diff --git a/view/book_list.xml b/view/book_list.xml
index 487c2d3..5644b9b 100644
--- a/view/book_list.xml
+++ b/view/book_list.xml
@@ -5,5 +5,7 @@ full copyright notices and license terms. -->
+
+
diff --git a/view/book_tree.xml b/view/book_tree.xml
index 1ba5c32..da7adef 100644
--- a/view/book_tree.xml
+++ b/view/book_tree.xml
@@ -5,6 +5,8 @@ full copyright notices and license terms. -->
+
+