anchor.diff:  
   [source,clojure]
   ----
  -(ns hello.world
  -  (:require [hello.time :as ht]))
  +(ns hello
  +  (:require [hello-time :as ht]))
   
   (defn -main []
     (println "Hello world, the time is" (ht/time-str (ht/now))))
  
positive.code: 
  [source,shell]
  ----
  $ clj -m hello.world
  Hello world, the time is 02:07 PM
  ----
  
  
negative.code: ├── hello-time
  │   ├── deps.edn
  │   └── src
  │       └── hello_time.clj
  └── hello-world
      ├── deps.edn
      └── src
          └── hello.clj
  ----
  
  Under hello-time, use a copy of the deps.edn file you already have, and create a file `src/hello_time.clj`:
  
  [source,clojure]
  ----
  (ns hello-time
    (:require [clj-time.core :as t]
              [clj-time.format :as f]))
  
  