diff --git a/doc/latex/refman.pdf b/doc/latex/refman.pdf
index 76979f3..c612523 100644
Binary files a/doc/latex/refman.pdf and b/doc/latex/refman.pdf differ
diff --git a/doxygen.conf b/doxygen.conf
index 618d743..43cd2f0 100644
--- a/doxygen.conf
+++ b/doxygen.conf
@@ -1192,7 +1192,7 @@ FILTER_PATTERNS        =
 # producing the source files to browse (i.e. when SOURCE_BROWSER is set to YES).
 # The default value is: NO.
 
-FILTER_SOURCE_FILES    = NO
+FILTER_SOURCE_FILES    = YES
 
 # The FILTER_SOURCE_PATTERNS tag can be used to specify source filters per file
 # pattern. A pattern will override the setting for FILTER_PATTERN (if any) and