checkpoint fixed code block language comments

next/rules.html

@@ -590,7 +590,7 @@ original form, including the removal of any created files and directories.</p>
 <h2 id="rule-6---free">Rule 6 - Free</h2>
 </div>
 <p>I am <strong>NOT</strong> a Rule, I am a <code>free(void *human);</code> ‼️</p>
-<pre class="&lt;!--c-&gt;"><code>    while (!(ioccc(rule(you(are(number(6)))))) {
+<pre><code>    while (!(ioccc(rule(you(are(number(6)))))) {
         ha(); ha(); ha();
     }</code></pre>
 <p>See <a href="rules.html#rule-19---prime">Rule 19 - Prime</a>.</p>
@@ -718,7 +718,7 @@ i.e., do <strong>NOT</strong> expect <code>git clean -f</code> to work.</p>
 <p>The <code>Makefile</code> <strong>MUST</strong> use a syntax that is compatible with
 <code>bash(1)</code> and GNU <code>make(1)</code>. You are encouraged to use <code>SHELL= bash</code> in your <code>Makefile</code>; please add a space between the <code>=</code> and
 the value such as:</p>
-<pre class="&lt;!--sh-&gt;"><code>    SHELL= bash</code></pre>
+<pre><code>    SHELL= bash</code></pre>
 <p>Assume that commands commonly found in <a href="https://en.wikipedia.org/wiki/Single_UNIX_Specification">Single UNIX
 Specification</a>
 environments and systems are available in the search