anchor.diff:                                  <form method="POST" action="<c:url value="/location/${location.getSlug()}/quiz"/>">
                                       <div class="input-group">
                                           <input type="hidden" name="hint" value="false" />
  +                                        <input type="hidden" name="mail" value="true"/>
                                           <input type="text" class="form-control" name="code" size="6" maxlength="6"  placeholder=${message}/>
                                           <span class="input-group-btn">
  -                                            <input  type="submit" class="btn btn-default btn-md" value="prfen" />
  +                                            <input  type="submit" class="btn btn-default btn-md" value="pr?fen" />
                                           </span>
                                       </div>
                                  </form>
  
positive.code:                                 </p>
                                  <div class="col-xs-12 text-center">
                                      <div><i class="fa fa-frown-o" style="font-size: 200px;" aria-hidden="true"></i></div>
                                      <div><a href="<c:url value="/location/${location.getSlug()}"/>"><button  type="button" class="btn btn-default">Zurck zu ${location.getName()}</button></a></div>
                                  </div>
                              </div>
                          </div>
  
negative.code: ﻿<!DOCTYPE html>
  
  <%@ taglib prefix="spring" uri="http://www.springframework.org/tags"%>
  <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
  