Fixes in html files of 1990

1990/index.html

@@ -392,8 +392,9 @@ on how to compile it and how to run the winning program.
 Look at the winning source and try to figure how it does what it does!
 You may then wish to look at the Author’s remarks for even more details.</p>
 <p>This year, the Grand Prize won a standing ovation at USENIX.</p>
-<p>The <a href="stig/index.html">“Strangest abuse of the rules”</a> award was given this
-year to stress the fact that starting in 1991, entries should be shell-specific.</p>
+<p>The <a href="stig/index.html">Strangest abuse of the rules</a> award was given this
+year to stress the fact that starting in <a href="../years.html#1991">1991</a>, entries
+should be shell-specific.</p>
 <p>This year was the first year that we accepted ANSI C entries. It was
 interesting to note that the ANSI C entries were as a whole less portable than
 the K&amp;R C entries. We hope that in future contests people will enter more
@@ -402,7 +403,7 @@ obfuscated and challenging ANSI C programs.</p>
 her role as official chef of the contest. Her opinions regarding
 some of the contest entries were appreciated.</p>
 <p><a href="rules.txt">Rules</a> and <a href="../years.html#1990">results</a> were
-posted to comp.lang.c, comp.sources.unix, and alt.sources. They have been made
+posted to <em>comp.lang.c</em>, <em>comp.sources.unix</em>, and <em>alt.sources</em>. They have been made
 available on a wide number of USENET archive sites such as uunet.</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