CTAN sync 202005260301

109 files changed, 6496 insertions, 1019 deletions

diff --git a/FILES.byname b/FILES.byname
index ef6470a4d7..c07d863c8c 100644
--- a/FILES.byname
+++ b/FILES.byname
@@ -5001,7 +5001,7 @@
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 1990/10/02 |        812 | dviware/vutex/vaxvms.ins
 1990/10/02 |     127576 | dviware/vutex/vutex.web
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 2018/06/27 |      99883 | fonts/academicons/academicons.pdf
 2018/06/27 |      10779 | fonts/academicons/academicons.sty
 2018/06/27 |       5774 | fonts/academicons/academicons.tex
@@ -135804,6 +135804,11 @@
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 2018/02/06 |     257021 | graphics/pgf/contrib/tikz-ladder.zip
+2020/05/25 |       1395 | graphics/pgf/contrib/tikz-lake-fig/README.md
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 2018/02/16 |        650 | graphics/pgf/contrib/tikz-layers/README
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@@ -171886,23 +171891,24 @@
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 2019/09/07 |     563886 | language/japanese/platex-tools.zip
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@@ -173217,6 +173223,17 @@
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 2005/04/27 |      98071 | language/maltese.zip
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+2020/05/08 |      10660 | language/marathi/report.tex
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diff --git a/graphics/pgf/contrib/tikz-lake-fig/README.md b/graphics/pgf/contrib/tikz-lake-fig/README.md
new file mode 100644
index 0000000000..5d64135249
--- /dev/null
+++ b/graphics/pgf/contrib/tikz-lake-fig/README.md
@@ -0,0 +1,40 @@
+# tikz-lake-fig
+
+[![GitHub](https://img.shields.io/github/license/jsta/tikz-lake-fig.svg?color=blue)](http://www.latex-project.org/lppl.txt)
+[![GitHub tag (latest SemVer)](https://img.shields.io/github/tag/jsta/tikz-lake-fig.svg?label=current%20version)](https://github.com/jsta/tikz-lake-fig/releases/latest)
+[![CTAN](https://img.shields.io/ctan/v/tikz-lake-fig.svg)](https://ctan.org/pkg/tikz-lake-fig)
+
+A collection of schematic diagrams of lakes for use in LaTeX documents. Diagrams include representations of material budgets, fluxes, and connectivity arrangements.
+
+## Usage
+
+Call diagram commands in your document by setting `tikz-lake-fig.sty` as an input (e.g. `\usepackage{tikz-lake-fig}`). Each command takes a single argument specifiying the scale of the diagram (optionally a second argument for fill color):
+
+```latex
+\documentclass{standalone}
+\usepackage{tikz-lake-fig}
+
+\begin{document}
+	
+\secondarywireframe[1]
+	
+\end{document}
+```
+
+![tikz lakes](example.png)
+
+## Prerequsites
+
+### LaTeX packages
+
+| import          | pbox         | relsize |
+| --------------- | ------------ | ------- |
+| __pgfplots__    | __subfiles__ |         |
+
+## Gallery
+
+See [tikz-lake-fig-doc.pdf](https://github.com/jsta/tikz-lake-fig/blob/master/tikz-lake-fig-doc.pdf)
+
+## Links
+
+This collection inspired by [JLDiaz](https://tex.stackexchange.com/questions/95044/create-diagrams-in-latex-with-tikz)
diff --git a/graphics/pgf/contrib/tikz-lake-fig/tikz-lake-fig-doc.pdf b/graphics/pgf/contrib/tikz-lake-fig/tikz-lake-fig-doc.pdf
new file mode 100644
index 0000000000..ad66c4b7f3
--- /dev/null
+++ b/graphics/pgf/contrib/tikz-lake-fig/tikz-lake-fig-doc.pdf
diff --git a/graphics/pgf/contrib/tikz-lake-fig/tikz-lake-fig-doc.tex b/graphics/pgf/contrib/tikz-lake-fig/tikz-lake-fig-doc.tex
new file mode 100644
index 0000000000..ac52ed101c
--- /dev/null
