--- a/ttml-ww-profiles/ttml-ww-profiles.html	Thu Oct 29 09:52:48 2015 +0900
+++ b/ttml-ww-profiles/ttml-ww-profiles.html	Thu Oct 29 10:40:27 2015 +0900
@@ -1636,11 +1636,15 @@
     <section id="reference-fonts-1" typeof="bibo:Chapter" resource="#reference-fonts-1" property="bibo:hasPart">
       <h3 id="h-reference-fonts-1" resource="#h-reference-fonts-1"><span property="xhv:role" resource="xhv:heading"><span class="secno">7.3 </span>Reference Fonts</span></h3>
 				
-		  <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" data-link-type="dfn">presentation processor</a> or <a href="#dfn-transformation-processor" class="internalDFN" data-link-type="dfn">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>
+		  <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 rendering codepoints matching one of the combinations of computed font family and codepoints listed in 
+			<a href="#reference-fonts" class="sec-ref"><span class="secno">A.</span> <span class="sec-title">Reference Fonts</span></a>, a processor <em class="rfc2119" title="SHALL">SHALL</em> use a font that generates a glyph sequence whose dimension is substantially
+			identical to the glyph sequence that would have been generated by one of the specified reference fonts.</p>
 			
-			<div class="note"><div class="note-title" aria-level="4" role="heading" id="h-note14"><span>Note</span></div><p class="">Implementations can 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>
+			<div class="note"><div class="note-title" aria-level="4" role="heading" id="h-note14"><span>Note</span></div><p class="">Implementations can 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>
 			
     </section>
 
@@ -2685,8 +2689,9 @@
             </td>
 
             <td>
-              <a href="http://www.microsoft.com/typography/fonts/family.aspx?FID=10">http://www.microsoft.com/typography/fonts/family.aspx?FID=10</a>
-              (Courier New)
+              <a href="http://www.microsoft.com/typography/fonts/family.aspx?FID=10">Courier New</a>
+              or
+              <a href="https://fedorahosted.org/liberation-fonts/">Liberation Mono</a>
             </td>
           </tr>
 
@@ -2695,13 +2700,11 @@
 
             <td>
               All code points specified in <a href="#recommended-unicode-code-points-per-language" class="sec-ref"><span class="secno">B.</span> <span class="sec-title">Recommended Character Sets</span></a>, excluding the code points
-              defined for Semitic languages alone.
+              defined for Hebrew and Arabic scripts.
             </td>
 
             <td>
-              <a href="http://www.microsoft.com/typography/fonts/family.aspx?FID=8">http://www.microsoft.com/typography/fonts/family.aspx?FID=8</a>
-              (Arial) or <a href="http://www.linotype.com/en/526/Helvetica-family.html">http://www.linotype.com/en/526/Helvetica-family.html</a>
-              (Helvetica)
+              <a href="http://www.microsoft.com/typography/fonts/family.aspx?FID=8">Arial</a> or <a href="http://www.linotype.com/en/526/Helvetica-family.html">Helvetica</a> or <a href="https://fedorahosted.org/liberation-fonts/">Liberation Sans</a>
             </td>
           </tr>
         </tbody>

--- a/ttml-ww-profiles/ttml-ww-profiles.source.html	Thu Oct 29 09:52:48 2015 +0900
+++ b/ttml-ww-profiles/ttml-ww-profiles.source.html	Thu Oct 29 10:40:27 2015 +0900
@@ -1279,11 +1279,15 @@
     <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, 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>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 rendering codepoints matching one of the combinations of computed font family and codepoints listed in 
+			<a href="#reference-fonts"></a>, a processor SHALL use a font that generates a glyph sequence whose dimension is substantially
+			identical to the glyph sequence that would have been generated by one of the specified reference fonts.</p>
 			
-			<p class="note">Implementations can 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>
+			<p class="note">Implementations can 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>
 			
     </section>
 
@@ -2331,8 +2335,9 @@
 
             <td>
               <a href=
-              "http://www.microsoft.com/typography/fonts/family.aspx?FID=10">http://www.microsoft.com/typography/fonts/family.aspx?FID=10</a>
-              (Courier New)
+              "http://www.microsoft.com/typography/fonts/family.aspx?FID=10">Courier New</a>
+              or
+              <a href="https://fedorahosted.org/liberation-fonts/">Liberation Mono</a>
             </td>
           </tr>
 
@@ -2341,15 +2346,14 @@
 
             <td>
               All code points specified in <a href="#recommended-unicode-code-points-per-language"></a>, excluding the code points
-              defined for Semitic languages alone.
+              defined for Hebrew and Arabic scripts.
             </td>
 
             <td>
               <a href=
-              "http://www.microsoft.com/typography/fonts/family.aspx?FID=8">http://www.microsoft.com/typography/fonts/family.aspx?FID=8</a>
-              (Arial) or <a href=
-              "http://www.linotype.com/en/526/Helvetica-family.html">http://www.linotype.com/en/526/Helvetica-family.html</a>
-              (Helvetica)
+              "http://www.microsoft.com/typography/fonts/family.aspx?FID=8">Arial</a> or <a href=
+              "http://www.linotype.com/en/526/Helvetica-family.html">Helvetica</a> or <a href=
+              "https://fedorahosted.org/liberation-fonts/">Liberation Sans</a>
             </td>
           </tr>
         </tbody>