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-rw-r--r--modules/book/book.module3
1 files changed, 3 insertions, 0 deletions
diff --git a/modules/book/book.module b/modules/book/book.module
index 7618c24e5..63e80b38c 100644
--- a/modules/book/book.module
+++ b/modules/book/book.module
@@ -473,6 +473,9 @@ function book_nodeapi(&$node, $op, $teaser, $page) {
}
}
break;
+ case 'revision delete':
+ db_query('DELETE FROM {book} WHERE vid = %d', $node->vid);
+ break;
}
}