+++ b/graphics/pgf/contrib/tikz-lake-fig/tikz-lake-fig-doc.tex
@@ -0,0 +1,157 @@
+\documentclass[bigger]{beamer}
+\usepackage[utf8]{inputenc}
+\usepackage{graphicx}
+\usepackage{pgfplots}
+\usepackage{tabularx}
+
+\setbeamertemplate{navigation symbols}{}%remove navigation symbols
+\setbeamertemplate{caption}{\raggedright\insertcaption\par}
+
+\usepackage{tikz-lake-fig}
+
+\begin{document}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\section{2D inputs outputs}
+  \begin{frame}{2D inputs outputs}
+  
+    \begin{tabular}{c|c}
+    \begin{minipage}{0.65\textwidth}\lakediagramblue[0.6]\end{minipage} & lake diagram blue\\
+    \begin{minipage}{0.65\textwidth}\lakediagramgreen[0.6]\end{minipage} & lake diagram green
+    \end{tabular}
+  
+  \end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\section{3D profile blue}
+  \begin{frame}{3D profile blue}
+   
+    \begin{tabular}{c|c}
+    {Isolated}
+     \begin{minipage}{0.55\textwidth}\isolatedprofile[0.4]{cyan}\end{minipage} & isolated profile\\
+    {Headwater} 
+     \begin{minipage}{0.55\textwidth}\headwaterprofile[0.6]{cyan}\end{minipage} & headwater profile\\
+    {Primary}
+     \begin{minipage}{0.55\textwidth}\primaryprofile[0.6]{cyan}\end{minipage} & primary profile\\
+    {Secondary}
+     \begin{minipage}{0.55\textwidth}\secondaryprofile[0.8]{cyan}\end{minipage} & secondary profile
+    \end{tabular}
+  
+  \end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\section{3d profile green}
+  \begin{frame}{3d profile green}
+   
+    \begin{tabular}{c|c}
+    {Isolated}
+     \begin{minipage}{0.55\textwidth}\isolatedprofile[0.4]{green}\end{minipage} & isolated profile\\
+    {Headwater} 
+     \begin{minipage}{0.55\textwidth}\headwaterprofile[0.6]{green}\end{minipage} & headwater profile\\
+    {Primary}
+     \begin{minipage}{0.55\textwidth}\primaryprofile[0.6]{green}\end{minipage} & primary profile\\
+    {Secondary}
+     \begin{minipage}{0.55\textwidth}\secondaryprofile[0.8]{green}\end{minipage} & secondary profile
+    \end{tabular}
+  
+  \end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\section{2D Connectivity Diagram}
+  \begin{frame}{2D Connectivity Diagram}
+  \begin{minipage}[c]{\paperwidth}
+    \connectivitydiagram[1]
+  \end{minipage}
+  \end{frame}
+  
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\section{Isolated Budget}
+  \begin{frame}{Isolated Budget}
+    \begin{center}
+      \isolatedwireframe[1.2]
+    \end{center}
+  \end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\section{Secondary Budget}
+  \begin{frame}{Secondary Budget}
+    \begin{center}
+      \secondarywireframe[1]
+    \end{center}
+  \end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\section{Secondary Shaded}
+  \begin{frame}{Secondary Shaded}
+    \begin{center}
+      \secondaryprofileflatequal[0.8]{gray}
+      \definecolor{halfgrey}{HTML}{aaaaaa}
+      \secondaryprofileflatequal[0.8]{halfgrey}
+      \secondaryprofileflatequal[0.8]{white}
+    \end{center}
+  \end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\section{3D Connectivity Diagram}
+\begin{frame}{3D Connectivity Diagram}
+    \begin{center}
+      \secondaryprofileflatequal[0.8]{white}
+      \primaryprofileflatequal[0.8]{white} \\
+      \isolatedprofileflatequal[0.8]{white}
+    \end{center}
+  \end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\section{2D Watershed Connectivity}
+\begin{frame}
+\begin{columns}[t]
+\begin{column}{0.7\textwidth}
+\begin{figure}\flushleft
+      \watershedconnectivity[0.73]
+\end{figure}
+\end{column}
+\begin{column}{0.3\textwidth}
+\end{column}
+\end{columns}
