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+<html>
+<head><title>Help On LaTeX \rule</title></head>
+<body bgcolor="#ffffff" text="#000000" link="#000099" vlink="#cc0000" alink="#cc0000">
+<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>
+</body>
+</html>