private int tr_97(char ch)
    {
        if(chin(ch,'&','.')) return 186;
        if(cheq(ch,':')) return 38;
        if(cheq(ch,'/')) return 85;
        if(cheq(ch,'%')) return 60;
        if(chin(ch,' ','$')) return 186;
        if(chin(ch,'0','9')) return 186;
        if(cheq(ch,'\n')) return 14;
        if(cheq(ch,'\t')) return 186;
        if(chin(ch,';','~')) return 186;
        return 0;
    }