46 GNU Free Documentation

obstruct  or  control  the  reading  or  further  copying  of

In addition, you must do these things in the Modified

the copies you make or distribute. However, you may

Version:

accept  compensation  in  exchange  for  copies.  If  you

1. 

Use in the Title Page (and on the covers,

distribute a large enough number of copies you must

also follow the conditions in section 3.

if any) a title distinct from that of the

Document, and from those of previous

You may also lend copies, under the same conditions

versions (which should, if there were

stated above, and you may publicly display copies.

any, be listed in the History section of

the Document). You may use the same

3. Copying in Quantity

title as a previous version if the original

publisher of that version gives

If  you  publish  printed  copies  of  the  Document

permission.

numbering more than 100, and the Document s license

2. 

List on the Title Page, as authors, one or

notice  requires  Cover  Texts,  you  must  enclose  the

more persons or entities responsible for

copies  in  covers  that  carry,  clearly  and  legibly,  all

authorship of the modifications in the

these  Cover  Texts:  Front Cover  Texts  on  the  front

cover, and Back Cover Texts on the back cover. Both

Modified Version, together with at least

covers  must  also  clearly  and  legibly  identify  you  as

five of the principal authors of the

the  publisher  of  these  copies.  The  front  cover  must

Document (all of its principal authors, if

present the full title with all words of the title equally

it has less than five).

prominent and visible. You may add other material on

3. 

State on the Title page the name of the

the covers in addition. Copying with changes limited

publisher of the Modified Version, as the

to the covers, as long as they preserve the title of the

publisher.

Document and satisfy these conditions, can be treated

4. 

Preserve all the copyright notices of the

as verbatim copying in other respects.

Document.

If  the  required  texts  for  either  cover  are  too

5. 

Add an appropriate copyright notice for

voluminous to fit legibly, you should put the first ones

your modifications adjacent to the other

listed (as many as fit reasonably) on the actual cover,

copyright notices.

and continue the rest onto adjacent pages.

6. 

Include, immediately after the copyright

If  you  publish  or  distribute  Opaque  copies  of  the

notices, a license notice giving the public

Document numbering more than 100, you must either

permission to use the Modified Version

include  a  machine readable  Transparent  copy  along

under the terms of this License, in the

with  each  Opaque  copy,  or  state  in  or  with  each

Opaque copy a publicly accessible computer network

form shown in the Addendum below.

location  containing  a  complete  Transparent  copy  of

7. 

Preserve in that license notice the full

the  Document,  free  of  added  material,  which  the

lists of Invariant Sections and required

general network using public has access to download

Cover Texts given in the Document s

anonymously  at  no  charge  using  public standard

license notice.

network  protocols.  If  you  use  the  latter  option,  you

8. 

Include an unaltered copy of this

must take reasonably prudent steps, when you begin

License.

distribution  of  Opaque  copies  in  quantity,  to  ensure

9. 

Preserve the section entitled "History",

that this Transparent copy will remain thus accessible

and its title, and add to it an item stating

at the stated location until at least one year after the

last  time  you  distribute  an  Opaque  copy  (directly  or

at least the title, year, new authors, and

through your agents or retailers) of that edition to the

publisher of the Modified Version as

public.

given on the Title Page. If there is no

It is requested, but not required, that you contact the

section entitled "History" in the

authors  of  the  Document  well  before  redistributing

Document, create one stating the title,

any large number of copies, to give them a chance to

year, authors, and publisher of the

provide you with an updated version of the Document.

Document as given on its Title Page,

then add an item describing the Modified

4. Modifications

Version as stated in the previous

sentence.

You  may  copy  and  distribute  a  Modified  Version  of

10. 

Preserve the network location, if any,

the Document under the conditions of sections 2 and 3

given in the Document for public access

above, provided that you release the Modified Version

to a Transparent copy of the Document,

under  precisely  this  License,  with  the  Modified

and likewise the network locations given

Version  filling  the  role  of  the  Document,  thus

in the Document for previous versions it

licensing  distribution  and  modification  of  the

was based on. These may be placed in

Modified Version to whoever possesses a copy of it.