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diff --git a/Master/texmf-dist/tex/latex/swfigure/swfigure.sty b/Master/texmf-dist/tex/latex/swfigure/swfigure.sty
new file mode 100644
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@@ -0,0 +1,234 @@
+%%
+%% This is file `swfigure.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% swfigure.dtx  (with options: `package')
+%% 
+%%   Copyright (C)  2020 Claudio Beccari  all rights reserved.
+%%   License information appended
+%% 
+\NeedsTeXFormat{LaTeX2e}[2020/01/01]
+\ProvidesPackage{swfigure}%
+        [2020-10-11 v.0.9.07 Managing large and spread wide figures]
+\RequirePackage{etoolbox}
+\RequirePackage{xparse}
+\RequirePackage{xfp}
+
+\ExplSyntaxOn
+\AtBeginDocument{%
+\ProvideExpandableDocumentCommand\fptest{m m m}{%
+   \fp_compare:nTF{#1}{#2}{#3}}
+}
+\ExplSyntaxOff
+
+\RequirePackage{trace}
+
+\RequirePackage{graphicx}
+\RequirePackage{afterpage}
+\RequirePackage{wrapfig}
+
+\newdimen\internalmargin
+\internalmargin=\dimexpr\oddsidemargin+1in+1bp\relax
+\newdimen\spreadwidth
+\spreadwidth=\dimexpr 2\textwidth+2\internalmargin\relax
+\newdimen\DFwidth
+\newdimen\DFheight
+\newdimen\DFhalfwidth
+\newdimen\DFheight
+\newdimen\FigSpace
+\newsavebox\DFtotalimage
+\newsavebox\DFimageI
+\newsavebox\DFimageII
+\newsavebox\RFbox
+\newdimen\VS@textwidth
+\newcount\VS@lines
+
+\NewDocumentCommand\DFcaption{O{#2} m o}{\refstepcounter{figure}%
+  \vtop to 0pt{\hsize=\textheight\parindent=0pt\leavevmode
+  Figure \thefigure\quad #2\vss}%
+  \addcontentsline{lof}{figure}{\protect\numberline{\thefigure}#1}
+  \IfValueT{#3}{\label{#3}}\relax%
+}
+
+\DeclareRobustCommand\cleartoevenpage{%
+  \clearpage\ifodd\value{page}\null\clearpage\fi}
+\NewDocumentEnvironment{DFimage}{O{SW} m O{#4} m o D(){0.8} D<>{0}}{%
+\ifstrequal{#1}{SW}%
+  {%
+    \SWfigure{#2}[#3]{#4}[#5]%
+  }%
+  {\ifstrequal{#1}{NF}%
+    {%
+      \NFfigure{#2}[#3]{#4}[#5](#6)%
+    }%
+    {\ifstrequal{#1}{RF}% OK
+      {%
+        \RFfigure{#2}[#3]{#4}[#5]%
+      }%
+      {\ifstrequal{#1}{VS}%
+        {%
+          \VSfigure{#2}[#3]{#4}[#5](#6)<#7>%
+        }%
+        {\ifstrequal{#1}{HS}
+          {%
+          \HSfigure{#2}[#3]{#4}[#5](#6)%
+         }%
+          {\PackageWarning{swfigure}%
+          {%
+            **************************************\MessageBreak
+            Option #1\space is not valid           \MessageBreak
+            Nothing done                           \MessageBreak
+            Image #2\space was not processed       \MessageBreak
+            **************************************\MessageBreak}%
+          }%
+        }%
+      }%
+    }%
+  }%
+}%
+
+\NewDocumentCommand\SWfigure{m O{#3} m o}{%
+\unless\ifvmode
+  \csuse{@bsphack}%
+  \vadjust{\vspace{0pt plus1fill}\csuse{@esphack}\newpage}%
+\fi
+\cleartoevenpage
+\setbox\DFtotalimage=\hbox{\includegraphics{#1}}%
+\DFwidth=\wd\DFtotalimage \DFhalfwidth=0.5\DFwidth
+\DFheight=\ht\DFtotalimage
+\FigSpace=\dimexpr\textwidth+\internalmargin\relax
+\setbox\DFimageI\hbox{\bgroup
+\edef\x{\egroup\noexpand\includegraphics*[%
+trim = 0 0 \the\DFhalfwidth\space 0]}\x{#1}}%
+\setbox\DFimageII\hbox{\bgroup
+\edef\x{\egroup\noexpand\includegraphics*[%
+trim = \the\DFhalfwidth\space 0 0 0]}\x{#1}}%
+\fptest{\DFheight/\DFhalfwidth > \textheight/\FigSpace}%
+  {\edef\DFscalefactor{\fpeval{\textheight/\DFheight}}}%
+  {\edef\DFscalefactor{\fpeval{\FigSpace/\DFhalfwidth}}}%
+\setbox\DFimageI=\hbox{\scalebox{\DFscalefactor}{\usebox{\DFimageI}}}%
+\setbox\DFimageII=\hbox{\scalebox{\DFscalefactor}{\usebox{\DFimageII}}}%
+\begin{figure}[p]%
+\vbox to\textheight{\vss\hsize=\textwidth%\
+\makebox[\hsize][l]{\makebox[\FigSpace][r]{\box\DFimageI}}\vss}%
+\end{figure}\clearpage
+\begin{figure}[p]%
+\vbox to\textheight{\vss\hsize=\textwidth
+\makebox[\hsize][r]{\makebox[\FigSpace][l]{\box\DFimageII}%
+\makebox(0,0)[lb]{\hspace*{1em}\raisebox{0.5\textheight}{%
+\rotatebox[origin=tc]{90}{\DFcaption[#2]{#3}[#4]%
+}}}}\vss}%
