exp: add import comments.

Change-Id: I107c8d6562402d1533e46e30b0cd0f42cc856654
Reviewed-on: https://go-review.googlesource.com/1236
Reviewed-by: Andrew Gerrand <adg@golang.org>
diff --git a/ebnf/ebnf.go b/ebnf/ebnf.go
index cd8c83c..ef1f946 100644
--- a/ebnf/ebnf.go
+++ b/ebnf/ebnf.go
@@ -20,7 +20,7 @@
 // and comments between tokens); all other production names denote
 // lexical productions.
 //
-package ebnf
+package ebnf // import "golang.org/x/exp/ebnf"
 
 import (
 	"errors"
diff --git a/ebnflint/doc.go b/ebnflint/doc.go
index 796a59f..3080b58 100644
--- a/ebnflint/doc.go
+++ b/ebnflint/doc.go
@@ -19,4 +19,4 @@
 the grammar; it defaults to "Start".
 
 */
-package main
+package main // import "golang.org/x/exp/ebnflint"
diff --git a/fsnotify/fsnotify.go b/fsnotify/fsnotify.go
index dc442e5..d48753e 100644
--- a/fsnotify/fsnotify.go
+++ b/fsnotify/fsnotify.go
@@ -5,7 +5,7 @@
 // +build !plan9,!solaris
 
 // Package fsnotify implements file system notification.
-package fsnotify
+package fsnotify // import "golang.org/x/exp/fsnotify"
 
 import "fmt"
 
diff --git a/inotify/inotify_linux.go b/inotify/inotify_linux.go
index f671f47..44577ff 100644
--- a/inotify/inotify_linux.go
+++ b/inotify/inotify_linux.go
@@ -24,7 +24,7 @@
     }
 
 */
-package inotify
+package inotify // import "golang.org/x/exp/inotify"
 
 import (
 	"errors"
diff --git a/locale/search/search.go b/locale/search/search.go
index c51dfaf..8040cd8 100644
--- a/locale/search/search.go
+++ b/locale/search/search.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package search provides language-sensitive string search functionality.
-package search
+package search // import "golang.org/x/exp/locale/search"
 
 import (
 	"golang.org/x/text/collate/colltab"
diff --git a/old/netchan/export.go b/old/netchan/export.go
index a65b260..548ea9f 100644
--- a/old/netchan/export.go
+++ b/old/netchan/export.go
@@ -17,7 +17,7 @@
 	Networked channels are not synchronized; they always behave
 	as if they are buffered channels of at least one element.
 */
-package netchan
+package netchan // import "golang.org/x/exp/old/netchan"
 
 // BUG: can't use range clause to receive when using ImportNValues to limit the count.
 
diff --git a/utf8string/string.go b/utf8string/string.go
index 99778b2..281d5ac 100644
--- a/utf8string/string.go
+++ b/utf8string/string.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package utf8string provides an efficient way to index strings by rune rather than by byte.
-package utf8string
+package utf8string // import "golang.org/x/exp/utf8string"
 
 import (
 	"errors"
diff --git a/winfsnotify/winfsnotify.go b/winfsnotify/winfsnotify.go
index 16264af..6781291 100644
--- a/winfsnotify/winfsnotify.go
+++ b/winfsnotify/winfsnotify.go
@@ -6,7 +6,7 @@
 
 // Package winfsnotify allows the user to receive
 // file system event notifications on Windows.
-package winfsnotify
+package winfsnotify // import "golang.org/x/exp/winfsnotify"
 
 import (
 	"errors"