redraw_span_data
struct redraw_span_data *data = &span->data;
struct redraw_span_data data;
struct redraw_span_data data;
redraw_data_has_pane(struct redraw_span_data *data, struct window_pane *wp)
struct redraw_span_data *sd;
struct redraw_span_data *ad = &a->data, *bd = &b->data;