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1 As a special exception, the authors give permission to link this program
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2 with the OpenSSL library and distribute the resulting binary.
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3
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4 GNU GENERAL PUBLIC LICENSE
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5 Version 2, June 1991
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6
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7 Copyright (C) 1989, 1991 Free Software Foundation, Inc.
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8 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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9 Everyone is permitted to copy and distribute verbatim copies
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10 of this license document, but changing it is not allowed.
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11
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12 Preamble
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13
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14 The licenses for most software are designed to take away your
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15 freedom to share and change it. By contrast, the GNU General Public
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16 License is intended to guarantee your freedom to share and change free
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17 software--to make sure the software is free for all its users. This
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18 General Public License applies to most of the Free Software
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19 Foundation's software and to any other program whose authors commit to
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20 using it. (Some other Free Software Foundation software is covered by
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21 the GNU Library General Public License instead.) You can apply it to
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22 your programs, too.
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23
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24 When we speak of free software, we are referring to freedom, not
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25 price. Our General Public Licenses are designed to make sure that you
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26 have the freedom to distribute copies of free software (and charge for
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27 this service if you wish), that you receive source code or can get it
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28 if you want it, that you can change the software or use pieces of it
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29 in new free programs; and that you know you can do these things.
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30
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31 To protect your rights, we need to make restrictions that forbid
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32 anyone to deny you these rights or to ask you to surrender the rights.
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33 These restrictions translate to certain responsibilities for you if you
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34 distribute copies of the software, or if you modify it.
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35
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36 For example, if you distribute copies of such a program, whether
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37 gratis or for a fee, you must give the recipients all the rights that
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38 you have. You must make sure that they, too, receive or can get the
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39 source code. And you must show them these terms so they know their
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40 rights.
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41
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42 We protect your rights with two steps: (1) copyright the software, and
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43 (2) offer you this license which gives you legal permission to copy,
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44 distribute and/or modify the software.
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45
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46 Also, for each author's protection and ours, we want to make certain
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47 that everyone understands that there is no warranty for this free
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48 software. If the software is modified by someone else and passed on, we
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49 want its recipients to know that what they have is not the original, so
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50 that any problems introduced by others will not reflect on the original
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51 authors' reputations.
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52
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53 Finally, any free program is threatened constantly by software
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54 patents. We wish to avoid the danger that redistributors of a free
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55 program will individually obtain patent licenses, in effect making the
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56 program proprietary. To prevent this, we have made it clear that any
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57 patent must be licensed for everyone's free use or not licensed at all.
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58
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59 The precise terms and conditions for copying, distribution and
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60 modification follow.
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61
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62 GNU GENERAL PUBLIC LICENSE
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63 TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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64
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65 0. This License applies to any program or other work which contains
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66 a notice placed by the copyright holder saying it may be distributed
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67 under the terms of this General Public License. The "Program", below,
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68 refers to any such program or work, and a "work based on the Program"
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69 means either the Program or any derivative work under copyright law:
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70 that is to say, a work containing the Program or a portion of it,
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71 either verbatim or with modifications and/or translated into another
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72 language. (Hereinafter, translation is included without limitation in
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73 the term "modification".) Each licensee is addressed as "you".
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74
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75 Activities other than copying, distribution and modification are not
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76 covered by this License; they are outside its scope. The act of
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77 running the Program is not restricted, and the output from the Program
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78 is covered only if its contents constitute a work based on the
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79 Program (independent of having been made by running the Program).
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80 Whether that is true depends on what the Program does.
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81
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82 1. You may copy and distribute verbatim copies of the Program's
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83 source code as you receive it, in any medium, provided that you
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84 conspicuously and appropriately publish on each copy an appropriate
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85 copyright notice and disclaimer of warranty; keep intact all the
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86 notices that refer to this License and to the absence of any warranty;
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87 and give any other recipients of the Program a copy of this License
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88 along with the Program.
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89
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90 You may charge a fee for the physical act of transferring a copy, and
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91 you may at your option offer warranty protection in exchange for a fee.
