--- a/webaudio/specification.html	Wed Aug 15 12:54:35 2012 +0100
+++ b/webaudio/specification.html	Wed Aug 15 22:24:02 2012 -0400
@@ -721,7 +721,7 @@
             
             void decodeAudioData(in ArrayBuffer audioData,
                                  in [Callback] AudioBufferCallback successCallback,
-                                 in [Optional, Callback] AudioBufferCallback errorCallback)
+                                 in [Callback] optional AudioBufferCallback errorCallback)
                 raises(DOMException);
             
 
@@ -735,21 +735,21 @@
                 raises(DOMException);
 
             JavaScriptAudioNode createJavaScriptNode(in unsigned long bufferSize,
-                                                     in [Optional] unsigned long numberOfInputChannels = 2,
-                                                     in [Optional] unsigned long numberOfOutputChannels = 2)
+                                                     in optional unsigned long numberOfInputChannels = 2,
+                                                     in optional unsigned long numberOfOutputChannels = 2)
                 raises(DOMException);
 
             RealtimeAnalyserNode createAnalyser();
             AudioGainNode createGainNode();
-            DelayNode createDelayNode(in [Optional] double maxDelayTime);
+            DelayNode createDelayNode(in optional double maxDelayTime);
             BiquadFilterNode createBiquadFilter();
             AudioPannerNode createPanner();
             ConvolverNode createConvolver();
 
-            AudioChannelSplitter createChannelSplitter(in [Optional] unsigned long numberOfOutputs = 6)
+            AudioChannelSplitter createChannelSplitter(in optional unsigned long numberOfOutputs = 6)
                 raises(DOMException);
 
-            AudioChannelMerger createChannelMerger(in [Optional] unsigned long numberOfInputs = 6);
+            AudioChannelMerger createChannelMerger(in optional unsigned long numberOfInputs = 6);
                 raises(DOMException);
 
             DynamicsCompressorNode createDynamicsCompressor();
@@ -1051,13 +1051,13 @@
 
     interface <dfn id="dfn-AudioNode">AudioNode</dfn> {
 
-        void connect(in AudioNode destination, in [Optional] unsigned long output = 0, in [Optional] unsigned long input = 0)
+        void connect(in AudioNode destination, in optional unsigned long output = 0, in optional unsigned long input = 0)
             raises(DOMException);
 
-        void connect(in AudioParam destination, in [Optional] unsigned long output = 0)
+        void connect(in AudioParam destination, in optional unsigned long output = 0)
             raises(DOMException);
 
-        void disconnect(in [Optional] unsigned long output = 0)
+        void disconnect(in optional unsigned long output = 0)
             raises(DOMException);
 
         readonly attribute AudioContext context;