add missing news about the contest status change

next/rules.html

@@ -462,7 +462,7 @@ writing by <a href="../contact.html">contacting the judges</a>.</p>
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-These <a href="rules.html">IOCCC rules</a> are version <strong>28.15 2024-12-28</strong>.
+These <a href="rules.html">IOCCC rules</a> are version <strong>28.16 2024-12-29</strong>.
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 The <a href="rules.md" download="rules.md">markdown form of these rules</a>
@@ -852,8 +852,7 @@ their rule abuse is legal, in the <code>remarks.md</code> file.</p>
 <h2 id="rule-13">Rule 13</h2>
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-Any C source that fails to compile because of unescaped octets with
-the high bit set (octet value &gt;= 128) <strong><em>might</em></strong> be rejected.
+7 out of 13 UTF-8 characters in C code agree that this rule number is lucky enough to be a prime number.
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 <div id="rule14">