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\section{Incremental versus Cumulative Loading}
+\begin{frame}{Incremental versus Cumulative Loading}
+  \begin{center}
+    \incrementalcumulativeloads[1.1]
+  \end{center}
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\section{Retention vs Trapping}
+\begin{frame}{Retention vs Trapping}
+  \begin{center}
+    \retentiontrapping[1.1]
+  \end{center}
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\section{Isolated vs Ecological Context}
+\begin{frame}{Isolated vs Ecological Context}
+
+  \begin{minipage}[b]{0.28\paperwidth}
+    \isolated[0.96]
+    \vspace{0.7em}
+  \end{minipage}
+  \begin{minipage}[b]{0.22\paperwidth}
+    \secondary[1.3]
+  \end{minipage}
+  \begin{minipage}[b]{0.24\paperwidth}
+    \secondarypluswatershed[1.3]
+  \end{minipage}
+  
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\end{document}
diff --git a/graphics/pgf/contrib/tikz-lake-fig/tikz-lake-fig.sty b/graphics/pgf/contrib/tikz-lake-fig/tikz-lake-fig.sty
new file mode 100644
index 0000000000..eefdb68d64
--- /dev/null
+++ b/graphics/pgf/contrib/tikz-lake-fig/tikz-lake-fig.sty
@@ -0,0 +1,910 @@
+%% tikz-lake-fig.tex
+%%
+%% Copyright (C) 2016 - 2020  Joseph Stachelek
+%%
+%% This file is part of tikz-lake-fig repository.
+%%
+%% Released under the LaTeX Project Public License v1.3c or later
+%% See http://www.latex-project.org/lppl.txt
+
+
+\ProvidesPackage{tikz-lake-fig}%
+[2020/05/22 The tikz-lake-fig lake drawing package version 1.0]
+
+\PassOptionsToPackage{x11names}{xcolor}
+\usepackage{tikz}
+\usetikzlibrary{decorations.pathmorphing,calc}
+\usepackage{subfiles}
+\usepackage{pbox}
+\usepackage{multirow}
+\usepackage{tabularx}
+\usepackage{colortbl}
+
+\usepackage{array}
+\newcolumntype{L}[1]{>{\raggedright\let\newline\\\arraybackslash\hspace{0pt}}m{#1}}
+\newcolumntype{R}[1]{>{\raggedleft\let\newline\\\arraybackslash\hspace{0pt}}m{#1}}
+
+\def\mystrut(#1,#2){\vrule height #1 depth #2 width 0pt}
+
+\newcolumntype{C}[1]{%
+   >{\mystrut(3ex,2ex)\centering}%
+   p{#1}%
+   <{}}
+
+\newcolumntype{K}[1]{%
+ >{\vbox to 5ex\bgroup\vfill\centering}%
+ p{#1}%
+ <{\egroup}}
+
+% \definecolor{darkgreen}{rgb}{0.13,0.62,0.25}
+\definecolor{darkgreen}{RGB}{23,155,51}
+
+\usepackage{relsize}
+\tikzset{fontscale/.style = {font=\relsize{#1}}
+    }
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \section{lakediagramgreen}
+\def\lakediagramgreen[#1]{
+\begin{tikzpicture}[scale = #1]
+% https://tex.stackexchange.com/questions/95044/create-diagrams-in-latex-with-tikz
+
+% Define some reference points 
+% The figure is drawn a bit bigger, and then clipped to the following dimensions:
+\coordinate (clipping area) at (10, 7);
+\clip (0,0) rectangle (clipping area);
+
+% Next reference points are relative to the lower left corner of the clipping area
+\coordinate (water level) at (0, 6);
+\coordinate (bottom)      at (5, 1.3);     % (bottom of the pit)
+\coordinate (ground1)     at (0, 5);       % (left shore)
+\coordinate (ground2)     at (10, 5);      % (right shore)
+
+% Coordinates of the bigger area really drawn
+\coordinate (lower left)  at ([xshift=-5mm, yshift=-5mm] 0,0);
+\coordinate (upper right) at ([xshift=5mm,  yshift=5mm] clipping area);
+
+% Draw the water and ripples
+\draw [draw=blue!80!black, decoration={bumps, mirror, segment length=6mm}, decorate,
+     bottom color=cyan!60!black, top color=darkgreen!20!white] 
+  (lower left) rectangle (water level-|upper right);
+
+% Draw the ground
+\draw [draw=brown!30!black, fill=brown] 
+  (lower left) -- (lower left|-ground1)  --
+  (ground1) .. controls ($(ground1)!.3!(bottom)$) and (bottom-|ground1) ..
