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1
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2 GNU GENERAL PUBLIC LICENSE
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3 Version 3, 29 June 2007
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4
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5 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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6 Everyone is permitted to copy and distribute verbatim copies
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7 of this license document, but changing it is not allowed.
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8
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9 Preamble
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10
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11 The GNU General Public License is a free, copyleft license for
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12 software and other kinds of works.
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13
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14 The licenses for most software and other practical works are designed
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15 to take away your freedom to share and change the works. By contrast,
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16 the GNU General Public License is intended to guarantee your freedom to
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17 share and change all versions of a program--to make sure it remains free
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18 software for all its users. We, the Free Software Foundation, use the
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19 GNU General Public License for most of our software; it applies also to
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20 any other work released this way by its authors. You can apply it to
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21 your programs, too.
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22
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23 When we speak of free software, we are referring to freedom, not
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24 price. Our General Public Licenses are designed to make sure that you
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25 have the freedom to distribute copies of free software (and charge for
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26 them if you wish), that you receive source code or can get it if you
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27 want it, that you can change the software or use pieces of it in new
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28 free programs, and that you know you can do these things.
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29
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30 To protect your rights, we need to prevent others from denying you
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31 these rights or asking you to surrender the rights. Therefore, you have
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32 certain responsibilities if you distribute copies of the software, or if
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33 you modify it: responsibilities to respect the freedom of others.
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34
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35 For example, if you distribute copies of such a program, whether
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36 gratis or for a fee, you must pass on to the recipients the same
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37 freedoms that you received. You must make sure that they, too, receive
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38 or can get the source code. And you must show them these terms so they
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39 know their rights.
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40
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41 Developers that use the GNU GPL protect your rights with two steps:
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42 (1) assert copyright on the software, and (2) offer you this License
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43 giving you legal permission to copy, distribute and/or modify it.
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44
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45 For the developers' and authors' protection, the GPL clearly explains
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46 that there is no warranty for this free software. For both users' and
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47 authors' sake, the GPL requires that modified versions be marked as
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48 changed, so that their problems will not be attributed erroneously to
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49 authors of previous versions.
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50
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51 Some devices are designed to deny users access to install or run
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52 modified versions of the software inside them, although the manufacturer
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53 can do so. This is fundamentally incompatible with the aim of
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54 protecting users' freedom to change the software. The systematic
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55 pattern of such abuse occurs in the area of products for individuals to
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56 use, which is precisely where it is most unacceptable. Therefore, we
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57 have designed this version of the GPL to prohibit the practice for those
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58 products. If such problems arise substantially in other domains, we
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59 stand ready to extend this provision to those domains in future versions
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60 of the GPL, as needed to protect the freedom of users.
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61
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62 Finally, every program is threatened constantly by software patents.
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63 States should not allow patents to restrict development and use of
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64 software on general-purpose computers, but in those that do, we wish to
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65 avoid the special danger that patents applied to a free program could
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66 make it effectively proprietary. To prevent this, the GPL assures that
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67 patents cannot be used to render the program non-free.
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68
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69 The precise terms and conditions for copying, distribution and
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70 modification follow.
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71
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72 TERMS AND CONDITIONS
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73
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74 0. Definitions.
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75
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76 "This License" refers to version 3 of the GNU General Public License.
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77
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78 "Copyright" also means copyright-like laws that apply to other kinds of
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79 works, such as semiconductor masks.
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80
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81 "The Program" refers to any copyrightable work licensed under this
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82 License. Each licensee is addressed as "you". "Licensees" and
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83 "recipients" may be individuals or organizations.
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84
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85 To "modify" a work means to copy from or adapt all or part of the work
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86 in a fashion requiring copyright permission, other than the making of an
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87 exact copy. The resulting work is called a "modified version" of the
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88 earlier work or a work "based on" the earlier work.
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89
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90 A "covered work" means either the unmodified Program or a work based
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91 on the Program.
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92
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93 To "propagate" a work means to do anything with it that, without
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94 permission, would make you directly or secondarily liable for
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95 infringement under applicable copyright law, except executing it on a
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96 computer or modifying a private copy. Propagation includes copying,
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97 distribution (with or without modification), making available to the
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98 public, and in some countries other activities as well.
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99
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100 To "convey" a work means any kind of propagation that enables other
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101 parties to make or receive copies. Mere interaction with a user through
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102 a computer network, with no transfer of a copy, is not conveying.
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103
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104 An interactive user interface displays "Appropriate Legal Notices"
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105 to the extent that it includes a convenient and prominently visible
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106 feature that (1) displays an appropriate copyright notice, and (2)
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107 tells the user that there is no warranty for the work (except to the
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108 extent that warranties are provided), that licensees may convey the
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109 work under this License, and how to view a copy of this License. If
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110 the interface presents a list of user commands or options, such as a
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111 menu, a prominent item in the list meets this criterion.
