anchor.diff:  RETURN length(p)
   ----
   
  -.. No space in label predicates.
  +. No space in label predicates.
   +
   .Bad
   [source, cypher]
  
positive.code: RETURN p.name
  ----
  
  .. No space in patterns.
  +
  .Bad
  [source, cypher]
  
negative.code: RETURN map
  ----
  
  . No padding space for parameters.
  +
  .Bad
  [source, cypher]
  