+  (bottom) .. controls (bottom-|ground2) and ($(ground2)!.3!(bottom)$) .. 
+  (ground2) -- (ground2-|upper right) -- (lower left-|upper right) -- cycle;
+
+% \draw[dotted](0,0) rectangle (clipping area);
+
+% labels
+\draw[>=stealth, ->, line width = 0.7mm] (0, 5.5) -- (3, 5.5) node at (1.5, 4.8) {Inputs};
+\draw[>=stealth, ->, line width = 0.2mm] (8, 5.5) -- (10, 5.5) node at (8.5, 4.8) {Outputs};
+
+\end{tikzpicture}
+}
+
+% \section{lakediagramblue}
+\def\lakediagramblue[#1]{
+\begin{tikzpicture}[scale = #1]
+% https://tex.stackexchange.com/questions/95044/create-diagrams-in-latex-with-tikz
+
+% Define some reference points 
+% The figure is drawn a bit bigger, and then clipped to the following dimensions:
+\coordinate (clipping area) at (10, 7);
+\clip (0,0) rectangle (clipping area);
+
+% Next reference points are relative to the lower left corner of the clipping area
+\coordinate (water level) at (0, 6);
+\coordinate (bottom)      at (5, 1.3);     % (bottom of the pit)
+\coordinate (ground1)     at (0, 5);       % (left shore)
+\coordinate (ground2)     at (10, 5);      % (right shore)
+
+% Coordinates of the bigger area really drawn
+\coordinate (lower left)  at ([xshift=-5mm, yshift=-5mm] 0,0);
+\coordinate (upper right) at ([xshift=5mm,  yshift=5mm] clipping area);
+
+% Draw the water and ripples
+\draw [draw=blue!80!black, decoration={bumps, mirror, segment length=6mm}, decorate,
+     bottom color=cyan!60!black, top color=blue!20!white] 
+  (lower left) rectangle (water level-|upper right);
+
+% Draw the ground
+\draw [draw=brown!30!black, fill=brown] 
+  (lower left) -- (lower left|-ground1)  --
+  (ground1) .. controls ($(ground1)!.3!(bottom)$) and (bottom-|ground1) ..
+  (bottom) .. controls (bottom-|ground2) and ($(ground2)!.3!(bottom)$) .. 
