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25 lines
1.4 KiB
Markdown
25 lines
1.4 KiB
Markdown
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# Licencing and copyright policy
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Except as noted, copyright in material in this repository (the "Package") is
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held by Graham Nelson (the "Author"), who retains copyright so that there is
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a single point of reference. On 28 April 2022, the Package was placed under the
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[Artistic License 2.0](https://opensource.org/licenses/Artistic-2.0).
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This is a highly permissive licence, used by Perl among other notable projects,
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recognised by the Open Source Initiative as open and by the Free Software
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Foundation as free in both senses.
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For the avoidance of doubt, the Author makes the further grant that users of
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the Package may make unlimited use of story files produced by the Package:
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such story files are not derivative works of Inform and do not inherit the
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Artistic License 2.0 as an obligation. (This further grant follows the
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practice of projects like `bison`, which also copy substantial code into
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their outputs.)
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A condition of any pull-request being made (i.e., to make suggested amendments
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to this software) is that, if the request is accepted, copyright on any contribution
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made by it immediately transfers to the project's copyright-holder, Graham Nelson.
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This is in order that there can be clear ownership. It does not apply to the
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programs duplicated here from other repositories (such as dumb-frotz) or to the
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Inform GUI apps: those have their own copyrights and licences.
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