Get rid of checks when creating constructs. Check should handle this.

icon.go

@@ -12,13 +12,9 @@ type Icon struct {
 	URI string `xml:",chardata"` // IRI
 }
 
-// NewIcon creates a new Icon. It returns a *Icon and an error.
-func NewIcon(uri string) (*Icon, error) {
-	if !isValidIRI(uri) {
-		return nil, fmt.Errorf("uri %v not correctly formatted", uri)
-	}
-
-	return &Icon{URI: uri}, nil
+// NewIcon creates a new Icon. It returns a *Icon.
+func NewIcon(uri string) *Icon {
+	return &Icon{URI: uri}
 }
 
 // Check checks the Icon for incompatibilities with RFC4287. It returns an