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Licenses/GNU FDL 1.2: Difference between revisions
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The license places some key [[permissible restrictions|restrictions]] on those freedoms: | The license places some key [[permissible restrictions|restrictions]] on those freedoms: | ||
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=== Copy of the License === | === Copy of the License === | ||
You must include an unaltered copy of the license with every verbatim or modified copy of the work. | You must include an unaltered copy of the license with every verbatim or modified copy of the work. | ||
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== Legal code == | == Legal code == | ||
The above human readable summary does not constitute an actual grant of license; please review http://www.gnu.org/licenses/fdl-1.2.html for the legal code of the license. When distributing a work, it must be accompanied with the full text of the actual license. | The above human readable summary does not constitute an actual grant of license; please review http://www.gnu.org/licenses/fdl-1.2.html for the legal code of the license. When distributing a work, it must be accompanied with the full text of the actual license. | ||
Latest revision as of 07:45, 14 October 2022
The GNU Free Documentation License is the license created by the Free Software Foundation and the GNU Project in order to be used for software documentation.
A work licensed in this way grants all the four freedoms listed in the definition of free cultural works:
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The freedom to use and perform the work: The licensee must be allowed to make any use, private or public, of the work. For kinds of works where it is relevant, this freedom should include all derived uses ("related rights") such as performing or interpreting the work. There must be no exception regarding, for example, political or religious considerations. |
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The freedom to study the work and apply the information: The licensee must be allowed to examine the work and to use the knowledge gained from the work in any way. The license may not, for example, restrict "reverse engineering". |
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The freedom to redistribute copies: Copies may be sold, swapped or given away for free, as part of a larger work, a collection, or independently. There must be no limit on the amount of information that can be copied. There must also not be any limit on who can copy the information or on where the information can be copied. |
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The freedom to distribute derivative works: In order to give everyone the ability to improve upon a work, the license must not limit the freedom to distribute a modified version (or, for physical works, a work somehow derived from the original), regardless of the intent and purpose of such modifications. However, some restrictions may be applied to protect these essential freedoms or the attribution of authors. |
The license places some key restrictions on those freedoms:
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No DRM or TPM[edit]You must not restrict access to the work using technical measures, or otherwise attempt to impose limitations on the freedoms above. |
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Attribution[edit]You must give proper attribution to the author and retain the license notice. |
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Copyleft[edit]You must release derivative works under an identical or similar license |
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Invariant sections[edit]Invariant sections are a special provision of the GFDL which, if used, prevent anyone from modifying the parts of the work which are defined as "invariant". |
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Source Code[edit]When the work or part of it is generated by computation from a modifiable structured form as Source Code (e.g. textual), it must be made available to recipients of the work. |
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Copy of the License[edit]You must include an unaltered copy of the license with every verbatim or modified copy of the work. |
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Legal code[edit]
The above human readable summary does not constitute an actual grant of license; please review http://www.gnu.org/licenses/fdl-1.2.html for the legal code of the license. When distributing a work, it must be accompanied with the full text of the actual license.