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92
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93 2. You may modify your copy or copies of the Program or any portion
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94 of it, thus forming a work based on the Program, and copy and
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95 distribute such modifications or work under the terms of Section 1
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96 above, provided that you also meet all of these conditions:
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97
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98 a) You must cause the modified files to carry prominent notices
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99 stating that you changed the files and the date of any change.
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100
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101 b) You must cause any work that you distribute or publish, that in
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102 whole or in part contains or is derived from the Program or any
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103 part thereof, to be licensed as a whole at no charge to all third
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104 parties under the terms of this License.
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105
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106 c) If the modified program normally reads commands interactively
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107 when run, you must cause it, when started running for such
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108 interactive use in the most ordinary way, to print or display an
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109 announcement including an appropriate copyright notice and a
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110 notice that there is no warranty (or else, saying that you provide
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111 a warranty) and that users may redistribute the program under
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112 these conditions, and telling the user how to view a copy of this
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113 License. (Exception: if the Program itself is interactive but
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114 does not normally print such an announcement, your work based on
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115 the Program is not required to print an announcement.)
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116
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117 These requirements apply to the modified work as a whole. If
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118 identifiable sections of that work are not derived from the Program,
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119 and can be reasonably considered independent and separate works in
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120 themselves, then this License, and its terms, do not apply to those
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121 sections when you distribute them as separate works. But when you
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122 distribute the same sections as part of a whole which is a work based
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123 on the Program, the distribution of the whole must be on the terms of
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124 this License, whose permissions for other licensees extend to the
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125 entire whole, and thus to each and every part regardless of who wrote it.
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126
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127 Thus, it is not the intent of this section to claim rights or contest
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128 your rights to work written entirely by you; rather, the intent is to
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129 exercise the right to control the distribution of derivative or
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130 collective works based on the Program.
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131
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132 In addition, mere aggregation of another work not based on the Program
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133 with the Program (or with a work based on the Program) on a volume of
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134 a storage or distribution medium does not bring the other work under
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135 the scope of this License.
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136
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137 3. You may copy and distribute the Program (or a work based on it,
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138 under Section 2) in object code or executable form under the terms of
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139 Sections 1 and 2 above provided that you also do one of the following:
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140
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141 a) Accompany it with the complete corresponding machine-readable
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142 source code, which must be distributed under the terms of Sections
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143 1 and 2 above on a medium customarily used for software interchange; or,
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144
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145 b) Accompany it with a written offer, valid for at least three
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146 years, to give any third party, for a charge no more than your
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147 cost of physically performing source distribution, a complete
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148 machine-readable copy of the corresponding source code, to be
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149 distributed under the terms of Sections 1 and 2 above on a medium
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150 customarily used for software interchange; or,
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151
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152 c) Accompany it with the information you received as to the offer
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153 to distribute corresponding source code. (This alternative is
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154 allowed only for noncommercial distribution and only if you
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155 received the program in object code or executable form with such
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156 an offer, in accord with Subsection b above.)
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157
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158 The source code for a work means the preferred form of the work for
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159 making modifications to it. For an executable work, complete source
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160 code means all the source code for all modules it contains, plus any
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161 associated interface definition files, plus the scripts used to
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162 control compilation and installation of the executable. However, as a
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163 special exception, the source code distributed need not include
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164 anything that is normally distributed (in either source or binary
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165 form) with the major components (compiler, kernel, and so on) of the
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166 operating system on which the executable runs, unless that component
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167 itself accompanies the executable.
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168
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169 If distribution of executable or object code is made by offering
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170 access to copy from a designated place, then offering equivalent
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171 access to copy the source code from the same place counts as
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172 distribution of the source code, even though third parties are not
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173 compelled to copy the source along with the object code.
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174
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175 4. You may not copy, modify, sublicense, or distribute the Program
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176 except as expressly provided under this License. Any attempt
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177 otherwise to copy, modify, sublicense or distribute the Program is
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178 void, and will automatically terminate your rights under this License.
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179 However, parties who have received copies, or rights, from you under
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180 this License will not have their licenses terminated so long as such
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181 parties remain in full compliance.