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112
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113 1. Source Code.
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114
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115 The "source code" for a work means the preferred form of the work
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116 for making modifications to it. "Object code" means any non-source
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117 form of a work.
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118
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119 A "Standard Interface" means an interface that either is an official
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120 standard defined by a recognized standards body, or, in the case of
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121 interfaces specified for a particular programming language, one that
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122 is widely used among developers working in that language.
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123
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124 The "System Libraries" of an executable work include anything, other
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125 than the work as a whole, that (a) is included in the normal form of
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126 packaging a Major Component, but which is not part of that Major
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127 Component, and (b) serves only to enable use of the work with that
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128 Major Component, or to implement a Standard Interface for which an
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129 implementation is available to the public in source code form. A
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130 "Major Component", in this context, means a major essential component
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131 (kernel, window system, and so on) of the specific operating system
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132 (if any) on which the executable work runs, or a compiler used to
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133 produce the work, or an object code interpreter used to run it.
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134
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135 The "Corresponding Source" for a work in object code form means all
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136 the source code needed to generate, install, and (for an executable
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137 work) run the object code and to modify the work, including scripts to
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138 control those activities. However, it does not include the work's
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139 System Libraries, or general-purpose tools or generally available free
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140 programs which are used unmodified in performing those activities but
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141 which are not part of the work. For example, Corresponding Source
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142 includes interface definition files associated with source files for
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143 the work, and the source code for shared libraries and dynamically
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144 linked subprograms that the work is specifically designed to require,
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145 such as by intimate data communication or control flow between those
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146 subprograms and other parts of the work.
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147
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148 The Corresponding Source need not include anything that users
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149 can regenerate automatically from other parts of the Corresponding
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150 Source.
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151
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152 The Corresponding Source for a work in source code form is that
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153 same work.
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154
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155 2. Basic Permissions.
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156
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157 All rights granted under this License are granted for the term of
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158 copyright on the Program, and are irrevocable provided the stated
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159 conditions are met. This License explicitly affirms your unlimited
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160 permission to run the unmodified Program. The output from running a
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161 covered work is covered by this License only if the output, given its
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162 content, constitutes a covered work. This License acknowledges your
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163 rights of fair use or other equivalent, as provided by copyright law.
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164
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165 You may make, run and propagate covered works that you do not
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166 convey, without conditions so long as your license otherwise remains
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167 in force. You may convey covered works to others for the sole purpose
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168 of having them make modifications exclusively for you, or provide you
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169 with facilities for running those works, provided that you comply with
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170 the terms of this License in conveying all material for which you do
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171 not control copyright. Those thus making or running the covered works
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172 for you must do so exclusively on your behalf, under your direction
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173 and control, on terms that prohibit them from making any copies of
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174 your copyrighted material outside their relationship with you.
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175
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176 Conveying under any other circumstances is permitted solely under
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177 the conditions stated below. Sublicensing is not allowed; section 10
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178 makes it unnecessary.
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179
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180 3. Protecting Users' Legal Rights From Anti-Circumvention Law.
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181
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182 No covered work shall be deemed part of an effective technological
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183 measure under any applicable law fulfilling obligations under article
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184 11 of the WIPO copyright treaty adopted on 20 December 1996, or
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185 similar laws prohibiting or restricting circumvention of such
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186 measures.
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187
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188 When you convey a covered work, you waive any legal power to forbid
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189 circumvention of technological measures to the extent such circumvention
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190 is effected by exercising rights under this License with respect to
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191 the covered work, and you disclaim any intention to limit operation or
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192 modification of the work as a means of enforcing, against the work's
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193 users, your or third parties' legal rights to forbid circumvention of
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194 technological measures.
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195
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196 4. Conveying Verbatim Copies.
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197
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198 You may convey verbatim copies of the Program's source code as you
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199 receive it, in any medium, provided that you conspicuously and
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200 appropriately publish on each copy an appropriate copyright notice;
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201 keep intact all notices stating that this License and any
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202 non-permissive terms added in accord with section 7 apply to the code;
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203 keep intact all notices of the absence of any warranty; and give all
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204 recipients a copy of this License along with the Program.
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205
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206 You may charge any price or no price for each copy that you convey,
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207 and you may offer support or warranty protection for a fee.
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208
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209 5. Conveying Modified Source Versions.
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210
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211 You may convey a work based on the Program, or the modifications to
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212 produce it from the Program, in the form of source code under the
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213 terms of section 4, provided that you also meet all of these conditions:
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214
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215 a) The work must carry prominent notices stating that you modified
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216 it, and giving a relevant date.
