private int tr_142(char ch)
    {
        if(chin(ch,'&','9')) return 153;
        if(cheq(ch,':')) return 101;
        if(cheq(ch,'%')) return 180;
        if(chin(ch,' ','$')) return 153;
        if(cheq(ch,'\n')) return 76;
        if(cheq(ch,'\t')) return 153;
        if(chin(ch,';','~')) return 153;
        return 0;
    }