anchor.diff:  
   				programInfo = _programs[ i ];
   
  -				if ( programInfo.program != program ) {
  +				if ( programInfo.glProgram != program ) {
   
   					newPrograms.add( programInfo );
   
  
positive.code: 
  	/** Internal properties **/
  
  	List _programs;
  	int _programs_counter;
  
  	// internal state cache
  
negative.code: 		// assumed there is only single copy of any program in the _programs list
  		// (that's how it's constructed)
  
  		var i, il;
  		Program programInfo;
  		var deleteProgram = false;
  
  		for ( var i = 0, il = _programs.length; i < il; i ++ ) {
  
  			programInfo = _programs[ i ];
  
  			if ( programInfo.glProgram == program ) {
  
  				programInfo.usedTimes --;
  
  