diff --git a/category.go b/category.go
index 1db4228..16ef541 100644
--- a/category.go
+++ b/category.go
@@ -16,7 +16,7 @@ type Category struct {
 // NewCategory creates a new Category. It returns a *Category.
 func NewCategory(term string) *Category {
 	return &Category{
-		CommonAttributes: newCommonAttributes(),
+		CommonAttributes: NewCommonAttributes(),
 		Term:             term,
 	}
 }
diff --git a/commonAttributes.go b/commonAttributes.go
index 8c8dc6d..bbc5574 100644
--- a/commonAttributes.go
+++ b/commonAttributes.go
@@ -13,7 +13,7 @@ type CommonAttributes struct {
 
 // NewCommonAttributes creates a new set of CommonAttributes. It returns a
 // *CommonAttributes.
-func newCommonAttributes() *CommonAttributes {
+func NewCommonAttributes() *CommonAttributes {
 	return new(CommonAttributes)
 }
 
diff --git a/date.go b/date.go
index 809ad0b..35b14ff 100644
--- a/date.go
+++ b/date.go
@@ -19,7 +19,7 @@ func DateTime(t time.Time) string {
 // NewDate creates a new Date. It returns a *Date.
 func NewDate(t time.Time) *Date {
 	return &Date{
-		CommonAttributes: newCommonAttributes(),
+		CommonAttributes: NewCommonAttributes(),
 		DateTime:         DateTime(t),
 	}
 }
diff --git a/entry.go b/entry.go
index b7d4cfa..7479458 100644
--- a/entry.go
+++ b/entry.go
@@ -59,7 +59,7 @@ func (e *Entry) checkAuthors(authorInFeed bool) error {
 // NewEntry creates a new Entry. It returns a *Entry.
 func NewEntry(title string) *Entry {
 	return &Entry{
-		CommonAttributes: newCommonAttributes(),
+		CommonAttributes: NewCommonAttributes(),
 		ID:               NewID(NewURN()),
 		Title:            NewText("text", title),
 		Updated:          NewDate(time.Now()),
diff --git a/feed.go b/feed.go
index 4d9b395..dc8d07a 100644
--- a/feed.go
+++ b/feed.go
@@ -28,7 +28,7 @@ type Feed struct {
 // NewFeed creates a new Feed. It returns a *Feed.
 func NewFeed(title string) *Feed {
 	return &Feed{
-		CommonAttributes: newCommonAttributes(),
+		CommonAttributes: NewCommonAttributes(),
 		ID:               NewID(NewURN()),
 		Title:            NewText("text", title),
 		Updated:          NewDate(time.Now()),
diff --git a/generator.go b/generator.go
index ed859b8..5087958 100644
--- a/generator.go
+++ b/generator.go
@@ -17,7 +17,7 @@ type Generator struct {
 // NewGenerator creates a new Generator. It returns a *Generator.
 func NewGenerator(text string) *Generator {
 	return &Generator{
-		CommonAttributes: newCommonAttributes(),
+		CommonAttributes: NewCommonAttributes(),
 		Text:             html.UnescapeString(text),
 	}
 }
diff --git a/icon.go b/icon.go
index c33cb33..ebf7d89 100644
--- a/icon.go
+++ b/icon.go
@@ -15,7 +15,7 @@ type Icon struct {
 // NewIcon creates a new Icon. It returns a *Icon.
 func NewIcon(uri string) *Icon {
 	return &Icon{
-		CommonAttributes: newCommonAttributes(),
+		CommonAttributes: NewCommonAttributes(),
 		URI:              uri,
 	}
 }
diff --git a/id.go b/id.go
index 71d6561..3c9b3e3 100644
--- a/id.go
+++ b/id.go
@@ -15,7 +15,7 @@ type ID struct {
 // NewID creates a new ID. It returns a *ID.
 func NewID(uri string) *ID {
 	return &ID{
-		CommonAttributes: newCommonAttributes(),
+		CommonAttributes: NewCommonAttributes(),
 		URI:              uri,
 	}
 }
diff --git a/inlineOtherContent.go b/inlineOtherContent.go
index 112d2fb..622efa8 100644
--- a/inlineOtherContent.go
+++ b/inlineOtherContent.go
@@ -19,7 +19,7 @@ func newInlineOtherContent(mediaType string, content any) *InlineOtherContent {
 	mediaType, _, _ = mime.ParseMediaType(mediaType)
 
