when disclosing the tree, the bookmarks root folder should always be open.

Typo in bookmarksManager.js

browser/components/bookmarks/content/addBookmark2.js

@@ -200,6 +200,9 @@ function expandTree()
   else {
     document.documentElement.buttons = "accept,cancel,extra2";
     gBookmarksTree.focus();
+#   always open the bookmark root folder
+    if (!gBookmarksTree.treeBoxObject.view.isContainerOpen(0))
+      gBookmarksTree.treeBoxObject.view.toggleOpenState(0);
   }
   gBookmarksTree.collapsed = willCollapse;
   sizeToContent();

browser/components/bookmarks/content/bookmarksManager.js

@@ -52,7 +52,7 @@ function Startup()
   }
   else {
     titleString = BookmarksUtils.getLocaleString("bookmarks_title", title);
-    // always open the bookmark top root folder
+    // always open the bookmark root folder
     if (!bookmarksView.treeBoxObject.view.isContainerOpen(0))
       bookmarksView.treeBoxObject.view.toggleOpenState(0);
   }