diff -r 000000000000 -r 6474c204b198 xpcom/sample/nsISample.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xpcom/sample/nsISample.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,34 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/**
+ * A sample of XPConnect. This file contains a sample interface.
+ *
+ */
+
+#include "nsISupports.idl"
+
+/**
+ * The uuid is a unique number identifying the interface normally
+ * called IID. It can be generated as follows:
+ *
+ * Windows: guidgen.exe
+ * Unix: uuidgen which comes with e2fsprogs package
+ * Mac: ???
+ * All platform: Using irc, connect to irc.mozilla.org and type in
+ *				/join #mozilla
+ *				/msg mozbot uuid
+ *
+ */
+[scriptable, uuid(7CB5B7A1-07D7-11d3-BDE2-000064657374)]
+interface nsISample : nsISupports
+{
+    attribute string value;
+    void writeValue(in string aPrefix);
+    void poke(in string aValue);
+};
+
+
+