549 err_string(char *message)  in err_string()  function
698             err_string("parse tree does not use a valid start symbol");  in parser_tuple2st()
705         err_string("unspecified ST error occurred");  in parser_tuple2st()
779                 err_string("terminal nodes must have 2 or 3 entries");  in build_node_children()
1264         err_string("expected variable argument trailer for varargslist");  in validate_varargslist_trailer()
1288         err_string("illegal variable argument trailer for varargslist");  in validate_varargslist_trailer()
1312         err_string("varargslist missing child nodes");  in validate_varargslist()
1393                 err_string("illegal formation for varargslist");  in validate_varargslist()
1619             err_string("illegal small_stmt child type");  in validate_small_stmt()
1703                 err_string("illegal augmented assignment operator");  in validate_expr_stmt()
1900             err_string("illegal number of children for dotted_as_name");  in validate_dotted_as_name()
2002             err_string("illegal import_stmt child type");  in validate_import_stmt()
2026         err_string("illegal global statement");  in validate_global_stmt()
2053         err_string("illegal exec statement");  in validate_exec_stmt()
2079         err_string("illegal assert statement");  in validate_assert_stmt()
2347               err_string("illegal comparison operator type");  in validate_comp_op()
2359             err_string("unknown comparison operator");  in validate_comp_op()
2507             err_string("illegal number of nodes for 'power'");  in validate_power()
2548                 err_string("illegal list display atom");  in validate_atom()
2590         err_string("missing child nodes of listmaker");  in validate_listmaker()
2611             err_string("illegal trailing nodes for listmaker");  in validate_listmaker()
2627         err_string("missing child nodes of testlist_comp");  in validate_testlist_comp()
2649             err_string("illegal trailing nodes for testlist_comp");  in validate_testlist_comp()
2826                     err_string("need '(', ')' for generator expression");  in validate_arglist()
2852                 err_string("illegal arglist specification"  in validate_arglist()
2867                 err_string("illegal use of '*' in arglist");  in validate_arglist()
2876                 err_string("illegal use of '**' in arglist");  in validate_arglist()
2881             err_string("illegal arglist specification");  in validate_arglist()
2976             err_string("invalid number of arguments for subscript node");  in validate_subscript()
3100             err_string("illegal number of nodes for dictorsetmaker");  in validate_dictorsetmaker()
3117             err_string("illegal trailing nodes for dictorsetmaker");  in validate_dictorsetmaker()
3192                 err_string("illegal flow_stmt type");  in validate_node()
3329             err_string("unrecognized node type");  in validate_node()
3345         err_string("could not validate expression tuple");  in validate_expr_tree()
3373         err_string("VALIDATION FAILURE: report this to the maintainer!");  in validate_file_input()
3386         err_string("Error Parsing encoding_decl");  in validate_encoding_decl()