Minor cleanup

client.go

@@ -10,7 +10,7 @@ import (
 	"time"
 )
 
-// Client is the main structure use to connect as a client on an XMPP
+// Client is the main structure used to connect as a client on an XMPP
 // server.
 type Client struct {
 	// Store user defined options

cmd/xmpp_component/xmpp_component.go

@@ -41,10 +41,13 @@ func main() {
 				reply := p.MakeError(xError)
 				component.xmpp.Send(&reply)
 			}
+
 		case xmpp.Message:
 			fmt.Println("Received message:", p.Body)
+
 		case xmpp.Presence:
 			fmt.Println("Received presence:", p.Type)
+
 		default:
 			fmt.Println("ignoring packet:", packet)
 		}

iq.go

@@ -10,7 +10,7 @@ import (
 )
 
 /*
-TODO support ability to put Raw payload
+TODO support ability to put Raw payload inside IQ
 */
 
 // ============================================================================
@@ -45,6 +45,7 @@ func (x *Err) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
 		}
 	}
 
+	// Check subelements to extract error text and reason (from local namespace).
 	for {
 		t, err := d.Token()
 		if err != nil {