Minor changes to the dart:io library files.

runtime/bin/process.dart

-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2012, 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.
 
+/**
+ * [Process] objects are used to start new processes and interact with
+ * them.
+ */
 interface Process default _Process {
   /**
    * Creates a new process object and starts a process running the 
    * [executable] with the specified [arguments]. When the process has been 
    * successfully started the [startHandler] is called. If the process fails 
    * to start the [errorHandler] is called.
    *
    * An optional [workingDirectory] can be passed to specify where the process
    * is run from. Note that the change of directory occurs before executing
    * the process on some platforms, which may have impact when using relative
@@ skipping 63 matching lines @@
   /**
    * Contains the system message for the process exception if any.
    */
   final String message;
 
   /**
    * Contains the OS error code for the process exception if any.
    */
   final int errorCode;
 }