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-rw-r--r--modules/book/book.module2
1 files changed, 1 insertions, 1 deletions
diff --git a/modules/book/book.module b/modules/book/book.module
index 815442677..57e7be588 100644
--- a/modules/book/book.module
+++ b/modules/book/book.module
@@ -490,7 +490,7 @@ function _book_add_form_elements(&$form, $node) {
* Performs all additions and updates to the book outline through node addition,
* node editing, node deletion, or the outline tab.
*/
-function _book_update_outline(&$node) {
+function _book_update_outline($node) {
if (empty($node->book['bid'])) {
return FALSE;
}