convert spoiler filenames into deobfuscation filenames

2019/yang/.entry.json

@@ -66,12 +66,12 @@
 	    "entry_text" : "source formatter as ASCII Violet Evergarden"
 	},
 	{
-	    "file_path" : "spoiler.html",
+	    "file_path" : "deobfuscation.html",
 	    "inventory_order" : 200,
 	    "OK_to_edit" : true,
 	    "display_as" : "html",
 	    "display_via_github" : false,
-	    "entry_text" : "spoiler web page"
+	    "entry_text" : "Deobfuscation information web page"
 	},
 	{
 	    "file_path" : "2019_yang.tar.bz2",

2019/yang/README.md

@@ -45,6 +45,9 @@ For more detailed information see [2019/yang in bugs.html](../../bugs.html#2019_
 Do you understand how this program works?  You may have to go over and over the
 output again.
 
+If you run into difficultly in understanding the code, you may wish
+to review the [deobfuscation.html](deobfuscation.html) web page.
+
 
 ## Author's remarks:
 

2019/yang/index.html

@@ -424,6 +424,8 @@ Location: <a href="../../location.html#US">US</a> - <em>United States of America
 <h2 id="judges-remarks">Judges’ remarks:</h2>
 <p>Do you understand how this program works? You may have to go over and over the
 output again.</p>
+<p>If you run into difficultly in understanding the code, you may wish
+to review the <a href="deobfuscation.html">deobfuscation.html</a> web page.</p>
 <h2 id="authors-remarks">Author’s remarks:</h2>
 <h3 id="summary">Summary:</h3>
 <p>Scramble/unscramble to single file:</p>
@@ -557,7 +559,7 @@ the same name, the character who is highly skilled in writing letters.</p>
 <li><a href="sample_input.txt">sample_input.txt</a> - sample input</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/yang/try.sh">try.sh</a> - script to try entry</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/yang/violet.c">violet.c</a> - source formatter as ASCII Violet Evergarden</li>
-<li><a href="spoiler.html">spoiler.html</a> - spoiler web page</li>
+<li><a href="deobfuscation.html">deobfuscation.html</a> - Deobfuscation information web page</li>
 </ul>
 <h2 id="secondary-files">Secondary files</h2>
 <ul>