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<head><title>Help On LaTeX \rule</title></head>
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<h1><font size="-2">Hypertext Help with LaTeX</font><br><font color="#cc0000">\rule</font></h1>
<p>
<tt>\rule[raise-height]{width}{height}</tt>
<p>
The <tt>\rule</tt> command generates a rectangular "blob of ink."
It can be used to produce horizontal or vertical lines. The arguments
are defined as follows.
<ul>
<li><TT>raise-height</TT> specifies how high to raise the rule (optional)
<li><TT>width</TT> specifies the length of the rule (mandatory)
<li><TT>height</TT> specifies the height of the rule (mandatory)
</ul>
The default value for <tt>raise-height</tt> is zero; a negative value
lowers the rule.
<p>
The reference point of the rule box is the lower left-hand corner.
<p>
A rule box of zero width may be used as a "strut" which is invisible but
which causes LaTeX to adjust veritcal spacing to leave room. This can
be particularly useful where the
<a href="ltx-347.html"><tt>\vspace</tt></a> command cannot be used,
for example, within <a href="ltx-115.html">mathematical formulas</a>.
<p>
The <tt>\rule</tt> command is <a href="fragile.html">fragile</a>.
<hr>
See <a href="ltx-143.html">Spaces and Boxes</a><br>
Back to the <a href="ltx-2.html">Table of Contents</a>
<hr>
<address>
Revised: Sheldon Green, 21 Aug 1995.
</address>
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