Index: bison/src/bison/2.4.1/bison-2.4.1-src/doc/fdl.texi |
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+@c The GNU Free Documentation License. |
+@center Version 1.2, November 2002 |
+ |
+@c This file is intended to be included within another document, |
+@c hence no sectioning command or @node. |
+ |
+@display |
+Copyright @copyright{} 2000,2001,2002 Free Software Foundation, Inc. |
+51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
+ |
+Everyone is permitted to copy and distribute verbatim copies |
+of this license document, but changing it is not allowed. |
+@end display |
+ |
+@enumerate 0 |
+@item |
+PREAMBLE |
+ |
+The purpose of this License is to make a manual, textbook, or other |
+functional and useful document @dfn{free} in the sense of freedom: to |
+assure everyone the effective freedom to copy and redistribute it, |
+with or without modifying it, either commercially or noncommercially. |
+Secondarily, this License preserves for the author and publisher a way |
+to get credit for their work, while not being considered responsible |
+for modifications made by others. |
+ |
+This License is a kind of ``copyleft'', which means that derivative |
+works of the document must themselves be free in the same sense. It |
+complements the GNU General Public License, which is a copyleft |
+license designed for free software. |
+ |
+We have designed this License in order to use it for manuals for free |
+software, because free software needs free documentation: a free |
+program should come with manuals providing the same freedoms that the |
+software does. But this License is not limited to software manuals; |
+it can be used for any textual work, regardless of subject matter or |
+whether it is published as a printed book. We recommend this License |
+principally for works whose purpose is instruction or reference. |
+ |
+@item |
+APPLICABILITY AND DEFINITIONS |
+ |
+This License applies to any manual or other work, in any medium, that |
+contains a notice placed by the copyright holder saying it can be |
+distributed under the terms of this License. Such a notice grants a |
+world-wide, royalty-free license, unlimited in duration, to use that |
+work under the conditions stated herein. The ``Document'', below, |
+refers to any such manual or work. Any member of the public is a |
+licensee, and is addressed as ``you''. You accept the license if you |
+copy, modify or distribute the work in a way requiring permission |
+under copyright law. |
+ |
+A ``Modified Version'' of the Document means any work containing the |
+Document or a portion of it, either copied verbatim, or with |
+modifications and/or translated into another language. |
+ |
+A ``Secondary Section'' is a named appendix or a front-matter section |
+of the Document that deals exclusively with the relationship of the |
+publishers or authors of the Document to the Document's overall |
+subject (or to related matters) and contains nothing that could fall |
+directly within that overall subject. (Thus, if the Document is in |
+part a textbook of mathematics, a Secondary Section may not explain |
+any mathematics.) The relationship could be a matter of historical |
+connection with the subject or with related matters, or of legal, |
+commercial, philosophical, ethical or political position regarding |
+them. |
+ |
+The ``Invariant Sections'' are certain Secondary Sections whose titles |
+are designated, as being those of Invariant Sections, in the notice |
+that says that the Document is released under this License. If a |
+section does not fit the above definition of Secondary then it is not |
+allowed to be designated as Invariant. The Document may contain zero |
+Invariant Sections. If the Document does not identify any Invariant |
+Sections then there are none. |
+ |
+The ``Cover Texts'' are certain short passages of text that are listed, |
+as Front-Cover Texts or Back-Cover Texts, in the notice that says that |
+the Document is released under this License. A Front-Cover Text may |
+be at most 5 words, and a Back-Cover Text may be at most 25 words. |
+ |
+A ``Transparent'' copy of the Document means a machine-readable copy, |
+represented in a format whose specification is available to the |
+general public, that is suitable for revising the document |
+straightforwardly with generic text editors or (for images composed of |
+pixels) generic paint programs or (for drawings) some widely available |
+drawing editor, and that is suitable for input to text formatters or |
+for automatic translation to a variety of formats suitable for input |
+to text formatters. A copy made in an otherwise Transparent file |
+format whose markup, or absence of markup, has been arranged to thwart |
+or discourage subsequent modification by readers is not Transparent. |
+An image format is not Transparent if used for any substantial amount |
+of text. A copy that is not ``Transparent'' is called ``Opaque''. |
+ |
+Examples of suitable formats for Transparent copies include plain |
+@sc{ascii} without markup, Texinfo input format, La@TeX{} input |
+format, @acronym{SGML} or @acronym{XML} using a publicly available |
+@acronym{DTD}, and standard-conforming simple @acronym{HTML}, |
+PostScript or @acronym{PDF} designed for human modification. Examples |
+of transparent image formats include @acronym{PNG}, @acronym{XCF} and |
+@acronym{JPG}. Opaque formats include proprietary formats that can be |
+read and edited only by proprietary word processors, @acronym{SGML} or |
+@acronym{XML} for which the @acronym{DTD} and/or processing tools are |
+not generally available, and the machine-generated @acronym{HTML}, |
+PostScript or @acronym{PDF} produced by some word processors for |
+output purposes only. |
+ |
+The ``Title Page'' means, for a printed book, the title page itself, |
+plus such following pages as are needed to hold, legibly, the material |
+this License requires to appear in the title page. For works in |
+formats which do not have any title page as such, ``Title Page'' means |
+the text near the most prominent appearance of the work's title, |
+preceding the beginning of the body of the text. |
+ |
+A section ``Entitled XYZ'' means a named subunit of the Document whose |
+title either is precisely XYZ or contains XYZ in parentheses following |
+text that translates XYZ in another language. (Here XYZ stands for a |
+specific section name mentioned below, such as ``Acknowledgements'', |
+``Dedications'', ``Endorsements'', or ``History''.) To ``Preserve the Title'' |
+of such a section when you modify the Document means that it remains a |
+section ``Entitled XYZ'' according to this definition. |
+ |
+The Document may include Warranty Disclaimers next to the notice which |
+states that this License applies to the Document. These Warranty |
+Disclaimers are considered to be included by reference in this |
+License, but only as regards disclaiming warranties: any other |
+implication that these Warranty Disclaimers may have is void and has |
+no effect on the meaning of this License. |
+ |
+@item |
+VERBATIM COPYING |
+ |
+You may copy and distribute the Document in any medium, either |
+commercially or noncommercially, provided that this License, the |
+copyright notices, and the license notice saying this License applies |
+to the Document are reproduced in all copies, and that you add no other |
+conditions whatsoever to those of this License. You may not use |
+technical measures to obstruct or control the reading or further |
+copying of the copies you make or distribute. However, you may accept |
+compensation in exchange for copies. If you distribute a large enough |
+number of copies you must also follow the conditions in section 3. |
+ |
+You may also lend copies, under the same conditions stated above, and |
+you may publicly display copies. |
+ |
+@item |
+COPYING IN QUANTITY |
+ |
+If you publish printed copies (or copies in media that commonly have |
+printed covers) of the Document, numbering more than 100, and the |
+Document's license notice requires Cover Texts, you must enclose the |
+copies in covers that carry, clearly and legibly, all these Cover |
+Texts: Front-Cover Texts on the front cover, and Back-Cover Texts on |
+the back cover. Both covers must also clearly and legibly identify |
+you as the publisher of these copies. The front cover must present |
+the full title with all words of the title equally prominent and |
+visible. You may add other material on the covers in addition. |
+Copying with changes limited to the covers, as long as they preserve |
+the title of the Document and satisfy these conditions, can be treated |
+as verbatim copying in other respects. |
+ |
+If the required texts for either cover are too voluminous to fit |
+legibly, you should put the first ones listed (as many as fit |
+reasonably) on the actual cover, and continue the rest onto adjacent |
+pages. |
+ |
+If you publish or distribute Opaque copies of the Document numbering |
+more than 100, you must either include a machine-readable Transparent |
+copy along with each Opaque copy, or state in or with each Opaque copy |
+a computer-network location from which the general network-using |
+public has access to download using public-standard network protocols |
+a complete Transparent copy of the Document, free of added material. |
+If you use the latter option, you must take reasonably prudent steps, |
+when you begin distribution of Opaque copies in quantity, to ensure |
+that this Transparent copy will remain thus accessible at the stated |
+location until at least one year after the last time you distribute an |
+Opaque copy (directly or through your agents or retailers) of that |
+edition to the public. |
+ |
+It is requested, but not required, that you contact the authors of the |
+Document well before redistributing any large number of copies, to give |
+them a chance to provide you with an updated version of the Document. |
+ |
+@item |
+MODIFICATIONS |
+ |
+You may copy and distribute a Modified Version of the Document under |
+the conditions of sections 2 and 3 above, provided that you release |
+the Modified Version under precisely this License, with the Modified |
+Version filling the role of the Document, thus licensing distribution |
+and modification of the Modified Version to whoever possesses a copy |
+of it. In addition, you must do these things in the Modified Version: |
+ |
+@enumerate A |
+@item |
+Use in the Title Page (and on the covers, if any) a title distinct |
+from that of the Document, and from those of previous versions |
+(which should, if there were any, be listed in the History section |
+of the Document). You may use the same title as a previous version |
+if the original publisher of that version gives permission. |
+ |
+@item |
+List on the Title Page, as authors, one or more persons or entities |
+responsible for authorship of the modifications in the Modified |
+Version, together with at least five of the principal authors of the |
+Document (all of its principal authors, if it has fewer than five), |
+unless they release you from this requirement. |
+ |
+@item |
