From 366a09ec5e4d447e1131ebde99e40bf9c66a0050 Mon Sep 17 00:00:00 2001
From: Randolf Jung <jrandolf@chromium.org>
Date: Mon, 4 Mar 2024 13:26:27 +0100
Subject: [PATCH] Delegate pointer defaults to pointer spec

---
 index.html | 709 ++++++++++++++++++++++-------------------------------
 1 file changed, 296 insertions(+), 413 deletions(-)

diff --git a/index.html b/index.html
index 1daa6b3e..12315341 100644
--- a/index.html
+++ b/index.html
@@ -8402,220 +8402,173 @@ <h3>Processing actions</h3>
     
      <li><p>Set the <code>button</code> property of <var>action</var>
       to <var>button</var>.
+    </ol>
 
-     <li><p>Set the <code>width</code> property of <var>action</var>
-      to 1.
+   <dt>"<code>touch</code>"
+   <dd>
+    <ol>
+     <li><p>Set the <code>button</code> property of <var>action</var>
+      to 0.
 
+     <li><p>Let <var>width</var> be the result
+      of getting the property <code>width</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>width</var> is not <a>undefined</a>
+      and <var>width</var> is not a <a>Number</a> greater than or
+      equal to 0 return <a>error</a> with <a>error code</a>
+      <a>invalid argument</a>.
+    
+     <li><p>Set the <code>width</code> property of <var>action</var>
+      to <var>width</var>.
+    
+     <li><p>Let <var>height</var> be the result
+      of getting the property <code>height</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>height</var> is not <a>undefined</a>
+      and <var>height</var> is not a <a>Number</a> greater than or
+      equal to 0 return <a>error</a> with <a>error code</a>
+      <a>invalid argument</a>.
+    
      <li><p>Set the <code>height</code> property of <var>action</var>
-      to 1.
-     
-     <li><p>If <var>action</var>'s <code>subtype</code> property is
-      "<code>pointerDown</code>", set the <code>pressure</code> property of
-      <var>action</var> to 0.5. Otherwise, set the <code>pressure</code> property of
-      <var>action</var> to 0.
+      to <var>height</var>.
 
-     <li><p>Set the <code>tangentialPressure</code> property of <var>action</var>
-      to 0.
+     <li><p>Let <var>pressure</var> be the result
+      of getting the property <code>pressure</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>pressure</var> is not <a>undefined</a>
+      and <var>pressure</var> is not a <a>Number</a> greater than or
+      equal to 0 and less than or equal to 1 return <a>error</a> with
+      <a>error code</a> <a>invalid argument</a>.
+    
+     <li><p>Set the <code>pressure</code> property of <var>action</var>
+      to <var>pressure</var>.
+    </ol>
 
