Annotation of embedaddon/readline/doc/fdl.texi, revision 1.1

1.1     ! misho       1: @c The GNU Free Documentation License.
        !             2: @center Version 1.3, 3 November 2008
        !             3: 
        !             4: @c This file is intended to be included within another document,
        !             5: @c hence no sectioning command or @node.
        !             6: 
        !             7: @display
        !             8: Copyright @copyright{} 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc.
        !             9: @uref{http://fsf.org/}
        !            10: 
        !            11: Everyone is permitted to copy and distribute verbatim copies
        !            12: of this license document, but changing it is not allowed.
        !            13: @end display
        !            14: 
        !            15: @enumerate 0
        !            16: @item
        !            17: PREAMBLE
        !            18: 
        !            19: The purpose of this License is to make a manual, textbook, or other
        !            20: functional and useful document @dfn{free} in the sense of freedom: to
        !            21: assure everyone the effective freedom to copy and redistribute it,
        !            22: with or without modifying it, either commercially or noncommercially.
        !            23: Secondarily, this License preserves for the author and publisher a way
        !            24: to get credit for their work, while not being considered responsible
        !            25: for modifications made by others.
        !            26: 
        !            27: This License is a kind of ``copyleft'', which means that derivative
        !            28: works of the document must themselves be free in the same sense.  It
        !            29: complements the GNU General Public License, which is a copyleft
        !            30: license designed for free software.
        !            31: 
        !            32: We have designed this License in order to use it for manuals for free
        !            33: software, because free software needs free documentation: a free
        !            34: program should come with manuals providing the same freedoms that the
        !            35: software does.  But this License is not limited to software manuals;
        !            36: it can be used for any textual work, regardless of subject matter or
        !            37: whether it is published as a printed book.  We recommend this License
        !            38: principally for works whose purpose is instruction or reference.
        !            39: 
        !            40: @item
        !            41: APPLICABILITY AND DEFINITIONS
        !            42: 
        !            43: This License applies to any manual or other work, in any medium, that
        !            44: contains a notice placed by the copyright holder saying it can be
        !            45: distributed under the terms of this License.  Such a notice grants a
        !            46: world-wide, royalty-free license, unlimited in duration, to use that
        !            47: work under the conditions stated herein.  The ``Document'', below,
        !            48: refers to any such manual or work.  Any member of the public is a
        !            49: licensee, and is addressed as ``you''.  You accept the license if you
        !            50: copy, modify or distribute the work in a way requiring permission
        !            51: under copyright law.
        !            52: 
        !            53: A ``Modified Version'' of the Document means any work containing the
        !            54: Document or a portion of it, either copied verbatim, or with
        !            55: modifications and/or translated into another language.
        !            56: 
        !            57: A ``Secondary Section'' is a named appendix or a front-matter section
        !            58: of the Document that deals exclusively with the relationship of the
        !            59: publishers or authors of the Document to the Document's overall
        !            60: subject (or to related matters) and contains nothing that could fall
        !            61: directly within that overall subject.  (Thus, if the Document is in
        !            62: part a textbook of mathematics, a Secondary Section may not explain
        !            63: any mathematics.)  The relationship could be a matter of historical
        !            64: connection with the subject or with related matters, or of legal,
        !            65: commercial, philosophical, ethical or political position regarding
        !            66: them.
        !            67: 
        !            68: The ``Invariant Sections'' are certain Secondary Sections whose titles
        !            69: are designated, as being those of Invariant Sections, in the notice
        !            70: that says that the Document is released under this License.  If a
        !            71: section does not fit the above definition of Secondary then it is not
        !            72: allowed to be designated as Invariant.  The Document may contain zero
        !            73: Invariant Sections.  If the Document does not identify any Invariant
        !            74: Sections then there are none.
        !            75: 
        !            76: The ``Cover Texts'' are certain short passages of text that are listed,
        !            77: as Front-Cover Texts or Back-Cover Texts, in the notice that says that
        !            78: the Document is released under this License.  A Front-Cover Text may
        !            79: be at most 5 words, and a Back-Cover Text may be at most 25 words.
