replace old ASCII > style with markdown code blocks

1990/jaw/README.md

@@ -69,13 +69,11 @@ Universities Space Research Association<br>
 NASA Ames Research Center
 
 
----
+```
+    "Use an algorithm, go to jail."
 
-> "Use an algorithm, go to jail."
->
-> -- anon., circa 1988, pre-[Morris worm](https://en.wikipedia.org/wiki/Morris_worm) era
-
-----
+    -- anon., circa 1988, pre-[Morris worm](https://en.wikipedia.org/wiki/Morris_worm) era
+```
 
 
 Myriad formats have been proposed for network-mailable data. A major difficulty

1990/jaw/index.html

@@ -193,12 +193,9 @@ directory it is run from.</p>
 <p>James A. Woods<br>
 Universities Space Research Association<br>
 NASA Ames Research Center</p>
-<hr />
-<blockquote>
-<p>“Use an algorithm, go to jail.”</p>
-<p>– anon., circa 1988, pre-<a href="https://en.wikipedia.org/wiki/Morris_worm">Morris worm</a> era</p>
-</blockquote>
-<hr />
+<pre><code>    &quot;Use an algorithm, go to jail.&quot;
+
+    -- anon., circa 1988, pre-[Morris worm](https://en.wikipedia.org/wiki/Morris_worm) era</code></pre>
 <p>Myriad formats have been proposed for network-mailable data. A major difficulty
 undermining the popularity of most file/message bundlers is that the sender
 assumes prior installation of the computational dual of such bundling software

1990/pjr/README.md

@@ -59,7 +59,9 @@ to functions!
 
 This program prints out the string:
 
-> the quick brown fox jumped over the lazy dog
+```
+    the quick brown fox jumped over the lazy dog
+```
 
 
 ## Author's remarks:

1990/pjr/index.html

@@ -176,9 +176,7 @@ it is done?</p>
 to functions!</p>
 <h3 id="spoiler">Spoiler:</h3>
 <p>This program prints out the string:</p>
-<blockquote>
-<p>the quick brown fox jumped over the lazy dog</p>
-</blockquote>
+<pre><code>    the quick brown fox jumped over the lazy dog</code></pre>
 <h2 id="authors-remarks">Author’s remarks:</h2>
 <p>It is simple to make the program print other strings. Each
 alphabetical character from a to z is printed out as its

1990/scjones/README.md

@@ -28,10 +28,12 @@ ISO character set.
 
 The Author sent us this note after he was informed that he won:
 
-> Although I am quite grateful for the "ANSI Committee's Worst Abuse of C" title
-> (were you aware that I am a member of the committee or is the double meaning
-> unintentional?), I was really hoping for something more along the lines of
-> "Closest Resemblance to Line Noise."  :-)
+```
+    Although I am quite grateful for the "ANSI Committee's Worst Abuse of C" title
+    (were you aware that I am a member of the committee or is the double meaning
+    unintentional?), I was really hoping for something more along the lines of
+    "Closest Resemblance to Line Noise."  :-)
+```
 
 ... it was unintentional.
 

1990/scjones/index.html

@@ -162,12 +162,10 @@ was a dark and stormy night for C when the ANSI C committee added trigraphs to
 the standard. Too bad that they didn’t just simply require a more reasonable
 ISO character set.</p>
 <p>The Author sent us this note after he was informed that he won:</p>
-<blockquote>
-<p>Although I am quite grateful for the “ANSI Committee’s Worst Abuse of C” title
-(were you aware that I am a member of the committee or is the double meaning
-unintentional?), I was really hoping for something more along the lines of
-“Closest Resemblance to Line Noise.” :-)</p>
-</blockquote>
+<pre><code>    Although I am quite grateful for the &quot;ANSI Committee&#39;s Worst Abuse of C&quot; title
+    (were you aware that I am a member of the committee or is the double meaning
+    unintentional?), I was really hoping for something more along the lines of
+    &quot;Closest Resemblance to Line Noise.&quot;  :-)</code></pre>
 <p>… it was unintentional.</p>
 <h2 id="authors-remarks">Author’s remarks:</h2>
 <p>Since this year’s contest is dedicated to ANSI C, here is a strictly conforming