+   <dt>"<code>pen</code>"
+   <dd>
+    <ol>
+     <li><p>Let <var>button</var> be the result
+      of getting the property <code>button</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>button</var> is not an <a>Integer</a> greater than or
+      equal to 0 return <a>error</a> with <a>error code</a>
+      <a>invalid argument</a>.
+    
+     <li><p>Set the <code>button</code> property of <var>action</var>
+      to <var>button</var>.
+     
+     <li><p>Let <var>width</var> be the result
+      of getting the property <code>width</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>width</var> is not <a>undefined</a>
+      and <var>width</var> is not a <a>Number</a> greater than or
+      equal to 0 return <a>error</a> with <a>error code</a>
+      <a>invalid argument</a>.
+    
+     <li><p>Set the <code>width</code> property of <var>action</var>
+      to <var>width</var>.
+    
+     <li><p>Let <var>height</var> be the result
+      of getting the property <code>height</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>height</var> is not <a>undefined</a>
+      and <var>height</var> is not a <a>Number</a> greater than or
+      equal to 0 return <a>error</a> with <a>error code</a>
+      <a>invalid argument</a>.
+    
+     <li><p>Set the <code>height</code> property of <var>action</var>
+      to <var>height</var>.
+    
+     <li><p>Let <var>pressure</var> be the result
+      of getting the property <code>pressure</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>pressure</var> is not <a>undefined</a>
+      and <var>pressure</var> is not a <a>Number</a> greater than or
+      equal to 0 and less than or equal to 1 return <a>error</a> with
+      <a>error code</a> <a>invalid argument</a>.
+    
+     <li><p>Set the <code>pressure</code> property of <var>action</var>
+      to <var>pressure</var>.
+    
+     <li><p>Let <var>tangentialPressure</var> be the result
+      of getting the property <code>tangentialPressure</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>tangentialPressure</var> is not <a>undefined</a>
+      and <var>tangentialPressure</var> is not a <a>Number</a> greater
+      than or equal to -1 and less than or equal to 1 return <a>error</a>
+      with <a>error code</a> <a>invalid argument</a>.
+    
+     <li><p>Set the <code>tangentialPressure</code> property of <var>action</var>
+      to <var>tangentialPressure</var>.
+    
+     <li><p>Let <var>tiltX</var> be the result
+      of getting the property <code>tiltX</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>tiltX</var> is not <a>undefined</a>
+      and <var>tiltX</var> is not an <a>Integer</a> greater than or
+      equal to -90 and less than or equal to 90 return <a>error</a> with
+      <a>error code</a> <a>invalid argument</a>.
+    
      <li><p>Set the <code>tiltX</code> property of <var>action</var>
-      to 0.
-
+      to <var>tiltX</var>.
+    
+     <li><p>Let <var>tiltY</var> be the result
+      of getting the property <code>tiltY</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>tiltY</var> is not <a>undefined</a>
+      and <var>tiltY</var> is not an <a>Integer</a> greater than or
+      equal to -90 and less than or equal to 90 return <a>error</a> with
+      <a>error code</a> <a>invalid argument</a>.
+    
      <li><p>Set the <code>tiltY</code> property of <var>action</var>
-      to 0.
-
+      to <var>tiltY</var>.
+    
+     <li><p>Let <var>twist</var> be the result
+      of getting the property <code>twist</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>twist</var> is not <a>undefined</a>
+      and <var>twist</var> is not an <a>Integer</a> greater than or
+      equal to 0 and less than or equal to 359 return <a>error</a> with
+      <a>error code</a> <a>invalid argument</a>.
+    
      <li><p>Set the <code>twist</code> property of <var>action</var>
-      to 0.
-
+      to <var>twist</var>.
+    
+     <li><p>Let <var>altitudeAngle</var> be the result
+      of getting the property <code>altitudeAngle</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>altitudeAngle</var> is not <a>undefined</a>
+      and <var>altitudeAngle</var> is not a <a>Number</a> greater than
+      or equal to 0 and less than or equal to π/2 return <a>error</a> with
+      <a>error code</a> <a>invalid argument</a>.
+    
      <li><p>Set the <code>altitudeAngle</code> property of <var>action</var>
-      to π/2.
-
+      to <var>altitudeAngle</var>.
+    
+     <li><p>Let <var>azimuthAngle</var> be the result
+      of getting the property <code>azimuthAngle</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>azimuthAngle</var> is not <a>undefined</a>
+      and <var>azimuthAngle</var> is not a <a>Number</a> greater than
+      or equal to 0 and less than or equal to 2π return <a>error</a> with
+      <a>error code</a> <a>invalid argument</a>.
+    
      <li><p>Set the <code>azimuthAngle</code> property of <var>action</var>
-      to 0.
+      to <var>azimuthAngle</var>.
     </ol>
-
-    <dt>"<code>touch</code>"
-    <dd>
-     <ol>
-      <li><p>Set the <code>button</code> property of <var>action</var>
-       to 0.
- 
-      <li><p>Let <var>width</var> be the result
-       of getting the property <code>width</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>width</var> is not <a>undefined</a>
-       and <var>width</var> is not a <a>Number</a> greater than or
-       equal to 0 return <a>error</a> with <a>error code</a>
-       <a>invalid argument</a>.
-     
-      <li><p>Set the <code>width</code> property of <var>action</var>
-       to <var>width</var>.
-     
-      <li><p>Let <var>height</var> be the result
-       of getting the property <code>height</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>height</var> is not <a>undefined</a>
-       and <var>height</var> is not a <a>Number</a> greater than or
-       equal to 0 return <a>error</a> with <a>error code</a>
-       <a>invalid argument</a>.
-     
-      <li><p>Set the <code>height</code> property of <var>action</var>
-       to <var>height</var>.
- 
