<p>
Some GUI elements can optionally be controlled with the mouse wheel when
the pointer is hovering over them. The notation for mouse wheel action is
- <kbd class="mouse">⇑</kbd> <kbd class="mouse">⇐</kbd></dt>
- <kbd class="mouse">⇓</kbd> <kbd class="mouse">⇒</kbd></dt>
+ <kbd class="mouse">⇑</kbd> <kbd class="mouse">⇐</kbd>
+ <kbd class="mouse">⇓</kbd> <kbd class="mouse">⇒</kbd>.
</p>
-<h4>"Context-click"</h4>
+<h4>Context-click</h4>
<p>
- Many times the term <kbd class="mouse">context-click</kbd> is used to indicate
- that you should (typically) right-click on a particular element of the graphical
+ The term <dfn>context-click</dfn> is used to indicate
+ that you should (typically) <kbd class="mouse">Right</kbd>-click on a particular element of the graphical
user interface. Although right-click is the common, default way to do this, there
are other ways to accomplish the same thing - this term refers to any of them,
and the result is always that a menu specific to the item you clicked on will be
such as this</kbd>. In rare cases, you will be required to perform certain
operations at the command line of your operating system:
</p>
-<kbd class="lincmd">cat /proc/cpuinfo</kbd>
-<kbd class="maccmd">sleep 3600</kbd>
-<kbd class="wincmd">ping www.google.com</kbd>
+<kbd class="cmd lin">cat /proc/cpuinfo</kbd>
+<kbd class="cmd mac">sleep 3600</kbd>
+<kbd class="cmd win">ping www.google.com</kbd>
<h3>Program Output</h3>
<p>