[imsc] further edits re LC-2974, LC-2981 and LC-2975 per TTWG call
authorpal@sandflow.org
Thu, 06 Nov 2014 08:10:54 -0800
changeset 756 dc202b8b3ee8
parent 755 b8cef670409c
child 757 5ee90ec0d897
child 758 0ddffaf8004c
[imsc] further edits re LC-2974, LC-2981 and LC-2975 per TTWG call
ttml-ww-profiles/ttml-ww-profiles.html
ttml-ww-profiles/ttml-ww-profiles.source.html
--- a/ttml-ww-profiles/ttml-ww-profiles.html	Wed Nov 05 16:33:57 2014 -0800
+++ b/ttml-ww-profiles/ttml-ww-profiles.html	Thu Nov 06 08:10:54 2014 -0800
@@ -223,7 +223,7 @@
   </p>
   <h1 class="title p-name" id="title" property="dcterms:title">TTML Text and Image Profiles for Internet Media Subtitles and Captions 1.0</h1>
   
-  <h2 property="dcterms:issued" datatype="xsd:dateTime" content="2014-11-06T00:21:50.000Z" id="w3c-editor-s-draft-05-november-2014"><abbr title="World Wide Web Consortium">W3C</abbr> Editor's Draft <time class="dt-published" datetime="2014-11-05">05 November 2014</time></h2>
+  <h2 property="dcterms:issued" datatype="xsd:dateTime" content="2014-11-06T16:10:14.000Z" id="w3c-editor-s-draft-06-november-2014"><abbr title="World Wide Web Consortium">W3C</abbr> Editor's Draft <time class="dt-published" datetime="2014-11-06">06 November 2014</time></h2>
   <dl>
     
       <dt>This version:</dt>
@@ -488,7 +488,7 @@
       <h3 role="heading" id="h3_foreign-element-and-attributes"><span class="secno">6.2 </span>Foreign Element and Attributes</h3>
 
       <p>A <a href="#dfn-document-instance" class="internalDFN">Document Instance</a> <em class="rfc2119" title="MAY">MAY</em> contain elements and attributes that are neither specifically permitted nor forbidden by a
-      profile..</p>
+      profile.</p>
     </section>
 
     <section id="namespaces">
@@ -691,8 +691,7 @@
       <section id="ttp-aspectRatio" typeof="bibo:Chapter" resource="#ttp-aspectRatio" rel="bibo:Chapter">
         <h4 role="heading" id="h4_ttp-aspectRatio"><span class="secno">6.7.1 </span>ittp:aspectRatio</h4>
 
-        <p>The <code>ittp:aspectRatio</code> attributes allows authorial control of the mapping of the root container of a subtitle
-        document to the related video object frame.</p>
+        <p>The <code>ittp:aspectRatio</code> attributes allows authorial control of the mapping of the root container of a <a href="#dfn-document-instance" class="internalDFN">Document Instance</a> to the related video object frame.</p>
 
         <p>If present, the <code>ittp:aspectRatio</code> attribute <em class="rfc2119" title="SHALL">SHALL</em> conform to the following syntax:</p>
 
@@ -812,8 +811,7 @@
         <a href="#dfn-progressively-decodable-document-instance" class="internalDFN">progressively decodable Document Instance</a>.</p>
 
         <p>A <a href="#dfn-document-instance" class="internalDFN">Document Instance</a> for which the computed value of <code>ittp:progressivelyDecodable</code> is "false" is neither
-        asserted to be a <a href="#dfn-progressively-decodable-document-instance" class="internalDFN">progressively decodable Document Instance</a> nor asserted not to be a progressively decodable subtitle
-        document.</p>
+        asserted to be a <a href="#dfn-progressively-decodable-document-instance" class="internalDFN">progressively decodable Document Instance</a> nor asserted not to be a progressively decodable <a href="#dfn-document-instance" class="internalDFN">Document Instance</a>.</p>
 				
 				<div class="example"><div class="example-title"><span>Example 3</span></div><pre class="example">&lt;tt
   xmlns="http://www.w3.org/ns/ttml"
@@ -1379,7 +1377,7 @@
           <tr>
             <td><code>#timing</code></td>
 
-            <td><em class="rfc2119" title="MAY">MAY</em> be used. A <a href="#dfn-document-instance" class="internalDFN">Document Instance</a> <em class="rfc2119" title="SHOULD">SHOULD</em> use either the <code>offset-time</code> or <code>offset-time</code> syntax for all time expressions used therein.</td>
+            <td><em class="rfc2119" title="MAY">MAY</em> be used. All time expressions within a <a href="#dfn-document-instance" class="internalDFN">Document Instance</a> <em class="rfc2119" title="SHOULD">SHOULD</em> use the same syntax, either <code>clock-time</code> or <code>offset-time</code>.</td>
           </tr>
 
           <tr>
@@ -1530,11 +1528,10 @@
 		
     <section id="reference-fonts-1">
       <h3 role="heading" id="h3_reference-fonts-1"><span class="secno">7.3 </span>Reference Fonts</h3>
-
 				