-      <li><p>Let <var>pressure</var> be the result
-       of getting the property <code>pressure</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>pressure</var> is not <a>undefined</a>
-       and <var>pressure</var> is not a <a>Number</a> greater than or
-       equal to 0 and less than or equal to 1 return <a>error</a> with
-       <a>error code</a> <a>invalid argument</a>.
-     
-      <li><p>Set the <code>pressure</code> property of <var>action</var>
-       to <var>pressure</var>.
- 
-      <li><p>Set the <code>tangentialPressure</code> property of <var>action</var>
-       to 0.
- 
-      <li><p>Set the <code>tiltX</code> property of <var>action</var>
-       to 90.
- 
-      <li><p>Set the <code>tiltY</code> property of <var>action</var>
-       to 0.
- 
-      <li><p>Set the <code>twist</code> property of <var>action</var>
-       to 0.
- 
-      <li><p>Set the <code>altitudeAngle</code> property of <var>action</var>
-       to 0.
- 
-      <li><p>Set the <code>azimuthAngle</code> property of <var>action</var>
-       to 0.
-     </ol>
-
-    <dt>"<code>pen</code>"
-    <dd>
-     <ol>
-      <li><p>Let <var>button</var> be the result
-       of getting the property <code>button</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>button</var> is not an <a>Integer</a> greater than or
-       equal to 0 return <a>error</a> with <a>error code</a>
-       <a>invalid argument</a>.
-     
-      <li><p>Set the <code>button</code> property of <var>action</var>
-       to <var>button</var>.
-      
-      <li><p>Let <var>width</var> be the result
-       of getting the property <code>width</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>width</var> is not <a>undefined</a>
-       and <var>width</var> is not a <a>Number</a> greater than or
-       equal to 0 return <a>error</a> with <a>error code</a>
-       <a>invalid argument</a>.
-     
-      <li><p>Set the <code>width</code> property of <var>action</var>
-       to <var>width</var>.
-     
-      <li><p>Let <var>height</var> be the result
-       of getting the property <code>height</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>height</var> is not <a>undefined</a>
-       and <var>height</var> is not a <a>Number</a> greater than or
-       equal to 0 return <a>error</a> with <a>error code</a>
-       <a>invalid argument</a>.
-     
-      <li><p>Set the <code>height</code> property of <var>action</var>
-       to <var>height</var>.
-     
-      <li><p>Let <var>pressure</var> be the result
-       of getting the property <code>pressure</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>pressure</var> is not <a>undefined</a>
-       and <var>pressure</var> is not a <a>Number</a> greater than or
-       equal to 0 and less than or equal to 1 return <a>error</a> with
-       <a>error code</a> <a>invalid argument</a>.
-     
-      <li><p>Set the <code>pressure</code> property of <var>action</var>
-       to <var>pressure</var>.
-     
-      <li><p>Let <var>tangentialPressure</var> be the result
-       of getting the property <code>tangentialPressure</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>tangentialPressure</var> is not <a>undefined</a>
-       and <var>tangentialPressure</var> is not a <a>Number</a> greater
-       than or equal to -1 and less than or equal to 1 return <a>error</a>
-       with <a>error code</a> <a>invalid argument</a>.
-     
-      <li><p>Set the <code>tangentialPressure</code> property of <var>action</var>
-       to <var>tangentialPressure</var>.
-     
-      <li><p>Let <var>tiltX</var> be the result
-       of getting the property <code>tiltX</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>tiltX</var> is not <a>undefined</a>
-       and <var>tiltX</var> is not an <a>Integer</a> greater than or
-       equal to -90 and less than or equal to 90 return <a>error</a> with
-       <a>error code</a> <a>invalid argument</a>.
-     
-      <li><p>Set the <code>tiltX</code> property of <var>action</var>
-       to <var>tiltX</var>.
-     
-      <li><p>Let <var>tiltY</var> be the result
-       of getting the property <code>tiltY</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>tiltY</var> is not <a>undefined</a>
-       and <var>tiltY</var> is not an <a>Integer</a> greater than or
-       equal to -90 and less than or equal to 90 return <a>error</a> with
-       <a>error code</a> <a>invalid argument</a>.
-     
-      <li><p>Set the <code>tiltY</code> property of <var>action</var>
-       to <var>tiltY</var>.
-     
-      <li><p>Let <var>twist</var> be the result
-       of getting the property <code>twist</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>twist</var> is not <a>undefined</a>
-       and <var>twist</var> is not an <a>Integer</a> greater than or
-       equal to 0 and less than or equal to 359 return <a>error</a> with
-       <a>error code</a> <a>invalid argument</a>.
-     
-      <li><p>Set the <code>twist</code> property of <var>action</var>
-       to <var>twist</var>.
-     
-      <li><p>Let <var>altitudeAngle</var> be the result
-       of getting the property <code>altitudeAngle</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>altitudeAngle</var> is not <a>undefined</a>
-       and <var>altitudeAngle</var> is not a <a>Number</a> greater than
-       or equal to 0 and less than or equal to π/2 return <a>error</a> with
-       <a>error code</a> <a>invalid argument</a>.
-     
-      <li><p>Set the <code>altitudeAngle</code> property of <var>action</var>
-       to <var>altitudeAngle</var>.
-     
-      <li><p>Let <var>azimuthAngle</var> be the result
-       of getting the property <code>azimuthAngle</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>azimuthAngle</var> is not <a>undefined</a>
-       and <var>azimuthAngle</var> is not a <a>Number</a> greater than
-       or equal to 0 and less than or equal to 2π return <a>error</a> with
-       <a>error code</a> <a>invalid argument</a>.
-     
-      <li><p>Set the <code>azimuthAngle</code> property of <var>action</var>
-       to <var>azimuthAngle</var>.
-     </ol>
   </dl>
 
