From 0384a78acb5a534cf69f964f239bb7c612c8ac8e Mon Sep 17 00:00:00 2001
From: Robert Alessi <alessi@robertalessi.net>
Date: Sat, 13 Jun 2020 16:17:26 +0200
Subject: use GNU FDL. use metastr

---
 ekdosis.dtx | 654 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 625 insertions(+), 29 deletions(-)

(limited to 'ekdosis.dtx')

diff --git a/ekdosis.dtx b/ekdosis.dtx
index 49ce5b9..b9137ef 100644
--- a/ekdosis.dtx
+++ b/ekdosis.dtx
@@ -92,33 +92,72 @@ along with this program.  If not, see
 \usepackage{xcolor}
 \definecolor{ekdcolor}{RGB}{243,241,235}
 \definecolor{cinnamon}{rgb}{0.82, 0.41, 0.12}
-\usepackage{hyperxmp}
+\PassOptionsToPackage{bookmarks=true}{hyperref}
 \usepackage{xurl}
 \usepackage[numbered]{hypdoc}
+\usepackage[loadlang=en]{metastr}
 \hypersetup{
-  unicode=true,
   colorlinks,
   allcolors=cinnamon,
-  keeppdfinfo,
   linktocpage=true,
-  pdfauthor={Robert Alessi},
-  pdftitle={The ekdosis package},
-  pdfcontactemail={alessi@robertalessi.net},
-  pdfcontacturl={http://www.robertalessi.net/ekdosis},
-  pdfcopyright={Copyright (C) 2018 Robert Alessi
-    <alessi@robertalessi.net>. This document is licensed under the
-    Creative Commons Attribution-ShareAlike 4.0 International
-    License. To view a copy of this license, visit
-    http://creativecommons.org/licenses/by-sa/4.0/ or send a letter to
-    Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.},
-  pdflicenseurl={https://creativecommons.org/licenses/by-sa/4.0/legalcode},
-  pdfmetalang={en-US},
-  pdftype={Text},
-  pdfkeywords={Arabic language, arabtex, luatex}}
+  pdftype={Text}
+}
 \usepackage{uri}
-\usepackage[lot]{multitoc}
-\usepackage{ekdosis}
+\usepackage[nospace]{varioref}
+\labelformat{section}{sect.~#1}
 \usepackage{arabluatex}
+
+\usepackage{ekdosis}
+\metaset{titletext}{%
+  \metapick[#1]{title}%
+  \metacompose[#1]{subtitle}{\metaget[sep]{subtitle}}{}{}}
+\metaset[print]{titletext}{%
+  \metatitleline[print]{title}%
+  \metatitleline[print]{subtitle}%
+  \metatitleline[print]{author}%
+  \metatitleline[print]{contactemail}%
+  \metatitlelinetwo[print]{date}[print]{draft}}
+\metaset[skip]{subtitle}{\vspace{1ex}}
+\metaset[skip]{author}{\vspace{2ex}}
+\metaset[skip]{date}{\vspace{1ex}}
+\metaset[style]{title}{\LARGE}
+\metaset[style]{author}{\large}
+\metaset[sep]{draft}{ -- }
+\metasetlang{en-US}
+\metaset{title}{ἔκδοσις}
+\metaset{date}{\filedate}
+\metaset{draft}{\fileversion}
+\metaset{subject}{TEI xml compliant critical editions}
+\metaset{subtitle}{Typesetting TEI xml Compliant Critical Editions}
+\metaset[print]{subtitle}{Typesetting \texttt{TEI xml} Compliant
+  Critical Editions}
+\metaset{author}{Robert Alessi}
+\metaset{keywords}{LaTeX, Lua, TEI xml, multilingual critical
+  editions, alignment, segmentation}
+\metaset{contactemail}{alessi@roberalessi.net}
+\metaset[print]{contactemail}{\mailto[ekdosis]{alessi@robertalessi.net}}
+\metaset{contacturl}{http://www.roberalessi.net}
+\metaset{partof}{The ekdosis Package}