+\end{figure}\clearpage}
+
+\NewDocumentCommand\NFfigure{m O{#3} m o d()}{%
+  \begin{figure}[p]
+    \includegraphics[width=\linewidth,height=#5\textheight,
+                     keepaspectratio]{#1}%
+    \caption[#2]{#3}%
+    \IfValueT{#4}{\label{#4}}\relax
+  \end{figure}
+}
+
+\NewDocumentCommand\RFfigure{m O{#3} m o}{%
+      \dimen8=\textwidth\dimen10=\textheight
+      \figure[p]\setbox\RFbox=\hbox{%
+      \rotatebox[origin=cc]{90}{\parbox[b][\dimen8][c]{\dimen10}%
+        {\centering\includegraphics[width=\dimen10, height=\dimen8,
+                        keepaspectratio]{#1}%
+          \caption[#2]{#3}%
+          \IfValueT{#4}{\label{#4}}\relax%
+        }}}%
+        \edef\RFx{\fpeval{\ht\RFbox/\textheight}}%
+        \edef\RFy{\fpeval{\wd\RFbox/\textwidth}}%
+        \fptest{\RFx > \RFy}%
+          {\scalebox{\RFx}{\box\RFbox}}%
+          {\scalebox{\RFy}{\box\RFbox}}%
+        \endfigure}
+
+\NewDocumentCommand\VSfigure{m O{#3} m o d() D<>{0}}{%
+   \setbox\DFtotalimage=\hbox{\includegraphics{#1}}
+   \DFwidth=\wd\DFtotalimage \DFheight=\ht\DFtotalimage
+   \edef\VS@aspectratio{\fpeval{\DFheight/\DFwidth}}
+   \fptest{ \VS@aspectratio < 2 }%
+     {\begin{center}\ttfamily
+      ===========================================\\
+      Figure #2 is not tall enough.\\
+      Consider using a display mode different\\
+      from VS; may be NF or RF are better suited.\\
+      ===========================================\\
+      Nothing done!\\
+      ===========================================
+      \end{center}
+     }%
+     {\edef\VS@factor{\fpeval{#5\textheight/\DFheight}}%
+   \setbox\DFtotalimage=
+     \hbox{\scalebox{\VS@factor}{\box\DFtotalimage}}%
+   \edef\VS@width{\fpeval{\VS@factor*\DFwidth}\p@}%
+   \setbox\DFtotalimage=\vbox{\hsize=\VS@width%
+   \def\@captype{figure}\box\DFtotalimage
+   \caption[#2]{#3}%
+   \IfValueT{#4}{\label{#4}}\relax}
+   \VS@lines=
+   \fpeval{round(\ht\DFtotalimage/\baselineskip,0)+#6}%
+   \begin{wrapfigure}[\VS@lines]{O}[0pt]{\VS@width}%
+   \box\DFtotalimage
+   \end{wrapfigure}}%
+}
+
+\NewDocumentCommand\HSfigure{m o m o d()}{%
+  \unless\ifvmode
+    \csuse{@bsphack}%
+    \vadjust{\vspace{0pt plus1fill}\csuse{@esphack}\newpage}%
+  \fi
+  \cleartoevenpage
+  \setbox\DFtotalimage=\hbox{\includegraphics{#1}}
+  \DFwidth=\wd\DFtotalimage \DFhalfwidth=0.5\DFwidth
+  \FigSpace=0.5\spreadwidth% W
+  \setbox\DFimageI\hbox{\bgroup
+  \edef\x{\egroup\noexpand\includegraphics*[%
+          trim = 0 0 \the\DFhalfwidth\space 0]}\x{#1}}%
+  \setbox\DFimageII\hbox{\bgroup
+  \edef\x{\egroup\noexpand\includegraphics*[%
+         trim = \the\DFhalfwidth\space 0 0 0]}\x{#1}}%
+  \edef\DFscalefactor{\fpeval{\FigSpace/\DFhalfwidth}}%
+  \setbox\DFimageI=\hbox{%
+    \scalebox{\DFscalefactor}{\usebox{\DFimageI}}}%
+  \setbox\DFimageII=\hbox{%
+    \scalebox{\DFscalefactor}{\usebox{\DFimageII}}}%
+  \setbox\DFimageII=
+    \hbox{\dimen10=\linewidth\dimen8\internalmargin
+           \vbox{\hsize\DFhalfwidth\parindent\z@
+             \box\DFimageII\par
+             \leavevmode\hspace*{\dimen8}%
+             \vtop{\hsize\dimen10\parindent\z@
+               \textwidth=\hsize
+               \DFcaption[#2]{#3}[#4]%
+              }%
+            }%
+          }%
+  \setbox\DFimageI=\vbox to\ht\DFimageII{\box\DFimageI\vss}%
+  \begin{figure}[t]
+  \makebox[\textwidth][l]{%
+    \makebox[\DFhalfwidth][l]{\box\DFimageI}}%
+  \end{figure}
+  \afterpage{%
+    \begin{figure}[t]
+    \makebox[\textwidth][r]{%
+       \makebox[\DFhalfwidth][r]{\box\DFimageII}}%
+    \end{figure}%
+  }
+}
+%% 
+%% Distributable under the LaTeX Project Public License,
+%% version 1.3c or higher (your choice). The latest version of
+%% this license is at: http://www.latex-project.org/lppl.txt
+%% 
+%% This work is "maintained"
+%% 
+%% This work consists of files swfigure.dtx and READEME.txt, and the derived
+%% files swfigure.sty and swfigure.pdf
+%% 
+%%
+%% End of file `swfigure.sty'.