

<li>Several improvements in drawing of <tt>