_ptyplst()
{
        local s = "";

        s = s + _zsurfstr     + strescape("\n");
        s = s + _contourstr   + strescape("\n");
        s = s + _waterfallstr + strescape("\n");
        s = s + _densitystr   + strescape("\n");
        s = s + _tablevstr    + strescape("\n");
        s = s + _seriesgrpstr + strescape("\n");
        s = s + _chartgrpstr;

        return(s);
}