GNU Free Documentation License 47

the "History" section. You may omit a

network location for a work that was

5. Combining

published at least four years before the

Document itself, or if the original

Documents

publisher of the version it refers to gives

You  may  combine  the  Document  with  other

permission.

documents  released  under  this  License,  under  the

11. 

In any section entitled

terms  defined  in  section  4  above  for  modified

"Acknowledgements" or "Dedications",

versions, provided that you include in the combination

preserve the section s title, and preserve

all  of  the  Invariant  Sections  of  all  of  the  original

in the section all the substance and tone

documents, unmodified, and list them all as Invariant

of each of the contributor

Sections of your combined work in its license notice.

acknowledgements and/or dedications

The  combined  work  need  only  contain  one  copy  of

given therein.

this License, and multiple identical Invariant Sections

12. 

Preserve all the Invariant Sections of the

may  be  replaced  with  a  single  copy.  If  there  are

Document, unaltered in their text and in

multiple  Invariant  Sections  with  the  same  name  but

different contents, make the title of each such section

their titles. Section numbers or the

unique by adding at the end of it, in parentheses, the

equivalent are not considered part of the

name of the original author or publisher of that section

section titles.

if  known,  or  else  a  unique  number.  Make  the  same

13. 

Delete any section entitled

adjustment to the section titles in the list of Invariant

"Endorsements". Such a section may not

Sections in the license notice of the combined work.

be included in the Modified Version.

In  the  combination,  you  must  combine  any  sections

14. 

Do not retitle any existing section as

entitled "History"  in the various original documents,

"Endorsements" or to conflict in title

forming  one  section  entitled  "History";  likewise

with any Invariant Section.

combine  any  sections  entitled  "Acknowledgements",

and  any  sections  entitled  "Dedications".  You  must

If  the  Modified  Version  includes  new  front matter

delete all sections entitled "Endorsements."

sections  or  appendices  that  qualify  as  Secondary

Sections  and  contain  no  material  copied  from  the

Document, you may at your option designate some or

6. Collections of

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

Documents

from any other section titles.

You  may  make  a  collection  consisting  of  the

You  may  add  a  section  entitled  "Endorsements",

Document  and  other  documents  released  under  this

provided it contains nothing but endorsements of your

License,  and  replace  the  individual  copies  of  this

Modified  Version  by  various  parties  for  example,

License in the various documents with a single copy

statements  of  peer  review  or  that  the  text  has  been

that  is  included  in  the  collection,  provided  that  you

approved  by  an  organization  as  the  authoritative

follow the rules of this License for verbatim copying

definition of a standard.

of each of the documents in all other respects.

You may add a passage of up to five words as a Front 

You  may  extract  a  single  document  from  such  a

Cover  Text,  and  a  passage  of  up  to  25  words  as  a

collection,  and  distribute  it  individually  under  this

Back Cover Text, to the end of the list of Cover Texts

License,  provided  you  insert  a  copy  of  this  License

in the Modified Version. Only one passage of Front 

into the extracted document, and follow this License

Cover Text and one of Back Cover Text may be added

in all other respects regarding verbatim copying of that

by (or through arrangements made by) any one entity.

document.

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

7. Aggregation With

on behalf of, you may not add another; but you may

replace  the  old  one,  on  explicit  permission  from  the

Independent Works

previous publisher that added the old one.

The author(s) and publisher(s) of the Document do not

A compilation of the Document or its derivatives with

by this License give permission to use their names for

other separate and independent documents or works,

publicity for or to assert or imply endorsement of any

in or on a volume of a storage or distribution medium,

Modified Version.

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