anchor.diff:  
   === Contributing
   
  -Unlike Clojure and other Clojure contributed libraries _buddy-sign_ does not have many
  -restrictions for contributions. Just open an issue or pull request.
  +Unlike Clojure and other Clojure contributed libraries _buddy-sign_ does not
  +have many restrictions for contributions. Just open an issue or pull request.
   
   
   === Philosophy
  
positive.code: 
  [source,bash]
  ----
  lein test
  ----
  
  
  
negative.code: 
  === Claims validation
  
  _buddy-sign_ json web encryption, like *jws*, also implements validation of a
  concrete subset of claims: *exp* (expiration time), *nbf* (not before), *iss*
  (issuer) and *aud* (audience).
  
  The validation is performed on decoding the token. If `:exp` claim is found and
  is posterior to the current date time (UTC) an validation exception will be raised.
  
  Let see an example using direct api:
  
  