* struct graphql_executable_document *output_document;
*
* const char *errmsg = graphql_lexparse(
- * input_string,
* NULL, // tal context
+ * input_string,
* &output_tokens, // variable to receive tokens
* &output_document); // variable to receive AST
*
* if (errmsg) {
* struct graphql_token *last_token;
- * last_token = list_tail(output_tokens, struct graphql_token, list);
+ * last_token = list_tail(output_tokens, struct graphql_token, node);
* printf("Line %d, col %d: %s",
* last_token->source_line,
* last_token->source_column + last_token->source_len,