Make ^NOTE in markdown/html files bold

1990/tbr/README.md

@@ -43,9 +43,9 @@ below, in the [alternate version](#alternate-code) section.
     $ enter some shell commands
 ```
 
-NOTE: globs do not work with this entry. Why?
+**NOTE**: globs do not work with this entry. Why?
 
-NOTE: `exit` does not work and neither does `logout`. To exit try sending ctrl-d
+**NOTE**: `exit` does not work and neither does `logout`. To exit try sending ctrl-d
 or ctrl-c (or kill it from another terminal :-) ). But why does it not work with
 just `exit` or `logout`? Hint: see the authors' remarks.
 

1990/tbr/index.html

@@ -437,8 +437,8 @@ below, in the <a href="#alternate-code">alternate version</a> section.</p>
 <h2 id="to-use">To use:</h2>
 <pre><code>    ./tbr
     $ enter some shell commands</code></pre>
-<p>NOTE: globs do not work with this entry. Why?</p>
-<p>NOTE: <code>exit</code> does not work and neither does <code>logout</code>. To exit try sending ctrl-d
+<p><strong>NOTE</strong>: globs do not work with this entry. Why?</p>
+<p><strong>NOTE</strong>: <code>exit</code> does not work and neither does <code>logout</code>. To exit try sending ctrl-d
 or ctrl-c (or kill it from another terminal :-) ). But why does it not work with
 just <code>exit</code> or <code>logout</code>? Hint: see the authors’ remarks.</p>
 <h2 id="try">Try:</h2>