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@@ -0,0 +1,554 @@
+%%
+%% This is file `fixltx2e.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% latexrelease.dtx  (with options: `fixltx2e')
+%% 
+%% This is a generated file.
+%% 
+%% The source is maintained by the LaTeX Project team and bug
+%% reports for it can be opened at https://latex-project.org/bugs.html
+%% (but please observe conditions on bug reports sent to that address!)
+%% 
+%% 
+%% Copyright 1993-2018
+%% The LaTeX3 Project and any individual authors listed elsewhere
+%% in this file.
+%% 
+%% This file was generated from file(s) of the LaTeX base system.
+%% --------------------------------------------------------------
+%% 
+%% It may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either version 1.3c
+%% of this license or (at your option) any later version.
+%% The latest version of this license is in
+%%    https://www.latex-project.org/lppl.txt
+%% and version 1.3c or later is part of all distributions of LaTeX
+%% version 2005/12/01 or later.
+%% 
+%% This file has the LPPL maintenance status "maintained".
+%% 
+%% This file may only be distributed together with a copy of the LaTeX
+%% base system. You may however distribute the LaTeX base system without
+%% such generated files.
+%% 
+%% The list of all files belonging to the LaTeX base distribution is
+%% given in the file `manifest.txt'. See also `legal.txt' for additional
+%% information.
+%% 
+%% The list of derived (unpacked) files belonging to the distribution
+%% and covered by LPPL is defined by the unpacking scripts (with
+%% extension .ins) which are part of the distribution.
+\ProvidesPackage{fixltx2e}
+   [2016/12/29 v2.1a fixes to LaTeX (obsolete)]
+\IncludeInRelease{2015/01/01}{\fixltxe}{Old fixltx2e package}
+\NeedsTeXFormat{LaTeX2e}
+\PackageWarningNoLine{fixltx2e}{%
+fixltx2e is not required with releases after 2015\MessageBreak
+All fixes are now in the LaTeX kernel.\MessageBreak
+See the latexrelease package for details}
+\EndIncludeInRelease
+\IncludeInRelease{0000/00/00}{\fixltxe}{Old fixltx2e package}
+\def\@outputdblcol{%
+  \if@firstcolumn
+    \global\@firstcolumnfalse
+    \global\setbox\@leftcolumn\copy\@outputbox
+    \splitmaxdepth\maxdimen
+    \vbadness\maxdimen
+     \setbox\@outputbox\vbox{\unvbox\@outputbox\unskip}%
+     \setbox\@outputbox\vsplit\@outputbox to\maxdimen
+    \toks@\expandafter{\topmark}%
+    \xdef\@firstcoltopmark{\the\toks@}%
+    \toks@\expandafter{\splitfirstmark}%
+    \xdef\@firstcolfirstmark{\the\toks@}%
+    \ifx\@firstcolfirstmark\@empty
+      \global\let\@setmarks\relax
+    \else
+      \gdef\@setmarks{%
+        \let\firstmark\@firstcolfirstmark
+        \let\topmark\@firstcoltopmark}%
+    \fi
+  \else
+    \global\@firstcolumntrue
+    \setbox\@outputbox\vbox{%
+     \hb@xt@\textwidth{%
+        \hb@xt@\columnwidth{\box\@leftcolumn \hss}%
+        \hfil
+        {\normalcolor\vrule \@width\columnseprule}%
+        \hfil
+       \hb@xt@\columnwidth{\box\@outputbox \hss}}}%
+  \@combinedblfloats
+    \@setmarks
+    \@outputpage
+    \begingroup
+      \@dblfloatplacement
+      \@startdblcolumn
+      \@whilesw\if@fcolmade \fi{\@outputpage\@startdblcolumn}%