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217
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218 b) The work must carry prominent notices stating that it is
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219 released under this License and any conditions added under section
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220 7. This requirement modifies the requirement in section 4 to
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221 "keep intact all notices".
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222
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223 c) You must license the entire work, as a whole, under this
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224 License to anyone who comes into possession of a copy. This
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225 License will therefore apply, along with any applicable section 7
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226 additional terms, to the whole of the work, and all its parts,
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227 regardless of how they are packaged. This License gives no
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228 permission to license the work in any other way, but it does not
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229 invalidate such permission if you have separately received it.
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230
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231 d) If the work has interactive user interfaces, each must display
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232 Appropriate Legal Notices; however, if the Program has interactive
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233 interfaces that do not display Appropriate Legal Notices, your
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234 work need not make them do so.
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235
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236 A compilation of a covered work with other separate and independent
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237 works, which are not by their nature extensions of the covered work,
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238 and which are not combined with it such as to form a larger program,
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239 in or on a volume of a storage or distribution medium, is called an
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240 "aggregate" if the compilation and its resulting copyright are not
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241 used to limit the access or legal rights of the compilation's users
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242 beyond what the individual works permit. Inclusion of a covered work
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243 in an aggregate does not cause this License to apply to the other
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244 parts of the aggregate.
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245
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246 6. Conveying Non-Source Forms.
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247
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248 You may convey a covered work in object code form under the terms
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249 of sections 4 and 5, provided that you also convey the
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250 machine-readable Corresponding Source under the terms of this License,
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251 in one of these ways:
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252
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253 a) Convey the object code in, or embodied in, a physical product
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254 (including a physical distribution medium), accompanied by the
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255 Corresponding Source fixed on a durable physical medium
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256 customarily used for software interchange.
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257
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258 b) Convey the object code in, or embodied in, a physical product
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259 (including a physical distribution medium), accompanied by a
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260 written offer, valid for at least three years and valid for as
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261 long as you offer spare parts or customer support for that product
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262 model, to give anyone who possesses the object code either (1) a
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263 copy of the Corresponding Source for all the software in the
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264 product that is covered by this License, on a durable physical
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265 medium customarily used for software interchange, for a price no
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266 more than your reasonable cost of physically performing this
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267 conveying of source, or (2) access to copy the
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268 Corresponding Source from a network server at no charge.
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269
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270 c) Convey individual copies of the object code with a copy of the
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271 written offer to provide the Corresponding Source. This
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272 alternative is allowed only occasionally and noncommercially, and
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273 only if you received the object code with such an offer, in accord
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274 with subsection 6b.
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275
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276 d) Convey the object code by offering access from a designated
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277 place (gratis or for a charge), and offer equivalent access to the
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278 Corresponding Source in the same way through the same place at no
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279 further charge. You need not require recipients to copy the
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280 Corresponding Source along with the object code. If the place to
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281 copy the object code is a network server, the Corresponding Source
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282 may be on a different server (operated by you or a third party)
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283 that supports equivalent copying facilities, provided you maintain
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284 clear directions next to the object code saying where to find the
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285 Corresponding Source. Regardless of what server hosts the
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286 Corresponding Source, you remain obligated to ensure that it is
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287 available for as long as needed to satisfy these requirements.
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288
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289 e) Convey the object code using peer-to-peer transmission, provided
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290 you inform other peers where the object code and Corresponding
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291 Source of the work are being offered to the general public at no
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292 charge under subsection 6d.
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293
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294 A separable portion of the object code, whose source code is excluded
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295 from the Corresponding Source as a System Library, need not be
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296 included in conveying the object code work.
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297
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298 A "User Product" is either (1) a "consumer product", which means any
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299 tangible personal property which is normally used for personal, family,
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300 or household purposes, or (2) anything designed or sold for incorporation
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301 into a dwelling. In determining whether a product is a consumer product,
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alpar@9
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302 doubtful cases shall be resolved in favor of coverage. For a particular
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alpar@9
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303 product received by a particular user, "normally used" refers to a
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alpar@9
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304 typical or common use of that class of product, regardless of the status
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305 of the particular user or of the way in which the particular user
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306 actually uses, or expects or is expected to use, the product. A product
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307 is a consumer product regardless of whether the product has substantial
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alpar@9
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308 commercial, industrial or non-consumer uses, unless such uses represent
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309 the only significant mode of use of the product.
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alpar@9
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310
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alpar@9
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311 "Installation Information" for a User Product means any methods,
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alpar@9
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312 procedures, authorization keys, or other information required to install
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alpar@9
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313 and execute modified versions of a covered work in that User Product from
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alpar@9
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314 a modified version of its Corresponding Source. The information must
|
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alpar@9
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315 suffice to ensure that the continued functioning of the modified object
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alpar@9
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316 code is in no case prevented or interfered with solely because
|
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alpar@9
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317 modification has been made.