  <li><p>Return success with data <a><code>null</code></a>.
@@ -8677,233 +8630,163 @@ <h3>Processing actions</h3>
  <li><p>Run the substeps of the first matching value of <var>pointerType</var>
 
   <dl class=switch>
-   <dt>"<code>mouse</code>"
+    <dt>"<code>mouse</code>"
+    <dd>
+     <ol>
+      <li>Do nothing.
+     </ol>
+
+   <dt>"<code>touch</code>"
    <dd>
     <ol>
-     <li><p>Let <var>button</var> be the result
-      of getting the property <code>button</code>
+     <li><p>Let <var>width</var> be the result
+      of getting the property <code>width</code>
       from <var>action item</var>.
     
-     <li><p>If <var>button</var> is not an <a>Integer</a> greater than or
+     <li><p>If <var>width</var> is not <a>undefined</a>
+      and <var>width</var> is not a <a>Number</a> greater than or
       equal to 0 return <a>error</a> with <a>error code</a>
       <a>invalid argument</a>.
     
-     <li><p>Set the <code>button</code> property of <var>action</var>
-      to <var>button</var>.
-
      <li><p>Set the <code>width</code> property of <var>action</var>
-      to 1.
-
+      to <var>width</var>.
+    
+     <li><p>Let <var>height</var> be the result
+      of getting the property <code>height</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>height</var> is not <a>undefined</a>
+      and <var>height</var> is not a <a>Number</a> greater than or
+      equal to 0 return <a>error</a> with <a>error code</a>
+      <a>invalid argument</a>.
+    
      <li><p>Set the <code>height</code> property of <var>action</var>
-      to 1.
-     
-     <li><p>If <var>action</var>'s <code>subtype</code> property is
-      "<code>pointerDown</code>", set the <code>pressure</code> property of
-      <var>action</var> to 0.5. Otherwise, set the <code>pressure</code> property of
-      <var>action</var> to 0.
+      to <var>height</var>.
 
