improve leading comments in some bin tools

Helped clarify how some tools are indirectly invoked by improving
some of the leading comments in selected bin tools.

Changed `bin/output-index-author.sh` VERSION from "1.5 2024-03-04"
to "1.5.1 2024-03-19".

Changed `bin/output-index-inventory.sh` VERSION from "1.2.1 2024-03-18"
to "1.2.2 2024-03-19".

Changed `bin/output-year-index.sh` VERSION from "1.1 2024-02-27"
to "1.1.1 2024-03-19".

Changed `bin/pandoc-wrapper.sh` VERSION from "1.5.1 2024-03-18"
to "1.5.2 2024-03-19".

Changed `bin/status2html.sh` VERSION from "1.1 2024-03-10"
to "1.1.1 2024-03-19".

Changed `bin/subst.entry-index.sh` VERSION from "1.3 2024-03-02"
to "1.3.1 2024-03-19".

Changed `bin/subst.year-index.sh` VERSION from "1.1 2024-03-02"
to "1.1.1 2024-03-19".

Ran `make www` to check tools and `1984/decot/index.html` was updated.

1984/decot/index.html

@@ -159,8 +159,9 @@ can use this version.</p>
 <h3 id="alternate-use">Alternate use:</h3>
 <div class="sourceCode" id="cb5"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="ex">./decot.alt</span></span></code></pre></div>
 <h2 id="judges-remarks">Judges’ remarks:</h2>
-<p>This program prints out a string of garbage.</p>
-<p>The judges also offer this one comment: understand remarks!</p>
+<p>This program prints out what looks like a fragment of C code.</p>
+<p>Is this a <strong>bug</strong> or is this a <strong>feature</strong>? To help choose
+the judges offer this one comment: understand remarks!</p>
 <h3 id="historical-remarks">Historical remarks:</h3>
 <p>Some new (in 1984) compilers disliked line 15 of the original source, so we
 changed it from:</p>