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+I) There are no restrictions on distributing unmodified copies of Vim except
+ that they must include this license text. You can also distribute
+ unmodified parts of Vim, likewise unrestricted except that they must
+ include this license text. You are also allowed to include executables
+ that you made from the unmodified Vim sources, plus your own usage
+ examples and Vim scripts.
+
+II) It is allowed to distribute a modified (or extended) version of Vim,
+ including executables and/or source code, when the following four
+ conditions are met:
+ 1) This license text must be included unmodified.
+ 2) The modified Vim must be distributed in one of the following five ways:
+ a) If you make changes to Vim yourself, you must clearly describe in
+ the distribution how to contact you. When the maintainer asks you
+ (in any way) for a copy of the modified Vim you distributed, you
+ must make your changes, including source code, available to the
+ maintainer without fee. The maintainer reserves the right to
+ include your changes in the official version of Vim. What the
+ maintainer will do with your changes and under what license they
+ will be distributed is negotiable. If there has been no negotiation
+ then this license, or a later version, also applies to your changes.
+ The current maintainer is Bram Moolenaar <Bram@vim.org>. If this
+ changes it will be announced in appropriate places (most likely
+ vim.sf.net, www.vim.org and/or comp.editors). When it is completely
+ impossible to contact the maintainer, the obligation to send him
+ your changes ceases. Once the maintainer has confirmed that he has
+ received your changes they will not have to be sent again.
+ b) If you have received a modified Vim that was distributed as
+ mentioned under a) you are allowed to further distribute it
+ unmodified, as mentioned at I). If you make additional changes the
+ text under a) applies to those changes.
+ c) Provide all the changes, including source code, with every copy of
+ the modified Vim you distribute. This may be done in the form of a
+ context diff. You can choose what license to use for new code you
+ add. The changes and their license must not restrict others from
+ making their own changes to the official version of Vim.
+ d) When you have a modified Vim which includes changes as mentioned
+ under c), you can distribute it without the source code for the
+ changes if the following three conditions are met:
+ - The license that applies to the changes permits you to distribute
+ the changes to the Vim maintainer without fee or restriction, and
+ permits the Vim maintainer to include the changes in the official
+ version of Vim without fee or restriction.
+ - You keep the changes for at least three years after last
+ distributing the corresponding modified Vim. When the maintainer
+ or someone who you distributed the modified Vim to asks you (in
+ any way) for the changes within this period, you must make them
+ available to him.
+ - You clearly describe in the distribution how to contact you. This
+ contact information must remain valid for at least three years
+ after last distributing the corresponding modified Vim, or as long
+ as possible.
+ e) When the GNU General Public License (GPL) applies to the changes,
+ you can distribute the modified Vim under the GNU GPL version 2 or
+ any later version.
+ 3) A message must be added, at least in the output of the ":version"
+ command and in the intro screen, such that the user of the modified Vim
+ is able to see that it was modified. When distributing as mentioned
+ under 2)e) adding the message is only required for as far as this does
+ not conflict with the license used for the changes.
+ 4) The contact information as required under 2)a) and 2)d) must not be
+ removed or changed, except that the person himself can make
+ corrections.
+
+III) If you distribute a modified version of Vim, you are encouraged to use
+ the Vim license for your changes and make them available to the
+ maintainer, including the source code. The preferred way to do this is
+ by e-mail or by uploading the files to a server and e-mailing the URL.
+ If the number of changes is small (e.g., a modified Makefile) e-mailing a
+ context diff will do. The e-mail address to be used is
+ <maintainer@vim.org>
+
+IV) It is not allowed to remove this license from the distribution of the Vim
+ sources, parts of it or from a modified version. You may use this
+ license for previous Vim releases instead of the license that they came
+ with, at your option.
+
+On Debian systems the GNU General Public License (GPL) version 2 is located on
+the filesystem at /usr/share/common-licenses/GPL-2.
+
+The Vim user manual and reference manual are Copyright (c) 1988-2003 by Bram
+Moolenaar and are distributed under the Open Publication License, v1.0 or later
+(no license options are exercised):
+
+
+Open Publication License
+v1.0, 8 June 1999
+
+
+I. REQUIREMENTS ON BOTH UNMODIFIED AND MODIFIED VERSIONS
+
+The Open Publication works may be reproduced and distributed in whole or in
+part, in any medium physical or electronic, provided that the terms of this
+license are adhered to, and that this license or an incorporation of it by
+reference (with any options elected by the author(s) and/or publisher) is
+displayed in the reproduction.
