anchor.diff:  
   ====
   
  -Alternatively, we can use the `t/make-interval` function which takes the two boundaries of the interval as its arguments.
  +Alternatively, we can use the `t/new-interval` function which takes the two boundaries of the interval as its arguments.
   
   ====
   [source,clojure]
   ----
  -(t/make-interval
  +(t/new-interval
     (t/instant "2018-12-31T23:55:00Z")
     (t/instant "2019-01-01T00:00:00Z"))
   ----
  
positive.code: 
  [source.code,clojure]
  ----
  (t/make-interval (t/today) (t/tomorrow))
  ----
  ====
  
  
negative.code: ----
  ====
  
  The arguments to `t/new-interval` do not have to be instants, they can be any time supported by _tick_.
  
  ====
  To return a 2-day interval spanning midnight this morning to midnight [#eval-two-days-from-today]#two days from today#:
  