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182
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183 5. You are not required to accept this License, since you have not
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184 signed it. However, nothing else grants you permission to modify or
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185 distribute the Program or its derivative works. These actions are
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186 prohibited by law if you do not accept this License. Therefore, by
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187 modifying or distributing the Program (or any work based on the
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188 Program), you indicate your acceptance of this License to do so, and
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189 all its terms and conditions for copying, distributing or modifying
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190 the Program or works based on it.
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191
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192 6. Each time you redistribute the Program (or any work based on the
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193 Program), the recipient automatically receives a license from the
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194 original licensor to copy, distribute or modify the Program subject to
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195 these terms and conditions. You may not impose any further
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196 restrictions on the recipients' exercise of the rights granted herein.
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197 You are not responsible for enforcing compliance by third parties to
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198 this License.
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199
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200 7. If, as a consequence of a court judgment or allegation of patent
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201 infringement or for any other reason (not limited to patent issues),
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202 conditions are imposed on you (whether by court order, agreement or
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203 otherwise) that contradict the conditions of this License, they do not
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204 excuse you from the conditions of this License. If you cannot
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205 distribute so as to satisfy simultaneously your obligations under this
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206 License and any other pertinent obligations, then as a consequence you
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207 may not distribute the Program at all. For example, if a patent
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208 license would not permit royalty-free redistribution of the Program by
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209 all those who receive copies directly or indirectly through you, then
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210 the only way you could satisfy both it and this License would be to
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211 refrain entirely from distribution of the Program.
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212
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213 If any portion of this section is held invalid or unenforceable under
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214 any particular circumstance, the balance of the section is intended to
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215 apply and the section as a whole is intended to apply in other
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216 circumstances.
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217
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218 It is not the purpose of this section to induce you to infringe any
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219 patents or other property right claims or to contest validity of any
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220 such claims; this section has the sole purpose of protecting the
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221 integrity of the free software distribution system, which is
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222 implemented by public license practices. Many people have made
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223 generous contributions to the wide range of software distributed
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224 through that system in reliance on consistent application of that
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225 system; it is up to the author/donor to decide if he or she is willing
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226 to distribute software through any other system and a licensee cannot
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227 impose that choice.
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228
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229 This section is intended to make thoroughly clear what is believed to
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230 be a consequence of the rest of this License.
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231
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232 8. If the distribution and/or use of the Program is restricted in
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233 certain countries either by patents or by copyrighted interfaces, the
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234 original copyright holder who places the Program under this License
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235 may add an explicit geographical distribution limitation excluding
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236 those countries, so that distribution is permitted only in or among
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237 countries not thus excluded. In such case, this License incorporates
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238 the limitation as if written in the body of this License.
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239
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240 9. The Free Software Foundation may publish revised and/or new versions
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241 of the General Public License from time to time. Such new versions will
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242 be similar in spirit to the present version, but may differ in detail to
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243 address new problems or concerns.
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244
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245 Each version is given a distinguishing version number. If the Program
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246 specifies a version number of this License which applies to it and "any
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247 later version", you have the option of following the terms and conditions
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248 either of that version or of any later version published by the Free
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249 Software Foundation. If the Program does not specify a version number of
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250 this License, you may choose any version ever published by the Free Software
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251 Foundation.
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252
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253 10. If you wish to incorporate parts of the Program into other free
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254 programs whose distribution conditions are different, write to the author
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255 to ask for permission. For software which is copyrighted by the Free
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256 Software Foundation, write to the Free Software Foundation; we sometimes
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257 make exceptions for this. Our decision will be guided by the two goals
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258 of preserving the free status of all derivatives of our free software and
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259 of promoting the sharing and reuse of software generally.
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260
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261 NO WARRANTY
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262
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263 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
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264 FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
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265 OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
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266 PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
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267 OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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268 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
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269 TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
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270 PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
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271 REPAIR OR CORRECTION.
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272
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273 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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274 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
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275 REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
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276 INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
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277 OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
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278 TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
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279 YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
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280 PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
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281 POSSIBILITY OF SUCH DAMAGES.
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282
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283 END OF TERMS AND CONDITIONS
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