+\metaset[print]{partof}{The \textsf{ekdosis} Package}
+\metaset{copyrightowner}{\metapick[#1]{author}}
+\metaset{copyrightdate}{2020}
+\metaset{licensemessage}{Permission is granted to copy, distribute
+  and/or modify this document under the terms of the GNU Free
+  Documentation License, Version 1.3 or any later version published by
+  the Free Software Foundation; with no Invariant Sections, no
+  Front-Cover Texts, and no Back-Cover Texts.  A copy of the license
+  is included in the section entitled ``GNU Free Documentation
+  License''.}
+\metaset{licenseurl}{https://www.gnu.org/licenses/fdl-1.3.html}
+\metaset[print]{licenseurl}{%
+  \url{https://www.gnu.org/licenses/fdl-1.3.html}}
+\metaset[cmd]{licenselogo}{\includegraphics[scale=0.75]{#1}}
+\metawritepdfinfo
+\metawritepdfaux
+\metawritepdfpreamble
+\metawritepdfcontact
+\metawritepdfrights
+\usepackage[lot]{multitoc}
 \usepackage{relsize}
 \usepackage{units}
 \usepackage{tikz}
@@ -195,17 +234,19 @@ along with this program.  If not, see
 % \GetFileInfo{\jobname.dtx}
 % \DoNotIndex{\newcommand,\newenvironment}
 %
-% \title{\tcbox[colframe=black, enhanced, tikznode, drop lifted
-% shadow, colback=white, boxrule=.25mm]%
-% {ἔκδοσις\\
-% Typesetting \texttt{TEI xml} compliant critical editions\\
-% \fileversion\ --- \filedate}}
-%  
-% \author{Robert Alessi \\
-% \mailto[ekdosis package]{alessi@robertalessi.net}}
-% \date{}
+% \pdfbookmark[1]{\metaterm{title}}{title}
+% \begin{tcolorbox}[
+%   colframe=black,
+%   enhanced,
+%   drop lifted shadow,
+%   colback=white,
+%   boxrule=.25mm,
+%   halign=center,
+%   center
+%   ]
+%   \metapick[print]{titletext}
+% \end{tcolorbox}
 %
-% \maketitle
 % \footnotesize
 % \ekdtableofcontents
 % \normalsize
@@ -228,6 +269,12 @@ along with this program.  If not, see
 %   terms of the GNU General Public License (GPL) version 3.
 % \end{abstract}
 %
+% \section*{License and disclaimer}
+% \addcontentsline{toc}{section}{License and disclamer}
+% \subsection*{License applicable to this document}
+% \pdfbookmark[2]{Licence applicable to this document}{copyright-doc}
+% \metapick[print]{rightstext} (See below \vref{sec:fdl}.)
+%
 % \section{Introduction}
 % \begin{keyfigure}[H]{c={Grid Typesetting}, t={Each square in the grid
 %   has a side length of \unit[10]{pt}. Therefore, the distance
@@ -275,7 +322,556 @@ along with this program.  If not, see
 %     at the station yesterday.
 %   \end{specimen}
 % \end{alignment}
+%
+% \section{GNU Free Documentation License}
+% \label{sec:fdl}
+% \textbf{Version 1.3, 3 November 2008}
+% 
+%  \begin{center}
+% 
+%        Version 1.3, 3 November 2008
+% 
+% 
+%        Copyright \copyright{} 2000, 2001, 2002, 2007, 2008 Free
+%        Software Foundation, Inc.
+%  
+%  \bigskip
+%  
+%      \url{https://fsf.org/}
+%   
+%  \bigskip
+%  
+%  Everyone is permitted to copy and distribute verbatim copies
+%  of this license document, but changing it is not allowed.
