anchor.diff:  
   ----
   
  -For more information on JME3 material system, i suggest you read this link:http://jmonkeyengine.org/groups/development-discussion-jme3/forum/topic/jmonkeyengine3-material-system-full-explanation[topic].
  +For more information on JME3 material system, I suggest you read link:https://hub.jmonkeyengine.org/t/jmonkeyengine3-material-system-full-explanation/12947[jMonkeyEngine3 material system - full explanation].
   
   
   === JME3 Global uniforms
  
positive.code: 
  === Useful links
  
  link:http://www.eng.utah.edu/~cs5610/lectures/GLSL-ATI-Intro.pdf[http://www.eng.utah.edu/~cs5610/lectures/GLSL-ATI-Intro.pdf]
  
negative.code: === JME3 attributes
  
  Those are different attributes that are always passed to your shader. +
  You can find a complete list of those attribute in the Type enum of the VertexBuffer in link:https://github.com/jMonkeyEngine/jmonkeyengine/blob/master/jme3-core/src/main/java/com/jme3/scene/VertexBuffer.java[VertexBuffer.java]. 
  
  [NOTE] 
  ====
  