put version into docs
diff --git a/doc/doxyfile.in b/doc/doxyfile.in
index a416186..bb30c35 100644
--- a/doc/doxyfile.in
+++ b/doc/doxyfile.in
@@ -819,7 +819,7 @@
 # that contain example code fragments that are included (see the \include
 # command).
 
-EXAMPLE_PATH           =
+EXAMPLE_PATH           = ..
 
 # If the value of the EXAMPLE_PATH tag contains directories, you can use the
 # EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp and