Annotation of embedaddon/readline/doc/fdl.texi, revision 1.1.1.1

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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