Return 404s for unknown URLs. Also scroll back to the top of the page upon following a link.

doc/go/docserver/main.go

Index: doc/go/docserver/main.go
diff --git a/doc/go/docserver/main.go b/doc/go/docserver/main.go
index d5ee7e2a2508a25a257fd8d7708fcc2aa7b4cfde..3bd366c4a15f6a6dbbc3f72b2080577a007e8380 100644
--- a/doc/go/docserver/main.go
+++ b/doc/go/docserver/main.go
@@ -7,7 +7,6 @@ package main
 
 import (
 	"flag"
-	"fmt"
 	"mime"
 	"net/http"
 	"path/filepath"
@@ -113,7 +112,8 @@ func mainHandler(w http.ResponseWriter, r *http.Request) {
 
 	filename, raw, err := d.RawFilename(r.URL.Path)
 	if err != nil {
-		util.ReportError(w, r, err, fmt.Sprintf("Failed to find a matching file for %q %q", r.URL.Path, filename))
+		glog.Infof("Request for unknown path: %s", r.URL.Path)
+		http.NotFound(w, r)
 		return
 	}