Implement translation of Doxygen formulae to Sphinx notation.

This allows to automatically have nicely looking formulae in HTML output when
using Sphinx with e.g. sphinx.ext.mathjax extension.

Examples/test-suite/python/doxygen_translate_all_tags_runme.py

@@ -93,13 +93,16 @@ r"""
 
 
 
-      \sqrt{(x_2-x_1)^2+(y_2-y_1)^2} 
+    :math:`\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}`
+
+    .. math::
 
-     
         \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}
 
 
-     
+
+    .. math::
+
         \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}
 
 
@@ -113,6 +116,7 @@ r"""
 
 
 
+
     This will only appear in hmtl
 
     """)