+State on the Title page the name of the publisher of the |
+Modified Version, as the publisher. |
+ |
+@item |
+Preserve all the copyright notices of the Document. |
+ |
+@item |
+Add an appropriate copyright notice for your modifications |
+adjacent to the other copyright notices. |
+ |
+@item |
+Include, immediately after the copyright notices, a license notice |
+giving the public permission to use the Modified Version under the |
+terms of this License, in the form shown in the Addendum below. |
+ |
+@item |
+Preserve in that license notice the full lists of Invariant Sections |
+and required Cover Texts given in the Document's license notice. |
+ |
+@item |
+Include an unaltered copy of this License. |
+ |
+@item |
+Preserve the section Entitled ``History'', Preserve its Title, and add |
+to it an item stating at least the title, year, new authors, and |
+publisher of the Modified Version as given on the Title Page. If |
+there is no section Entitled ``History'' in the Document, create one |
+stating the title, year, authors, and publisher of the Document as |
+given on its Title Page, then add an item describing the Modified |
+Version as stated in the previous sentence. |
+ |
+@item |
+Preserve the network location, if any, given in the Document for |
+public access to a Transparent copy of the Document, and likewise |
+the network locations given in the Document for previous versions |
+it was based on. These may be placed in the ``History'' section. |
+You may omit a network location for a work that was published at |
+least four years before the Document itself, or if the original |
+publisher of the version it refers to gives permission. |
+ |
+@item |
+For any section Entitled ``Acknowledgements'' or ``Dedications'', Preserve |
+the Title of the section, and preserve in the section all the |
+substance and tone of each of the contributor acknowledgements and/or |
+dedications given therein. |
+ |
+@item |
+Preserve all the Invariant Sections of the Document, |
+unaltered in their text and in their titles. Section numbers |
+or the equivalent are not considered part of the section titles. |
+ |
+@item |
+Delete any section Entitled ``Endorsements''. Such a section |
+may not be included in the Modified Version. |
+ |
+@item |
+Do not retitle any existing section to be Entitled ``Endorsements'' or |
+to conflict in title with any Invariant Section. |
+ |
+@item |
+Preserve any Warranty Disclaimers. |
+@end enumerate |
+ |
+If the Modified Version includes new front-matter sections or |
+appendices that qualify as Secondary Sections and contain no material |
+copied from the Document, you may at your option designate some or all |
+of these sections as invariant. To do this, add their titles to the |
+list of Invariant Sections in the Modified Version's license notice. |
+These titles must be distinct from any other section titles. |
+ |
+You may add a section Entitled ``Endorsements'', provided it contains |
+nothing but endorsements of your Modified Version by various |
+parties---for example, statements of peer review or that the text has |
+been approved by an organization as the authoritative definition of a |
+standard. |
+ |
+You may add a passage of up to five words as a Front-Cover Text, and a |
+passage of up to 25 words as a Back-Cover Text, to the end of the list |
+of Cover Texts in the Modified Version. Only one passage of |
+Front-Cover Text and one of Back-Cover Text may be added by (or |
+through arrangements made by) any one entity. If the Document already |
+includes a cover text for the same cover, previously added by you or |
+by arrangement made by the same entity you are acting on behalf of, |
+you may not add another; but you may replace the old one, on explicit |
+permission from the previous publisher that added the old one. |
+ |
+The author(s) and publisher(s) of the Document do not by this License |
+give permission to use their names for publicity for or to assert or |
+imply endorsement of any Modified Version. |
+ |
+@item |
+COMBINING DOCUMENTS |
+ |
+You may combine the Document with other documents released under this |
+License, under the terms defined in section 4 above for modified |
+versions, provided that you include in the combination all of the |
+Invariant Sections of all of the original documents, unmodified, and |
+list them all as Invariant Sections of your combined work in its |
+license notice, and that you preserve all their Warranty Disclaimers. |
+ |
+The combined work need only contain one copy of this License, and |
+multiple identical Invariant Sections may be replaced with a single |
+copy. If there are multiple Invariant Sections with the same name but |
+different contents, make the title of each such section unique by |
+adding at the end of it, in parentheses, the name of the original |
+author or publisher of that section if known, or else a unique number. |
+Make the same adjustment to the section titles in the list of |
+Invariant Sections in the license notice of the combined work. |
+ |
+In the combination, you must combine any sections Entitled ``History'' |
+in the various original documents, forming one section Entitled |
+``History''; likewise combine any sections Entitled ``Acknowledgements'', |
+and any sections Entitled ``Dedications''. You must delete all |
+sections Entitled ``Endorsements.'' |
+ |
+@item |
+COLLECTIONS OF DOCUMENTS |
+ |
+You may make a collection consisting of the Document and other documents |
+released under this License, and replace the individual copies of this |
+License in the various documents with a single copy that is included in |
+the collection, provided that you follow the rules of this License for |
+verbatim copying of each of the documents in all other respects. |
+ |
+You may extract a single document from such a collection, and distribute |
+it individually under this License, provided you insert a copy of this |
+License into the extracted document, and follow this License in all |
+other respects regarding verbatim copying of that document. |
+ |
+@item |
+AGGREGATION WITH INDEPENDENT WORKS |
+ |
+A compilation of the Document or its derivatives with other separate |
+and independent documents or works, in or on a volume of a storage or |
+distribution medium, is called an ``aggregate'' if the copyright |
+resulting from the compilation is not used to limit the legal rights |
+of the compilation's users beyond what the individual works permit. |
+When the Document is included in an aggregate, this License does not |
+apply to the other works in the aggregate which are not themselves |
+derivative works of the Document. |
+ |
+If the Cover Text requirement of section 3 is applicable to these |
+copies of the Document, then if the Document is less than one half of |
+the entire aggregate, the Document's Cover Texts may be placed on |
+covers that bracket the Document within the aggregate, or the |
+electronic equivalent of covers if the Document is in electronic form. |
+Otherwise they must appear on printed covers that bracket the whole |
+aggregate. |
+ |
+@item |
+TRANSLATION |
+ |
+Translation is considered a kind of modification, so you may |
+distribute translations of the Document under the terms of section 4. |
+Replacing Invariant Sections with translations requires special |
+permission from their copyright holders, but you may include |
+translations of some or all Invariant Sections in addition to the |
+original versions of these Invariant Sections. You may include a |
+translation of this License, and all the license notices in the |
+Document, and any Warranty Disclaimers, provided that you also include |
+the original English version of this License and the original versions |
+of those notices and disclaimers. In case of a disagreement between |
+the translation and the original version of this License or a notice |
+or disclaimer, the original version will prevail. |
+ |
+If a section in the Document is Entitled ``Acknowledgements'', |
+``Dedications'', or ``History'', the requirement (section 4) to Preserve |
+its Title (section 1) will typically require changing the actual |
+title. |
+ |
+@item |
+TERMINATION |
+ |
+You may not copy, modify, sublicense, or distribute the Document except |
+as expressly provided for under this License. Any other attempt to |
+copy, modify, sublicense or distribute the Document is void, and will |
+automatically terminate your rights under this License. However, |
+parties who have received copies, or rights, from you under this |
+License will not have their licenses terminated so long as such |
+parties remain in full compliance. |
+ |
+@item |
+FUTURE REVISIONS OF THIS LICENSE |
+ |
+The Free Software Foundation may publish new, revised versions |
+of the GNU Free Documentation License from time to time. Such new |
+versions will be similar in spirit to the present version, but may |
+differ in detail to address new problems or concerns. See |
+@uref{http://www.gnu.org/copyleft/}. |
+ |
+Each version of the License is given a distinguishing version number. |
+If the Document specifies that a particular numbered version of this |
+License ``or any later version'' applies to it, you have the option of |
+following the terms and conditions either of that specified version or |
+of any later version that has been published (not as a draft) by the |
+Free Software Foundation. If the Document does not specify a version |
+number of this License, you may choose any version ever published (not |
+as a draft) by the Free Software Foundation. |
+@end enumerate |
+ |
+@page |
+@heading ADDENDUM: How to use this License for your documents |
+ |
+To use this License in a document you have written, include a copy of |
+the License in the document and put the following copyright and |
+license notices just after the title page: |
+ |
+@smallexample |
+@group |
+ Copyright (C) @var{year} @var{your name}. |
+ Permission is granted to copy, distribute and/or modify this document |
+ under the terms of the GNU Free Documentation License, Version 1.2 |
+ or any later version published by the Free Software Foundation; |
+ with no Invariant Sections, no Front-Cover Texts, and no Back-Cover |
+ Texts. A copy of the license is included in the section entitled ``GNU |
+ Free Documentation License''. |
+@end group |
+@end smallexample |
+ |
+If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts, |
+replace the ``with@dots{}Texts.'' line with this: |
+ |
+@smallexample |
+@group |
+ with the Invariant Sections being @var{list their titles}, with |
+ the Front-Cover Texts being @var{list}, and with the Back-Cover Texts |
+ being @var{list}. |
+@end group |
+@end smallexample |
+ |
+If you have Invariant Sections without Cover Texts, or some other |
+combination of the three, merge those two alternatives to suit the |
+situation. |
+ |
+If your document contains nontrivial examples of program code, we |
+recommend releasing these examples in parallel under your choice of |
+free software license, such as the GNU General Public License, |
+to permit their use in free software. |
+ |
+@c Local Variables: |
+@c ispell-local-pdict: "ispell-dict" |
+@c End: |
+ |