-		  <p>The flow of text within a region depends the dimensions and spacing (kerning) between individual glyphs. The following allows the region extent to be set such that text flows without clipping.</p>
-
-      <p>A <a href="#dfn-document-instance" class="internalDFN">Document Instance</a> <em class="rfc2119" title="SHALL">SHALL</em> be authored such that glyphs that match the combinations of computed font family and code point listed in <a href="#reference-fonts" class="sec-ref"><span class="secno">A.</span> <span class="sec-title">Reference Fonts</span></a> are laid out using metrics equal to the metrics of the specified reference font, unless the glyph is not defined by the reference font.</p>
+		  <p>The flow of text within a region depends the dimensions and spacing (kerning) between individual glyphs. The following allows, for instance, region extents to be set such that text flows without clipping.</p>
+
+      <p>When processing glyphs that match the combinations of computed font family and code point listed in <a href="#reference-fonts" class="sec-ref"><span class="secno">A.</span> <span class="sec-title">Reference Fonts</span></a>, e.g. during layout, a <a href="#dfn-presentation-processor" class="internalDFN">presentation processor</a> or <a href="#dfn-transformation-processor" class="internalDFN">transformation processor</a> <em class="rfc2119" title="SHALL">SHALL</em> use glyph metrics equal to the metrics of the specified reference font, unless the glyph is not defined by the reference font.</p>
 			
 			<div class="note"><div class="note-title" aria-level="2" role="heading" id="h_note_14"><span>Note</span></div><p class="">Implementations can use use fonts other than those specified in <a href="#reference-fonts" class="sec-ref"><span class="secno">A.</span> <span class="sec-title">Reference Fonts</span></a>. Two fonts with equal metrics can have a different appearance, but flow identically.</p></div>
 			
--- a/ttml-ww-profiles/ttml-ww-profiles.source.html	Wed Nov 05 16:33:57 2014 -0800
+++ b/ttml-ww-profiles/ttml-ww-profiles.source.html	Thu Nov 06 08:10:54 2014 -0800
@@ -192,7 +192,7 @@
       <h3>Foreign Element and Attributes</h3>
 
       <p>A <a>Document Instance</a> MAY contain elements and attributes that are neither specifically permitted nor forbidden by a
-      profile.</a>.</p>
+      profile.</p>
     </section>
 
     <section>
@@ -395,8 +395,7 @@
       <section id='ttp-aspectRatio'>
         <h4>ittp:aspectRatio</h4>
 
-        <p>The <code>ittp:aspectRatio</code> attributes allows authorial control of the mapping of the root container of a subtitle
-        document to the related video object frame.</p>
+        <p>The <code>ittp:aspectRatio</code> attributes allows authorial control of the mapping of the root container of a <a>Document Instance</a> to the related video object frame.</p>
 
         <p>If present, the <code>ittp:aspectRatio</code> attribute SHALL conform to the following syntax:</p>
 
@@ -520,8 +519,7 @@
         <a>progressively decodable Document Instance</a>.</p>
 
         <p>A <a>Document Instance</a> for which the computed value of <code>ittp:progressivelyDecodable</code> is "false" is neither
-        asserted to be a <a>progressively decodable Document Instance</a> nor asserted not to be a progressively decodable subtitle
-        document.</p>
+        asserted to be a <a>progressively decodable Document Instance</a> nor asserted not to be a progressively decodable <a>Document Instance</a>.</p>
 				
 				<pre class='example'>
 &lt;tt
@@ -1096,7 +1094,7 @@
           <tr>
             <td><code>#timing</code></td>
 
-            <td>MAY be used. A <a>Document Instance</a> SHOULD use either the <code>offset-time</code> or <code>offset-time</code> syntax for all time expressions used therein.</td>
+            <td>MAY be used. All time expressions within a <a>Document Instance</a> SHOULD use the same syntax, either <code>clock-time</code> or <code>offset-time</code>.</td>
           </tr>
 
           <tr>
@@ -1248,11 +1246,10 @@
 		
     <section>
       <h3>Reference Fonts</h3>
-
 				
-		  <p>The flow of text within a region depends the dimensions and spacing (kerning) between individual glyphs. The following allows the region extent to be set such that text flows without clipping.</p>
-
-      <p>A <a>Document Instance</a> SHALL be authored such that glyphs that match the combinations of computed font family and code point listed in <a href="#reference-fonts"></a> are laid out using metrics equal to the metrics of the specified reference font, unless the glyph is not defined by the reference font.</p>
+		  <p>The flow of text within a region depends the dimensions and spacing (kerning) between individual glyphs. The following allows, for instance, region extents to be set such that text flows without clipping.</p>
+
+      <p>When processing glyphs that match the combinations of computed font family and code point listed in <a href="#reference-fonts"></a>, e.g. during layout, a <a>presentation processor</a> or <a>transformation processor</a> SHALL use glyph metrics equal to the metrics of the specified reference font, unless the glyph is not defined by the reference font.</p>
 			
 			<p class="note">Implementations can use use fonts other than those specified in <a href="#reference-fonts"></a>. Two fonts with equal metrics can have a different appearance, but flow identically.</p>