Update definitions for body info

fetch.bs

@@ -2398,7 +2398,8 @@ this is also tracked internally using the request's <a for=request>timing allow
 <p>A <dfn export id=concept-network-error>network error</dfn> is a <a for=/>response</a> whose
 <a for=response>type</a> is "<code>error</code>", <a for=response>status</a> is 0,
 <a for=response>status message</a> is the empty byte sequence,
-<a for=response>header list</a> is « », and <a for=response>body</a> is null.
+<a for=response>header list</a> is « », <a for=response>body</a> is null, and
+<a for=response>body info</a> is a new <a for=/>response body info</a>,.
 
 <p>An <dfn export id=concept-aborted-network-error>aborted network error</dfn> is a
 <a>network error</a> whose <a for=response>aborted flag</a> is set.
@@ -2469,17 +2470,18 @@ of defining the concrete types of <a for=/>filtered responses</a>.)
 <a for=response>URL list</a> is « »,
 <a for=response>status</a> is 0,
 <a for=response>status message</a> is the empty byte sequence,
-<a for=response>header list</a> is « », and
-<a for=response>body</a> is null.
+<a for=response>header list</a> is « », <a for=response>body</a> is null, and
+<a for=response>body info</a> is a new <a for=/>response body info</a>.
 
 <p>An
 <dfn export id=concept-filtered-response-opaque-redirect>opaque-redirect filtered response</dfn>
 is a <a>filtered response</a> whose
 <a for=response>type</a> is "<code>opaqueredirect</code>",
 <a for=response>status</a> is 0,
 <a for=response>status message</a> is the empty byte sequence,
-<a for=response>header list</a> is « », and
-<a for=response>body</a> is null.
+<a for=response>header list</a> is « »,
+<a for=response>body</a> is null, and
+<a for=response>body info</a> is a new <a for=/>response body info</a>.
 
 <div class=note>
  <p>Exposing the <a for=response>URL list</a> for
@@ -4682,9 +4684,6 @@ steps:
 
       <p class=note>This covers the case of <var>response</var> being a <a>network error</a>.
 
-     <li><p>If <var>response</var>is an <a>opaque filtered response</a> or a <a>network error</a>,
-     then set <var>bodyInfo</var> to a new <a for=/>response body info</a>.
-
      <li><p>Let <var>responseStatus</var> be 0 if <var>fetchParams</var>'s
      <a for="fetch params">request</a>'s <a for=request>mode</a> is "<code>navigate</code>" and
      <var>response</var>'s <a for=response>has-cross-origin-redirects</a> is true; otherwise