anchor.diff:                                     stateName
                                      parameterList[null]
                                      codeBlock
  -                                   pragmaList
  +                                   pragmaList[_SPACE]
                                    )                          
                                 ;
   
  
positive.code:                                    description
                                     leftToRight=halfRelationshipDefinition
                                     rightToLeft=halfRelationshipDefinition
                                     pragmaList
                                   )                          
                                {
                                    halfRels.add( getText( $leftToRight.text ) );
  
negative.code:                                    parameterList[null]
                                     returnType?
                                     codeBlock
                                     pragmaList[_SPACE]
                                   )                          
                                ;
  
  