to queue up SelectionRequest events.
reading_selection_window = requestor_window;
reading_which_selection = selection_atom;
XCONS (reading_selection_reply)->car = Qnil;
+ x_start_queuing_selection_requests ();
UNBLOCK_INPUT;
/* This allows quits. Also, don't wait forever. */
BLOCK_INPUT;
x_check_errors ("Cannot get selection: %s");
x_uncatch_errors ();
+ x_stop_queuing_selection_requests ();
UNBLOCK_INPUT;
if (NILP (XCONS (reading_selection_reply)->car))