anchor.diff:  * https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=CaseExpression[Case expressions]
   * https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=ListComprehension[List comprehensions]
   * https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=PatternComprehension[Pattern comprehensions]
  -* https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=Reduce[Reduce operations]
  +* https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=Reduce[Reduce operator]
   * quantifiers
   * https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=RelationshipsPattern[Pattern predicates]
   * https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=ParenthesizedExpression[Function invocations]
  
positive.code: * Contains predicate (and right-hand operand)
  * Regular expression predicate
  
  |https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=StringOperatorExpression[List operations] (left-hand operand)
  |
  
  * List element containment predicate (and right-hand operand)
  * List element access
  * List slicing
  
  |https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=NullOperatorExpression[Null operations] (left-hand operand)
  |
  
  * Null predicate
  
negative.code: * https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=ParenthesizedExpression[Parenthesized expression]
  
  |11
  |https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=PropertyOrLabelsExpression[Graph element operators]
  |
  
  * property lookup
  * label expressions
  
  .3+|10
  |https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=StringOperatorExpression[String operators] (left-hand operand)
  |
  
  * Prefix predicate (and right-hand operand)
  