/* clear y span and stagger */
clearspany(win)
{
        if (argc < 1) win = refwin(w0);

        if (clearspany_defined(win))
        {
                spany(win, 0, 0);
                staggery(win, 0);
                setyauto(win, -1, -1);
                setytic(-1);
        }
}


clearspany_defined(win)
{
        local status;

        status = getspany(win, 0) != getspany(win, 1);
        
        return(status);
}