Reference issue #117.

index.html

@@ -1059,6 +1059,7 @@ <h4>Audio Recording</h4>
               <p class="issue" data-number="114"></p>
               <p class="issue" data-number="115"></p>
               <p class="issue" data-number="116"></p>
+              <p class="issue" data-number="117"></p>
             </li>
             <li><a>Mixing Instructions</a> MAY be applied as specified in their
               <a href="#mixing-instruction-ttml">TTML representation</a>;</li>
@@ -1154,8 +1155,8 @@ <h3>Mixing Instruction</h3>
 
     <section id="audio-mixing" class="informative">
       <h2>Audio Mixing</h2>
-      <p class="ednote">Describe audio mixing semantic. Move to appendix?</p>
-      <p>Applying the <a>Mixing Instructions</a> can be done using [[webaudio]].
+      <p class="ednote">Keep here or move to appendix?</p>
+      <p>Applying the <a>Mixing Instructions</a> can be implemented using [[webaudio]].
         <a href="#audio-mixing-figure"></a> shows the flow of programme audio,
         and how, when audio-generating elements are active,
         the pan and gain (if set) on the <a>Script Event</a> are applied,
@@ -1183,7 +1184,7 @@ <h2>Audio Mixing</h2>
         <li>if a <a>Text</a> contains
           <code>&lt;span&gt;</code> elements that themselves have <a>Mixing Instructions</a>
           applied, then additional nodes would be needed;</li>
-        <li>the application of animated <a>Mixing Instructions</a> is not
+        <li>the application of <em>animated</em> <a>Mixing Instructions</a> is not
           shown explicitly. [[webaudio]] supports the timed variation of
           input parameters to its nodes: it is possible to translate the
           TTML <code>&lt;animate&gt;</code> semantics directly into