 	return &InlineOtherContent{
-		CommonAttributes: newCommonAttributes(),
+		CommonAttributes: NewCommonAttributes(),
 		Type:             mediaType,
 		AnyElement:       content,
 	}
diff --git a/inlineTextContent.go b/inlineTextContent.go
index 0c256f3..b094cf9 100644
--- a/inlineTextContent.go
+++ b/inlineTextContent.go
@@ -16,7 +16,7 @@ type InlineTextContent struct {
 // *InlineTextContent.
 func newInlineTextContent(mediaType, text string) *InlineTextContent {
 	return &InlineTextContent{
-		CommonAttributes: newCommonAttributes(),
+		CommonAttributes: NewCommonAttributes(),
 		Type:             mediaType,
 		Text:             text,
 	}
diff --git a/inlineXHTMLContent.go b/inlineXHTMLContent.go
index 872bed8..c115627 100644
--- a/inlineXHTMLContent.go
+++ b/inlineXHTMLContent.go
@@ -16,7 +16,7 @@ type InlineXHTMLContent struct {
 // *InlineXHTMLContent.
 func newInlineXHTMLContent(mediaType string, div *XHTMLDiv) *InlineXHTMLContent {
 	return &InlineXHTMLContent{
-		CommonAttributes: newCommonAttributes(),
+		CommonAttributes: NewCommonAttributes(),
 		Type:             mediaType,
 		XHTMLDiv:         div,
 	}
diff --git a/link.go b/link.go
index 0deb005..d90d067 100644
--- a/link.go
+++ b/link.go
@@ -20,7 +20,7 @@ type Link struct {
 // NewLink creates a new Link. It returns a *Link.
 func NewLink(href string) *Link {
 	return &Link{
-		CommonAttributes: newCommonAttributes(),
+		CommonAttributes: NewCommonAttributes(),
 		Href:             href,
 	}
 }
diff --git a/logo.go b/logo.go
index a35843f..d63ec05 100644
--- a/logo.go
+++ b/logo.go
@@ -14,7 +14,7 @@ type Logo struct {
 // NewLogo creates a new Logo. It returns a *Logo.
 func NewLogo(uri string) *Logo {
 	return &Logo{
-		CommonAttributes: newCommonAttributes(),
+		CommonAttributes: NewCommonAttributes(),
 		URI:              uri,
 	}
 }
diff --git a/outOfLineContent.go b/outOfLineContent.go
index 47ea848..249819b 100644
--- a/outOfLineContent.go
+++ b/outOfLineContent.go
@@ -19,7 +19,7 @@ func newOutOfLineContent(mediaType, src string) *OutOfLineContent {
 	mediaType, _, _ = mime.ParseMediaType(mediaType)
 
 	return &OutOfLineContent{
-		CommonAttributes: newCommonAttributes(),
+		CommonAttributes: NewCommonAttributes(),
 		Type:             mediaType,
 		SRC:              src,
 	}
diff --git a/person.go b/person.go
index 665ac31..72c15b8 100644
--- a/person.go
+++ b/person.go
@@ -16,7 +16,7 @@ type Person struct {
 // NewPerson creates a new Person. It returns a *Person.
 func NewPerson(name string) *Person {
 	return &Person{
-		CommonAttributes: newCommonAttributes(),
+		CommonAttributes: NewCommonAttributes(),
 		Name:             name,
 	}
 }
diff --git a/plainText.go b/plainText.go
index 651f22a..a6ef330 100644
--- a/plainText.go
+++ b/plainText.go
@@ -16,7 +16,7 @@ func (p *PlainText) isText() bool { return true }
 // newPlainText creates a new PlainText. It returns a *PlainText.
 func newPlainText(textType, content string) *PlainText {
 	return &PlainText{
-		CommonAttributes: newCommonAttributes(),
+		CommonAttributes: NewCommonAttributes(),
 		Type:             textType,
 		Text:             content,
 	}
diff --git a/source.go b/source.go
index 33e791a..ed1093f 100644
--- a/source.go
+++ b/source.go
@@ -25,7 +25,7 @@ type Source struct {
 
 // NewSource creates a new Source. It returns a *Source.
 func NewSource() *Source {
-	return &Source{CommonAttributes: newCommonAttributes()}
+	return &Source{CommonAttributes: NewCommonAttributes()}
 }
 
 // AddAuthor adds the Person as an author to the Source. It returns its index as
diff --git a/xhtmlText.go b/xhtmlText.go
index 26ffac8..e92dc88 100644
--- a/xhtmlText.go
+++ b/xhtmlText.go
@@ -16,7 +16,7 @@ func (x *XHTMLText) isText() bool { return true }
 // newPlainText creates a new PlainText. It returns a *PlainText.
 func newXHTMLText(textType, content string) *XHTMLText {
 	return &XHTMLText{
-		CommonAttributes: newCommonAttributes(),
+		CommonAttributes: NewCommonAttributes(),
 		Type:             textType,
 		XHTMLDiv:         NewXHTMLDiv(content),
 	}