Rename package flag --> pflag

example_test.go

diff --git a/example_test.go b/example_test.go
index 04a0d20..fc3eb6c 100644
--- a/example_test.go
+++ b/example_test.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // These examples demonstrate more intricate uses of the flag package.
-package flag_test
+package pflag_test
 
 import (
 	"errors"

export_test.go

diff --git a/export_test.go b/export_test.go
index 7b19080..8ff8e29 100644
--- a/export_test.go
+++ b/export_test.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package flag
+package pflag
 
 import "os"
 

flag.go

diff --git a/flag.go b/flag.go
index 353f448..5e708d4 100644
--- a/flag.go
+++ b/flag.go
@@ -58,7 +58,7 @@
 	analogous to the top-level functions for the command-line
 	flag set.
 */
-package flag
+package pflag
 
 import (
 	"errors"

flag_test.go

diff --git a/flag_test.go b/flag_test.go
index a9561f2..8d2e407 100644
--- a/flag_test.go
+++ b/flag_test.go
@@ -2,11 +2,11 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package flag_test
+package pflag_test
 
 import (
 	"bytes"
-	. "flag"
+	. "pflag"
 	"fmt"
 	"os"
 	"sort"