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alpar@9
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318
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319 If you convey an object code work under this section in, or with, or
|
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alpar@9
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320 specifically for use in, a User Product, and the conveying occurs as
|
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alpar@9
|
321 part of a transaction in which the right of possession and use of the
|
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alpar@9
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322 User Product is transferred to the recipient in perpetuity or for a
|
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alpar@9
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323 fixed term (regardless of how the transaction is characterized), the
|
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alpar@9
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324 Corresponding Source conveyed under this section must be accompanied
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alpar@9
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325 by the Installation Information. But this requirement does not apply
|
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alpar@9
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326 if neither you nor any third party retains the ability to install
|
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alpar@9
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327 modified object code on the User Product (for example, the work has
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328 been installed in ROM).
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alpar@9
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329
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alpar@9
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330 The requirement to provide Installation Information does not include a
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alpar@9
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331 requirement to continue to provide support service, warranty, or updates
|
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alpar@9
|
332 for a work that has been modified or installed by the recipient, or for
|
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alpar@9
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333 the User Product in which it has been modified or installed. Access to a
|
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alpar@9
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334 network may be denied when the modification itself materially and
|
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alpar@9
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335 adversely affects the operation of the network or violates the rules and
|
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alpar@9
|
336 protocols for communication across the network.
|
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alpar@9
|
337
|
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alpar@9
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338 Corresponding Source conveyed, and Installation Information provided,
|
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alpar@9
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339 in accord with this section must be in a format that is publicly
|
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alpar@9
|
340 documented (and with an implementation available to the public in
|
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alpar@9
|
341 source code form), and must require no special password or key for
|
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alpar@9
|
342 unpacking, reading or copying.
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alpar@9
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343
|
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alpar@9
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344 7. Additional Terms.
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alpar@9
|
345
|
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alpar@9
|
346 "Additional permissions" are terms that supplement the terms of this
|
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alpar@9
|
347 License by making exceptions from one or more of its conditions.
|
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alpar@9
|
348 Additional permissions that are applicable to the entire Program shall
|
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alpar@9
|
349 be treated as though they were included in this License, to the extent
|
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alpar@9
|
350 that they are valid under applicable law. If additional permissions
|
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alpar@9
|
351 apply only to part of the Program, that part may be used separately
|
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alpar@9
|
352 under those permissions, but the entire Program remains governed by
|
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alpar@9
|
353 this License without regard to the additional permissions.
|
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alpar@9
|
354
|
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alpar@9
|
355 When you convey a copy of a covered work, you may at your option
|
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alpar@9
|
356 remove any additional permissions from that copy, or from any part of
|
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alpar@9
|
357 it. (Additional permissions may be written to require their own
|
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alpar@9
|
358 removal in certain cases when you modify the work.) You may place
|
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alpar@9
|
359 additional permissions on material, added by you to a covered work,
|
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alpar@9
|
360 for which you have or can give appropriate copyright permission.
|
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alpar@9
|
361
|
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alpar@9
|
362 Notwithstanding any other provision of this License, for material you
|
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alpar@9
|
363 add to a covered work, you may (if authorized by the copyright holders of
|
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alpar@9
|
364 that material) supplement the terms of this License with terms:
|
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alpar@9
|
365
|
|
alpar@9
|
366 a) Disclaiming warranty or limiting liability differently from the
|
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alpar@9
|
367 terms of sections 15 and 16 of this License; or
|
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alpar@9
|
368
|
|
alpar@9
|
369 b) Requiring preservation of specified reasonable legal notices or
|
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alpar@9
|
370 author attributions in that material or in the Appropriate Legal
|
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alpar@9
|
371 Notices displayed by works containing it; or
|
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alpar@9
|
372
|
|
alpar@9
|
373 c) Prohibiting misrepresentation of the origin of that material, or
|
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alpar@9
|
374 requiring that modified versions of such material be marked in
|
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alpar@9
|
375 reasonable ways as different from the original version; or
|
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alpar@9
|
376
|
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alpar@9
|
377 d) Limiting the use for publicity purposes of names of licensors or
|
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alpar@9
|
378 authors of the material; or
|
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alpar@9
|
379
|
|
alpar@9
|
380 e) Declining to grant rights under trademark law for use of some
|
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alpar@9
|
381 trade names, trademarks, or service marks; or
|
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alpar@9
|
382
|
|
alpar@9
|
383 f) Requiring indemnification of licensors and authors of that
|
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alpar@9
|
384 material by anyone who conveys the material (or modified versions of
|
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alpar@9
|
385 it) with contractual assumptions of liability to the recipient, for
|
|
alpar@9
|
386 any liability that these contractual assumptions directly impose on
|
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alpar@9
|
387 those licensors and authors.
