title: PostScript == operator
body: <blockquote>
    <p>The value of == is not an operator, but rather a built-in procedure. </p>
  </blockquote>
  
  <p>PLRM page 526 (pdf page 540).</p>
  
  <p>a built-in procedure, does this mean that this is a PostScript procedure:</p>
  
  <pre><code>{ something here }
  </code></pre>
  
  <p>or an actual function e.g. in Java that you have to define yourself?</p>