+% \end{center}
+% 
+% 
+% \needspace{\baselineskip}
+% \begin{center}
+% {\bf\large Preamble}
+% \end{center}
+% 
+% The purpose of this License is to make a manual, textbook, or other
+% functional and useful 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.
+% 
+% 
+% \needspace{\baselineskip}
+% \begin{center}
+% {\large\bf 1. APPLICABILITY AND DEFINITIONS\par}
+% \end{center}
+% 
+% This License applies to any manual or other work, in any medium, that
+% contains a notice placed by the copyright holder saying it can be
+% distributed under the terms of this License.  Such a notice grants a
+% world-wide, royalty-free license, unlimited in duration, to use that
+% work under the conditions stated herein.  The ``\textbf{Document}'', below,
+% refers to any such manual or work.  Any member of the public is a
+% licensee, and is addressed as ``\textbf{you}''.  You accept the license if you
+% copy, modify or distribute the work in a way requiring permission
+% under copyright law.
+% 
+% A ``\textbf{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 ``\textbf{Secondary Section}'' is a named appendix or a front-matter section of
+% the Document that deals exclusively with the relationship of the
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+% them.
+% 
+% The ``\textbf{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.  If a
+% section does not fit the above definition of Secondary then it is not
+% allowed to be designated as Invariant.  The Document may contain zero
+% Invariant Sections.  If the Document does not identify any Invariant
+% Sections then there are none.
+% 
+% The ``\textbf{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 Front-Cover Text may
+% be at most 5 words, and a Back-Cover Text may be at most 25 words.
+% 
+% A ``\textbf{Transparent}'' copy of the Document means a machine-readable copy,
+% represented in a format whose specification is available to the
+% general public, that is suitable for revising the document
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+% pixels) generic paint programs or (for drawings) some widely available
+% drawing editor, and that is suitable for input to text formatters or
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+% to text formatters.  A copy made in an otherwise Transparent file
+% format whose markup, or absence of markup, has been arranged to thwart
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+% An image format is not Transparent if used for any substantial amount
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+% include proprietary formats that can be read and edited only by
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+% processing tools are not generally available, and the
+% machine-generated HTML, PostScript or PDF produced by some word
+% processors for output purposes only.
+% 
+% The ``\textbf{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.
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+% The ``\textbf{publisher}'' means any person or entity that distributes
+% copies of the Document to the public.
+% 
+% A section ``\textbf{Entitled XYZ}'' means a named subunit of the Document whose
+% title either is precisely XYZ or contains XYZ in parentheses following
+% text that translates XYZ in another language.  (Here XYZ stands for a
+% specific section name mentioned below, such as ``\textbf{Acknowledgements}'',
+% ``\textbf{Dedications}'', ``\textbf{Endorsements}'', or ``\textbf{History}''.)  
+% To ``\textbf{Preserve the Title}''
+% of such a section when you modify the Document means that it remains a
+% section ``Entitled XYZ'' according to this definition.
+% 
+% The Document may include Warranty Disclaimers next to the notice which
+% states that this License applies to the Document.  These Warranty
+% Disclaimers are considered to be included by reference in this
+% License, but only as regards disclaiming warranties: any other
+% implication that these Warranty Disclaimers may have is void and has
+% no effect on the meaning of this License.
+% 
+% 
+% \needspace{\baselineskip}
+% \begin{center}
+% {\large\bf 2. VERBATIM COPYING\par}
+% \end{center}
+% 
+% 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.
+% 
+% 
+% \needspace{\baselineskip}
+% \begin{center}
+% {\large\bf 3. COPYING IN QUANTITY\par}
+% \end{center}
+% 
+% 
+% If you publish printed copies (or copies in media that commonly have
+% printed covers) 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 computer-network location from which the general network-using
+% public has access to download using public-standard network protocols
+% a complete Transparent copy of the Document, free of added material.
+% 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.
