title: How to escape an NSString to use in NSURL?
body: <p>Got this code so far for my send button:</p>
  
  <pre><code>NSString* urlString = [NSString stringWithFormat:@"http://server.com/ios/add.php?user=iPhone+App&amp;message=%@", messageBox.text stringByAddingPercentEscapesUsingEncoding : NSUFT8StringEncoding];
  NSURL *add = [NSURL URLWithString:urlString];
  </code></pre>
  
  <p>However I do get the error "Expected ':'</p>