Clarify "control-character-reference" parse error

Closes #5058.

Author: domenic

source

@@ -100832,9 +100832,9 @@ dictionary <dfn>StorageEventInit</dfn> : <span>EventInit</span> {
      <td><p>This error occurs if the parser encounters a numeric <span
      data-x="syntax-charref">character reference</span> that references a <span
      data-x="control">control</span> <span>code point</span> that is not <span>ASCII
-     whitespace</span>, a U+000D CARRIAGE RETURN, or U+0000 NULL. The parser resolves such character
-     references as-is except C1 control references that are replaced according to the <span>numeric
-     character reference end state</span>.</p>
+     whitespace</span> or is a U+000D CARRIAGE RETURN. The parser resolves such character references
+     as-is except C1 control references that are replaced according to the <span>numeric character
+     reference end state</span>.</p>
 
     <tr>
      <td><dfn data-x="parse-error-end-tag-with-attributes">end-tag-with-attributes</dfn>
@@ -121714,6 +121714,7 @@ INSERT INTERFACES HERE
   Smylers,
   Srirama Chandra Sekhar Mogali,
   Stanton McCandlish,
+  stasoid, <!-- GitHub -->
   Stefan H&aring;kansson,
   Stefan Haustein,
   Stefan Santesson,