index.html: Indicate that docs may apply to several bugfix releases.

Author: sprintersb

docs/index.html

@@ -44,20 +44,20 @@ <h2>Releases</h2>
 <h2>Documentation</h2>
 <p>This page links the documentation
 for various versions of AVR-LibC.</p>
-<table>
+<table cellpadding="4">
   <tr>
     <td><strong>Most recent</strong></td>
     <td><a href="avr-libc-user-manual/index.html">HTML online</a></td>
   </tr>
   <tr><td colspan=4><hr></td></tr>
   <tr>
-    <td><a href="https://github.com/avrdudes/avr-libc/tree/avr-libc-2_3_0-release">v2.3.0</a></td>
+    <td><a href="https://github.com/avrdudes/avr-libc/tree/avr-libc-2_3_1-release">v2.3.0-1</a></td>
     <td><a href="avr-libc-user-manual-2.3.0/index.html">HTML online</a></td>
     <td><a href="avr-libc-user-manual-2.3.0.tar.bz2">HTML tree</a></td>
     <td><a href="avr-libc-user-manual-2.3.0.pdf">PDF</a></td>
   </tr>
   <tr>
-    <td><a href="https://github.com/avrdudes/avr-libc/tree/avr-libc-2_2_1-release">v2.2.0</a></td>
+    <td><a href="https://github.com/avrdudes/avr-libc/tree/avr-libc-2_2_1-release">v2.2.0-1</a></td>
     <td><a href="avr-libc-user-manual-2.2.0/index.html">HTML online</a></td>
     <td><a href="avr-libc-user-manual-2.2.0.tar.bz2">HTML tree</a></td>
     <td><a href="avr-libc-user-manual-2.2.0.pdf">PDF</a></td>