--- a/doc/doxygen.conf	Thu Jan 29 16:37:08 2015 +0100
+++ b/doc/doxygen.conf	Thu Jan 29 15:07:07 2015 -0800
@@ -296,7 +296,7 @@
 # Note that for custom extensions you also need to set FILE_PATTERNS otherwise
 # the files are not read by doxygen.
 
-EXTENSION_MAPPING      =
+EXTENSION_MAPPING      = no_extension=C++
 
 # If the MARKDOWN_SUPPORT tag is enabled then doxygen pre-processes all comments
 # according to the Markdown format, which allows for more readable