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-rw-r--r--doc/progs/error4.go4
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/progs/error4.go b/doc/progs/error4.go
index 8f35cf74b..d40fc6eb2 100644
--- a/doc/progs/error4.go
+++ b/doc/progs/error4.go
@@ -1,3 +1,5 @@
+// compile
+
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
@@ -22,7 +24,7 @@ type appError struct {
type appHandler func(http.ResponseWriter, *http.Request) *appError
func (fn appHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
- if e := fn(w, r); e != nil { // e is *appError, not os.Error.
+ if e := fn(w, r); e != nil { // e is *appError, not error.
c := appengine.NewContext(r)
c.Errorf("%v", e.Error)
http.Error(w, e.Message, e.Code)