* fixed small misstake in documentation

doc/docu.xhtml

@@ -1864,7 +1864,7 @@
                     <h4>Example:</h4>
                 </div>
                 <div class="content code area">
-                    <span class="pre">{$VERSION 130 compatibility}</span>
+                    <span class="pre">{$META $VERSION 130 compatibility}</span>
                 </div>
             </div>
         </div>