convert spoiler language and towards deobfuscation language

1994/westley/index.html

@@ -463,7 +463,7 @@ arguments:</p>
 <pre><code>    ./try.sh</code></pre>
 <h2 id="judges-remarks">Judges’ remarks:</h2>
 <p>Not all compiler errors are bad.</p>
-<p>For spoilers see the end of the notes from the author below.</p>
+<p>For deobfuscation information see the end of the notes from the author below.</p>
 <p>To use:</p>
 <pre><code>    ./try.sh</code></pre>
 <h2 id="authors-remarks">Author’s remarks:</h2>
@@ -501,7 +501,7 @@ the opening message each time, as if you are playing an adventure game
 with “verbose” turned on).</p>
 <p>The goal of the game is to escape the dungeon.</p>
 <p>Here is a walk-through for the game, including a few dead-ends:</p>
-<h3 id="spoiler">SPOILER</h3>
+<h3 id="deobfuscation">DEOBFUSCATION</h3>
 <pre><code>    cc -Describe -Door westley.c
     cc -Describe -Drain westley.c
     cc -Describe -Dwarf westley.c