|
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alpar@9
|
388
|
|
alpar@9
|
389 All other non-permissive additional terms are considered "further
|
|
alpar@9
|
390 restrictions" within the meaning of section 10. If the Program as you
|
|
alpar@9
|
391 received it, or any part of it, contains a notice stating that it is
|
|
alpar@9
|
392 governed by this License along with a term that is a further
|
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alpar@9
|
393 restriction, you may remove that term. If a license document contains
|
|
alpar@9
|
394 a further restriction but permits relicensing or conveying under this
|
|
alpar@9
|
395 License, you may add to a covered work material governed by the terms
|
|
alpar@9
|
396 of that license document, provided that the further restriction does
|
|
alpar@9
|
397 not survive such relicensing or conveying.
|
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alpar@9
|
398
|
|
alpar@9
|
399 If you add terms to a covered work in accord with this section, you
|
|
alpar@9
|
400 must place, in the relevant source files, a statement of the
|
|
alpar@9
|
401 additional terms that apply to those files, or a notice indicating
|
|
alpar@9
|
402 where to find the applicable terms.
|
|
alpar@9
|
403
|
|
alpar@9
|
404 Additional terms, permissive or non-permissive, may be stated in the
|
|
alpar@9
|
405 form of a separately written license, or stated as exceptions;
|
|
alpar@9
|
406 the above requirements apply either way.
|
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alpar@9
|
407
|
|
alpar@9
|
408 8. Termination.
|
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alpar@9
|
409
|
|
alpar@9
|
410 You may not propagate or modify a covered work except as expressly
|
|
alpar@9
|
411 provided under this License. Any attempt otherwise to propagate or
|
|
alpar@9
|
412 modify it is void, and will automatically terminate your rights under
|
|
alpar@9
|
413 this License (including any patent licenses granted under the third
|
|
alpar@9
|
414 paragraph of section 11).
|
|
alpar@9
|
415
|
|
alpar@9
|
416 However, if you cease all violation of this License, then your
|
|
alpar@9
|
417 license from a particular copyright holder is reinstated (a)
|
|
alpar@9
|
418 provisionally, unless and until the copyright holder explicitly and
|
|
alpar@9
|
419 finally terminates your license, and (b) permanently, if the copyright
|
|
alpar@9
|
420 holder fails to notify you of the violation by some reasonable means
|
|
alpar@9
|
421 prior to 60 days after the cessation.
|
|
alpar@9
|
422
|
|
alpar@9
|
423 Moreover, your license from a particular copyright holder is
|
|
alpar@9
|
424 reinstated permanently if the copyright holder notifies you of the
|
|
alpar@9
|
425 violation by some reasonable means, this is the first time you have
|
|
alpar@9
|
426 received notice of violation of this License (for any work) from that
|
|
alpar@9
|
427 copyright holder, and you cure the violation prior to 30 days after
|
|
alpar@9
|
428 your receipt of the notice.
|
|
alpar@9
|
429
|
|
alpar@9
|
430 Termination of your rights under this section does not terminate the
|
|
alpar@9
|
431 licenses of parties who have received copies or rights from you under
|
|
alpar@9
|
432 this License. If your rights have been terminated and not permanently
|
|
alpar@9
|
433 reinstated, you do not qualify to receive new licenses for the same
|
|
alpar@9
|
434 material under section 10.
|
|
alpar@9
|
435
|
|
alpar@9
|
436 9. Acceptance Not Required for Having Copies.
|
|
alpar@9
|
437
|
|
alpar@9
|
438 You are not required to accept this License in order to receive or
|
|
alpar@9
|
439 run a copy of the Program. Ancillary propagation of a covered work
|
|
alpar@9
|
440 occurring solely as a consequence of using peer-to-peer transmission
|
|
alpar@9
|
441 to receive a copy likewise does not require acceptance. However,
|
|
alpar@9
|
442 nothing other than this License grants you permission to propagate or
|
|
alpar@9
|
443 modify any covered work. These actions infringe copyright if you do
|
|
alpar@9
|
444 not accept this License. Therefore, by modifying or propagating a
|
|
alpar@9
|
445 covered work, you indicate your acceptance of this License to do so.
|
|
alpar@9
|
446
|
|
alpar@9
|
447 10. Automatic Licensing of Downstream Recipients.
|
|
alpar@9
|
448
|
|
alpar@9
|
449 Each time you convey a covered work, the recipient automatically
|
|
alpar@9
|
450 receives a license from the original licensors, to run, modify and
|
|
alpar@9
|
451 propagate that work, subject to this License. You are not responsible
|
|
alpar@9
|
452 for enforcing compliance by third parties with this License.
