title: facebook postcard and payload
body: <p>I am having a native application in facebook. I tried to post to a user wall using the following header format</p>
  
  <p><a href="https://graph.facebook.com/100002944254185/feed?message=today" rel="noreferrer">https://graph.facebook.com/100002944254185/feed?message=today</a></p>
  
  <p>Authorization: OAuth oauth_version=1.0,oauth_nonce=5887e5b11904194f7d217e9b7f795d62, oauth_timestamp=1317623602,
  oauth_consumer_key=129042607197622,
  oauth_token=AAAB1XRLDTbYBAIfcTKw3mowkwjld89A4K7JVQHZAOM60Tmb8za6wjNq8sPTuHhiAVojKyXm9r1SB3OWlSkKWI2sn9lSAwQGE0giA0UTgCfgXcd0ZCe, oauth_signature_method=HMAC-SHA1,
  oauth_signature=GKl%2Bvf3Vaq25XY7dTnb%2FJg3fip8%3D<br>
  Content-Type: application/X-WWW-form-urlencoded</p>
  
  <p>when executing getting an error as</p>
  
  <p>HTTP/1.1 400 Bad Request</p>
  
  <p>WWW-Authenticate: OAuth "Facebook Platform" "invalid_request" "Expected 1 '.' in the input between the postcard and the payload"</p>
  
  <p>Can anyone say what does this mean?</p>