        !            80: 
        !            81: A ``Transparent'' copy of the Document means a machine-readable copy,
        !            82: represented in a format whose specification is available to the
        !            83: general public, that is suitable for revising the document
        !            84: straightforwardly with generic text editors or (for images composed of
        !            85: pixels) generic paint programs or (for drawings) some widely available
        !            86: drawing editor, and that is suitable for input to text formatters or
        !            87: for automatic translation to a variety of formats suitable for input
        !            88: to text formatters.  A copy made in an otherwise Transparent file
        !            89: format whose markup, or absence of markup, has been arranged to thwart
        !            90: or discourage subsequent modification by readers is not Transparent.
        !            91: An image format is not Transparent if used for any substantial amount
        !            92: of text.  A copy that is not ``Transparent'' is called ``Opaque''.
        !            93: 
        !            94: Examples of suitable formats for Transparent copies include plain
        !            95: @sc{ascii} without markup, Texinfo input format, La@TeX{} input
        !            96: format, @acronym{SGML} or @acronym{XML} using a publicly available
        !            97: @acronym{DTD}, and standard-conforming simple @acronym{HTML},
        !            98: PostScript or @acronym{PDF} designed for human modification.  Examples
        !            99: of transparent image formats include @acronym{PNG}, @acronym{XCF} and
        !           100: @acronym{JPG}.  Opaque formats include proprietary formats that can be
        !           101: read and edited only by proprietary word processors, @acronym{SGML} or
        !           102: @acronym{XML} for which the @acronym{DTD} and/or processing tools are
        !           103: not generally available, and the machine-generated @acronym{HTML},
        !           104: PostScript or @acronym{PDF} produced by some word processors for
        !           105: output purposes only.
        !           106: 
        !           107: The ``Title Page'' means, for a printed book, the title page itself,
        !           108: plus such following pages as are needed to hold, legibly, the material
        !           109: this License requires to appear in the title page.  For works in
        !           110: formats which do not have any title page as such, ``Title Page'' means
        !           111: the text near the most prominent appearance of the work's title,
        !           112: preceding the beginning of the body of the text.
        !           113: 
        !           114: The ``publisher'' means any person or entity that distributes copies
        !           115: of the Document to the public.
        !           116: 
        !           117: A section ``Entitled XYZ'' means a named subunit of the Document whose
        !           118: title either is precisely XYZ or contains XYZ in parentheses following
        !           119: text that translates XYZ in another language.  (Here XYZ stands for a
        !           120: specific section name mentioned below, such as ``Acknowledgements'',
        !           121: ``Dedications'', ``Endorsements'', or ``History''.)  To ``Preserve the Title''
        !           122: of such a section when you modify the Document means that it remains a
        !           123: section ``Entitled XYZ'' according to this definition.
        !           124: 
        !           125: The Document may include Warranty Disclaimers next to the notice which
        !           126: states that this License applies to the Document.  These Warranty
        !           127: Disclaimers are considered to be included by reference in this
        !           128: License, but only as regards disclaiming warranties: any other
        !           129: implication that these Warranty Disclaimers may have is void and has
        !           130: no effect on the meaning of this License.
        !           131: 
        !           132: @item
        !           133: VERBATIM COPYING
        !           134: 
        !           135: You may copy and distribute the Document in any medium, either
        !           136: commercially or noncommercially, provided that this License, the
        !           137: copyright notices, and the license notice saying this License applies
        !           138: to the Document are reproduced in all copies, and that you add no other
        !           139: conditions whatsoever to those of this License.  You may not use
        !           140: technical measures to obstruct or control the reading or further
        !           141: copying of the copies you make or distribute.  However, you may accept
        !           142: compensation in exchange for copies.  If you distribute a large enough
        !           143: number of copies you must also follow the conditions in section 3.
        !           144: 
        !           145: You may also lend copies, under the same conditions stated above, and
        !           146: you may publicly display copies.
        !           147: 
        !           148: @item
        !           149: COPYING IN QUANTITY
        !           150: 
        !           151: If you publish printed copies (or copies in media that commonly have
        !           152: printed covers) of the Document, numbering more than 100, and the
        !           153: Document's license notice requires Cover Texts, you must enclose the
        !           154: copies in covers that carry, clearly and legibly, all these Cover
        !           155: Texts: Front-Cover Texts on the front cover, and Back-Cover Texts on
        !           156: the back cover.  Both covers must also clearly and legibly identify
        !           157: you as the publisher of these copies.  The front cover must present
        !           158: the full title with all words of the title equally prominent and
        !           159: visible.  You may add other material on the covers in addition.