|
|
alpar@9
|
453
|
|
alpar@9
|
454 An "entity transaction" is a transaction transferring control of an
|
|
alpar@9
|
455 organization, or substantially all assets of one, or subdividing an
|
|
alpar@9
|
456 organization, or merging organizations. If propagation of a covered
|
|
alpar@9
|
457 work results from an entity transaction, each party to that
|
|
alpar@9
|
458 transaction who receives a copy of the work also receives whatever
|
|
alpar@9
|
459 licenses to the work the party's predecessor in interest had or could
|
|
alpar@9
|
460 give under the previous paragraph, plus a right to possession of the
|
|
alpar@9
|
461 Corresponding Source of the work from the predecessor in interest, if
|
|
alpar@9
|
462 the predecessor has it or can get it with reasonable efforts.
|
|
alpar@9
|
463
|
|
alpar@9
|
464 You may not impose any further restrictions on the exercise of the
|
|
alpar@9
|
465 rights granted or affirmed under this License. For example, you may
|
|
alpar@9
|
466 not impose a license fee, royalty, or other charge for exercise of
|
|
alpar@9
|
467 rights granted under this License, and you may not initiate litigation
|
|
alpar@9
|
468 (including a cross-claim or counterclaim in a lawsuit) alleging that
|
|
alpar@9
|
469 any patent claim is infringed by making, using, selling, offering for
|
|
alpar@9
|
470 sale, or importing the Program or any portion of it.
|
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alpar@9
|
471
|
|
alpar@9
|
472 11. Patents.
|
|
alpar@9
|
473
|
|
alpar@9
|
474 A "contributor" is a copyright holder who authorizes use under this
|
|
alpar@9
|
475 License of the Program or a work on which the Program is based. The
|
|
alpar@9
|
476 work thus licensed is called the contributor's "contributor version".
|
|
alpar@9
|
477
|
|
alpar@9
|
478 A contributor's "essential patent claims" are all patent claims
|
|
alpar@9
|
479 owned or controlled by the contributor, whether already acquired or
|
|
alpar@9
|
480 hereafter acquired, that would be infringed by some manner, permitted
|
|
alpar@9
|
481 by this License, of making, using, or selling its contributor version,
|
|
alpar@9
|
482 but do not include claims that would be infringed only as a
|
|
alpar@9
|
483 consequence of further modification of the contributor version. For
|
|
alpar@9
|
484 purposes of this definition, "control" includes the right to grant
|
|
alpar@9
|
485 patent sublicenses in a manner consistent with the requirements of
|
|
alpar@9
|
486 this License.
|
|
alpar@9
|
487
|
|
alpar@9
|
488 Each contributor grants you a non-exclusive, worldwide, royalty-free
|
|
alpar@9
|
489 patent license under the contributor's essential patent claims, to
|
|
alpar@9
|
490 make, use, sell, offer for sale, import and otherwise run, modify and
|
|
alpar@9
|
491 propagate the contents of its contributor version.
|
|
alpar@9
|
492
|
|
alpar@9
|
493 In the following three paragraphs, a "patent license" is any express
|
|
alpar@9
|
494 agreement or commitment, however denominated, not to enforce a patent
|
|
alpar@9
|
495 (such as an express permission to practice a patent or covenant not to
|
|
alpar@9
|
496 sue for patent infringement). To "grant" such a patent license to a
|
|
alpar@9
|
497 party means to make such an agreement or commitment not to enforce a
|
|
alpar@9
|
498 patent against the party.
|
|
alpar@9
|
499
|
|
alpar@9
|
500 If you convey a covered work, knowingly relying on a patent license,
|
|
alpar@9
|
501 and the Corresponding Source of the work is not available for anyone
|
|
alpar@9
|
502 to copy, free of charge and under the terms of this License, through a
|
|
alpar@9
|
503 publicly available network server or other readily accessible means,
|
|
alpar@9
|
504 then you must either (1) cause the Corresponding Source to be so
|
|
alpar@9
|
505 available, or (2) arrange to deprive yourself of the benefit of the
|
|
alpar@9
|
506 patent license for this particular work, or (3) arrange, in a manner
|
|
alpar@9
|
507 consistent with the requirements of this License, to extend the patent
|
|
alpar@9
|
508 license to downstream recipients. "Knowingly relying" means you have
|
|
alpar@9
|
509 actual knowledge that, but for the patent license, your conveying the
|
|
alpar@9
|
510 covered work in a country, or your recipient's use of the covered work
|
|
alpar@9
|
511 in a country, would infringe one or more identifiable patents in that
|
|
alpar@9
|
512 country that you have reason to believe are valid.
