anchor.diff:  * <<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:http://wiki.blender.org/index.php/Doc:Manual/Textures/Maps/Bump_and_Normal_Maps[Blender: Creating Bump Maps and Normal Maps]
  +* 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:*
   
  
positive.code: *Learn more:*
  
  * <<jme3/intermediate/simpleapplication#,SimpleApplication>>
  * <<jme3/intermediate/appsettings#,AppSettings>>.
  
  
  === How can I switch between screens or states?
  
negative.code: 
  * <<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>>
  
  *Code sample:*
  
  