acing of
the underscored string <em>may</em> be slightly smaller than the
word space of the remainder of the line, but in many cases, the
difference isn't visually noticeable.
</p>

<p>
<strong>UNDERSCORE</strong> tends to confuse
<strong>gxditview</strong>, even though the output, when
printed, looks fine.  Generally, I recommend using <strong>gv</strong>
to preview files anyway.  See the section on
<a href="using.html#USING_PREVIEWING">previewing</a>.
</p>

<p>
<a name="UNDERSCORE_COLOR"><strong>Colorizin