Format fixes in html files in 2011

2011/richards/README.md

@@ -69,7 +69,7 @@ You will probably get warnings while compiling the code. In particular:
 * I don't include any headers I don't strictly need to, so you'll get warnings
   about (at least) `memcpy()`, `isdigit()`, `atoi()`, `calloc()`, `malloc()`
   and `alloca()` if you didn't use `-DAH`.
-        - NOTE from judges: we added these includes in 2023.
+        - **NOTE from judges**: we added these includes in 2023.
 
 * GCC likes to complain about `while (a = b)` (assignments as a condition).
 
@@ -88,7 +88,7 @@ Platforms which work but not at all optimization levels or needing special
 flags:
 
  * owcc 1.9 + x86 + Windows: Needs `-DNM -DAH -fno-stack-check`
- * gcc 4.4.5 + sh4: -O0 works, higher optimization levels don't work for unknown reasons.
+ * gcc 4.4.5 + sh4: `-O0` works, higher optimization levels don't work for unknown reasons.
 
 
 <!--

2011/richards/index.html

@@ -452,7 +452,7 @@ compile flag <code>-DAH</code>.</p></li>
 about (at least) <code>memcpy()</code>, <code>isdigit()</code>, <code>atoi()</code>, <code>calloc()</code>, <code>malloc()</code>
 and <code>alloca()</code> if you didn’t use <code>-DAH</code>.</p>
 <ul>
-<li>NOTE from judges: we added these includes in 2023.</li>
+<li><strong>NOTE from judges</strong>: we added these includes in 2023.</li>
 </ul></li>
 <li><p>GCC likes to complain about <code>while (a = b)</code> (assignments as a condition).</p></li>
 <li><p>I don’t return from <code>main()</code>, even though it’s declared to return <code>int</code>.</p></li>
@@ -470,7 +470,7 @@ flags:</p>
 flags:</p>
 <ul>
 <li>owcc 1.9 + x86 + Windows: Needs <code>-DNM -DAH -fno-stack-check</code></li>
-<li>gcc 4.4.5 + sh4: -O0 works, higher optimization levels don’t work for unknown reasons.</li>
+<li>gcc 4.4.5 + sh4: <code>-O0</code> works, higher optimization levels don’t work for unknown reasons.</li>
 </ul>
 <!--