lesscpy/lessc/parser.py
def p_declaration_list(self, p):
        """ declaration_list           : declaration_list declaration
                                       | declaration
                                       | empty
        """
        if len(p) > 2:
            p[1].extend(p[2])
        p[0] = p[1]
def p_declaration_list(self, p):
        """ declaration_list           : declaration_list declaration
                                       | declaration
                                       | empty
        """
        if len(p) > 2:
            p[1].extend(p[2])
        p[0] = p[1]
declaration_list           : declaration_list declaration
                                       | declaration
                                       | empty