anchor.diff:  * https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=ListOperatorExpression[List slicing].
   * https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=NullOperatorExpression[Null predicates].
   
  -Example expressions are
  +Example expressions are:
   
   * `--+-5`
   * `NOT NOT NOT false`
  
positive.code: * `5 - 4 - 3`
  * `5 - 4 + 3`
  * `5 + 4 + 3`
  * `TRUE AND FALSE AND TRUE`
  * `TRUE OR FALSE OR TRUE`
  * `TRUE XOR FALSE XOR TRUE`
  
  [IMPORTANT]
  .Chains of binary operators
  
negative.code: 
  
  ==== Chains of binary operators
  Binary operators that allow chaining with themselves of other operators of compatible result type on the same precedence level are:
  
  * https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=PowerOfExpression[Exponentiation].
  * https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=MultiplyDivideModuloExpression[Multiplication].
  * https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=MultiplyDivideModuloExpression[Division].
  * https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=MultiplyDivideModuloExpression[Remainder (Modulo)].
  * https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=AddOrSubtractExpression[Addition].
  * https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=AddOrSubtractExpression[Substraction].
  * https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=AndExpression[Boolean conjunction].
  * https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=OrExpression[Boolean inclusive disjunction].
  * https://raw.githack.com/openCypher/openCypher/master/tools/grammar-production-links/grammarLink.html?p=OrExpression[Boolean exclusive disjunction].
  
  Example expressions are:
  
  * `5 * 4 * 3`
  * `5 ^ 4 ^ 3`
  