357 lines
5.1 KiB
HTML
357 lines
5.1 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html>
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<head>
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<title>posix: Module Index</title>
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<link rel="stylesheet" href="../luadoc.css" type="text/css" />
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<!--meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/-->
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<body>
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<div id="container">
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<div id="product">
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<div id="product_logo"></div>
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<div id="product_name"><big><b></b></big></div>
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<div id="product_description"></div>
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</div> <!-- id="product" -->
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<div id="main">
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<div id="navigation">
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<h1>LuaDoc</h1>
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<ul>
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<li><a href="../index.html">Index</a></li>
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</ul>
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<!-- Module list -->
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<h1>Modules</h1>
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<ul>
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<li>
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<a href="../modules/base.html">base</a>
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</li>
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<li>
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<a href="../modules/bin.html">bin</a>
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</li>
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<li>
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<a href="../modules/debug.html">debug</a>
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<li>
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<a href="../modules/fstable.html">fstable</a>
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</li>
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<li>
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<a href="../modules/getopt.html">getopt</a>
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</li>
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<li>
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<a href="../modules/io.html">io</a>
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</li>
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<li>
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<a href="../modules/lcs.html">lcs</a>
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</li>
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<li>
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<a href="../modules/list.html">list</a>
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</li>
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<li>
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<a href="../modules/math.html">math</a>
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</li>
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<li>
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<a href="../modules/mbox.html">mbox</a>
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</li>
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<a href="../modules/object.html">object</a>
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<a href="../modules/package.html">package</a>
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</li>
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<li>
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<a href="../modules/parser.html">parser</a>
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</li>
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<li><strong>posix</strong></li>
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<li>
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<a href="../modules/set.html">set</a>
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</li>
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<li>
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<a href="../modules/std.html">std</a>
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</li>
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<li>
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<a href="../modules/strbuf.html">strbuf</a>
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</li>
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<li>
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<a href="../modules/string.html">string</a>
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</li>
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<li>
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<a href="../modules/table.html">table</a>
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</li>
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<li>
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<a href="../modules/tree.html">tree</a>
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</li>
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</ul>
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<!-- File list -->
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<h1>Files</h1>
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<ul>
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<li>
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<a href="../files/base.html">base.lua</a>
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</li>
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<li>
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<a href="../files/bin.html">bin.lua</a>
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</li>
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<li>
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<a href="../files/debug_ext.html">debug_ext.lua</a>
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</li>
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<li>
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<a href="../files/debug_init.html">debug_init.lua</a>
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</li>
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<li>
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<a href="../files/fstable.html">fstable.lua</a>
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</li>
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<li>
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<a href="../files/getopt.html">getopt.lua</a>
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</li>
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<li>
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<a href="../files/io_ext.html">io_ext.lua</a>
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</li>
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<li>
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<a href="../files/lcs.html">lcs.lua</a>
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</li>
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<li>
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<a href="../files/list.html">list.lua</a>
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</li>
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<li>
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<a href="../files/math_ext.html">math_ext.lua</a>
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</li>
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<li>
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<a href="../files/mbox.html">mbox.lua</a>
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</li>
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<li>
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<a href="../files/modules.html">modules.lua</a>
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</li>
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<li>
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<a href="../files/object.html">object.lua</a>
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</li>
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<li>
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<a href="../files/package_ext.html">package_ext.lua</a>
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</li>
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<li>
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<a href="../files/parser.html">parser.lua</a>
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</li>
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<li>
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<a href="../files/posix_ext.html">posix_ext.lua</a>
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</li>
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<li>
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<a href="../files/set.html">set.lua</a>
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</li>
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<li>
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<a href="../files/std.html">std.lua</a>
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</li>
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<li>
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<a href="../files/strbuf.html">strbuf.lua</a>
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</li>
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<li>
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<a href="../files/strict.html">strict.lua</a>
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</li>
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<li>
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<a href="../files/string_ext.html">string_ext.lua</a>
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</li>
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<li>
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<a href="../files/table_ext.html">table_ext.lua</a>
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</li>
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<li>
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<a href="../files/tree.html">tree.lua</a>
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</li>
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<li>
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<a href="../files/xml.html">xml.lua</a>
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</li>
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</ul>
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</div><!-- id="navigation" -->
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<div id="content">
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<h1>Module <code>posix</code></h1>
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<p></p>
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<h2>Functions</h2>
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<table class="function_list">
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<tr>
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<td class="name" nowrap><a href="#euidaccess">euidaccess</a> (file, mode)</td>
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<td class="summary">Check permissions like <code>access</code>, but for euid.</td>
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</tr>
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<tr>
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<td class="name" nowrap><a href="#system">system</a> (file, ...)</td>
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<td class="summary">Run a program like <code>os.system</code>, but without a shell.</td>
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</tr>
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</table>
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<br/>
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<br/>
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<h2><a name="functions"></a>Functions</h2>
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<dl class="function">
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<dt><a name="euidaccess"></a><strong>euidaccess</strong> (file, mode)</dt>
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<dd>
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Check permissions like <code>access</code>, but for euid. Based on the glibc function of the same name. Does not always check for read-only file system, text busy, etc., and does not work with ACLs &c.
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<h3>Parameters</h3>
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<ul>
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<li>
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file: file to check
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</li>
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<li>
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mode: checks to perform (as for access)
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</li>
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</ul>
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<h3>Return value:</h3>
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0 if access allowed; <code>nil</code> otherwise (and errno is set)
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</dd>
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<dt><a name="system"></a><strong>system</strong> (file, ...)</dt>
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<dd>
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Run a program like <code>os.system</code>, but without a shell.
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<h3>Parameters</h3>
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<ul>
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<li>
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file: filename of program to run
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</li>
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<li>
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...: arguments to the program
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</li>
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</ul>
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<h3>Return values:</h3>
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<ol>
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<li>status exit code, or nil if fork or wait fails
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<li>error message, or exit type if wait succeeds
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</ol>
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</dd>
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</dl>
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</div> <!-- id="content" -->
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</div> <!-- id="main" -->
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<div id="about">
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<p><a href="http://validator.w3.org/check?uri=referer"><img src="http://www.w3.org/Icons/valid-xhtml10" alt="Valid XHTML 1.0!" height="31" width="88" /></a></p>
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</div> <!-- id="about" -->
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</div> <!-- id="container" -->
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</body>
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</html>
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