add link to fantasai/dbaron's alternate font-variant-position proposal

Author: John Daggett

css3-fonts/Fonts.html

@@ -111,14 +111,14 @@
 
    <h1>CSS Fonts Module Level 3</h1>
 
-   <h2 class="no-num no-toc" id=editors>Editor's Draft 26 September 2011</h2>
+   <h2 class="no-num no-toc" id=editors>Editor's Draft 28 September 2011</h2>
 
    <dl id=authors>
     <dt>This version:
 
     <dd><a
      href="http://dev.w3.org/csswg/css3-fonts/">http://dev.w3.org/csswg/css3-fonts/</a>
-     <!-- <dd><a href="http://www.w3.org/TR/2011/ED-css3-fonts-20110926">http://www.w3.org/TR/2011/ED-css3-fonts-20110926</a> -->
+     <!-- <dd><a href="http://www.w3.org/TR/2011/ED-css3-fonts-20110928">http://www.w3.org/TR/2011/ED-css3-fonts-20110928</a> -->
 
 
     <dt>Latest version:
@@ -3306,7 +3306,10 @@ <h3 id=font-variant-position-prop><span class=secno>6.4 </span>Subscript,
    work with nested subscripts or superscripts which would allow it to be
    used in user agent stylesheets. But one of the goals for this is to allow
    simple subscripts and superscripts to be displayed without affecting the
-   line box. To achieve both appears to be a very hairy problem.
+   line box. To achieve both appears to be a very hairy problem. One <a
+   href="http://lists.w3.org/Archives/Public/www-style/2011Apr/0391.html">proposal</a>
+   is to conditionalize how the font-size and vertical-align properties are
+   used based on whether subscript or superscript glyphs are available.
 
   <p class=issue>Fonts often include default values for subscript/superscript
    metrics. As a result, a mixture of designed glyphs and simulated glyphs