[e] (0) notes on fetching

git-svn-id: http://svn.whatwg.org/webapps@1852 340c8d12-0b0e-0410-8428-c7bf67bfef74
whatwg · Jul 8, 2008 · 69465bd · 69465bd
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diff --git a/index b/index
@@ -5670,7 +5670,12 @@ http://software.hixie.ch/utilities/js/live-dom-viewer/?%3C%21DOCTYPE%20html%3E..
    the URL, etc; "once fetched, a resource might have to have its type
    determined", pointing to the next section but also explicitly saying that
    it's up to the part of the spec doing the fetching to determine how the
-   type is established
+   type is established</p>
+  <!-- XXX make sure to say that fetching can delay the actual load,
+  so long as it resolves the URL first. This is important because some
+  UAs want to prioritise downloads of certain resources over others
+  (e.g. not loading video poster frames until the video is on the
+  screen) -->
 
   <h3 id=content-type-sniffing><span class=secno>2.7 </span>Determining the
    type of a resource</h3>

diff --git a/source b/source
@@ -3989,6 +3989,12 @@ http://software.hixie.ch/utilities/js/live-dom-viewer/?%3C%21DOCTYPE%20html%3E..
   the spec doing the fetching to determine how the type is
   established</p>
 
+  <!-- XXX make sure to say that fetching can delay the actual load,
+  so long as it resolves the URL first. This is important because some
+  UAs want to prioritise downloads of certain resources over others
+  (e.g. not loading video poster frames until the video is on the
+  screen) -->
+
 
 
   <h3 id="content-type-sniffing">Determining the type of a resource</h3>