|
|
alpar@9
|
513
|
|
alpar@9
|
514 If, pursuant to or in connection with a single transaction or
|
|
alpar@9
|
515 arrangement, you convey, or propagate by procuring conveyance of, a
|
|
alpar@9
|
516 covered work, and grant a patent license to some of the parties
|
|
alpar@9
|
517 receiving the covered work authorizing them to use, propagate, modify
|
|
alpar@9
|
518 or convey a specific copy of the covered work, then the patent license
|
|
alpar@9
|
519 you grant is automatically extended to all recipients of the covered
|
|
alpar@9
|
520 work and works based on it.
|
|
alpar@9
|
521
|
|
alpar@9
|
522 A patent license is "discriminatory" if it does not include within
|
|
alpar@9
|
523 the scope of its coverage, prohibits the exercise of, or is
|
|
alpar@9
|
524 conditioned on the non-exercise of one or more of the rights that are
|
|
alpar@9
|
525 specifically granted under this License. You may not convey a covered
|
|
alpar@9
|
526 work if you are a party to an arrangement with a third party that is
|
|
alpar@9
|
527 in the business of distributing software, under which you make payment
|
|
alpar@9
|
528 to the third party based on the extent of your activity of conveying
|
|
alpar@9
|
529 the work, and under which the third party grants, to any of the
|
|
alpar@9
|
530 parties who would receive the covered work from you, a discriminatory
|
|
alpar@9
|
531 patent license (a) in connection with copies of the covered work
|
|
alpar@9
|
532 conveyed by you (or copies made from those copies), or (b) primarily
|
|
alpar@9
|
533 for and in connection with specific products or compilations that
|
|
alpar@9
|
534 contain the covered work, unless you entered into that arrangement,
|
|
alpar@9
|
535 or that patent license was granted, prior to 28 March 2007.
|
|
alpar@9
|
536
|
|
alpar@9
|
537 Nothing in this License shall be construed as excluding or limiting
|
|
alpar@9
|
538 any implied license or other defenses to infringement that may
|
|
alpar@9
|
539 otherwise be available to you under applicable patent law.
|
|
alpar@9
|
540
|
|
alpar@9
|
541 12. No Surrender of Others' Freedom.
|
|
alpar@9
|
542
|
|
alpar@9
|
543 If conditions are imposed on you (whether by court order, agreement or
|
|
alpar@9
|
544 otherwise) that contradict the conditions of this License, they do not
|
|
alpar@9
|
545 excuse you from the conditions of this License. If you cannot convey a
|
|
alpar@9
|
546 covered work so as to satisfy simultaneously your obligations under this
|
|
alpar@9
|
547 License and any other pertinent obligations, then as a consequence you may
|
|
alpar@9
|
548 not convey it at all. For example, if you agree to terms that obligate you
|
|
alpar@9
|
549 to collect a royalty for further conveying from those to whom you convey
|
|
alpar@9
|
550 the Program, the only way you could satisfy both those terms and this
|
|
alpar@9
|
551 License would be to refrain entirely from conveying the Program.
|
|
alpar@9
|
552
|
|
alpar@9
|
553 13. Use with the GNU Affero General Public License.
|
|
alpar@9
|
554
|
|
alpar@9
|
555 Notwithstanding any other provision of this License, you have
|
|
alpar@9
|
556 permission to link or combine any covered work with a work licensed
|
|
alpar@9
|
557 under version 3 of the GNU Affero General Public License into a single
|
|
alpar@9
|
558 combined work, and to convey the resulting work. The terms of this
|
|
alpar@9
|
559 License will continue to apply to the part which is the covered work,
|
|
alpar@9
|
560 but the special requirements of the GNU Affero General Public License,
|
|
alpar@9
|
561 section 13, concerning interaction through a network will apply to the
|
|
alpar@9
|
562 combination as such.
|
|
alpar@9
|
563
|
|
alpar@9
|
564 14. Revised Versions of this License.
|
|
alpar@9
|
565
|
|
alpar@9
|
566 The Free Software Foundation may publish revised and/or new versions of
|
|
alpar@9
|
567 the GNU General Public License from time to time. Such new versions will
|
|
alpar@9
|
568 be similar in spirit to the present version, but may differ in detail to
|
|
alpar@9
|
569 address new problems or concerns.
|
|
alpar@9
|
570
|
|
alpar@9
|
571 Each version is given a distinguishing version number. If the
|
|
alpar@9
|
572 Program specifies that a certain numbered version of the GNU General
|
|
alpar@9
|
573 Public License "or any later version" applies to it, you have the
|
|
alpar@9
|
574 option of following the terms and conditions either of that numbered
|
|
alpar@9
|
575 version or of any later version published by the Free Software
|
|
alpar@9
|
576 Foundation. If the Program does not specify a version number of the
|
|
alpar@9
|
577 GNU General Public License, you may choose any version ever published
|
|
alpar@9
|
578 by the Free Software Foundation.
|
|
alpar@9
|
579
|
|
alpar@9
|
580 If the Program specifies that a proxy can decide which future
|
|
alpar@9
|
581 versions of the GNU General Public License can be used, that proxy's
|
|
alpar@9
|
582 public statement of acceptance of a version permanently authorizes you
|
|
alpar@9
|
583 to choose that version for the Program.
|
|
alpar@9
|
584
|
|
alpar@9
|
585 Later license versions may give you additional or different
|
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alpar@9
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586 permissions. However, no additional obligations are imposed on any
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587 author or copyright holder as a result of your choosing to follow a
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588 later version.
