anchor.diff:  
   ----
   
  -In the Nifty +++<abbr title="Graphical User Interface">GUI</abbr>+++ screen code (e.g. XML file) you must call the `(int x, int y)` method _without_ any parameters! 
  -
  -[source,xml]
  -----
  -
  -<interact onClick="clicked()"/>  
  +In the Nifty +++<abbr title="Graphical User Interface">GUI</abbr>+++ screen code (e.g. XML file) you must call the `(int x, int y)` method _without_ any parameters!
  +
  +[source,xml]
  +----
  +
  +<interact onClick="clicked()"/>
   
   ----
   
  
positive.code: ifdef::env-github,env-browser[:outfilesuffix: .adoc]
  
  
  This document contains typical NiftyGUI usecase scenarios, such as adding effects, game states, and creating typical game screens. 
  
  Requirements: These tips assume that you have read and understood the <<jme3/advanced/nifty_gui#,Creating JME3 User Interfaces with Nifty GUI>> tutorial, and have already laid out a basic +++<abbr title="Graphical User Interface">GUI</abbr>+++ that interacts with your JME3 application. Here you learn how you integrate the +++<abbr title="Graphical User Interface">GUI</abbr>+++ better, and add effects and advanced controls.
  
  
negative.code: 
  Learn more from the NiftyGUI page:
  
  *  link:https://versaweb.dl.sourceforge.net/project/nifty-gui/nifty-gui/1.3.2/nifty-gui-the-manual-1.3.2.pdf[Nifty GUI - the Manual: Effects]
  *  link:https://github.com/nifty-gui/nifty-gui/wiki/Effects[Effects] 
  
  
  == Add Sound Effects
  