Improve bin/output-year-index.sh

Make it consistent with my improvement to bin/gen-years.sh: the entry
awards in the links (to each entry) are now in bold and so are the link
names. This helps them stand out a bit more.

1988/index.html

@@ -394,15 +394,16 @@ You may then wish to look at the Author’s remarks for even more details.</p>
 <p>The maximum size of entries was raised from 1024 to 1536 bytes, however smaller
 entries were encouraged. Due to the <a href="../1987/biggar/index.html">“Best Abuse of the Rules” entry of
 1987</a>, a limit of 160 chars in the compile line was introduced.</p>
-<p>This year, the Grand Prize was given to the most unusual entry and best
-abuse of the C Preprocessor rather than the most well rounded entry.</p>
-<p><a href="rules.txt">Rules</a> and <a href="../years.html#1988">results</a> were posted to comp.lang.c,
-comp.sources.unix and alt.sources. The 1988 winning entries will be published
+<p>This year, the <a href="applin/index.html">Best of Show</a> was given to the most unusual
+entry and <code>best abuse of the C Preprocessor</code> rather than the most well rounded
+entry.</p>
+<p><a href="rules.txt">Rules</a> and <a href="../years.html#1988">results</a> were posted to <em>comp.lang.c</em>,
+<em>comp.sources.unix</em> and <em>alt.sources</em>. The 1988 winning entries will be published
 in the <a href="https://www.vintage-computer.com/publications.php?microsystemsjournal">Micro/Systems
 Journal</a>.</p>
 <p>Winning entries for previous years were repackaged with each year
 being in its own directory. Makefiles and hints were also provided.
-The package was posted to the comp.sources.unix newsgroup. They are
+The package was posted to the <em>comp.sources.unix</em> newsgroup. They are
 also available on a wide number of USENET archive sites.</p>
 <h2 id="final-comments">Final Comments</h2>
 <p><strong>IMPORTANT NOTE</strong>: See <a href="../contact.html">contact.html</a> for up to date contact details
@@ -435,15 +436,15 @@ See also <a href="../faq.html">the IOCCC FAQ</a> for additional information on t
 </div>
 <p><a href="1988.tar.bz2"><strong>Download all winning entries from 1988</strong></a></p>
 <ul>
-<li><a href="applin/index.html">1988/applin</a> - Best of Show</li>
-<li><a href="dale/index.html">1988/dale</a> - Best abuse of system calls</li>
-<li><a href="isaak/index.html">1988/isaak</a> - Best visuals</li>
-<li><a href="litmaath/index.html">1988/litmaath</a> - Best small program</li>
-<li><a href="phillipps/index.html">1988/phillipps</a> - Least likely to compile successfully</li>
-<li><a href="reddy/index.html">1988/reddy</a> - Most useful obfuscated C program</li>
-<li><a href="robison/index.html">1988/robison</a> - Best abuse of C constructs</li>
-<li><a href="spinellis/index.html">1988/spinellis</a> - Best abuse of the rules</li>
-<li><a href="westley/index.html">1988/westley</a> - Best layout</li>
+<li><a href="applin/index.html"><strong>1988/applin</strong></a> - <strong>Best of Show</strong></li>
+<li><a href="dale/index.html"><strong>1988/dale</strong></a> - <strong>Best abuse of system calls</strong></li>
+<li><a href="isaak/index.html"><strong>1988/isaak</strong></a> - <strong>Best visuals</strong></li>
+<li><a href="litmaath/index.html"><strong>1988/litmaath</strong></a> - <strong>Best small program</strong></li>
+<li><a href="phillipps/index.html"><strong>1988/phillipps</strong></a> - <strong>Least likely to compile successfully</strong></li>
+<li><a href="reddy/index.html"><strong>1988/reddy</strong></a> - <strong>Most useful obfuscated C program</strong></li>
+<li><a href="robison/index.html"><strong>1988/robison</strong></a> - <strong>Best abuse of C constructs</strong></li>
+<li><a href="spinellis/index.html"><strong>1988/spinellis</strong></a> - <strong>Best abuse of the rules</strong></li>
+<li><a href="westley/index.html"><strong>1988/westley</strong></a> - <strong>Best layout</strong></li>
 </ul>
 <hr style="width:10%;text-align:left;margin-left:0">
 <h4>