anchor.diff:              pageContext.setAttribute("greeting_content", greeting.content);
               String author;
               if (greeting.author_email == null) {
  -                author = "An anonymous person";
  +                author = "Anon";
               } else {
                   author = greeting.author_email;
                   String author_id = greeting.author_id;
  
positive.code: 
      if (greetings.isEmpty()) {
  %>
  <p>Guestbook '${fn:escapeXml(guestbookName)}' has no messages.</p>
  <%
      } else {
  %>
  
negative.code:     <link type="text/css" rel="stylesheet" href="/stylesheets/main.css"/>
  </head>
  
  <header>
  <h1>Welcome to Yale Lost and Found!</h1>
  </header>
  
  <body>
  
  <%
  