+    \endgroup
+  \fi}
+\def\end@dblfloat{%
+  \if@twocolumn
+    \@endfloatbox
+    \ifnum\@floatpenalty <\z@
+      \@largefloatcheck
+      \global\dp\@currbox1sp %
+      \@cons\@currlist\@currbox
+      \ifnum\@floatpenalty <-\@Mii
+        \penalty -\@Miv
+        \@tempdima\prevdepth
+        \vbox{}%
+        \prevdepth\@tempdima
+        \penalty\@floatpenalty
+      \else
+        \vadjust{\penalty -\@Miv \vbox{}\penalty\@floatpenalty}\@Esphack
+      \fi
+    \fi
+  \else
+    \end@float
+  \fi
+}
+\def\@testwrongwidth #1{%
+  \ifdim\dp#1=\f@depth
+  \else
+    \global\@testtrue
+  \fi}
+\let\f@depth\z@
+\def\@dblfloatplacement{\global\@dbltopnum\c@dbltopnumber
+   \global\@dbltoproom \dbltopfraction\@colht
+   \@textmin \@colht
+   \advance \@textmin -\@dbltoproom
+   \@fpmin \dblfloatpagefraction\textheight
+   \@fptop \@dblfptop
+   \@fpsep \@dblfpsep
+   \@fpbot \@dblfpbot
+   \def\f@depth{1sp}}
+\def \@doclearpage {%
+     \ifvoid\footins
+       \setbox\@tempboxa\vsplit\@cclv to\z@ \unvbox\@tempboxa
+       \setbox\@tempboxa\box\@cclv
+       \xdef\@deferlist{\@toplist\@botlist\@deferlist}%
+       \global \let \@toplist \@empty
+       \global \let \@botlist \@empty
+       \global \@colroom \@colht
+       \ifx \@currlist\@empty
+       \else
+          \@latexerr{Float(s) lost}\@ehb
+          \global \let \@currlist \@empty
+       \fi
+       \@makefcolumn\@deferlist
+       \@whilesw\if@fcolmade \fi{\@opcol\@makefcolumn\@deferlist}%
+       \if@twocolumn
+         \if@firstcolumn
+           \xdef\@deferlist{\@dbltoplist\@deferlist}%
+           \global \let \@dbltoplist \@empty
+           \global \@colht \textheight
+           \begingroup
+              \@dblfloatplacement
+              \@makefcolumn\@deferlist
+              \@whilesw\if@fcolmade \fi{\@outputpage
+                                        \@makefcolumn\@deferlist}%
+           \endgroup
+         \else
+           \vbox{}\clearpage
+         \fi
+       \fi
+       \ifx\@deferlist\@empty \else\clearpage \fi
+     \else
+       \setbox\@cclv\vbox{\box\@cclv\vfil}%
+       \@makecol\@opcol
+       \clearpage
+     \fi
+}
+\def \@startdblcolumn {%
+  \@tryfcolumn \@deferlist
+  \if@fcolmade
+  \else
+    \begingroup
+      \let \reserved@b \@deferlist
+      \global \let \@deferlist \@empty
+      \let \@elt \@sdblcolelt
+      \reserved@b
+    \endgroup
+  \fi
+}
+\def\@addtonextcol{%
+  \begingroup
+   \@insertfalse
+   \@setfloattypecounts
+   \ifnum \@fpstype=8
+   \else
+     \ifnum \@fpstype=24
+     \else
+       \@flsettextmin
+       \@reqcolroom \ht\@currbox
+       \advance \@reqcolroom \@textmin
+       \ifdim \@colroom>\@reqcolroom
+         \@flsetnum \@colnum
+         \ifnum\@colnum>\z@
+            \@bitor\@currtype\@deferlist
+            \@testwrongwidth\@currbox
+            \if@test
+            \else
+              \@addtotoporbot
+            \fi
+         \fi
+       \fi
+     \fi
+   \fi
+   \if@insert
+   \else
+     \@cons\@deferlist\@currbox
+   \fi
+  \endgroup
+}
+\def\@addtodblcol{%
+  \begingroup
+   \@insertfalse
+   \@setfloattypecounts
+   \@getfpsbit \tw@
+   \ifodd\@tempcnta
+     \@flsetnum \@dbltopnum
+     \ifnum \@dbltopnum>\z@
