anchor.diff:  [source,clojure]
   ----
   ;; deps.edn
  -{:deps {org.clojure/clojure {:mvn/version "1.9.0-alpha20"}}
  +{:deps {org.clojure/clojure {:mvn/version "1.9.0-beta2"}}
    :aliases {
      :test {:extra-paths ["test"]}
    }
  
positive.code: ----
  ;; deps.edn
  {:deps {org.clojure/clojure {:mvn/version "1.8.0"}}
   :aliases {:1.9 {:override-deps {org.clojure/clojure {:mvn/version "1.9.0-alpha20"}}}
             :dev {:classpath-overrides {org.clojure/clojure "/Users/me/code/clojure/target/classes"}}}}
  ----
  
  
negative.code:    :bench {:extra-deps {criterium {:mvn/version "0.4.4"}}}
  
     ;; An alias to override the default Clojure version: -R:1.9
     :1.9 {:override-deps {org.clojure/clojure {:mvn/version "1.9.0-beta2"}}}
  
     ;; A classpath override alias to use a local build of Clojure: -C:dev
     :dev {:classpath-overrides {org.clojure/clojure "/Users/me/clojure/target/classes"}}
  