Update more subtype

Signed-off-by: Euclid Ye <[email protected]>

Author: yezhizhen

index.html

@@ -8425,8 +8425,8 @@ <h3>Processing actions</h3>
   <ol>
    <li><p>Let <var>source actions</var> be the result of <a>trying</a>
     to <a>process an input source action sequence</a> given <var>input
-    state</var>, <var>action sequence</var>, and <var>actions
-    options</var>.
+    state</var>, <var>action sequence</var>, <var>actions
+    options</var> and optional <var>subtype</var>.
 
    <li><p>For each <var>action</var> in <var>source actions</var>:
 
@@ -8450,8 +8450,8 @@ <h3>Processing actions</h3>
 
 <p>When required to <dfn>process an input source action
  sequence</dfn>, given <var>input state</var>, <var>action
- sequence</var>, and <var>actions options</var>, a <a>remote end</a>
- must:
+ sequence</var>, and <var>actions options</var>, and optional <var>subtype</var>, 
+ a <a>remote end</a> must:
 
 <ol class="algorithm">
  <li><p>Let <var>type</var> be the result of <a>getting a property</a>