anchor.diff:  (for some unknown reason). It is wrapped in quotes, so the provider infers its type as
   `string` (and we need to convert it manually).
   
  -The following sample generates type based on the [`docs/WorldBank.json`](docs/WorldBank.json) 
  +The following sample generates type based on the [`docs/WorldBank.json`](../docs/WorldBank.json) 
   file and loads it:
   *)
   
  
positive.code: 
  (**
  When printing the data points, some of the values might be missing (in the input, the value
  is `null` instead of a valid number). This is another example of a heterogeenous type - 
  the type is either `Number` or some other type (representing `null` value). This means
  that `record.Value` has a `Number` property (when the value is a number) and we can use
  it to print the result only when the data point is available.
  
negative.code:  * [F# Data: JSON Parser and Reader](JsonValue.html) - provides more information about 
     working with JSON values dynamically.
  
  *)
  