attribute test.

src/docs/asciidoc/jme3/advanced/application_states.adoc

@@ -248,7 +248,7 @@ Notable BaseAppState changes are as follows:
 
 You use BaseAppState as you would AbstractAppState, other than mentioned above, and which one you use is entirely up to you. However, BaseAppState makes your life easier and is the recommended one to use now.
 
-See link:http://javadoc.jmonkeyengine.org/com/jme3/app/state/BaseAppState.html[BaseAppState] for more information.
+See link:{link-javadoc}/com/jme3/app/state/BaseAppState.html[BaseAppState] for more information.
 
 == Pausing and Unpausing