+% 
+% \needspace{\baselineskip}
+% \begin{center}
+% {\large\bf 4. MODIFICATIONS\par}
+% \end{center}
+% 
+% 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:
+% 
+% \begin{itemize}
+% \item[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.
+%    
+% \item[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.
+%    
+% \item[C.]
+%    State on the Title page the name of the publisher of the
+%    Modified Version, as the publisher.
+%    
+% \item[D.]
+%    Preserve all the copyright notices of the Document.
+%    
+% \item[E.]
+%    Add an appropriate copyright notice for your modifications
+%    adjacent to the other copyright notices.
+%    
+% \item[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.
+%    
+% \item[G.]
+%    Preserve in that license notice the full lists of Invariant Sections
+%    and required Cover Texts given in the Document's license notice.
+%    
+% \item[H.]
+%    Include an unaltered copy of this License.
+%    
+% \item[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.
+%    
+% \item[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.
+%    
+% \item[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.
+%    
+% \item[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.
+%    
+% \item[M.]
+%    Delete any section Entitled ``Endorsements''.  Such a section
+%    may not be included in the Modified Version.
+%    
+% \item[N.]
+%    Do not retitle any existing section to be Entitled ``Endorsements''
+%    or to conflict in title with any Invariant Section.
+%    
+% \item[O.]
+%    Preserve any Warranty Disclaimers.
+% \end{itemize}
+% 
+% 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.
+% 
+% 
+% \needspace{\baselineskip}
+% \begin{center}
+% {\large\bf 5. COMBINING DOCUMENTS\par}
+% \end{center}
+% 
+% 
+% 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, and that you preserve all their Warranty Disclaimers.
+% 
+% 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''.
+% 
+% \needspace{\baselineskip}
+% \begin{center}
+% {\large\bf 6. COLLECTIONS OF DOCUMENTS\par}
+% \end{center}
+% 
+% 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.
+% 
+% 
+% \needspace{\baselineskip}
+% \begin{center}
+% {\large\bf 7. AGGREGATION WITH INDEPENDENT WORKS\par}
+% \end{center}
+% 
+% 
+% 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, is called an ``aggregate'' if the copyright
+% resulting from the compilation is not used to limit the legal rights
+% of the compilation's users beyond what the individual works permit.
+% When the Document is included in an aggregate, this License does not
+% apply to the other works in the aggregate which 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 half of
+% the entire aggregate, the Document's Cover Texts may be placed on
+% covers that bracket the Document within the aggregate, or the
+% electronic equivalent of covers if the Document is in electronic form.
+% Otherwise they must appear on printed covers that bracket the whole
+% aggregate.
+% 
+% 
+% \needspace{\baselineskip}
+% \begin{center}
+% {\large\bf 8. TRANSLATION\par}
+% \end{center}
+% 
+% 
+% 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, and all the license notices in the
+% Document, and any Warranty Disclaimers, provided that you also include
+% the original English version of this License and the original versions
+% of those notices and disclaimers.  In case of a disagreement between
+% the translation and the original version of this License or a notice
+% or disclaimer, the original version will prevail.
+% 
+% If a section in the Document is Entitled ``Acknowledgements'',
+% ``Dedications'', or ``History'', the requirement (section~4) to Preserve
+% its Title (section~1) will typically require changing the actual
+% title.
+% 
+% 
+% \needspace{\baselineskip}
+% \begin{center}
+% {\large\bf 9. TERMINATION\par}
+% \end{center}
+% 
+% 
+% You may not copy, modify, sublicense, or distribute the Document
+% except as expressly provided under this License.  Any attempt
+% otherwise to copy, modify, sublicense, or distribute it is void, and
+% will automatically terminate your rights under this License.
+% 
+% However, if you cease all violation of this License, then your license
+% from a particular copyright holder is reinstated (a) provisionally,
+% unless and until the copyright holder explicitly and finally
+% terminates your license, and (b) permanently, if the copyright holder
+% fails to notify you of the violation by some reasonable means prior to
+% 60 days after the cessation.