+       \@tempswafalse
+       \ifdim \@dbltoproom>\ht\@currbox
+         \@tempswatrue
+       \else
+         \ifnum \@fpstype<\sixt@@n
+           \advance \@dbltoproom \@textmin
+           \ifdim \@dbltoproom>\ht\@currbox
+             \@tempswatrue
+           \fi
+           \advance \@dbltoproom -\@textmin
+         \fi
+       \fi
+       \if@tempswa
+           \@bitor \@currtype \@deferlist
+          \@testwrongwidth\@currbox
+           \if@test
+           \else
+              \@tempdima -\ht\@currbox
+              \advance\@tempdima
+                -\ifx \@dbltoplist\@empty \dbltextfloatsep \else
+                                          \dblfloatsep \fi
+              \global \advance \@dbltoproom \@tempdima
+              \global \advance \@colht \@tempdima
+              \global \advance \@dbltopnum \m@ne
+              \@cons \@dbltoplist \@currbox
+              \@inserttrue
+           \fi
+       \fi
+     \fi
+   \fi
+   \if@insert
+   \else
+     \@cons\@deferlist\@currbox
+   \fi
+  \endgroup
+}
+\def \@addtocurcol {%
+   \@insertfalse
+   \@setfloattypecounts
+   \ifnum \@fpstype=8
+   \else
+     \ifnum \@fpstype=24
+     \else
+       \@flsettextmin
+       \advance \@textmin \@textfloatsheight
+       \@reqcolroom \@pageht
+       \ifdim \@textmin>\@reqcolroom
+         \@reqcolroom \@textmin
+       \fi
+       \advance \@reqcolroom \ht\@currbox
+       \ifdim \@colroom>\@reqcolroom
+         \@flsetnum \@colnum
+         \ifnum \@colnum>\z@
+           \@bitor\@currtype\@deferlist
+          \@testwrongwidth\@currbox
+           \if@test
+           \else
+             \@bitor\@currtype\@botlist
+             \if@test
+               \@addtobot
+             \else
+               \ifodd \count\@currbox
+                 \advance \@reqcolroom \intextsep
+                 \ifdim \@colroom>\@reqcolroom
+                   \global \advance \@colnum \m@ne
+                   \global \advance \@textfloatsheight \ht\@currbox
+                   \global \advance \@textfloatsheight 2\intextsep
+                   \@cons \@midlist \@currbox
+                   \if@nobreak
+                     \nobreak
+                     \@nobreakfalse
+                     \everypar{}%
+                   \else
+                     \addpenalty \interlinepenalty
+                   \fi
+                   \vskip \intextsep
+                   \box\@currbox
+                   \penalty\interlinepenalty
+                   \vskip\intextsep
+                   \ifnum\outputpenalty <-\@Mii \vskip -\parskip\fi
+                   \outputpenalty \z@
+                   \@inserttrue
+                 \fi
+               \fi
+               \if@insert
+               \else
+                 \@addtotoporbot
+               \fi
+             \fi
+           \fi
+         \fi
+       \fi
+     \fi
+   \fi
+   \if@insert
+   \else
+     \@resethfps
+     \@cons\@deferlist\@currbox
+   \fi
+}
+\def\@xtryfc #1{%
+  \@next\reserved@a\@trylist{}{}%
+  \@currtype \count #1%
+  \divide\@currtype\@xxxii
+  \multiply\@currtype\@xxxii
+  \@bitor \@currtype \@failedlist
+  \@testfp #1%
+  \@testwrongwidth #1%
+  \ifdim \ht #1>\@colht
+     \@testtrue