+
+Proper form for an incorporation by reference is as follows:
+
+ Copyright (c) <year> by <author's name or designee>. This material may be
+ distributed only subject to the terms and conditions set forth in the Open
+ Publication License, vX.Y or later (the latest version is presently
+ available at http://www.opencontent.org/openpub/).
+
+The reference must be immediately followed with any options elected by the
+author(s) and/or publisher of the document (see section VI).
+
+Commercial redistribution of Open Publication-licensed material is permitted.
+
+Any publication in standard (paper) book form shall require the citation of the
+original publisher and author. The publisher and author's names shall appear on
+all outer surfaces of the book. On all outer surfaces of the book the original
+publisher's name shall be as large as the title of the work and cited as
+possessive with respect to the title.
+
+
+II. COPYRIGHT
+
+The copyright to each Open Publication is owned by its author(s) or designee.
+
+
+III. SCOPE OF LICENSE
+
+The following license terms apply to all Open Publication works, unless
+otherwise explicitly stated in the document.
+
+Mere aggregation of Open Publication works or a portion of an Open Publication
+work with other works or programs on the same media shall not cause this
+license to apply to those other works. The aggregate work shall contain a
+notice specifying the inclusion of the Open Publication material and
+appropriate copyright notice.
+
+SEVERABILITY. If any part of this license is found to be unenforceable in any
+jurisdiction, the remaining portions of the license remain in force.
+
+NO WARRANTY. Open Publication works are licensed and provided "as is" without
+warranty of any kind, express or implied, including, but not limited to, the
+implied warranties of merchantability and fitness for a particular purpose or a
+warranty of non-infringement.
+
+
+IV. REQUIREMENTS ON MODIFIED WORKS
+
+All modified versions of documents covered by this license, including
+translations, anthologies, compilations and partial documents, must meet the
+following requirements:
+
+ 1. The modified version must be labeled as such.
+ 2. The person making the modifications must be identified and the
+ modifications dated.
+ 3. Acknowledgement of the original author and publisher if applicable must
+ be retained according to normal academic citation practices.
+ 4. The location of the original unmodified document must be identified.
+ 5. The original author's (or authors') name(s) may not be used to assert or
+ imply endorsement of the resulting document without the original author's
+ (or authors') permission.
+
+
+V. GOOD-PRACTICE RECOMMENDATIONS
+
+In addition to the requirements of this license, it is requested from and
+strongly recommended of redistributors that:
+
+ 1. If you are distributing Open Publication works on hardcopy or CD-ROM, you
+ provide email notification to the authors of your intent to redistribute
+ at least thirty days before your manuscript or media freeze, to give the
+ authors time to provide updated documents. This notification should
+ describe modifications, if any, made to the document.
+ 2. All substantive modifications (including deletions) be either clearly
+ marked up in the document or else described in an attachment to the
+ document.
+ 3. Finally, while it is not mandatory under this license, it is considered
+ good form to offer a free copy of any hardcopy and CD-ROM expression of
+ an Open Publication-licensed work to its author(s).
+
+
+VI. LICENSE OPTIONS
+
+The author(s) and/or publisher of an Open Publication-licensed document may
+elect certain options by appending language to the reference to or copy of the
+license. These options are considered part of the license instance and must be
+included with the license (or its incorporation by reference) in derived works.
+
+A. To prohibit distribution of substantively modified versions without the
+explicit permission of the author(s). "Substantive modification" is defined as
+a change to the semantic content of the document, and excludes mere changes in
+format or typographical corrections.
+
+To accomplish this, add the phrase `Distribution of substantively modified
+versions of this document is prohibited without the explicit permission of the
+copyright holder.' to the license reference or copy.
+
+B. To prohibit any publication of this work or derivative works in whole or in
+part in standard (paper) book form for commercial purposes is prohibited unless
+prior permission is obtained from the copyright holder.
+
+To accomplish this, add the phrase 'Distribution of the work or derivative of
+the work in any standard (paper) book form is prohibited unless prior
+permission is obtained from the copyright holder.' to the license reference or
+copy.