        !           160: Copying with changes limited to the covers, as long as they preserve
        !           161: the title of the Document and satisfy these conditions, can be treated
        !           162: as verbatim copying in other respects.
        !           163: 
        !           164: If the required texts for either cover are too voluminous to fit
        !           165: legibly, you should put the first ones listed (as many as fit
        !           166: reasonably) on the actual cover, and continue the rest onto adjacent
        !           167: pages.
        !           168: 
        !           169: If you publish or distribute Opaque copies of the Document numbering
        !           170: more than 100, you must either include a machine-readable Transparent
        !           171: copy along with each Opaque copy, or state in or with each Opaque copy
        !           172: a computer-network location from which the general network-using
        !           173: public has access to download using public-standard network protocols
        !           174: a complete Transparent copy of the Document, free of added material.
        !           175: If you use the latter option, you must take reasonably prudent steps,
        !           176: when you begin distribution of Opaque copies in quantity, to ensure
        !           177: that this Transparent copy will remain thus accessible at the stated
        !           178: location until at least one year after the last time you distribute an
        !           179: Opaque copy (directly or through your agents or retailers) of that
        !           180: edition to the public.
        !           181: 
        !           182: It is requested, but not required, that you contact the authors of the
        !           183: Document well before redistributing any large number of copies, to give
        !           184: them a chance to provide you with an updated version of the Document.
        !           185: 
        !           186: @item
        !           187: MODIFICATIONS
        !           188: 
        !           189: You may copy and distribute a Modified Version of the Document under
        !           190: the conditions of sections 2 and 3 above, provided that you release
        !           191: the Modified Version under precisely this License, with the Modified
        !           192: Version filling the role of the Document, thus licensing distribution
        !           193: and modification of the Modified Version to whoever possesses a copy
        !           194: of it.  In addition, you must do these things in the Modified Version:
        !           195: 
        !           196: @enumerate A
        !           197: @item
        !           198: Use in the Title Page (and on the covers, if any) a title distinct
        !           199: from that of the Document, and from those of previous versions
        !           200: (which should, if there were any, be listed in the History section
        !           201: of the Document).  You may use the same title as a previous version
        !           202: if the original publisher of that version gives permission.
        !           203: 
        !           204: @item
        !           205: List on the Title Page, as authors, one or more persons or entities
        !           206: responsible for authorship of the modifications in the Modified
        !           207: Version, together with at least five of the principal authors of the
        !           208: Document (all of its principal authors, if it has fewer than five),
        !           209: unless they release you from this requirement.
        !           210: 
        !           211: @item
        !           212: State on the Title page the name of the publisher of the
        !           213: Modified Version, as the publisher.
        !           214: 
        !           215: @item
        !           216: Preserve all the copyright notices of the Document.
        !           217: 
        !           218: @item
        !           219: Add an appropriate copyright notice for your modifications
        !           220: adjacent to the other copyright notices.
        !           221: 
        !           222: @item
        !           223: Include, immediately after the copyright notices, a license notice
        !           224: giving the public permission to use the Modified Version under the
        !           225: terms of this License, in the form shown in the Addendum below.
        !           226: 
        !           227: @item
        !           228: Preserve in that license notice the full lists of Invariant Sections
        !           229: and required Cover Texts given in the Document's license notice.
        !           230: 
        !           231: @item
        !           232: Include an unaltered copy of this License.
        !           233: 
        !           234: @item
        !           235: Preserve the section Entitled ``History'', Preserve its Title, and add
        !           236: to it an item stating at least the title, year, new authors, and
        !           237: publisher of the Modified Version as given on the Title Page.  If
        !           238: there is no section Entitled ``History'' in the Document, create one
        !           239: stating the title, year, authors, and publisher of the Document as
        !           240: given on its Title Page, then add an item describing the Modified
        !           241: Version as stated in the previous sentence.
        !           242: 
        !           243: @item
        !           244: Preserve the network location, if any, given in the Document for
        !           245: public access to a Transparent copy of the Document, and likewise
        !           246: the network locations given in the Document for previous versions
        !           247: it was based on.  These may be placed in the ``History'' section.
