Make 'auto' actually use the concrete object size ignoring natural di…

…mensions width

source

@@ -29016,12 +29016,12 @@ was an English &lt;a href="/wiki/Music_hall">music hall&lt;/a> singer, ...</code
   <p>A <span>&lt;source-size-value></span> that is a <span>&lt;length></span> must not be negative,
   and must not use CSS functions other than the <span>math functions</span>.</p>
 
-  <p>The keyword <dfn data-x="valdef-sizes-auto">auto</dfn> means the rendered width of the
-  <code>img</code> element that initiated the image loading (with the <span>update the image
-  data</span> or <span data-x="img-environment-changes">react to environment changes</span>
-  algorithms), if any, in <span data-x="'px'">CSS pixels</span>, if that <code>img</code> element is
-  <span>being rendered</span>, and the element's <span>concrete object size ignoring natural
-  dimensions</span> width is not zero, and the <code>img</code> element's <code
+  <p>The keyword <dfn data-x="valdef-sizes-auto">auto</dfn> means the <span>concrete object size
+  ignoring natural dimensions</span> width of the <code>img</code> element that initiated the image
+  loading (with the <span>update the image data</span> or <span
+  data-x="img-environment-changes">react to environment changes</span> algorithms), if any, in <span
+  data-x="'px'">CSS pixels</span>, if that is not zero, and that <code>img</code> element is
+  <span>being rendered</span>, and the <code>img</code> element's <code
   data-x="attr-img-loading">loading</code> attribute is in the <span
   data-x="attr-loading-lazy-state">Lazy</span> state; otherwise, <code
   data-x="">100vw</code>.</p>