+  \fi
+  \if@test
+    \@cons\@failedlist #1%
+  \else
+    \@ytryfc #1%
+  \fi}
+\def\@ztryfc #1{%
+  \@tempcnta\count #1%
+  \divide\@tempcnta\@xxxii
+  \multiply\@tempcnta\@xxxii
+  \@bitor \@tempcnta {\@failedlist \@flfail}%
+  \@testfp #1%
+  \@testwrongwidth #1%
+  \@tempdimb\@tempdima
+  \advance\@tempdimb\ht #1%
+  \advance\@tempdimb\@fpsep
+  \ifdim \@tempdimb >\@colht
+    \@testtrue
+  \fi
+  \if@test
+    \@cons\@flfail #1%
+  \else
+    \@cons\@flsucceed #1%
+    \@tempdima\@tempdimb
+  \fi}
+\def\@{\spacefactor\@m{}}
+\def\@tempa#1#2{#1#2\relax}
+\ifx\setlength\@tempa
+  \def\setlength#1#2{#1 #2\relax}
+\fi
+\def\addpenalty#1{%
+  \ifvmode
+    \if@minipage
+    \else
+      \if@nobreak
+      \else
+        \ifdim\lastskip=\z@
+          \penalty#1\relax
+        \else
+          \@tempskipb\lastskip
+          \begingroup
+            \advance \@tempskipb
+              \ifdim\prevdepth>\maxdepth\maxdepth\else
+                 \ifdim \prevdepth = -\@m\p@ \z@ \else \prevdepth \fi
+               \fi
+             \vskip -\@tempskipb
+             \penalty#1%
+             \vskip\@tempskipb
+          \endgroup
+          \vskip -\@tempskipb
+          \vskip \@tempskipb
+        \fi
+      \fi
+    \fi
+  \else
+    \@noitemerr
+  \fi}
+\def\@fnsymbol#1{%
+   \ifcase#1\or \TextOrMath\textasteriskcentered *\or
+   \TextOrMath \textdagger \dagger\or
+   \TextOrMath \textdaggerdbl \ddagger \or
+   \TextOrMath \textsection  \mathsection\or
+   \TextOrMath \textparagraph \mathparagraph\or
+   \TextOrMath \textbardbl \|\or
+   \TextOrMath {\textasteriskcentered\textasteriskcentered}{**}\or
+   \TextOrMath {\textdagger\textdagger}{\dagger\dagger}\or
+   \TextOrMath {\textdaggerdbl\textdaggerdbl}{\ddagger\ddagger}\else
+   \@ctrerr \fi
+}
+\begingroup\expandafter\expandafter\expandafter\endgroup
+\expandafter\ifx\csname eTeXversion\endcsname\relax
+\DeclareRobustCommand\TextOrMath{%
+  \ifmmode  \expandafter\@secondoftwo
+  \else     \expandafter\@firstoftwo  \fi}
+\protected@edef\TextOrMath#1#2{\TextOrMath{#1}{#2}}
+\else
+\protected\expandafter\def\csname TextOrMath\space\endcsname{%
+  \ifmmode  \expandafter\@secondoftwo
+  \else     \expandafter\@firstoftwo  \fi}
+\edef\TextOrMath#1#2{%
+  \expandafter\noexpand\csname TextOrMath\space\endcsname
+  {#1}{#2}}
+\fi
+\def\@esphack{%
+  \relax
+  \ifhmode
+    \spacefactor\@savsf
+    \ifdim\@savsk>\z@
+      \nobreak \hskip\z@skip  % <------
+      \ignorespaces
+    \fi
+  \fi}
+\def\@Esphack{%
+  \relax
+  \ifhmode
+    \spacefactor\@savsf
+    \ifdim\@savsk>\z@
+      \nobreak \hskip\z@skip  % <------
+      \@ignoretrue
+      \ignorespaces
+    \fi
+   \fi}
+\DeclareRobustCommand\em
+        {\@nomath\em \ifdim \fontdimen\@ne\font >\z@
+                       \eminnershape \else \itshape \fi}
+\def\eminnershape{\upshape}
+\DeclareRobustCommand*\textsubscript[1]{%
+  \@textsubscript{\selectfont#1}}
+\def\@textsubscript#1{%
+  {\m@th\ensuremath{_{\mbox{\fontsize\sf@size\z@#1}}}}}
+\def\@DeclareMathSizes #1#2#3#4#5{%
+  \@defaultunits\dimen@ #2pt\relax\@nnil
+  \if $#3$%
+    \expandafter\let\csname S@\strip@pt\dimen@\endcsname\math@fontsfalse
+  \else
+    \@defaultunits\dimen@ii #3pt\relax\@nnil
