Clarify samp element example and add a third one

Fixes #1364.

source

@@ -20260,11 +20260,11 @@ two&lt;/samp> but I didn't know what that meant.&lt;/p></pre>
 
   <div class="example">
 
-   <p>This second example shows a block of sample output. Nested <code>samp</code> and
-   <code>kbd</code> elements allow for the styling of specific elements of the sample output using a
-   style sheet. There's also a few parts of the <code>samp</code> that are annotated with even more
-   detailed markup, to enable very precise styling. To achieve this, <code>span</code> elements are
-   used.</p>
+   <p>This second example shows a block of sample output from a console program. Nested 
+   <code>samp</code> and <code>kbd</code> elements allow for the styling of specific elements
+   of the sample output using a style sheet. There's also a few parts of the <code>samp</code> that
+   are annotated with even more detailed markup, to enable very precise styling. To achieve this,
+   <code>span</code> elements are used.</p>
 
    <pre>&lt;pre>&lt;samp>&lt;span class="prompt">jdoe@mowmow:~$&lt;/span> &lt;kbd>ssh demo.example.com&lt;/kbd>
 Last login: Tue Apr 12 09:10:17 2005 from mowmow.example.com on pts/1
@@ -20274,6 +20274,18 @@ Linux demo 2.6.10-grsec+gg3+e+fhs6b+nfs+gr0501+++p3+c4a+gr2b-reslog-v6.189 #1 SM
 
   </div>
 
+  <div class="example">
+
+   <p>This third example shows a block of input and its respective output. The example uses
+   both <code>code</code> and <code>samp</code> elements.</p>
+
+   <pre>&lt;pre>
+&lt;code class=&quot;language-javascript&quot;>console.log(2.3 + 2.4)&lt;/code>
+&lt;samp>4.699999999999999&lt;/samp>
+&lt;/pre></pre>
+
+  </div>
+
 
   <h4>The <dfn><code>kbd</code></dfn> element</h4>
 
@@ -118568,6 +118580,7 @@ INSERT INTERFACES HERE
   Evgeny Kapun,
   Ezequiel Garz&oacute;n,
   fantasai,
+  Felix Sanz,
   Felix Sasaki,
   Francesco Schwarz,
   Francis Brosnan Blazquez,