[e] (0) make some non-normative text into a note

git-svn-id: http://svn.whatwg.org/webapps@507 340c8d12-0b0e-0410-8428-c7bf67bfef74

index

@@ -18370,16 +18370,18 @@ XXX selection ranges -->
      requires some sort of processing that will not affect the browsing
      context, then perform that processing and abort these steps.</p>
 
-    <p>Such processing might be triggered by, amongst other things, the
-     following:</p>
+    <div class=note>
+     <p>Such processing might be triggered by, amongst other things, the
+      following:</p>
 
-    <ul class=brief>
-     <li>HTTP status codes (e.g. 204 No Content or 205 Reset Content)
+     <ul class=brief>
+      <li>HTTP status codes (e.g. 204 No Content or 205 Reset Content)
 
-     <li>HTTP Content-Disposition headers
+      <li>HTTP Content-Disposition headers
 
-     <li>Network errors
-    </ul>
+      <li>Network errors
+     </ul>
+    </div>
 
    <li>
     <p>Let <var title="">type</var> be <a href="#sniffed" title="Content-Type

source

@@ -16370,13 +16370,15 @@ XXX selection ranges -->
    browsing context, then perform that processing and abort these
    steps.</p>
 
-   <p>Such processing might be triggered by, amongst other things, the
-   following:</p>
-   <ul class="brief">
-    <li>HTTP status codes (e.g. 204 No Content or 205 Reset Content)</li>
-    <li>HTTP Content-Disposition headers</li>
-    <li>Network errors</li>
-   </ul>
+   <div class="note">
+    <p>Such processing might be triggered by, amongst other things, the
+    following:</p>
+    <ul class="brief">
+     <li>HTTP status codes (e.g. 204 No Content or 205 Reset Content)</li>
+     <li>HTTP Content-Disposition headers</li>
+     <li>Network errors</li>
+    </ul>
+   </div>
    </li>
 
    <li><p>Let <var title="">type</var> be <span title="Content-Type