Updated HttpServer documentation to specify that only IPv6 connections can be made when specifying …

sdk/lib/io/http.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of dart.io;
 
 /**
  * HTTP status codes.
  */
 abstract class HttpStatus {
@@ skipping 206 matching lines @@
    * incoming connections from the local host, use the value
    * [InternetAddress.LOOPBACK_IP_V4] or
    * [InternetAddress.LOOPBACK_IP_V6]. To allow for incoming
    * connection from the network use either one of the values
    * [InternetAddress.ANY_IP_V4] or [InternetAddress.ANY_IP_V6] to
    * bind to all interfaces or the IP address of a specific interface.
    *
    * If an IP version 6 (IPv6) address is used, both IP version 6
    * (IPv6) and version 4 (IPv4) connections will be accepted. To
    * restrict this to version 6 (IPv6) only, use [v6Only] to set
-   * version 6 only.
+   * version 6 only. However, if the address is
+   * [InternetAddress.LOOPBACK_IP_V6], only IP version 6 (IPv6) connections
+   * will be accepted.
    *
    * If [port] has the value [:0:] an ephemeral port will be chosen by
    * the system. The actual port used can be retrieved using the
    * [port] getter.
    *
    * The optional argument [backlog] can be used to specify the listen
    * backlog for the underlying OS listen setup. If [backlog] has the
    * value of [:0:] (the default) a reasonable value will be chosen by
    * the system.
    *
@@ skipping 1755 matching lines @@
 class RedirectException implements HttpException {
   final String message;
   final List<RedirectInfo> redirects;
 
   const RedirectException(this.message, this.redirects);
 
   String toString() => "RedirectException: $message";
 
   Uri get uri => redirects.last.location;
 }