- * get the default layout, when flag == 0
- * will inherit the existing one, except for depth, when flag == 1
- * will inherit the existing one, including depth, when flag == 2
- * Be aware that the old or new paragraph does not contain any rows
- * after this.
+ * - Decrease depth by one (or change layout to default layout) when
+ * keep_layout == false
+ * - keep current depth and layout when keep_layout == true