anchor.diff:  
   * <<jme3/beginner/hello_material#,Hello Material>>
   * <<jme3/intermediate/how_to_use_materials#,How To Use Materials>>
  -* <<jme3/advanced/materials_overview#,Materials Overview>>, <<jme3/advanced/asset_manager#,Asset Manager>>.
  +* <<jme3/advanced/materials_overview#,Materials Overview>>, <<jme3/advanced/asset_manager#,Asset Manager>>
   
   *Code sample:*
   
  
positive.code: 
  === How do I prevent users from unzipping my JAR?
  
  Add an link:http://netbeans.dzone.com/tips/obfuscating-netbeans-java-appl[obfuscator to the Ant script]. The SDK comes with a basic obfuscation script that you can enable in the project settings.
  
  
  == I want to do maths
  
negative.code: * <<jme3/advanced/materials_overview#,Materials Overview>>
  * <<jme3/advanced/asset_manager#,Asset Manager>>
  * link:https://github.com/jMonkeyEngine/jmonkeyengine/blob/master/jme3-core/src/main/java/com/jme3/asset/AssetManager.java[com.jme3.assets.AssetManager]
  * link:https://archive.blender.org/wiki/index.php/Doc:Manual/Textures/Maps/Bump_and_Normal_Maps/[Blender: Creating Bump Maps and Normal Maps]
  
  *Code sample:*
  
  