- New tutorial mass_spectrum.cxx

git-svn-id: http://root.cern.ch/svn/root/trunk@33244 27541ba8-7e3a-0410-8455-c3a389f83636

tutorials/doc/v528/index.html

@@ -2,3 +2,10 @@
 <hr/>
 <a name="tutorials"></a> 
 <h3>Tutorials</h3>
+<ul>
+<li> New tutorial <tt>$ROOTSYS/tutorials/graphics/mass_spectrum.C</tt>. It
+     produces the following output:
+     <center>
+     <img src="mass_spectrum.gif">
+     </center>
+</ul>