IGNAL*
   virtual void UnMouseOver(TObject *obj, UInt_t state); // *SIGNAL*
</pre>
  <tt>TGLEventHandler</tt> emits them when needed. For example see <tt>TEveDigitSet</tt>
  and its sub-classes <tt>TEveQuadSet</tt> and <tt>TEveBoxSet</tt>.
</li>

<li>It is now possible to enforce all tesselations of geometry shapes
  to only use triangles via static function <tt>void
  TGLFaceSet::EnforceTriangles()</tt>. This is needed to export TGeo
  shapes and CSG meshes to external triangle-mesh libraries that can
  no