-     <li><p>Set the <code>tangentialPressure</code> property of <var>action</var>
-      to 0.
+     <li><p>Let <var>pressure</var> be the result
+      of getting the property <code>pressure</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>pressure</var> is not <a>undefined</a>
+      and <var>pressure</var> is not a <a>Number</a> greater than or
+      equal to 0 and less than or equal to 1 return <a>error</a> with
+      <a>error code</a> <a>invalid argument</a>.
+    
+     <li><p>Set the <code>pressure</code> property of <var>action</var>
+      to <var>pressure</var>.
+    </ol>
 
+   <dt>"<code>pen</code>"
+   <dd>
+    <ol>
+     <li><p>Let <var>width</var> be the result
+      of getting the property <code>width</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>width</var> is not <a>undefined</a>
+      and <var>width</var> is not a <a>Number</a> greater than or
+      equal to 0 return <a>error</a> with <a>error code</a>
+      <a>invalid argument</a>.
+    
+     <li><p>Set the <code>width</code> property of <var>action</var>
+      to <var>width</var>.
+    
+     <li><p>Let <var>height</var> be the result
+      of getting the property <code>height</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>height</var> is not <a>undefined</a>
+      and <var>height</var> is not a <a>Number</a> greater than or
+      equal to 0 return <a>error</a> with <a>error code</a>
+      <a>invalid argument</a>.
+    
+     <li><p>Set the <code>height</code> property of <var>action</var>
+      to <var>height</var>.
+    
+     <li><p>Let <var>pressure</var> be the result
+      of getting the property <code>pressure</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>pressure</var> is not <a>undefined</a>
+      and <var>pressure</var> is not a <a>Number</a> greater than or
+      equal to 0 and less than or equal to 1 return <a>error</a> with
+      <a>error code</a> <a>invalid argument</a>.
+    
+     <li><p>Set the <code>pressure</code> property of <var>action</var>
+      to <var>pressure</var>.
+    
+     <li><p>Let <var>tangentialPressure</var> be the result
+      of getting the property <code>tangentialPressure</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>tangentialPressure</var> is not <a>undefined</a>
+      and <var>tangentialPressure</var> is not a <a>Number</a> greater
+      than or equal to -1 and less than or equal to 1 return <a>error</a>
+      with <a>error code</a> <a>invalid argument</a>.
+    
+     <li><p>Set the <code>tangentialPressure</code> property of <var>action</var>
+      to <var>tangentialPressure</var>.
+    
+     <li><p>Let <var>tiltX</var> be the result
+      of getting the property <code>tiltX</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>tiltX</var> is not <a>undefined</a>
+      and <var>tiltX</var> is not an <a>Integer</a> greater than or
+      equal to -90 and less than or equal to 90 return <a>error</a> with
+      <a>error code</a> <a>invalid argument</a>.
+    
      <li><p>Set the <code>tiltX</code> property of <var>action</var>
-      to 0.
-
+      to <var>tiltX</var>.
+    
+     <li><p>Let <var>tiltY</var> be the result
+      of getting the property <code>tiltY</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>tiltY</var> is not <a>undefined</a>
+      and <var>tiltY</var> is not an <a>Integer</a> greater than or
+      equal to -90 and less than or equal to 90 return <a>error</a> with
+      <a>error code</a> <a>invalid argument</a>.
+    
      <li><p>Set the <code>tiltY</code> property of <var>action</var>
-      to 0.
-
+      to <var>tiltY</var>.
+    
+     <li><p>Let <var>twist</var> be the result
+      of getting the property <code>twist</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>twist</var> is not <a>undefined</a>
+      and <var>twist</var> is not an <a>Integer</a> greater than or
+      equal to 0 and less than or equal to 359 return <a>error</a> with
+      <a>error code</a> <a>invalid argument</a>.
+    
      <li><p>Set the <code>twist</code> property of <var>action</var>
-      to 0.
-
+      to <var>twist</var>.
+    
+     <li><p>Let <var>altitudeAngle</var> be the result
