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annotate xml/en/docs/http/ngx_http_browser_module.xml @ 351:a4fa80755eab

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Consistently strip initial offset in examples.
author Ruslan Ermilov <ru@nginx.com>
date Tue, 24 Jan 2012 11:01:22 +0000
parents e00f8f8c0486
children be54c443235a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
315
e00f8f8c0486 Translated ngx_http_access_module, ngx_http_addition_module,
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1 <?xml version="1.0"?>
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2
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3 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd">
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4
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5 <module name="Module ngx_http_browser_module"
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6 link="/en/docs/http/ngx_http_browser_module.html"
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7 lang="en">
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8
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9 <section id="summary">
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10
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11 <para>
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12 The <literal>ngx_http_browser_module</literal> module creates variables
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13 whose values depend on the value of the <header>User-Agent</header>
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14 request header field:
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15 <list type="tag">
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16
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17 <tag-name><var>$modern_browser</var></tag-name>
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18 <tag-desc>
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19 equals to the value set by the <link id="modern_browser_value"/> directive,
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20 if a browser was identified as modern;
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21 </tag-desc>
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22
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23 <tag-name><var>$ancient_browser</var></tag-name>
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24 <tag-desc>
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25 equals to the value set by the <link id="ancient_browser_value"/> directive,
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26 if a browser was identified as ancient;
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27 </tag-desc>
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28
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29 <tag-name><var>$msie</var></tag-name>
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30 <tag-desc>
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31 equals “1” if a browser was identified as MSIE of any version.
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32 </tag-desc>
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33
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34 </list>
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35 </para>
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36
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37 </section>
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38
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39
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40 <section id="example" name="Example Configuration">
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41
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42 <para>
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43 Choosing an index file:
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44 <example>
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45 modern_browser_value "modern.";
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46
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47 modern_browser msie 5.5;
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48 modern_browser gecko 1.0.0;
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49 modern_browser opera 9.0;
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50 modern_browser safari 413;
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51 modern_browser konqueror 3.0;
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52
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53 index index.${modern_browser}html index.html;
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54 </example>
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55 </para>
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56
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57 <para>
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58 Redirection for old browsers:
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59 <example>
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60 modern_browser msie 5.0;
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61 modern_browser gecko 0.9.1;
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62 modern_browser opera 8.0;
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63 modern_browser safari 413;
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64 modern_browser konqueror 3.0;
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65
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66 modern_browser unlisted;
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67
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68 ancient_browser Links Lynx netscape4;
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69
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70 if ($ancient_browser) {
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71 rewrite ^ /ancient.html;
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72 }
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73 </example>
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74 </para>
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75
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76 </section>
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77
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78
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79 <section id="directives" name="Directives">
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80
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81 <directive name="ancient_browser">
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82 <syntax><value>string</value> ...</syntax>
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83 <default/>
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84 <context>http</context>
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85 <context>server</context>
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86 <context>location</context>
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87
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88 <para>
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89 If any of the specified substrings is found in the <header>User-Agent</header>
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90 request header field, a browser will be considered ancient.
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91 The special string “<literal>netscape4</literal>” corresponds to the
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92 regular expression “<literal>^Mozilla/[1-4]</literal>”.
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93 </para>
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94
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95 </directive>
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96
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97
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98 <directive name="ancient_browser_value">
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99 <syntax><value>string</value></syntax>
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100 <default>1</default>
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101 <context>http</context>
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102 <context>server</context>
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103 <context>location</context>
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104
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105 <para>
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106 Sets a value for the <var>$ancient_browser</var> variables.
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107 </para>
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108
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109 </directive>
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110
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111
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112 <directive name="modern_browser">
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113 <syntax><value>browser</value> <value>version</value></syntax>
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114 <syntax><literal>unlisted</literal></syntax>
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115 <default/>
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116 <context>http</context>
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117 <context>server</context>
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118 <context>location</context>
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119
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120 <para>
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121 Specifies a version starting from which a browser is considered modern.
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122 A browser can be any one of the following: <literal>msie</literal>,
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123 <literal>gecko</literal> (browsers based on Mozilla),
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124 <literal>opera</literal>, <literal>safari</literal>,
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125 or <literal>konqueror</literal>.
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126 </para>
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127
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128 <para>
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129 Versions can be specified in the following formats: X, X.X, X.X.X, or X.X.X.X.
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130 The maximum values for each of the format are
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131 4000, 4000.99, 4000.99.99, and 4000.99.99.99, respectively.
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132 </para>
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133
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134 <para>
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135 The special value <literal>unlisted</literal> specifies to consider
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136 a browser as modern if it was not listed by the
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137 <literal>modern_browser</literal> and <link id="ancient_browser"/>
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138 directives.
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139 Otherwise such a browser is considered ancient.
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140 If a request does not provide the <header>User-Agent</header> field
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141 in the header, a browser is treated as not being listed.
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142 </para>
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143
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144 </directive>
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145
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146
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147 <directive name="modern_browser_value">
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148 <syntax><value>string</value></syntax>
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149 <default>1</default>
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150 <context>http</context>
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151 <context>server</context>
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152 <context>location</context>
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153
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154 <para>
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155 Sets a value for the <var>$modern_browser</var> variables.
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156 </para>
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157
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158 </directive>
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159
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160 </section>
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161
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162 </module>