Add NewCategory

category.go

@@ -7,12 +7,21 @@ import (
 
 type Category struct {
 	*CommonAttributes
-	Content *Content `xml:"content"`
+	Content Content `xml:"content"` // should this even exist in here?
 	Term    string  `xml:"term,attr"`
 	Scheme  URI     `xml:"scheme,attr,omitempty"`
 	Label   string  `xml:"label,attr,omitempty"`
 }
 
+func NewCategory(term string) (*Category, error) {
+	content, err := NewContent(InlineText, "", "")
+	if err != nil {
+		return nil, fmt.Errorf("error creating content element: %v", err)
+	}
+
+	return &Category{Term: term, Content: content}, nil
+}
+
 func (c *Category) Check() error {
 	if c.Term == "" {
 		return errors.New("term attribute of category empty")
@@ -21,7 +30,7 @@ func (c *Category) Check() error {
 	if c.Content == nil {
 		return errors.New("no content element of category")
 	} else {
-		if err := (*c.Content).Check(); err != nil {
+		if err := c.Content.Check(); err != nil {
 			return fmt.Errorf("content element of category: %v", err)
 		}
 	}