diff --git a/doc/latex/refman.pdf b/doc/latex/refman.pdf
new file mode 100644
index 0000000..cdda83c
Binary files /dev/null and b/doc/latex/refman.pdf differ
diff --git a/doxygen.conf b/doxygen.conf
index 1aafbb2..efcd7de 100644
--- a/doxygen.conf
+++ b/doxygen.conf
@@ -2379,7 +2379,7 @@ XML_NS_MEMB_FILE_SCOPE = NO
 # that can be used to generate PDF.
 # The default value is: NO.
 
-GENERATE_DOCBOOK       = NO
+GENERATE_DOCBOOK       = YES
 
 # The DOCBOOK_OUTPUT tag is used to specify where the Docbook pages will be put.
 # If a relative path is entered the value of OUTPUT_DIRECTORY will be put in