1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 |
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7 | <!ENTITY attr-download-http "http://download.savannah.gnu.org/releases/attr/attr-&attr-version;.src.tar.gz">
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8 | <!ENTITY attr-download-ftp " ">
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9 | <!ENTITY attr-md5sum "84f58dec00b60f2dc8fd1c9709291cc7">
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10 | <!ENTITY attr-size "336 KB">
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11 | <!ENTITY attr-buildsize "3.5 MB">
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12 | <!ENTITY attr-time "0.1 SBU">
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13 | ]>
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14 |
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15 | <sect1 id="attr" xreflabel="attr-&attr-version;">
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16 | <?dbhtml filename="attr.html"?>
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17 |
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18 | <sect1info>
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19 | <date>$Date$</date>
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20 | </sect1info>
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21 |
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22 | <title>attr-&attr-version;</title>
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23 |
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24 | <indexterm zone="attr">
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25 | <primary sortas="a-attr">attr</primary>
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26 | </indexterm>
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27 |
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28 | <sect2 role="package">
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29 | <title>Introduction to attr</title>
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30 |
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31 | <para>The <application>attr</application> package contains utilities to
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32 | administer the extended attributes on filesystem objects.</para>
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33 |
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34 | &lfs75_checked;
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35 |
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36 | <bridgehead renderas="sect3">Package Information</bridgehead>
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37 | <itemizedlist spacing="compact">
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38 | <listitem>
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39 | <para>Download (HTTP): <ulink url="&attr-download-http;"/></para>
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40 | </listitem>
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41 | <listitem>
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42 | <para>Download (FTP): <ulink url="&attr-download-ftp;"/></para>
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43 | </listitem>
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44 | <listitem>
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45 | <para>Download MD5 sum: &attr-md5sum;</para>
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46 | </listitem>
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47 | <listitem>
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48 | <para>Download size: &attr-size;</para>
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49 | </listitem>
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50 | <listitem>
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51 | <para>Estimated disk space required: &attr-buildsize;</para>
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52 | </listitem>
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53 | <listitem>
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54 | <para>Estimated build time: &attr-time;</para>
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55 | </listitem>
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56 | </itemizedlist>
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57 |
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58 | <para condition="html" role="usernotes">User Notes:
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59 | <ulink url="&blfs-wiki;/attr"/></para>
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60 |
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61 | </sect2>
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62 |
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63 | <sect2 role="installation">
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64 | <title>Installation of attr</title>
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65 |
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66 | <para>Install <application>attr</application> by running the following
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67 | commands:</para>
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68 |
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69 | <screen><userinput>sed -i -e 's|/@pkg_name@|&-@pkg_version@|' include/builddefs.in &&
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70 |
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71 | INSTALL_USER=root \
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72 | INSTALL_GROUP=root \
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73 | ./configure --prefix=/usr --disable-static &&
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74 | make</userinput></screen>
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75 |
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76 | <para>There are three sets of tests that come with this package. Issue the
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77 | following to execute all three:
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78 | <command>make tests root-tests ext-tests</command>. For meaningful results,
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79 | the tests need to be carried out on a file system that supports extended
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80 | attributes.</para>
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81 |
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82 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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83 |
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84 | <!-- Package uses DIST_ROOT instead of DESTDIR -->
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85 | <screen role="root"><userinput>make install install-dev install-lib &&
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86 | chmod -v 755 /usr/lib/libattr.so &&
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87 | mv -v /usr/lib/libattr.so.* /lib &&
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88 | ln -sfv ../../lib/libattr.so.1 /usr/lib/libattr.so</userinput></screen>
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89 |
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90 | </sect2>
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91 |
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92 | <sect2 role="commands">
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93 | <title>Command Explanations</title>
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94 |
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95 | <para><command>sed ... include/builddefs.in</command>: This command
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96 | modifies the documentation directory so that it is a versioned
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97 | directory.</para>
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98 |
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99 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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100 | href="../../xincludes/static-libraries.xml"/>
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101 |
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102 | </sect2>
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103 |
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104 | <sect2 role="configuration">
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105 | <title>Configuring attr</title>
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106 | <sect3><title>Configuration Information</title>
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107 |
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108 | <para>There is no configuration to <application>attr</application> itself,
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109 | but to get any use out of <application>attr</application>, a filesystem
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110 | needs to support extended attributes.</para>
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111 |
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112 | <para>One way to achieve this is to add the user_xattr option to an ext3
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113 | filesystem in the <filename>/etc/fstab</filename> file as shown
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114 | below:</para>
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115 |
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116 | <screen># file system mount-point type options dump fsck
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117 | # order
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118 |
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119 | /dev/sda1 / ext3 defaults,acl,user_xattr 0 2</screen>
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120 |
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121 | </sect3>
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122 |
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123 | </sect2>
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124 |
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125 | <sect2 role="content">
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126 | <title>Contents</title>
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127 |
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128 | <segmentedlist>
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129 | <segtitle>Installed Programs</segtitle>
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130 | <segtitle>Installed Library</segtitle>
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131 | <segtitle>Installed Directories</segtitle>
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132 |
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133 | <seglistitem>
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134 | <seg>attr, getfattr, and setfattr</seg>
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135 | <seg>libattr.so</seg>
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136 | <seg>/usr/{include/attr,share/doc/attr-&attr-version;}</seg>
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137 | </seglistitem>
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138 | </segmentedlist>
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139 |
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140 | <variablelist>
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141 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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142 | <?dbfo list-presentation="list"?>
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143 | <?dbhtml list-presentation="table"?>
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144 |
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145 | <varlistentry id="attr-prog">
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146 | <term><command>attr</command></term>
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147 | <listitem>
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148 | <para>extends attributes on filesystem objects.</para>
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149 | <indexterm zone="attr attr">
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150 | <primary sortas="b-attr">attr</primary>
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151 | </indexterm>
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152 | </listitem>
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153 | </varlistentry>
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154 |
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155 | <varlistentry id="getfattr">
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156 | <term><command>getfattr</command></term>
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157 | <listitem>
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158 | <para>gets the extended attributes of filesystem objects.</para>
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159 | <indexterm zone="attr getfattr">
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160 | <primary sortas="b-getfattr">getfattr</primary>
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161 | </indexterm>
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162 | </listitem>
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163 | </varlistentry>
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164 |
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165 | <varlistentry id="setfattr">
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166 | <term><command>setfattr</command></term>
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167 | <listitem>
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168 | <para>sets the extended attributes of filesystem objects.</para>
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169 | <indexterm zone="attr setfattr">
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170 | <primary sortas="b-setfattr">setfattr</primary>
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171 | </indexterm>
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172 | </listitem>
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173 | </varlistentry>
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174 |
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175 | <varlistentry id="libattr">
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176 | <term><filename class='libraryfile'>libattr.so</filename></term>
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177 | <listitem>
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178 | <para>contains the <application>attr</application> API functions.</para>
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179 | <indexterm zone="attr libattr">
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180 | <primary sortas="c-libattr">libattr.so</primary>
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181 | </indexterm>
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182 | </listitem>
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183 | </varlistentry>
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184 |
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185 | </variablelist>
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186 |
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187 | </sect2>
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188 |
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189 | </sect1>
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