[css-shapes] add radii caveats to inset rect

Author: astearns

css-shapes/Overview.html

@@ -12,7 +12,7 @@
    rel=dcterms.rights>
   <meta content="CSS Shapes Module Level 1" name=dcterms.title>
   <meta content=text name=dcterms.type>
-  <meta content=2013-06-05 name=dcterms.date>
+  <meta content=2013-06-06 name=dcterms.date>
   <meta content="Vincent Hardy" name=dcterms.creator>
   <meta content="Rossen Atanassov" name=dcterms.creator>
   <meta content="Alan Stearns" name=dcterms.creator>
@@ -55,14 +55,14 @@
 
    <h1 id=css-shapes-module>CSS Shapes Module Level 1</h1>
 
-   <h2 class="no-num no-toc" id=longstatus-date>Editor's Draft 5 June 2013</h2>
+   <h2 class="no-num no-toc" id=longstatus-date>Editor's Draft 6 June 2013</h2>
 
    <dl>
     <dt>This version:
 
     <dd><a
      href="http://dev.w3.org/csswg/css-shapes/">http://dev.w3.org/csswg/css-shapes/</a></dd>
-    <!--<dd><a href="http://dev.w3.org/csswg/css-shapes/">http://www.w3.org/TR/2013/WD-css-shapes-20130605/</a></dd>-->
+    <!--<dd><a href="http://dev.w3.org/csswg/css-shapes/">http://www.w3.org/TR/2013/WD-css-shapes-20130606/</a></dd>-->
 
     <dt>Latest version:
 
@@ -401,7 +401,14 @@ <h4 id=supported-basic-shapes><span class=secno>3.2.1. </span>Supported
       <strong> rx</strong> and <strong>ry</strong>. For rounded inset
       rectangles they define the x-axis radius and y-axis radius of the
       ellipse used to round off the corners of the inset rectangle. Negative
-      values for rx and ry are invalid.
+      values for rx and ry are invalid. Implicit values may apply if one or
+      the other of these values are unspecified or invalid, and clamping may
+      occur if a specified value would result in a negative straight
+      rectangle segment. The corner radii rules in <a
+      href="http://www.w3.org/TR/SVG/shapes.html#RectElement">the ‘<code
+      class=property>rect</code>’ element</a> in the SVG recommendation
+      define these edge cases <a href="#SVG11"
+      rel=biblioentry>[SVG11]<!--{{!SVG11}}--></a>.
     </ul>
 
    <dt><dfn id=circle>circle</dfn>([&lt;length&gt;|&lt;percentage&gt;]{3})

css-shapes/Overview.src.html

@@ -285,6 +285,12 @@ <h4 id="supported-basic-shapes">Supported Shapes</h4>
                       of the ellipse used to round off 
                       the corners of the inset rectangle. 
                       Negative values for rx and ry are invalid.
+                      Implicit values may apply if one or the other 
+                      of these values are unspecified or invalid, 
+                      and clamping may occur if a specified value 
+                      would result in a negative straight rectangle segment. 
+                      The corner radii rules in <a href="http://www.w3.org/TR/SVG/shapes.html#RectElement">the 'rect' element</a> 
+                      in the SVG recommendation define these edge cases [[!SVG11]].
                   </li>
               </ul>
           </dd>