        !           248: You may omit a network location for a work that was published at
        !           249: least four years before the Document itself, or if the original
        !           250: publisher of the version it refers to gives permission.
        !           251: 
        !           252: @item
        !           253: For any section Entitled ``Acknowledgements'' or ``Dedications'', Preserve
        !           254: the Title of the section, and preserve in the section all the
        !           255: substance and tone of each of the contributor acknowledgements and/or
        !           256: dedications given therein.
        !           257: 
        !           258: @item
        !           259: Preserve all the Invariant Sections of the Document,
        !           260: unaltered in their text and in their titles.  Section numbers
        !           261: or the equivalent are not considered part of the section titles.
        !           262: 
        !           263: @item
        !           264: Delete any section Entitled ``Endorsements''.  Such a section
        !           265: may not be included in the Modified Version.
        !           266: 
        !           267: @item
        !           268: Do not retitle any existing section to be Entitled ``Endorsements'' or
        !           269: to conflict in title with any Invariant Section.
        !           270: 
        !           271: @item
        !           272: Preserve any Warranty Disclaimers.
        !           273: @end enumerate
        !           274: 
        !           275: If the Modified Version includes new front-matter sections or
        !           276: appendices that qualify as Secondary Sections and contain no material
        !           277: copied from the Document, you may at your option designate some or all
        !           278: of these sections as invariant.  To do this, add their titles to the
        !           279: list of Invariant Sections in the Modified Version's license notice.
        !           280: These titles must be distinct from any other section titles.
        !           281: 
        !           282: You may add a section Entitled ``Endorsements'', provided it contains
        !           283: nothing but endorsements of your Modified Version by various
        !           284: parties---for example, statements of peer review or that the text has
        !           285: been approved by an organization as the authoritative definition of a
        !           286: standard.
        !           287: 
        !           288: You may add a passage of up to five words as a Front-Cover Text, and a
        !           289: passage of up to 25 words as a Back-Cover Text, to the end of the list
        !           290: of Cover Texts in the Modified Version.  Only one passage of
        !           291: Front-Cover Text and one of Back-Cover Text may be added by (or
        !           292: through arrangements made by) any one entity.  If the Document already
        !           293: includes a cover text for the same cover, previously added by you or
        !           294: by arrangement made by the same entity you are acting on behalf of,
        !           295: you may not add another; but you may replace the old one, on explicit
        !           296: permission from the previous publisher that added the old one.
        !           297: 
        !           298: The author(s) and publisher(s) of the Document do not by this License
        !           299: give permission to use their names for publicity for or to assert or
        !           300: imply endorsement of any Modified Version.
        !           301: 
        !           302: @item
        !           303: COMBINING DOCUMENTS
        !           304: 
        !           305: You may combine the Document with other documents released under this
        !           306: License, under the terms defined in section 4 above for modified
        !           307: versions, provided that you include in the combination all of the
        !           308: Invariant Sections of all of the original documents, unmodified, and
        !           309: list them all as Invariant Sections of your combined work in its
        !           310: license notice, and that you preserve all their Warranty Disclaimers.
        !           311: 
        !           312: The combined work need only contain one copy of this License, and
        !           313: multiple identical Invariant Sections may be replaced with a single
        !           314: copy.  If there are multiple Invariant Sections with the same name but
        !           315: different contents, make the title of each such section unique by
        !           316: adding at the end of it, in parentheses, the name of the original
        !           317: author or publisher of that section if known, or else a unique number.
        !           318: Make the same adjustment to the section titles in the list of
        !           319: Invariant Sections in the license notice of the combined work.
        !           320: 
        !           321: In the combination, you must combine any sections Entitled ``History''
        !           322: in the various original documents, forming one section Entitled
        !           323: ``History''; likewise combine any sections Entitled ``Acknowledgements'',
        !           324: and any sections Entitled ``Dedications''.  You must delete all
        !           325: sections Entitled ``Endorsements.''