+      of getting the property <code>altitudeAngle</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>altitudeAngle</var> is not <a>undefined</a>
+      and <var>altitudeAngle</var> is not a <a>Number</a> greater than
+      or equal to 0 and less than or equal to π/2 return <a>error</a> with
+      <a>error code</a> <a>invalid argument</a>.
+    
      <li><p>Set the <code>altitudeAngle</code> property of <var>action</var>
-      to π/2.
-
+      to <var>altitudeAngle</var>.
+    
+     <li><p>Let <var>azimuthAngle</var> be the result
+      of getting the property <code>azimuthAngle</code>
+      from <var>action item</var>.
+    
+     <li><p>If <var>azimuthAngle</var> is not <a>undefined</a>
+      and <var>azimuthAngle</var> is not a <a>Number</a> greater than
+      or equal to 0 and less than or equal to 2π return <a>error</a> with
+      <a>error code</a> <a>invalid argument</a>.
+    
      <li><p>Set the <code>azimuthAngle</code> property of <var>action</var>
-      to 0.
+      to <var>azimuthAngle</var>.
     </ol>
-
-    <dt>"<code>touch</code>"
-    <dd>
-     <ol>
-      <li><p>Set the <code>button</code> property of <var>action</var>
-       to 0.
- 
-      <li><p>Let <var>width</var> be the result
-       of getting the property <code>width</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>width</var> is not <a>undefined</a>
-       and <var>width</var> is not a <a>Number</a> greater than or
-       equal to 0 return <a>error</a> with <a>error code</a>
-       <a>invalid argument</a>.
-     
-      <li><p>Set the <code>width</code> property of <var>action</var>
-       to <var>width</var>.
-     
-      <li><p>Let <var>height</var> be the result
-       of getting the property <code>height</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>height</var> is not <a>undefined</a>
-       and <var>height</var> is not a <a>Number</a> greater than or
-       equal to 0 return <a>error</a> with <a>error code</a>
-       <a>invalid argument</a>.
-     
-      <li><p>Set the <code>height</code> property of <var>action</var>
-       to <var>height</var>.
- 
-      <li><p>Let <var>pressure</var> be the result
-       of getting the property <code>pressure</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>pressure</var> is not <a>undefined</a>
-       and <var>pressure</var> is not a <a>Number</a> greater than or
-       equal to 0 and less than or equal to 1 return <a>error</a> with
-       <a>error code</a> <a>invalid argument</a>.
-     
-      <li><p>Set the <code>pressure</code> property of <var>action</var>
-       to <var>pressure</var>.
- 
-      <li><p>Set the <code>tangentialPressure</code> property of <var>action</var>
-       to 0.
- 
-      <li><p>Set the <code>tiltX</code> property of <var>action</var>
-       to 90.
- 
-      <li><p>Set the <code>tiltY</code> property of <var>action</var>
-       to 0.
- 
-      <li><p>Set the <code>twist</code> property of <var>action</var>
-       to 0.
- 
-      <li><p>Set the <code>altitudeAngle</code> property of <var>action</var>
-       to 0.
- 
-      <li><p>Set the <code>azimuthAngle</code> property of <var>action</var>
-       to 0.
-     </ol>
-
-    <dt>"<code>pen</code>"
-    <dd>
-     <ol>
-      <li><p>Let <var>button</var> be the result
-       of getting the property <code>button</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>button</var> is not an <a>Integer</a> greater than or
-       equal to 0 return <a>error</a> with <a>error code</a>
-       <a>invalid argument</a>.
-     
-      <li><p>Set the <code>button</code> property of <var>action</var>
-       to <var>button</var>.
-      
-      <li><p>Let <var>width</var> be the result
-       of getting the property <code>width</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>width</var> is not <a>undefined</a>
-       and <var>width</var> is not a <a>Number</a> greater than or
-       equal to 0 return <a>error</a> with <a>error code</a>
-       <a>invalid argument</a>.
-     
-      <li><p>Set the <code>width</code> property of <var>action</var>
-       to <var>width</var>.
-     
-      <li><p>Let <var>height</var> be the result
