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annotate LICENSE @ 21920:b7cac8d181c3

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Added tag v8.2.1509 for changeset ebc6d07840fdafd11d7d41baff370c0c2b143fb0
author Bram Moolenaar <Bram@vim.org>
date Sat, 22 Aug 2020 17:30:04 +0200
parents 9185ddf4cded
children 4027cefc2aab
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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19089
9185ddf4cded patch 8.2.0105: Vim license not easy to find on github
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1 VIM LICENSE
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2
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3 I) There are no restrictions on distributing unmodified copies of Vim except
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4 that they must include this license text. You can also distribute
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5 unmodified parts of Vim, likewise unrestricted except that they must
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6 include this license text. You are also allowed to include executables
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7 that you made from the unmodified Vim sources, plus your own usage
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8 examples and Vim scripts.
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9
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10 II) It is allowed to distribute a modified (or extended) version of Vim,
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11 including executables and/or source code, when the following four
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12 conditions are met:
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13 1) This license text must be included unmodified.
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14 2) The modified Vim must be distributed in one of the following five ways:
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15 a) If you make changes to Vim yourself, you must clearly describe in
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16 the distribution how to contact you. When the maintainer asks you
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17 (in any way) for a copy of the modified Vim you distributed, you
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18 must make your changes, including source code, available to the
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19 maintainer without fee. The maintainer reserves the right to
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20 include your changes in the official version of Vim. What the
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21 maintainer will do with your changes and under what license they
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22 will be distributed is negotiable. If there has been no negotiation
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23 then this license, or a later version, also applies to your changes.
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24 The current maintainer is Bram Moolenaar <Bram@vim.org>. If this
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25 changes it will be announced in appropriate places (most likely
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26 vim.sf.net, www.vim.org and/or comp.editors). When it is completely
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27 impossible to contact the maintainer, the obligation to send him
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28 your changes ceases. Once the maintainer has confirmed that he has
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29 received your changes they will not have to be sent again.
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30 b) If you have received a modified Vim that was distributed as
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31 mentioned under a) you are allowed to further distribute it
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32 unmodified, as mentioned at I). If you make additional changes the
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33 text under a) applies to those changes.
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34 c) Provide all the changes, including source code, with every copy of
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35 the modified Vim you distribute. This may be done in the form of a
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36 context diff. You can choose what license to use for new code you
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37 add. The changes and their license must not restrict others from
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38 making their own changes to the official version of Vim.
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39 d) When you have a modified Vim which includes changes as mentioned
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40 under c), you can distribute it without the source code for the
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41 changes if the following three conditions are met:
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42 - The license that applies to the changes permits you to distribute
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43 the changes to the Vim maintainer without fee or restriction, and
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44 permits the Vim maintainer to include the changes in the official
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45 version of Vim without fee or restriction.
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46 - You keep the changes for at least three years after last
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47 distributing the corresponding modified Vim. When the maintainer
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48 or someone who you distributed the modified Vim to asks you (in
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49 any way) for the changes within this period, you must make them
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50 available to him.
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51 - You clearly describe in the distribution how to contact you. This
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52 contact information must remain valid for at least three years
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53 after last distributing the corresponding modified Vim, or as long
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54 as possible.
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55 e) When the GNU General Public License (GPL) applies to the changes,
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56 you can distribute the modified Vim under the GNU GPL version 2 or
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57 any later version.
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58 3) A message must be added, at least in the output of the ":version"
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59 command and in the intro screen, such that the user of the modified Vim
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60 is able to see that it was modified. When distributing as mentioned
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61 under 2)e) adding the message is only required for as far as this does
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62 not conflict with the license used for the changes.
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63 4) The contact information as required under 2)a) and 2)d) must not be
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64 removed or changed, except that the person himself can make
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65 corrections.
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66
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67 III) If you distribute a modified version of Vim, you are encouraged to use
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68 the Vim license for your changes and make them available to the
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69 maintainer, including the source code. The preferred way to do this is
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70 by e-mail or by uploading the files to a server and e-mailing the URL.
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71 If the number of changes is small (e.g., a modified Makefile) e-mailing a
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72 context diff will do. The e-mail address to be used is
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73 <maintainer@vim.org>
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74
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75 IV) It is not allowed to remove this license from the distribution of the Vim
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76 sources, parts of it or from a modified version. You may use this
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77 license for previous Vim releases instead of the license that they came
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78 with, at your option.