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.
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 fewer than five), unless they
release you from this requirement.
I. 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.
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.
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.
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GNU Free Documentation License
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:
K. 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.