tests with escapes added, tests refactored - broken to smaller chunks

Doc/Manual/Doxygen.html

@@ -469,6 +469,10 @@ Here is the list of all Doxygen tags and the description of how they are transla
 <td>translated to @exception</td>
 </tr>
 <tr>
+<td>\f$, \f[, \f], \f{, \f}</td>
+<td>LateX formulas are left unchanged</td>
+</tr>
+<tr>
 <td>\if</td>
 <td>replaced with 'If: &lt;condition&gt; {'</td>
 </tr>
@@ -686,13 +690,6 @@ Here is the list of these tags:
 <td>\enum</td>
 <td>\example</td>
 <td>\extends</td>
-<td>\f$</td>
-</tr>
-<tr>
-<td>\f[</td>
-<td>\f]</td>
-<td>\f{</td>
-<td>\f}</td>
 </tr>
 <tr>
 <td>\file</td>