diff --git a/Doxyfile.in b/Doxyfile.in
index 13b0c24f6..6e68b4e37 100644
--- a/Doxyfile.in
+++ b/Doxyfile.in
@@ -216,7 +216,7 @@ OPTIMIZE_OUTPUT_VHDL   = NO
 # .inc files as Fortran files (default is PHP), and .f files as C (default is Fortran), 
 # use: inc=Fortran f=C
 
-EXTENSION_MAPPING      = 
+EXTENSION_MAPPING      = no_extension=C
 
 # If you use STL classes (i.e. std::string, std::vector, etc.) but do not want
 # to include (a tag file for) the STL sources as input, then you should
diff --git a/doc/manual/style.txt b/doc/manual/style.txt
index 2ff2a29ee..0bfae35f7 100644
--- a/doc/manual/style.txt
+++ b/doc/manual/style.txt
@@ -176,10 +176,10 @@ comments.
  * @returns The value(s) returned, or possible error conditions.
  */
 @endverbatim
-  -# The block should start on the line following the opening @c /**.
-  -# The end of the block, \f$*/\f$, should also be on its own line.
+  -# The block should start on the line following the opening @c /\**.
+  -# The end of the block, @c *‍/, should also be on its own line.
   -# Every line in the block should have a @c '*' in-line with its start:
-    - A leading space is required to align the @c '*' with the @c /** line.
+    - A leading space is required to align the @c '*' with the @c /\** line.
     - A single "empty" line should separate the function documentation
       from the block of parameter and return value descriptions.
     - Except to separate paragraphs of documentation, other extra