15     def __init__(self, tok, txt):  argument
20     def __init__(self, el, txt):  argument
25     def __init__(self):  argument
84     def __init__(self, spdx):  argument
100     def validate(self, tok):  argument
116     def t_RPAR(self, tok):  argument
121     def t_LPAR(self, tok):  argument
126     def t_ID(self, tok):  argument
145     def t_error(self, tok):  argument
148     def p_expr(self, p):  argument
156     def p_error(self, p):  argument
162     def parse(self, expr):  argument
167     def parse_lines(self, fd, maxlines, fname):  argument