diff --git a/src/cmd/doc/testdata/pkg.go b/src/cmd/doc/testdata/pkg.go
index 924daa1..0a5ecdc 100644
--- a/src/cmd/doc/testdata/pkg.go
+++ b/src/cmd/doc/testdata/pkg.go
@@ -5,6 +5,13 @@
 // Package comment.
 package pkg
 
+import (
+	"io"
+	"math"
+	"text/template"
+	"unicode"
+)
+
 // Constants
 
 // Comment about exported constant.
@@ -172,3 +179,12 @@ const (
 )
 
 const ConstGroup4 ExportedType = ExportedType{}
+
+const MathPi => math.Pi
+
+func MathSin => math.Sin
+func TemplateNew => template.New
+
+var UnicodeVersion => unicode.Version
+
+type UnicodeRangeTable => unicode.RangeTable

// TemplateNew is an alias for text/template.New.
func TemplateNew => template.New