static NCURSES_CH_T oldtext[MAXLINES][TEXTWIDTH(sp)];
static NCURSES_CH_T newtext[MAXLINES][TEXTWIDTH(sp)];
# define OLDNUM(sp,n) oldnums[n]
static NCURSES_CH_T oldtext[MAXLINES][TEXTWIDTH(sp)];
static NCURSES_CH_T newtext[MAXLINES][TEXTWIDTH(sp)];
# define OLDNUM(sp,n) oldnums[n]