#lang racket/base (require brag/examples/whitespace brag/support rackunit) (check-equal? (parse-to-datum "\ty\n x\tz") '(start (tab "\t") (letter "y") (newline "\n") (space " ") (letter "x") (tab "\t") (letter "z"))) (check-equal? (parse-to-datum "\t\n \t") '(start (tab "\t") (newline "\n") (space " ") (tab "\t")))