anchor.diff:  
   If applicable, include a feature comparison table, along with any useful links.
   
  -To provide a well-rounded comparison, please ensure the inclusion of at least one SQL-based implementation - such as DB2 or Postgres - as well as SPARQL. If you require any assistance or pointers to the latter, please contact petra.selmer@neotechnology.com.
  +To provide a well-rounded comparison, please ensure the inclusion of at least one SQL-based implementation -- such as DB2 or Postgres -- as well as SPARQL.
  +If you require any assistance or pointers to the latter, please contact petra.selmer@neotechnology.com.
   
   == Benefits to this proposal
   
  
positive.code: 
  For each aspect of the proposed feature(s), provide at least one Cypher example query to show how the feature is envisaged to work, along with explanatory text.
  
  *_Example:_* +
  _Find all persons whose name starts with "And"._
  
  ----
  MATCH (a:Person) WHERE a.name STARTS WITH “And”
  RETURN a
  ----
  
  _Find all persons whose name starts with the parameter prefix._
  
  ----
  MATCH (a:Person) WHERE a.name STARTS WITH {prefix}
  RETURN a
  ----
  
  _Find all persons whose name ends with "fan"._
  
  ----
  MATCH (a:Person) WHERE a.name ENDS WITH "fan"
  RETURN a
  ----
  
  _Find all books whose isbn in string form contains "007"._
  
  ----
  MATCH (b:Book) WHERE toString(b.isbn) CONTAINS "007"
  RETURN a
  
negative.code: === Semantics
  
  Provide a description of the expected semantics of the new feature(s).
  Use subheadings to structure the content.
  
  _Examples are shown below in sections 3.3.1–3.3.3:_
  
  ==== STARTS WITH
  
  Using `lhs STARTS WITH rhs` requires both `lhs` and `rhs` to be strings. This new expression evaluates to true if `lhs` textually starts with `rhs`. Otherwise, it is false.
  
  ==== ENDS WITH
  
  Using `lhs ENDS WITH rhs` requires both `lhs` and `rhs` to be strings. This new expression evaluates to true if `lhs` textually ends with `rhs`. Otherwise, it is false.
  
  ==== CONTAINS
  
  Using `lhs CONTAINS rhs` requires both `lhs` and `rhs` to be strings.
  This new expression evaluates to true if `lhs` textually contains `rhs`.
  Otherwise, it is false.
  
  If any argument to `STARTS WITH`, `ENDS WITH`, or `CONTAINS` is `NULL`, then the result of evaluating the whole predicate is `NULL`.
  
  It is a type error to use `STARTS WITH`, `ENDS WITH`, or `CONTAINS` with a value that is not a string.
  
  === Interaction with existing features
  
  Provide details on any interactions that need to be considered.
  
  === Alternatives
  
  