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* Bfd: (bfd).                   The Binary File Descriptor library.

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   This file documents the BFD library.

   Copyright (C) 1991, 2000, 2001 Free Software Foundation, Inc.

   Permission is granted to copy, distribute and/or modify this document

     under the terms of the GNU Free Documentation License, Version 1.1

     or any later version published by the Free Software Foundation;

   with no Invariant Sections, with no Front-Cover Texts, and with no

    Back-Cover Texts.  A copy of the license is included in the

section entitled "GNU Free Documentation License".

File: bfd.info,  Node: GNU Free Documentation License,  Next: Index,  Prev: BFD back ends,  Up: Top

GNU Free Documentation License

******************************

   GNU Free Documentation License

   Version 1.1, March 2000

   Copyright (C) 2000  Free Software Foundation, Inc.    59 Temple

Place, Suite 330, Boston, MA  02111-1307  USA

   Everyone is permitted to copy and distribute verbatim copies  of

this license document, but changing it is not allowed.

   0. PREAMBLE

   The purpose of this License is to make a manual, textbook, or other

written document "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.

   1. APPLICABILITY AND DEFINITIONS

   This License applies to any manual or other work that contains a

notice placed by the copyright holder saying it can be distributed

under the terms of this License.  The "Document", below, refers to any

such manual or work.  Any member of the public is a licensee, and is

addressed as "you".

   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.  (For example, 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.

   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 "Transparent" copy of the Document means a machine-readable copy,

represented in a format whose specification is available to the general

public, whose contents can be viewed and edited directly and

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 has been designed to thwart or discourage subsequent

modification by readers is not Transparent.  A copy that is not

"Transparent" is called "Opaque".

   Examples of suitable formats for Transparent copies include plain

ASCII without markup, Texinfo input format, LaTeX input format, SGML or

XML using a publicly available DTD, and standard-conforming simple HTML

designed for human modification.  Opaque formats include PostScript,

PDF, proprietary formats that can be read and edited only by

proprietary word processors, SGML or XML for which the DTD and/or

processing tools are not generally available, and the machine-generated

HTML 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.

   2. 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.

   3. COPYING IN QUANTITY

   If you publish printed copies 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 publicly-accessible computer-network location containing a complete

Transparent copy of the Document, free of added material, which the

general network-using public has access to download anonymously at no

charge using public-standard network protocols.  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.

   4. 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:

   A. 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.  B. 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 less than five).  C.

State on the Title page the name of the publisher of the    Modified

Version, as the publisher.  D. Preserve all the copyright notices of

the Document.  E. Add an appropriate copyright notice for your

modifications    adjacent to the other copyright notices.  F. 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.  G. Preserve in

that license notice the full lists of Invariant Sections    and

required Cover Texts given in the Document's license notice.  H.

Include an unaltered copy of this License.  I. Preserve the section

entitled "History", and 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.  J. 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.

K. In any section entitled "Acknowledgements" or "Dedications",

preserve the section's title, and preserve in the section all the

substance and tone of each of the contributor acknowledgements

and/or dedications given therein.  L. 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.  M. Delete any section entitled "Endorsements".

Such a section    may not be included in the Modified Version.  N. Do

not retitle any existing section as "Endorsements"    or to conflict in

title with any Invariant Section.

   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.

   5. 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.

   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."

   6. 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.

   7. 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, does not as a whole count as a Modified Version of

the Document, provided no compilation copyright is claimed for the

compilation.  Such a compilation is called an "aggregate", and this

License does not apply to the other self-contained works thus compiled

with the Document, on account of their being thus compiled, if they 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 quarter

of the entire aggregate, the Document's Cover Texts may be placed on

covers that surround only the Document within the aggregate.  Otherwise

they must appear on covers around the whole aggregate.

   8. 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 provided that you also include the original

English version of this License.  In case of a disagreement between the

translation and the original English version of this License, the

original English version will prevail.

   9. 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.

   10. 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

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.

   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:

         Copyright (c)  YEAR  YOUR NAME.

         Permission is granted to copy, distribute and/or modify this document

         under the terms of the GNU Free Documentation License, Version 1.1

         or any later version published by the Free Software Foundation;

         with the Invariant Sections being LIST THEIR TITLES, with the

         Front-Cover Texts being LIST, and with the Back-Cover Texts being LIST.

         A copy of the license is included in the section entitled "GNU

         Free Documentation License".

   If you have no Invariant Sections, write "with no Invariant Sections"

instead of saying which ones are invariant.  If you have no Front-Cover

Texts, write "no Front-Cover Texts" instead of "Front-Cover Texts being

LIST"; likewise for Back-Cover Texts.

   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.