+/**
+ * modest_tny_msg_view_new
+ * @tny_msg: a TnyMsgIface instance, or NULL
+ *
+ * create a new ModestTnyMsgView widget (a GtkScrolledWindow subclass),
+ * and display the @tny_msg e-mail message in it. If @tny_msg is NULL,
+ * then a blank page will be displayed
+ *
+ * Returns: a new ModestTnyMsgView widget, or NULL if there's an error
+ */