Racket's inherent problem: read-line read-line malfunctions in REPL. (Discussion) And on Windows, console IO doesn't recognize \r\n unless you put an appropriate value like 'any in the second argument. (Example) C, C++, C#, Python, Java, Go, Clojure, and Common Lisp do not have this problem. In order to expand the base of programming languages, it is necessary to respond to common sense use by o..