export only public APIs

Author: sy-c

doc/doxyfile.in

@@ -733,9 +733,10 @@ WARN_LOGFILE           =
 # spaces.
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = "@PROJECT_SOURCE_DIR@/include" \
-                         "@PROJECT_SOURCE_DIR@/src" \
-                         "@PROJECT_SOURCE_DIR@/doc"
+INPUT                  = "@PROJECT_SOURCE_DIR@/include"
+
+# add also this one to include README
+#                         "@PROJECT_SOURCE_DIR@/doc"
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses