title: How can I use concatenation in scheme without spaces
body: <p>I have a problem with concatenation and spaces in Scheme.
  The result of the command:</p>
  
  <pre><code>(append '(%procedure:) (list '+) '(%))**     //with spaces
  </code></pre>
  
  <p>is: </p>
  
  <pre><code>%procedure: + %      //without spaces
  </code></pre>
  
  <p>How can I make the same result without space between the lists, so the result will be: </p>
  
  <pre><code>%procedure:+%
  </code></pre>