wininfo_other_tab_diff(wininfo_T *wip)
{
    win_T	*wp;

    if (wip->wi_opt.wo_diff)
    {
	FOR_ALL_WINDOWS(wp)
	    // return FALSE when it's a window in the current tab page, thus
	    // the buffer was in diff mode here
	    if (wip->wi_win == wp)
		return FALSE;
	return TRUE;
    }
    return FALSE;
}
wininfo_other_tab_diff(wininfo_T *wip)
{
    win_T	*wp;

    if (wip->wi_opt.wo_diff)
    {
	FOR_ALL_WINDOWS(wp)
	     
	     
	    if (wip->wi_win == wp)
		return FALSE;
	return TRUE;
    }
    return FALSE;
}