title: In ConfigParser, why lines start with `REM ` will be ignored?
body: <p>The codes are like this:</p>
  
  <pre><code>        if line.split(None, 1)[0].lower() == 'rem' and line[0] in "rR":
              # no leading whitespace
              continue
  </code></pre>
  
  <p>I think this means if I write a config like this:</p>
  
  <pre><code>[memo]
  rem ember_last = True
  </code></pre>
  
  <p>The line starts with <code>rem ember_last</code> will be ignored.
  Why was the ConfigParser  designed like this?</p>