title: Store spring message tag in variable
body: <p>Is it possible to store the spring tag in a variable? </p>
  
  <pre><code>&lt;@spring.message messageKey/&gt;
  </code></pre>
  
  <p>I would like to concat this into a String </p>
  
  <pre><code>&lt;#assign a = &lt;@spring.message messageKey/&gt; + "something"&gt;
  </code></pre>