+
+ /* Since we just ignored the sequence of this UnmapNotify, we want to make
+ * sure that following events use a different sequence. When putting xterm
+ * into fullscreen and moving the pointer to a different window, without
+ * using GetInputFocus, subsequent (legitimate) EnterNotify events arrived
+ * with the same sequence and thus were ignored (see ticket #609). */
+ free(xcb_get_input_focus_reply(conn, cookie, NULL));