Change URI to IRI after finding validation pattern

outOfLineContent.go

@@ -10,7 +10,7 @@ import (
 type OutOfLineContent struct {
 	*CommonAttributes
 	Type MediaType `xml:"type,attr,omitempty"`
-	SRC  URI       `xml:"src,attr"`
+	SRC  IRI       `xml:"src,attr"`
 }
 
 func newOutOfLineContent(mediaType string, content any) (*OutOfLineContent, error) {
@@ -22,11 +22,11 @@ func newOutOfLineContent(mediaType string, content any) (*OutOfLineContent, erro
 		return nil, fmt.Errorf("content type %T incompatible with out of line content", content)
 	}
 
-	if !isValidURI(content.(URI)) {
+	if !isValidIRI(content.(IRI)) {
 		return nil, errors.New("content not a valid uri")
 	}
 
-	return &OutOfLineContent{Type: MediaType(mediaType), SRC: content.(URI)}, nil
+	return &OutOfLineContent{Type: MediaType(mediaType), SRC: content.(IRI)}, nil
 }
 
 func (o *OutOfLineContent) isContent() bool { return true }