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1 <reference>
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2 <title>@PACKAGE@ - Version @VERSION@</title>
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3 <partintro>
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4 <title>Packages</title>
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5
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6 <para>The various source and binary packages are available at <ulink
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7 url="http://www.five-ten-sg.com/@PACKAGE@/packages/">http://www.five-ten-sg.com/@PACKAGE@/packages/</ulink>.
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8 The most recent documentation is available at <ulink
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9 url="http://www.five-ten-sg.com/@PACKAGE@/">http://www.five-ten-sg.com/@PACKAGE@/</ulink>.
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10 </para>
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11
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12 <para>A <ulink
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13 url="http://www.selenic.com/mercurial/wiki/">Mercurial</ulink> source
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14 code repository for this project is available at <ulink
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15 url="http://hg.five-ten-sg.com/@PACKAGE@/">http://hg.five-ten-sg.com/@PACKAGE@/</ulink>.
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16 </para>
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17
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18 </partintro>
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19
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20 <refentry id="x@PACKAGE@.1">
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21 <refentryinfo>
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2
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22 <date>2014-06-22</date>
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1
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23 <author>
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24 <firstname>Carl</firstname>
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25 <surname>Byington</surname>
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26 <affiliation><orgname>510 Software Group</orgname></affiliation>
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27 </author>
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28 </refentryinfo>
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29
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30 <refmeta>
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31 <refentrytitle>@PACKAGE@</refentrytitle>
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32 <manvolnum>1</manvolnum>
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33 <refmiscinfo>@PACKAGE@ @VERSION@</refmiscinfo>
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34 </refmeta>
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35
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36 <refnamediv id='name.1'>
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37 <refname>@PACKAGE@</refname>
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38 <refpurpose>a monitoring package for the android terminal emulator</refpurpose>
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39 </refnamediv>
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40
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41 <refsect1 id='build.1'>
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42 <title>Build method</title>
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43 <para>
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44 This is an android project with no native code, so
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45 "android update project -p . -t android-16; ant debug"
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46 should build cleanly.
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47 </para>
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48 </refsect1>
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49
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50 <refsect1 id='introduction.1'>
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51 <title>Introduction</title>
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52 <para>
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53 This is a stub monitoring application for the related
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54 510 Connectbot android terminal emulator package.
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55 </para>
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56 </refsect1>
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57
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58 <refsect1 id='monitor.1'>
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59 <title>Terminal Monitor</title>
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60 <para>
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61 For every terminal session (local, telnet, ssh or tn5250), the
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62 terminal emulator also makes a connection to a terminal monitor
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63 process, which can see cursor movement and screen contents, and can
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64 inject characters to send to the host.
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65 </para>
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66
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67 <para>
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68 The terminal monitor is invoked by calling an android Intent
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69 named "com.five_ten_sg.connectbot.monitor.MonitorService". That
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70 ensures that the monitor process is running, and should then
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71 be listening on TCP port 6000 for incoming connections. The terminal
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72 emulator then connects to the terminal monitor on port 6000.
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73 The native android Intent and Service communication mechanisms
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74 are not used.
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75 </para>
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76
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77 <para>
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78 The messages exchanged between the terminal emulator and the
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79 terminal monitor are arrays of uint16 values in network byte
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80 order. Each message starts with a uint16 message byte length,
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81 followed by that many bytes of data. Note that the message length
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82 will always be even. The next uint16 contains the message
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83 command value, and the remaining uint16 values are the arguments
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84 if any for that command.
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85 </para>
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86
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87 <para>
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88 Any arguments that are keystrokes or characters are represented
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89 as 16 bit unicode. Note that the first 256 such characters are
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90 identical to the ISO-8859-1 latin character set.
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91 </para>
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92
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93 <para>
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94 INIT = 0 (TE -> Monitor). The argument is a string of uint16
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95 characters. The meaning of these characters is defined by the
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96 monitor. It might be a fully qualified path name, or some other
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97 data used by the monitor to drive the monitoring of this
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98 connection.
