Appendix A. Licence
Document well beforeredistributing anylarge numberofcopies, to give
thema chance to provide you with an updated version of the Document.
You may copyand distribute a Modiﬁed Version of the Document under
the conditions of sections 2 and 3 above, provided that yourelease
the Modiﬁed Versionunderpreciselythis License, with the M odiﬁed
Version ﬁlling the role of the Document,thus licensing dist ribution
and modiﬁcation ofthe Modiﬁed Versionto whoever possesses
of it. In addition, you must do these things in the Modiﬁed Ver sion:
A. Use in the Title Page (and on the covers, if any) a title distinct
from that of the Document, and fromthose of previous versions
(which should, if there were any, be listed inthe 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 ormore persons orentities
responsible for authorshipof the modiﬁcations in the Modiﬁ ﬁ ed
Version, togetherwith at least ﬁve of the principal authors of the
Document (all ofits principal authors, if it has less than ﬁv e).
C. State onthe Title page the name ofthe publisher of the
Modiﬁed Version,as the publisher.
D. Preserveall the copyright notices of the Document.
E.Addan appropriate copyrightnotice for yourmodiﬁcation s
adjacent to the other copyright notices.
F.Include, immediately afterthe copyright notices,a license notice
givingthe public permission to use the Modiﬁed Version unde r the
terms of this License, in the formshown in the Addendum below.
G. Preservein that license notice the full lists of InvariantSections
and required Cover Texts given inthe Document's license notice.
H. Include an unalteredcopyof this License.
I.Preserve the section entitled "History",and its title, andadd to
it an item stating at least the title, year,new authors,and
publisherofthe Modiﬁed Version as givenon the Title Page. I f
there is no section entitled "History"in the Document,create one
stating the title, year,authors, and publisher ofthe Document as
given on its Title Page,thenadd an item describingthe Modiﬁ ﬁ ed
Versionas stated in the previous sentence.
J. Preserve the networklocation, ifany,givenin the Document for
public access to a Transparentcopyof the Document,and likewise
the network locations given in the Document for previous versions
it was basedon. These may be placed inthe "History" section.
You may omit a network location for a workthat was published at
least four years before the Documentitself, or ifthe original
publisherofthe version it refers to gives permission.
K. In anysection entitled"Acknowledgements"or"Dedications",
preservethe section's title,and preserve in the section all the
substance and tone ofeach ofthe contributoracknowledgements
and/or dedications given therein.
L.Preserve all the Invariant Sections ofthe Document,