made minor tweaks to the rules

next/rules.html

@@ -461,7 +461,7 @@ <h2 id="ioccc-rules-version">IOCCC Rules version</h2>
 </div>
 </div>
 <p class="leftbar">
-These <a href="rules.html">IOCCC rules</a> are version <strong>28.25 2025-02-26</strong>.
+These <a href="rules.html">IOCCC rules</a> are version <strong>28.26 2025-02-28</strong>.
 </p>
 <p class="leftbar">
 The markdown form of these rules <a href="rules.md" download="rules.md">is
@@ -475,9 +475,12 @@ <h3 id="change-marks">Change marks</h3>
 <p class="leftbar">
 <strong>← Lines that start with this symbol indicate a change from the previous IOCCC</strong>
 </p>
-<p>Most lines (we sometimes make mistakes) that were modified since the previous
-IOCCC start with a solid 4 pixel black left border (or, in the case of a code
-block or blockquote, just a vertical bar).</p>
+<p class="leftbar">
+Most lines that were modified since the previous IOCCC start with a solid
+4 pixel black left border (or, in the case of a code block or blockquote,
+just a vertical bar). We say <em>most lines</em> because we sometimes forget
+to bar modified sections.
+</p>
 <p>Jump to: <a href="#">top</a></p>
 <div id="obfuscate">
 <h1 id="obfuscate-defined">Obfuscate defined:</h1>
@@ -498,9 +501,11 @@ <h1 id="goals-of-the-contest">Goals of the Contest</h1>
 <ul>
 <li>To write the most Obscure/Obfuscated C program within the <a href="rules.html">IOCCC rules</a>.</li>
 <li>To show the importance of programming style, in an ironic way.</li>
+<li>To emphasize the value of perspicuous code by use of negative examples.</li>
 <li>To stress C compilers with unusual code.</li>
 <li>To illustrate some of the subtleties of the C language.</li>
 <li>To provide a safe forum for poor C code. :-)</li>
+<li>To have fun with C!</li>
 </ul>
 <p>Jump to: <a href="#">top</a></p>
 <div id="dates">
@@ -570,7 +575,9 @@ <h2 id="rule-0">Rule 0</h2>
 <div id="rule1">
 <h2 id="rule-1">Rule 1</h2>
 </div>
-<p>Your submission must be a complete program.</p>
+<p class="leftbar">
+Your submission must be a C program.
+</div>
 <p>Jump to: <a href="#">top</a></p>
 <div id="rule2">
 <h2 id="rule-2">Rule 2</h2>
@@ -693,7 +700,7 @@ <h2 id="rule-3">Rule 3</h2>
 <a href="https://submit.ioccc.org">submit server</a> <strong>Username</strong> and <strong>Initial password</strong>
 from an <a href="../judges.html">IOCCC judge</a>, you may upload your submission to
 the <a href="https://submit.ioccc.org">submit server</a> only while the
-contest <strong><a href="../faq.html#open">open</a></strong>.
+contest is <strong><a href="../faq.html#open">open</a></strong>.
 </p>
 <p class="leftbar">
 The <a href="https://submit.ioccc.org">submit server</a>, in accordance with <a href="rules.html#rule17">Rule 17</a>,
@@ -788,7 +795,9 @@ <h2 id="rule-6">Rule 6</h2>
 <div id="rule7">
 <h2 id="rule-7">Rule 7</h2>
 </div>
-<p>The obfuscated C program must be an original work that you own.</p>
+<p class="leftbar">
+The obfuscated C program must be your own original work.
+</p>
 <p class="leftbar">
 You (the author(s)) must own the contents of your submission OR
 you must have permission from the owner(s) to submit their content

next/rules.md

@@ -51,7 +51,7 @@ Jump to: [top](#)
 </div>
 
 <p class="leftbar">
-These [IOCCC rules](rules.html) are version **28.25 2025-02-26**.
+These [IOCCC rules](rules.html) are version **28.26 2025-02-28**.
 </p>
 
 <p class="leftbar">
@@ -73,9 +73,12 @@ Jump to: [top](#)
 **&larr; Lines that start with this symbol indicate a change from the previous IOCCC**
 </p>
 
-Most lines (we sometimes make mistakes) that were modified since the previous
-IOCCC start with a solid 4 pixel black left border (or, in the case of a code
-block or blockquote, just a vertical bar).
+<p class="leftbar">
+Most lines that were modified since the previous IOCCC start with a solid
+4 pixel black left border (or, in the case of a code block or blockquote,
+just a vertical bar).  We say _most lines_ because we sometimes forget
+to bar modified sections.
+</p>
 
 
 Jump to: [top](#)
@@ -106,9 +109,11 @@ The goals of the IOCCC:
 
 *  To write the most Obscure/Obfuscated C program within the [IOCCC rules](rules.html).
 *  To show the importance of programming style, in an ironic way.
+*  To emphasize the value of perspicuous code by use of negative examples.
 *  To stress C compilers with unusual code.
 *  To illustrate some of the subtleties of the C language.
 *  To provide a safe forum for poor C code. :-)
+*  To have fun with C!
 
 
 Jump to: [top](#)
@@ -206,7 +211,9 @@ Jump to: [top](#)
 ## Rule 1
 </div>
 
-Your submission must be a complete program.
+<p class="leftbar">
+Your submission must be a C program.
+</div>
 
 
 Jump to: [top](#)
@@ -371,7 +378,7 @@ If you have [registered](register.html) and received by email their
 [submit server](https://submit.ioccc.org) **Username** and **Initial password**
 from an [IOCCC judge](../judges.html), you may upload your submission to
 the [submit server](https://submit.ioccc.org) only while the
-contest **[open](../faq.html#open)**.
+contest is **[open](../faq.html#open)**.
 </p>
 
 <p class="leftbar">
@@ -500,7 +507,9 @@ Jump to: [top](#)
 ## Rule 7
 </div>
 
-The obfuscated C program must be an original work that you own.
+<p class="leftbar">
+The obfuscated C program must be your own original work.
+</p>
 
 <p class="leftbar">
 You (the author(s)) must own the contents of your submission OR