change id of appendix A

Author: fantasai

css3-values/Overview.html

@@ -298,8 +298,8 @@ <h2 class="no-num no-toc" id=contents>Table of contents</h2>
       References: ‘<code class=css>attr()</code>’</a>
     </ul>
 
-   <li><a href="#required-ranges"><span class=secno>9. </span> Appendix A:
-    Recommended Minimum Ranges and Precision of Computed Values</a>
+   <li><a href="#limits"><span class=secno>9. </span> Appendix A: Recommended
+    Minimum Ranges and Precision of Computed Values</a>
 
    <li class=no-num><a href="#acknowledgments">Acknowledgments</a>
 
@@ -1891,8 +1891,8 @@ <h3 id=attr-notation><span class=secno>8.3. </span> Attribute References:
    versions of CSS may extend ‘<a href="#attr"><code
    class=css>attr()</code></a>’ in this direction.
 
-  <h2 id=required-ranges><span class=secno>9. </span> Appendix A: Recommended
-   Minimum Ranges and Precision of Computed Values</h2>
+  <h2 id=limits><span class=secno>9. </span> Appendix A: Recommended Minimum
+   Ranges and Precision of Computed Values</h2>
 
   <p> For unrestricted values, the recommended minimum range and precision of
    computed values is given in the table below.

css3-values/Overview.src.html

@@ -1411,7 +1411,7 @@ <h3 id="attr-notation">
 	another attribute. Future versions of CSS may extend ''attr()'' in this
 	direction.</p>
 
-<h2 id="required-ranges">
+<h2 id="limits">
 Appendix A: Recommended Minimum Ranges and Precision of Computed Values</h2>
 
 	<p>