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99 </para>
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100
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101 <para>
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102 ACTIVATE = 1 (TE -> Monitor). The first argument is the
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103 number of lines. The second argument is the number of columns.
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104 That is followed by lines*columns uint16 character codes.
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105 This connection is now the active connection. It is the
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106 topmost (or only) window visible to the user - typed keystrokes
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107 will be sent to the host on the other end of this connection.
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108 </para>
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109
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110 <para>
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111 KEYSTATE = 2 (TE -> Monitor). The argument is a single uint16
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112 value, 1 for key down, 0 for key up. The TE tracks a single special
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113 key for the monitor, and reports key up/down state when it changes.
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114 The actual key is configurable.
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115 </para>
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116
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117 <para>
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118 CURSORMOVE = 3 (TE -> Monitor).
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119 The first argument is the line number (0..23)
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120 and the second argument is the column number (0..79).
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121 </para>
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122
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123 <para>
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124 SCREENCHANGE = 4 (TE -> Monitor). The first argument is the
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125 number of lines. The second argument is the number of columns.
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126 That is followed by lines*columns uint16 character codes.
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127 </para>
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128
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129 <para>
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130 FIELDVALUE = 5 (TE -> Monitor).
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131 SETFIELD = 5 (Monitor -> TE).
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132 The first argument is the line number (0..23)
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133 and the second argument is the column number (0..79).
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134 That is followed by the field value, a sequence of uint16
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135 character codes from the screen buffer. The field
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136 covers N columns, where N = (message length - 4) / 2.
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137 When sent from the monitor to the emulator, this causes
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138 the emulator to send the field codes to the host. This is
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139 also used as the reply message from the emulator to the
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140 monitor for a previous GETFIELD from the monitor.
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141 </para>
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142
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143 <para>
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144 GETFIELD = 6 (Monitor -> TE).
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145 The first argument is the line number (0..23)
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146 and the second argument is the starting column number (0..79),
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147 and the third argument is the field length in columns.
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148 This command causes the emulator to send a FIELDVALUE message
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149 back to the monitor.
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150 </para>
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151
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152 <para>
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153 SCREENWATCH = 7 (Monitor -> TE).
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154 The first argument is the line number (0..23)
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155 and the second argument is the starting column number (0..79),
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156 and the third argument is the field length in columns.
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157 This command causes the emulator to watch the specified
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158 part of the screen for changes. When that part of the screen
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159 changes, the emulator will send a SCREENCHANGE message back
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160 to the monitor.
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161 </para>
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162
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163 <para>
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164 DEPRESS = 8 (Monitor -> TE). The argument is a single uint16
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165 value containing the vk_key value. This command causes the emulator
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166 to simulate a keypress for that key. The codes are defined
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167 <ulink url="http://msdn.microsoft.com/en-us/library/windows/desktop/dd375731">here</ulink>.
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168 </para>
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169
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170 <para>
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171 SHOWURL = 9 (Monitor -> TE). The single argument is a sequence
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172 of uint16 character codes forming a URL to be displayed.
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173 </para>
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174 </refsect1>
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175
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176 <refsect1 id='todo.1'>
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177 <title>TODO</title>
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178 <para>
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179 Nothing.
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180 </para>
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181 </refsect1>
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182
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183 <refsect1 id='copyright.1'>
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184 <title>Copyright</title>
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185 <para>
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186 Copyright (C) 2014 by 510 Software Group <carl@five-ten-sg.com>
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187 </para>
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188 <para>
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189 This program is free software; you can redistribute it and/or modify it
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190 under the terms of the GNU General Public License as published by the
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191 Free Software Foundation; either version 3, or (at your option) any
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192 later version.
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193 </para>
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194 <para>
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195 You should have received a copy of the GNU General Public License along
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196 with this program; see the file COPYING. If not, please write to the
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197 Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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198 </para>
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199 </refsect1>
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200
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201 <refsect1 id='version.1'>
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202 <title>Version</title>
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203 <para>
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204 @VERSION@
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205 </para>
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206 </refsect1>
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207 </refentry>
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208
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209 </reference>
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