Add Heikki for author

diff --git a/doc/book.xml b/doc/book.xml
index 801e764..272c2d0 100644 (file)
--- a/doc/book.xml
+++ b/doc/book.xml
@@ -16,6 +16,9 @@
    <author>
     <firstname>Adam</firstname><surname>Dickmeiss</surname>
    </author>
+   <author>
+    <firstname>Heikki</firstname><surname>Levanto</surname>
+   </author>
   </authorgroup>
   <releaseinfo>&version;</releaseinfo>
   <copyright>