        !           326: 
        !           327: @item
        !           328: COLLECTIONS OF DOCUMENTS
        !           329: 
        !           330: You may make a collection consisting of the Document and other documents
        !           331: released under this License, and replace the individual copies of this
        !           332: License in the various documents with a single copy that is included in
        !           333: the collection, provided that you follow the rules of this License for
        !           334: verbatim copying of each of the documents in all other respects.
        !           335: 
        !           336: You may extract a single document from such a collection, and distribute
        !           337: it individually under this License, provided you insert a copy of this
        !           338: License into the extracted document, and follow this License in all
        !           339: other respects regarding verbatim copying of that document.
        !           340: 
        !           341: @item
        !           342: AGGREGATION WITH INDEPENDENT WORKS
        !           343: 
        !           344: A compilation of the Document or its derivatives with other separate
        !           345: and independent documents or works, in or on a volume of a storage or
        !           346: distribution medium, is called an ``aggregate'' if the copyright
        !           347: resulting from the compilation is not used to limit the legal rights
        !           348: of the compilation's users beyond what the individual works permit.
        !           349: When the Document is included in an aggregate, this License does not
        !           350: apply to the other works in the aggregate which are not themselves
        !           351: derivative works of the Document.
        !           352: 
        !           353: If the Cover Text requirement of section 3 is applicable to these
        !           354: copies of the Document, then if the Document is less than one half of
        !           355: the entire aggregate, the Document's Cover Texts may be placed on
        !           356: covers that bracket the Document within the aggregate, or the
        !           357: electronic equivalent of covers if the Document is in electronic form.
        !           358: Otherwise they must appear on printed covers that bracket the whole
        !           359: aggregate.
        !           360: 
        !           361: @item
        !           362: TRANSLATION
        !           363: 
        !           364: Translation is considered a kind of modification, so you may
        !           365: distribute translations of the Document under the terms of section 4.
        !           366: Replacing Invariant Sections with translations requires special
        !           367: permission from their copyright holders, but you may include
        !           368: translations of some or all Invariant Sections in addition to the
        !           369: original versions of these Invariant Sections.  You may include a
        !           370: translation of this License, and all the license notices in the
        !           371: Document, and any Warranty Disclaimers, provided that you also include
        !           372: the original English version of this License and the original versions
        !           373: of those notices and disclaimers.  In case of a disagreement between
        !           374: the translation and the original version of this License or a notice
        !           375: or disclaimer, the original version will prevail.
        !           376: 
        !           377: If a section in the Document is Entitled ``Acknowledgements'',
        !           378: ``Dedications'', or ``History'', the requirement (section 4) to Preserve
        !           379: its Title (section 1) will typically require changing the actual
        !           380: title.
        !           381: 
        !           382: @item
        !           383: TERMINATION
        !           384: 
        !           385: You may not copy, modify, sublicense, or distribute the Document
        !           386: except as expressly provided under this License.  Any attempt
        !           387: otherwise to copy, modify, sublicense, or distribute it is void, and
        !           388: will automatically terminate your rights under this License.
        !           389: 
        !           390: However, if you cease all violation of this License, then your license
        !           391: from a particular copyright holder is reinstated (a) provisionally,
        !           392: unless and until the copyright holder explicitly and finally
        !           393: terminates your license, and (b) permanently, if the copyright holder
        !           394: fails to notify you of the violation by some reasonable means prior to
        !           395: 60 days after the cessation.
        !           396: 
        !           397: Moreover, your license from a particular copyright holder is
        !           398: reinstated permanently if the copyright holder notifies you of the
        !           399: violation by some reasonable means, this is the first time you have
        !           400: received notice of violation of this License (for any work) from that
        !           401: copyright holder, and you cure the violation prior to 30 days after
        !           402: your receipt of the notice.
        !           403: 
        !           404: Termination of your rights under this section does not terminate the
        !           405: licenses of parties who have received copies or rights from you under
        !           406: this License.  If your rights have been terminated and not permanently
        !           407: reinstated, receipt of a copy of some or all of the same material does
        !           408: not give you any rights to use it.
        !           409: 
        !           410: @item
        !           411: FUTURE REVISIONS OF THIS LICENSE
        !           412: 
        !           413: The Free Software Foundation may publish new, revised versions
        !           414: of the GNU Free Documentation License from time to time.  Such new
        !           415: versions will be similar in spirit to the present version, but may
        !           416: differ in detail to address new problems or concerns.  See
        !           417: @uref{http://www.gnu.org/copyleft/}.