+% 
+% Moreover, your license from a particular copyright holder is
+% reinstated permanently if the copyright holder notifies you of the
+% violation by some reasonable means, this is the first time you have
+% received notice of violation of this License (for any work) from that
+% copyright holder, and you cure the violation prior to 30 days after
+% your receipt of the notice.
+% 
+% Termination of your rights under this section does not terminate the
+% licenses of parties who have received copies or rights from you under
+% this License.  If your rights have been terminated and not permanently
+% reinstated, receipt of a copy of some or all of the same material does
+% not give you any rights to use it.
+% 
+% 
+% \needspace{\baselineskip}
+% \begin{center}
+% {\large\bf 10. FUTURE REVISIONS OF THIS LICENSE\par}
+% \end{center}
+% 
+% 
+% 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
+% \url{https://www.gnu.org/licenses/}.
+% 
+% 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.  If the Document
+% specifies that a proxy can decide which future versions of this
+% License can be used, that proxy's public statement of acceptance of a
+% version permanently authorizes you to choose that version for the
+% Document.
+% 
+% 
+% \needspace{\baselineskip}
+% \begin{center}
+% {\large\bf 11. RELICENSING\par}
+% \end{center}
+% 
+% 
+% ``Massive Multiauthor Collaboration Site'' (or ``MMC Site'') means any
+% World Wide Web server that publishes copyrightable works and also
+% provides prominent facilities for anybody to edit those works.  A
+% public wiki that anybody can edit is an example of such a server.  A
+% ``Massive Multiauthor Collaboration'' (or ``MMC'') contained in the
+% site means any set of copyrightable works thus published on the MMC
+% site.
+% 
+% ``CC-BY-SA'' means the Creative Commons Attribution-Share Alike 3.0
+% license published by Creative Commons Corporation, a not-for-profit
+% corporation with a principal place of business in San Francisco,
+% California, as well as future copyleft versions of that license
+% published by that same organization.
+% 
+% ``Incorporate'' means to publish or republish a Document, in whole or
+% in part, as part of another Document.
+% 
+% An MMC is ``eligible for relicensing'' if it is licensed under this
+% License, and if all works that were first published under this License
+% somewhere other than this MMC, and subsequently incorporated in whole
+% or in part into the MMC, (1) had no cover texts or invariant sections,
+% and (2) were thus incorporated prior to November 1, 2008.
+% 
+% The operator of an MMC Site may republish an MMC contained in the site
+% under CC-BY-SA on the same site at any time before August 1, 2009,
+% provided the MMC is eligible for relicensing.
+% 
+% 
+% \needspace{\baselineskip}
+% \begin{center}
+% {\large\bf ADDENDUM: How to use this License for your documents\par}
+% \end{center}
+% 
+% 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:
+% 
+% \bigskip
+% \begin{quote}
+%     Copyright \copyright{}  YEAR  YOUR NAME.
+%     Permission is granted to copy, distribute and/or modify this document
+%     under the terms of the GNU Free Documentation License, Version 1.3
+%     or any later version published by the Free Software Foundation;
+%     with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
+%     A copy of the license is included in the section entitled ``GNU
+%     Free Documentation License''.
+% \end{quote}
+% \bigskip
+%     
+% If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts,
+% replace the ``with \dots\ Texts.''\ line with this:
+% 
+% \bigskip
+% \begin{quote}
+%     with the Invariant Sections being LIST THEIR TITLES, with the
+%     Front-Cover Texts being LIST, and with the Back-Cover Texts being LIST.
+% \end{quote}
+% \bigskip
+%     
+% If you have Invariant Sections without Cover Texts, or some other
+% combination of the three, merge those two alternatives to suit the
+% situation.
+% 
+% 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.
+%
 % \section{Implementation}
 %
 % \iffalse
-- 
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