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589
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alpar@9
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590 15. Disclaimer of Warranty.
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591
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592 THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
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593 APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
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alpar@9
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594 HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
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595 OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
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596 THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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597 PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
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598 IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
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599 ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
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600
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601 16. Limitation of Liability.
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602
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603 IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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604 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
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605 THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
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606 GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
|
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607 USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
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608 DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
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609 PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
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610 EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
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611 SUCH DAMAGES.
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612
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613 17. Interpretation of Sections 15 and 16.
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614
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615 If the disclaimer of warranty and limitation of liability provided
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616 above cannot be given local legal effect according to their terms,
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617 reviewing courts shall apply local law that most closely approximates
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618 an absolute waiver of all civil liability in connection with the
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alpar@9
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619 Program, unless a warranty or assumption of liability accompanies a
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alpar@9
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620 copy of the Program in return for a fee.
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621
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alpar@9
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622 END OF TERMS AND CONDITIONS
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623
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624 How to Apply These Terms to Your New Programs
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|
625
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alpar@9
|
626 If you develop a new program, and you want it to be of the greatest
|
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alpar@9
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627 possible use to the public, the best way to achieve this is to make it
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628 free software which everyone can redistribute and change under these terms.
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629
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630 To do so, attach the following notices to the program. It is safest
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alpar@9
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631 to attach them to the start of each source file to most effectively
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632 state the exclusion of warranty; and each file should have at least
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633 the "copyright" line and a pointer to where the full notice is found.
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|
634
|
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635 <one line to give the program's name and a brief idea of what it does.>
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alpar@9
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636 Copyright (C) <year> <name of author>
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|
637
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alpar@9
|
638 This program is free software: you can redistribute it and/or modify
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alpar@9
|
639 it under the terms of the GNU General Public License as published by
|
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|
640 the Free Software Foundation, either version 3 of the License, or
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|
641 (at your option) any later version.
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|
642
|
|
alpar@9
|
643 This program is distributed in the hope that it will be useful,
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|
644 but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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|
645 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
alpar@9
|
646 GNU General Public License for more details.
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|
alpar@9
|
647
|
|
alpar@9
|
648 You should have received a copy of the GNU General Public License
|
|
alpar@9
|
649 along with this program. If not, see <http://www.gnu.org/licenses/>.
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alpar@9
|
650
|
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|
651 Also add information on how to contact you by electronic and paper mail.
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|
alpar@9
|
652
|
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|
653 If the program does terminal interaction, make it output a short
|
|
alpar@9
|
654 notice like this when it starts in an interactive mode:
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|
655
|
|
alpar@9
|
656 <program> Copyright (C) <year> <name of author>
|
|
alpar@9
|
657 This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
|
|
alpar@9
|
658 This is free software, and you are welcome to redistribute it
|
|
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|
659 under certain conditions; type `show c' for details.
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|
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|
660
|
|
alpar@9
|
661 The hypothetical commands `show w' and `show c' should show the appropriate
|
|
alpar@9
|
662 parts of the General Public License. Of course, your program's commands
|
|
alpar@9
|
663 might be different; for a GUI interface, you would use an "about box".
|
|
alpar@9
|
664
|
|
alpar@9
|
665 You should also get your employer (if you work as a programmer) or school,
|
|
alpar@9
|
666 if any, to sign a "copyright disclaimer" for the program, if necessary.
|
|
alpar@9
|
667 For more information on this, and how to apply and follow the GNU GPL, see
|
|
alpar@9
|
668 <http://www.gnu.org/licenses/>.
|
|
alpar@9
|
669
|
|
alpar@9
|
670 The GNU General Public License does not permit incorporating your program
|
|
alpar@9
|
671 into proprietary programs. If your program is a subroutine library, you
|
|
alpar@9
|
672 may consider it more useful to permit linking proprietary applications with
|
|
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|
673 the library. If this is what you want to do, use the GNU Lesser General
|
|
alpar@9
|
674 Public License instead of this License. But first, please read
|
|
alpar@9
|
675 <http://www.gnu.org/philosophy/why-not-lgpl.html>.
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|
676
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