        !           418: 
        !           419: Each version of the License is given a distinguishing version number.
        !           420: If the Document specifies that a particular numbered version of this
        !           421: License ``or any later version'' applies to it, you have the option of
        !           422: following the terms and conditions either of that specified version or
        !           423: of any later version that has been published (not as a draft) by the
        !           424: Free Software Foundation.  If the Document does not specify a version
        !           425: number of this License, you may choose any version ever published (not
        !           426: as a draft) by the Free Software Foundation.  If the Document
        !           427: specifies that a proxy can decide which future versions of this
        !           428: License can be used, that proxy's public statement of acceptance of a
        !           429: version permanently authorizes you to choose that version for the
        !           430: Document.
        !           431: 
        !           432: @item
        !           433: RELICENSING
        !           434: 
        !           435: ``Massive Multiauthor Collaboration Site'' (or ``MMC Site'') means any
        !           436: World Wide Web server that publishes copyrightable works and also
        !           437: provides prominent facilities for anybody to edit those works.  A
        !           438: public wiki that anybody can edit is an example of such a server.  A
        !           439: ``Massive Multiauthor Collaboration'' (or ``MMC'') contained in the
        !           440: site means any set of copyrightable works thus published on the MMC
        !           441: site.
        !           442: 
        !           443: ``CC-BY-SA'' means the Creative Commons Attribution-Share Alike 3.0
        !           444: license published by Creative Commons Corporation, a not-for-profit
        !           445: corporation with a principal place of business in San Francisco,
        !           446: California, as well as future copyleft versions of that license
        !           447: published by that same organization.
        !           448: 
        !           449: ``Incorporate'' means to publish or republish a Document, in whole or
        !           450: in part, as part of another Document.
        !           451: 
        !           452: An MMC is ``eligible for relicensing'' if it is licensed under this
        !           453: License, and if all works that were first published under this License
        !           454: somewhere other than this MMC, and subsequently incorporated in whole
        !           455: or in part into the MMC, (1) had no cover texts or invariant sections,
        !           456: and (2) were thus incorporated prior to November 1, 2008.
        !           457: 
        !           458: The operator of an MMC Site may republish an MMC contained in the site
        !           459: under CC-BY-SA on the same site at any time before August 1, 2009,
        !           460: provided the MMC is eligible for relicensing.
        !           461: 
        !           462: @end enumerate
        !           463: 
        !           464: @page
        !           465: @heading ADDENDUM: How to use this License for your documents
        !           466: 
        !           467: To use this License in a document you have written, include a copy of
        !           468: the License in the document and put the following copyright and
        !           469: license notices just after the title page:
        !           470: 
        !           471: @smallexample
        !           472: @group
        !           473:   Copyright (C)  @var{year}  @var{your name}.
        !           474:   Permission is granted to copy, distribute and/or modify this document
        !           475:   under the terms of the GNU Free Documentation License, Version 1.3
        !           476:   or any later version published by the Free Software Foundation;
        !           477:   with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
        !           478:   Texts.  A copy of the license is included in the section entitled ``GNU
        !           479:   Free Documentation License''.
        !           480: @end group
        !           481: @end smallexample
        !           482: 
        !           483: If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts,
        !           484: replace the ``with@dots{}Texts.'' line with this:
        !           485: 
        !           486: @smallexample
        !           487: @group
        !           488:     with the Invariant Sections being @var{list their titles}, with
        !           489:     the Front-Cover Texts being @var{list}, and with the Back-Cover Texts
        !           490:     being @var{list}.
        !           491: @end group
        !           492: @end smallexample
        !           493: 
        !           494: If you have Invariant Sections without Cover Texts, or some other
        !           495: combination of the three, merge those two alternatives to suit the
        !           496: situation.
        !           497: 
        !           498: If your document contains nontrivial examples of program code, we
        !           499: recommend releasing these examples in parallel under your choice of
        !           500: free software license, such as the GNU General Public License,
        !           501: to permit their use in free software.
        !           502: 
        !           503: @c Local Variables:
        !           504: @c ispell-local-pdict: "ispell-dict"
        !           505: @c End:
        !           506: 

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