anchor.diff:  
   * Map2 - Dynamic Value Access
   * Map3 - Keys Function
  -* Map4 - Negative Tests
  +* Map4 - Exists function
  +* Map5 - Negative Tests
   
   === Mathematical
   
  -* Addition
  -* ArithmeticPrecedence
  -* SignedNumbersFunctions
  -* SquareRoot
  +* Mathematical11 - SignedNumbersFunctions
  +* Mathematical13 - SquareRoot
  +* Mathematical2 - Addition
  +* Mathematical8 - ArithmeticPrecedence
  +
  +=== Null
  +
  +* Null1 - IS NULL validation
  +* Null2 - IS NOT NULL validation
  +* Null2 - Null evaluation
  +
  +=== String
  +
  +* String1 - Substring extraction
  +* String10 - Exact Substring Search
  +* String11 - Combining Exact String Search
  +* String3 - String Reversal
  +* String4 - String Splitting
  +* String8 - Exact String Prefix Search
  +* String9 - Exact String Suffix Search
   
   === Temporal
   
   * Temporal1 - Create Temporal Values from a Map
  +* Temporal10 - Compute Durations Between two Temporal Values
   * Temporal2 - Create Temporal Values from a String
   * Temporal3 - Project Temporal Values from other Temporal Values
   * Temporal4 - Store Temporal Values
  
positive.code: == Expressions
  
  
  === Comparison
  
  * Comparison1 - Equality
  
negative.code: * Comparison3 - Full-Bound Range
  * Comparison4 - Combination of Comparisons
  
  === Conditional
  
  * Conditional1 - Coalesce Expression
  
  === List
  
  * List1 - Dynamic Element Access
  * List11 - List Comprehension
  * List2 - List Slicing
  * List3 - List Equality
  * List4 - List Concatenation
  