title: Error in Lua Repl.it - User Input not functioning correctly
body: <p>In this program: <a href="https://repl.it/EvM6" rel="nofollow noreferrer">https://repl.it/EvM6</a>, io.read() should cause input to be assigned to a variable, which is then printed to the screen. But, an odd error appears, which reads, </p>
  
  <blockquote>
    <p>"{"command":"input","data":"foo\n","error":""}".</p>
  </blockquote>
  
  <p>Why does this error occur? Is there any way to fix it?</p>