-       of getting the property <code>height</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>height</var> is not <a>undefined</a>
-       and <var>height</var> is not a <a>Number</a> greater than or
-       equal to 0 return <a>error</a> with <a>error code</a>
-       <a>invalid argument</a>.
-     
-      <li><p>Set the <code>height</code> property of <var>action</var>
-       to <var>height</var>.
-     
-      <li><p>Let <var>pressure</var> be the result
-       of getting the property <code>pressure</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>pressure</var> is not <a>undefined</a>
-       and <var>pressure</var> is not a <a>Number</a> greater than or
-       equal to 0 and less than or equal to 1 return <a>error</a> with
-       <a>error code</a> <a>invalid argument</a>.
-     
-      <li><p>Set the <code>pressure</code> property of <var>action</var>
-       to <var>pressure</var>.
-     
-      <li><p>Let <var>tangentialPressure</var> be the result
-       of getting the property <code>tangentialPressure</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>tangentialPressure</var> is not <a>undefined</a>
-       and <var>tangentialPressure</var> is not a <a>Number</a> greater
-       than or equal to -1 and less than or equal to 1 return <a>error</a>
-       with <a>error code</a> <a>invalid argument</a>.
-     
-      <li><p>Set the <code>tangentialPressure</code> property of <var>action</var>
-       to <var>tangentialPressure</var>.
-     
-      <li><p>Let <var>tiltX</var> be the result
-       of getting the property <code>tiltX</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>tiltX</var> is not <a>undefined</a>
-       and <var>tiltX</var> is not an <a>Integer</a> greater than or
-       equal to -90 and less than or equal to 90 return <a>error</a> with
-       <a>error code</a> <a>invalid argument</a>.
-     
-      <li><p>Set the <code>tiltX</code> property of <var>action</var>
-       to <var>tiltX</var>.
-     
-      <li><p>Let <var>tiltY</var> be the result
-       of getting the property <code>tiltY</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>tiltY</var> is not <a>undefined</a>
-       and <var>tiltY</var> is not an <a>Integer</a> greater than or
-       equal to -90 and less than or equal to 90 return <a>error</a> with
-       <a>error code</a> <a>invalid argument</a>.
-     
-      <li><p>Set the <code>tiltY</code> property of <var>action</var>
-       to <var>tiltY</var>.
-     
-      <li><p>Let <var>twist</var> be the result
-       of getting the property <code>twist</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>twist</var> is not <a>undefined</a>
-       and <var>twist</var> is not an <a>Integer</a> greater than or
-       equal to 0 and less than or equal to 359 return <a>error</a> with
-       <a>error code</a> <a>invalid argument</a>.
-     
-      <li><p>Set the <code>twist</code> property of <var>action</var>
-       to <var>twist</var>.
-     
-      <li><p>Let <var>altitudeAngle</var> be the result
-       of getting the property <code>altitudeAngle</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>altitudeAngle</var> is not <a>undefined</a>
-       and <var>altitudeAngle</var> is not a <a>Number</a> greater than
-       or equal to 0 and less than or equal to π/2 return <a>error</a> with
-       <a>error code</a> <a>invalid argument</a>.
-     
-      <li><p>Set the <code>altitudeAngle</code> property of <var>action</var>
-       to <var>altitudeAngle</var>.
-     
-      <li><p>Let <var>azimuthAngle</var> be the result
-       of getting the property <code>azimuthAngle</code>
-       from <var>action item</var>.
-     
-      <li><p>If <var>azimuthAngle</var> is not <a>undefined</a>
-       and <var>azimuthAngle</var> is not a <a>Number</a> greater than
-       or equal to 0 and less than or equal to 2π return <a>error</a> with
-       <a>error code</a> <a>invalid argument</a>.
-     
-      <li><p>Set the <code>azimuthAngle</code> property of <var>action</var>
-       to <var>azimuthAngle</var>.
-     </ol>
   </dl>
 
  <li><p>Return success with data <a><code>null</code></a>.