force use of pandoc version >= 3.1.12.2

The `bin/pandoc-wrapper.sh` tool will verify that the ssytem
has a recent enough version of `pandoc(1)`.

We explain why we insist on `pandoc(1)`. version >= 3.1.12.2
in comments where the $PANDOC_MIN_VERSION is set.

Added `--wrap=preserve` as a default argument to `pandoc(1)`.
While this change will impact every HTML file generated,
we believe this will improve the ability of someone to look
at the generated HTML and correlate with the original markdown.

Changed `bin/pandoc-wrapper.sh` VERSION from "1.4.2 2024-03-17"
to "1.4.3 2024-03-18".

Performed `make www` to achieve all of the above and to generate
HTML using the new  `--wrap=preserve` `pandoc(1)` mode.

1987/wall/index.html

@@ -130,8 +130,8 @@
 <h2 id="author"><a name="author"></a>Author:</h2>
 <ul>
 <li>Name: <a href="../../authors.html#Larry_Wall">Larry Wall</a><br>
-Location: <a href="../../location.html#US">US</a> - <em>United States of
-America</em> (<em>United States</em>) <br><br></li>
+Location: <a href="../../location.html#US">US</a> - <em>United States of America</em> (<em>United States</em>)
+<br><br></li>
 </ul>
 
 <!-- END: next line ends content generated by: bin/output-index-author.sh -->
@@ -149,8 +149,8 @@ America</em> (<em>United States</em>) <br><br></li>
 <span id="cb2-5"><a href="#cb2-5" aria-hidden="true" tabindex="-1"></a><span class="co"># enter some strings or numbers, depending on command</span></span></code></pre></div>
 <h2 id="try">Try:</h2>
 <div class="sourceCode" id="cb3"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="ex">./try.sh</span></span></code></pre></div>
-<p>You may of course run the commands manually and enter text as you
-wish. For instance you might try one or both of:</p>
+<p>You may of course run the commands manually and enter text as you wish. For
+instance you might try one or both of:</p>
 <div class="sourceCode" id="cb4"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="ex">./wall</span> <span class="kw">|</span> <span class="fu">bc</span></span>
 <span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a></span>
 <span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="ex">./wall</span> <span class="kw">|</span> <span class="fu">cat</span></span></code></pre></div>
@@ -158,67 +158,46 @@ wish. For instance you might try one or both of:</p>
 <pre><code>x*x
 2^x
 quit # for the cat version</code></pre>
-<p>which the script does through a pipeline except that here you can
-enter more text if you wish, line by line.</p>
+<p>which the script does through a pipeline except that here you can enter more
+text if you wish, line by line.</p>
 <h2 id="judges-remarks">Judges’ remarks:</h2>
-<p>What we found amazing was how the flow of control was transferred
-between subroutines. Careful inspection will show that the array of
-pointers to functions named <code>vi</code> refers to functions which
-seem to not be directly called. Even so, these pointers to functions are
-being used as an argument to <code>signal(3)</code> (used both with and
-without an arg - but how?). Can you determine why this is being done and
-how it is being exploited?</p>
-<p>Some compilers complained about this file, so we changed:
-<code>=++I</code> to <code>= ++I</code>.</p>
+<p>What we found amazing was how the flow of control was transferred between
+subroutines. Careful inspection will show that the array of pointers to
+functions named <code>vi</code> refers to functions which seem to not be directly called.
+Even so, these pointers to functions are being used as an argument to
+<code>signal(3)</code> (used both with and without an arg - but how?). Can you determine
+why this is being done and how it is being exploited?</p>
+<p>Some compilers complained about this file, so we changed: <code>=++I</code> to <code>= ++I</code>.</p>
 <h2 id="authors-remarks">Author’s remarks:</h2>
 <p>No remarks were provided by the author.</p>
-<h2 id="copyright-and-cc-by-sa-4.0-license">Copyright and CC BY-SA 4.0
-License:</h2>
-<p>This file is Copyright (c) 2023 by Landon Curt Noll. All Rights
-Reserved. You are free to share and adapt this file under the terms of
-this license:</p>
+<h2 id="copyright-and-cc-by-sa-4.0-license">Copyright and CC BY-SA 4.0 License:</h2>
+<p>This file is Copyright (c) 2023 by Landon Curt Noll. All Rights Reserved.
+You are free to share and adapt this file under the terms of this license:</p>
 <pre><code>Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)</code></pre>
-<p>For more information, see:
-https://creativecommons.org/licenses/by-sa/4.0/</p>
+<p>For more information, see: https://creativecommons.org/licenses/by-sa/4.0/</p>
 
 <!-- END: this line ends content for HTML phase 21 by: bin/pandoc-wrapper.sh via bin/md2html.sh -->
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 <!-- START: this line starts content generated by: bin/output-index-inventory.sh -->
 
-<h1 id="inventory-for-1987wall"><a name="inventory"></a>Inventory for
-1987/wall</h1>
+<h1 id="inventory-for-1987wall"><a name="inventory"></a>Inventory for 1987/wall</h1>
 <p><a href="#top">Jump to top</a></p>
 <h2 id="primary-files">Primary files</h2>
 <ul>
-<li><a
-href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/wall/wall.c">wall.c</a>
-- entry source</li>
-<li><a
-href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/wall/Makefile">Makefile</a>
-- entry Makefile</li>
-<li><a
-href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/wall/wall.orig.c">wall.orig.c</a>
-- original source</li>
-<li><a
-href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/wall/try.sh">try.sh</a>
-- how to run</li>
-<li><a href="1987_wall.tar.bz2">1987_wall.tar.bz2</a> - download entry
-source</li>
+<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/wall/wall.c">wall.c</a> - entry source</li>
+<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/wall/Makefile">Makefile</a> - entry Makefile</li>
+<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/wall/wall.orig.c">wall.orig.c</a> - original source</li>
+<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/wall/try.sh">try.sh</a> - how to run</li>
+<li><a href="1987_wall.tar.bz2">1987_wall.tar.bz2</a> - download entry source</li>
 </ul>
 <h2 id="secondary-files">Secondary files</h2>
 <ul>
 <li><a href="index.html">index.html</a> - entry home page</li>
-<li><a
-href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/wall/.entry.json">.entry.json</a>
-- description of entry in JSON</li>
-<li><a
-href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/wall/.gitignore">.gitignore</a>
-- list of files that should not be committed under git</li>
+<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/wall/.entry.json">.entry.json</a> - description of entry in JSON</li>
+<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/wall/.gitignore">.gitignore</a> - list of files that should not be committed under git</li>
 <li><a href=".path">.path</a> - directory path from top directory</li>
-<li><a
-href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/wall/README.md">README.md</a>
-- markdown source for index.html</li>
+<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/wall/README.md">README.md</a> - markdown source for index.html</li>
 </ul>
 
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