diff_buf_clear(void)
{
    int		i;

    for (i = 0; i < DB_COUNT; ++i)
	if (curtab->tp_diffbuf[i] != NULL)
	{
	    curtab->tp_diffbuf[i] = NULL;
	    curtab->tp_diff_invalid = TRUE;
	    diff_redraw(TRUE);
	}
}
diff_buf_clear(void)
{
    int		i;

    for (i = 0; i < DB_COUNT; ++i)
	if (curtab->tp_diffbuf[i] != NULL)
	{
	    curtab->tp_diffbuf[i] = NULL;
	    curtab->tp_diff_invalid = TRUE;
	    diff_redraw(TRUE);
	}
}