log/syslog: make the BUG notes visible on golang.org

It was only visible when you run godoc with explicit GOOS=windows,
which is less useful for people developing portable application on
non-windows platforms.

Also added a note that log/syslog is not supported on NaCl.

Change-Id: I81650445fb2a5ee161da7e0608c3d3547d5ac2a6
Reviewed-on: https://go-review.googlesource.com/9245Reviewed-by: Ian Lance Taylor <iant@golang.org>

src/log/syslog/syslog_windows.go → src/log/syslog/doc.go

@@ -2,7 +2,17 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// Package syslog provides a simple interface to the system log service.
+// Package syslog provides a simple interface to the system log
+// service. It can send messages to the syslog daemon using UNIX
+// domain sockets, UDP or TCP.
+//
+// Only one call to Dial is necessary. On write failures,
+// the syslog client will attempt to reconnect to the server
+// and write again.
 package syslog
 
 // BUG(brainman): This package is not implemented on Windows yet.
+
+// BUG(akumar): This package is not implemented on Plan 9 yet.
+
+// BUG(minux): This package is not implemented on NaCl (Native Client) yet.

src/log/syslog/syslog.go

@@ -4,13 +4,6 @@
 
 // +build !windows,!nacl,!plan9
 
-// Package syslog provides a simple interface to the system log
-// service. It can send messages to the syslog daemon using UNIX
-// domain sockets, UDP or TCP.
-//
-// Only one call to Dial is necessary. On write failures,
-// the syslog client will attempt to reconnect to the server
-// and write again.
 package syslog
 
 import (

src/log/syslog/syslog_plan9.go

-// Copyright 2012 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.
-
-// Package syslog provides a simple interface to the system log service.
-package syslog
-
-// BUG(akumar): This package is not implemented on Plan 9 yet.