anchor.diff:  
   [source,clojure]
   ----
  -(th/find-first result :attribute [:isPermaLink true])
  +(th/find-first result {:attribute [:isPermaLink true]})
   
   ;; => [:guid {:isPermaLink "true"} ["7bd204c6-1655-4c27-aeee-53f933c5395f"]]
   ----
  
positive.code: 
  [source,clojure]
  ----
  (th/find-first result :attribute :isPermaLink)
  
  ;; => [:guid {:isPermaLink "false"} ["7bd204c6-1655-4c27-aeee-53f933c5395f"]]
  ----
  
negative.code: 
  === Utility functions
  
  [source,clojure]
  ----
  (require '[tubax.helpers :as th])
  