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

id.go

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