checkpoint on updating the rules and guidelines

Added a `#weverything` div tag to the FAQ.

Expanded and improved(?) a number of rules and guidelines.
In particular, the consequences of the new mkiocccentry
repo have been put into the rules and guidelines.

This is a checkpoint from which we can review,
edit and improve.

faq.html

@@ -481,9 +481,11 @@ other inconsistencies with the original entry?</a></li>
 </div>
 <div id="faq0_0">
 <div id="submit">
+<div id="register">
 <h3 id="faq-0.0-how-may-i-enter-the-ioccc">FAQ 0.0: How may I enter the IOCCC?</h3>
 </div>
 </div>
+</div>
 <p>To submit your code to the IOCCC, you <strong>MUST</strong> follow these steps:</p>
 <h4 id="verify-that-the-ioccc-is-open-for-submissions">0. Verify that the IOCCC is open for submissions</h4>
 <p>Check the <a href="status.html">current status of the IOCCC</a> see of the IOCCC is open.</p>
@@ -1542,8 +1544,10 @@ include this here, at least for now.</p>
 <p>Usually the index.html file will explain how to use it under Linux so we do not
 include this here, at least for now.</p>
 <div id="faq3_11">
+<div id="weverything">
 <h3 id="faq-3.11-why-do-makefiles-use--weverything-with-clang">FAQ 3.11: Why do Makefiles use -Weverything with clang?</h3>
 </div>
+</div>
 <p>While we know that use of <code>-Weverything</code> is generally not recommended
 by <code>clang</code> C compiler developers, we do use the <code>-Weverything</code>
 option in a certain case in IOCCC entry <code>Makefile</code>s.</p>