Text constructs should not be pointed towards since they are pointers themselves

entry.go

@@ -6,6 +6,10 @@ import (
 	"fmt"
 )
 
+// It is advisable that each atom:entry element contain a non-empty atom:title
+// element, a non-empty atom:content element when that element is present, and
+// a non-empty atom:summary element when the entry contains no atom:content
+// element.
 type Entry struct {
 	*CommonAttributes
 	Authors      []*Person           `xml:"author,omitempty"`
@@ -15,10 +19,10 @@ type Entry struct {
 	ID           *ID                 `xml:"id"`
 	Links        []*Link             `xml:"link,omitempty"`
 	Published    *Date               `xml:"published,omitempty"`
-	Rights       *Text               `xml:"rights,omitempty"`
+	Rights       Text                `xml:"rights,omitempty"`
 	Source       *Source             `xml:"source,omitempty"`
-	Summary      *Text               `xml:"summary,omitempty"`
+	Summary      Text                `xml:"summary,omitempty"`
-	Title        *Text               `xml:"title"`
+	Title        Text                `xml:"title"`
 	Updated      *Date               `xml:"updated"`
 	Extensions   []*ExtensionElement `xml:",any,omitempty"`
 }
@@ -93,7 +97,7 @@ func (e *Entry) Check() error {
 	}
 
 	if e.Rights != nil {
-		if err := (*e.Rights).Check(); err != nil {
+		if err := e.Rights.Check(); err != nil {
 			return fmt.Errorf("rights element of entry %v: %v", e.ID.URI, err)
 		}
 	}
@@ -105,7 +109,7 @@ func (e *Entry) Check() error {
 	}
 
 	if e.Summary != nil {
-		if err := (*e.Summary).Check(); err != nil {
+		if err := e.Summary.Check(); err != nil {
 			return fmt.Errorf("summary element of entry %v: %v", e.ID.URI, err)
 		}
 	}
@@ -113,7 +117,7 @@ func (e *Entry) Check() error {
 	if e.Title == nil {
 		return fmt.Errorf("no title element of entry %v", e.ID.URI)
 	} else {
-		if err := (*e.Title).Check(); err != nil {
+		if err := e.Title.Check(); err != nil {
 			return fmt.Errorf("title element of entry %v: %v", e.ID.URI, err)
 		}
 	}

feed.go

@@ -26,9 +26,9 @@ type Feed struct {
 	Entries      []*Entry            `xml:"entry,omitempty"`
 }
 
-// atom:feed elements MUST NOT contain more than one atom:link
+// atom:feed elements MUST NOT contain more than one atom:link element with a
-// element with a rel attribute value of "alternate" that has the
+// rel attribute value of "alternate" that has the same combination of type and
-// same combination of type and hreflang attribute values.
+// hreflang attribute values.
 func hasAlternateDuplicateLinks(l []*Link) bool {
 	linkMap := make(map[string]bool)