Index: source
===================================================================
--- source	(revision 1675)
+++ source	(revision 1676)
@@ -31280,6 +31280,11 @@
      <td>42 4D
      <td>image/bmp
      <td>The string "<code title="">BM</code>", a BMP signature.
+    <tr>
+     <td>FF FF FF FF
+     <td>00 00 01 00
+     <td>image/vnd.microsoft.icon
+     <td>A 0 word following by a 1 word, a Windows Icon file format signature.
   </table>
 
   <p>User agents may support further types if desired, by implicitly
@@ -31327,6 +31332,11 @@
      <td>42 4D
      <td>image/bmp
      <td>The string "<code title="">BM</code>", a BMP signature.
+    <tr>
+     <td>00 00 01 00
+     <td>image/vnd.microsoft.icon
+     <td>A 0 word following by a 1 word, a Windows Icon file format signature.
+    <!-- XXX Mozilla also detects ART (AOL proprietary format) and Windows Cursor files -->
   </table>
 
   <p>User agents must ignore any rows for image types that they do not