Cite requirements from the Encoding standard

source

@@ -14719,8 +14719,12 @@ people expect to have work and what is necessary.
   <p>A <dfn>character encoding declaration</dfn> is a mechanism by which the <span
   data-x="encoding">character encoding</span> used to store or transmit a document is specified.</p>
 
-  <p>The following restrictions apply to <span data-x="character encoding declaration">character
-  encoding declarations</span>:</p>
+  <p>The Encoding standard requires use of the <span>UTF-8</span> <span data-x="encoding">character
+  encoding</span> and requires use of the "<code data-x="">utf-8</code>" <span>encoding label</span>
+  to identify it. <ref spec=ENCODING></p>
+
+  <p>Those requirements in the Encoding standard necessitate that the following restrictions apply
+  to <span data-x="character encoding declaration">character encoding declarations</span>:</p>
 
   <ul>
 
@@ -14731,6 +14735,12 @@ people expect to have work and what is necessary.
    actual <span data-x="document's character encoding">character encoding</span> used to store or
    transmit the document.</li>
 
+  </ul>
+
+  <p>The following restrictions also apply:</p>
+
+  <ul>
+
    <li>The character encoding declaration must be serialized without the use of <span
    data-x="syntax-charref">character references</span> or character escapes of any kind.</li>