+    \@defaultunits\@tempdima #4pt\relax\@nnil
+    \@defaultunits\@tempdimb #5pt\relax\@nnil
+    \toks@{#1}%
+    \expandafter\xdef\csname S@\strip@pt\dimen@\endcsname{%
+      \gdef\noexpand\tf@size{\strip@pt\dimen@ii}%
+      \gdef\noexpand\sf@size{\strip@pt\@tempdima}%
+      \gdef\noexpand\ssf@size{\strip@pt\@tempdimb}%
+      \the\toks@
+    }%
+  \fi
+}
+\providecommand*\MakeRobust[1]{%
+  \@ifundefined{\expandafter\@gobble\string#1}{%
+    \@latex@error{The control sequence `\string#1' is undefined!%
+      \MessageBreak There is nothing here to make robust}%
+    \@eha
+  }%
+  {%
+    \@ifundefined{\expandafter\@gobble\string#1\space}%
+    {%
+      \expandafter\let\csname
+      \expandafter\@gobble\string#1\space\endcsname=#1%
+      \edef\reserved@a{\string#1}%
+      \def\reserved@b{#1}%
+      \edef\reserved@b{\expandafter\strip@prefix\meaning\reserved@b}%
+      \edef#1{%
+        \ifx\reserved@a\reserved@b
+          \noexpand\x@protect\noexpand#1%
+        \fi
+        \noexpand\protect\expandafter\noexpand
+        \csname\expandafter\@gobble\string#1\space\endcsname}%
+    }%
+    {\@latex@info{The control sequence `\string#1' is already robust}}%
+   }%
+}
+\MakeRobust\(
+\MakeRobust\)
+\MakeRobust\[
+\MakeRobust\]
+\MakeRobust\makebox
+\MakeRobust\savebox
+\MakeRobust\framebox
+\MakeRobust\parbox
+\MakeRobust\rule
+\MakeRobust\raisebox
+\def\@xfloat #1[#2]{%
+  \@nodocument
+  \def \@captype {#1}%
+   \def \@fps {#2}%
+   \@onelevel@sanitize \@fps
+   \def \reserved@b {!}%
+   \ifx \reserved@b \@fps
+     \@fpsadddefault
+   \else
+     \ifx \@fps \@empty
+       \@fpsadddefault
+     \fi
+   \fi
+   \ifhmode
+     \@bsphack
+     \@floatpenalty -\@Mii
+   \else
+     \@floatpenalty-\@Miii
+   \fi
+  \ifinner
+     \@parmoderr\@floatpenalty\z@
+  \else
+    \@next\@currbox\@freelist
+      {%
+       \@tempcnta \sixt@@n
+       \expandafter \@tfor \expandafter \reserved@a
+         \expandafter :\expandafter =\@fps
+         \do
+          {%
+           \if \reserved@a h%
+             \ifodd \@tempcnta
+             \else
+               \advance \@tempcnta \@ne
+             \fi
+           \else\if \reserved@a t%
+             \@setfpsbit \tw@
+           \else\if \reserved@a b%
+             \@setfpsbit 4%
+           \else\if \reserved@a p%
+             \@setfpsbit 8%
+           \else\if \reserved@a !%
+             \ifnum \@tempcnta>15
+               \advance\@tempcnta -\sixt@@n\relax
+             \fi
+           \else
+             \@latex@error{Unknown float option `\reserved@a'}%
+             {Option `\reserved@a' ignored and `p' used.}%
+             \@setfpsbit 8%
+           \fi\fi\fi\fi\fi
+           }%
+       \@tempcntb \csname ftype@\@captype \endcsname
+       \multiply \@tempcntb \@xxxii
+       \advance \@tempcnta \@tempcntb
+       \global \count\@currbox \@tempcnta
+       }%
+    \@fltovf
+  \fi
+  \global \setbox\@currbox
+    \color@vbox
+      \normalcolor
+      \vbox \bgroup
+        \hsize\columnwidth
+        \@parboxrestore
+        \@floatboxreset
+}
+ \def\@stpelt#1{\global\csname c@#1\endcsname \m@ne\stepcounter{#1}}
+\EndIncludeInRelease
+\endinput
+%%
+%% End of file `fixltx2e.sty'.