Editorial: Alphabetize elements in Attributes table

Author: gibson042

source

@@ -125445,8 +125445,8 @@ interface <dfn interface>External</dfn> {
      <td> <span data-x="concept-id">ID</span>*
     <tr>
      <th> <code data-x="">loading</code>
-     <td> <code data-x="attr-img-loading">img</code>;
-          <code data-x="attr-iframe-loading">iframe</code>
+     <td> <code data-x="attr-iframe-loading">iframe</code>;
+          <code data-x="attr-img-loading">img</code>
      <td> Used when determining loading deferral
      <td> "<code data-x="attr-loading-lazy">lazy</code>";
           "<code data-x="attr-loading-eager">eager</code>"