+  (ground2) -- (ground2-|upper right) -- (lower left-|upper right) -- cycle;
+
+% \draw[dotted](0,0) rectangle (clipping area);
+
+% labels
+\draw[>=stealth, ->, line width = 0.5mm] (0, 5.5) -- (3, 5.5) node at (1.5, 4.8) {Inputs};
+\draw[>=stealth, ->, line width = 0.5mm] (8, 5.5) -- (10, 5.5) node at (8.5, 4.8) {Outputs};
+
+\end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \section{isolated}
+\def\isolated[#1]{
+  \begin{tikzpicture}[scale = #1]
+    \draw[cyan, ultra thick, domain=0:350, smooth cycle, fill=cyan] plot (\x:1+rnd*0.5);
+    \node[fontscale=2.5] at (0, 0) {Isolated};
+  \end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% \section{headwater}
+\def\headwater[#1]{
+  \begin{tikzpicture}[scale = #1]
+    \draw [-,ultra thick, cyan] (0,0) to [out=90,in=0] (0.2,-2) to [out=180,in=90] (-1,-3);
+    \draw[cyan, ultra thick, domain=0:350, smooth cycle, fill=cyan] (0,3) plot (\x:1+rnd*0.5);
+    \node[fontscale=2.5] at (0, 0) {Headwater};
+  \end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% \section{primary}
+\def\primary[#1]{
+  \begin{tikzpicture}[scale = #1]
+    \draw [-,ultra thick, cyan] (-1,3) to [out=270,in=180] (0.2,2) to [out=0,in=90] (0,0);
+    \draw[cyan, ultra thick, domain=0:350, smooth cycle, fill=cyan] (0,-3) plot (\x:1+rnd*0.5);
+    \node[fontscale=2.5] at (0, 0) {Primary};
+  \end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% \section{secondary}
+\def\secondary[#1]{
+  \begin{tikzpicture}[scale = #1]
+    \draw [-,ultra thick, cyan] (-1,3) to [out=270,in=180] (0.2,2) to [out=0,in=90] (0,0.3) to [out=90,in=0] (0,-1) to [out=90,in=0] (0.2,-2) to [out=180,in=90] (-1,-3);
+    \draw[cyan, ultra thick, domain=0:350, smooth cycle, fill=cyan,yshift=20] plot (\x:0.5+rnd*0.25);
+    \draw[cyan, ultra thick, domain=0:350, smooth cycle, fill=cyan,yshift=-50] plot (\x:0.8+rnd*0.5);
+    \node[fontscale=2.5] at (0,-1.7) {Connected};
+  \end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% \section{secondarypluswatershed}
+\def\secondarypluswatershed[#1]{
+  \begin{tikzpicture}[scale = #1]
+  %\draw[step=1cm,gray,very thin] (-3,-2) grid (3,3);
+
+      % iws
+      \draw[cyan,ultra thick,dashed] % 
+      (-1.1,-1.6) to % 
+      (-1.5, 0.2) to %
+      % (-3, 7.5) to %
+      (-1.9, 2.3) to %
+      (-1.1, 3.1) to %
+      (1.1, 3.1) to %
+      (1.9, 2.3) to %
+      % (3, 7.5) to %
+      (1.5, 0.2) to %
+      (1.1, -1.6);
+      
+    \draw [-,ultra thick, cyan] (-1,3) to [out=270,in=180] (0.2,2) to [out=0,in=90] (0,0.3) to [out=90,in=0] (0,-1) to [out=90,in=0] (0.2,-2) to [out=180,in=90] (-1,-3);
+    \draw[cyan, ultra thick, domain=0:350, smooth cycle, fill=cyan,yshift=20] plot (\x:0.5+rnd*0.25);
+    \draw[cyan, ultra thick, domain=0:350, smooth cycle, fill=cyan,yshift=-50] plot (\x:0.8+rnd*0.5);
+    \node[fontscale=2.5] at (0,-1.7) {Embedded};
+  \end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% \section{connectivitydiagram}
+\def\connectivitydiagram[#1]{
+    \begin{minipage}[c]{0.23\textwidth}
+      \secondary[#1]
+    \end{minipage}
+    \begin{minipage}[c]{0.2\textwidth}
+      \primary[#1/1.2]
+    \end{minipage}
+    \begin{minipage}[c]{0.2\textwidth}
+      \headwater[#1/1.2]
+    \end{minipage}
+    \begin{minipage}[c]{0.2\textwidth}
+      \isolated[#1/1.2]
+    \end{minipage}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \section{secondaryprofile}
+\def\secondaryprofile[#1]#2{
+\begin{tikzpicture}[scale = #1]
+  \draw [-,line width = 5, #2!100!black] (0.9,0) to [out=0,in=180] (1.55,0);
+  \draw [-,line width = 5, dashed, #2!100!black] (5.5,0) to [out=0,in=180] (6.2,0);
+  % \node at (2, 1) {Secondary};
+\fill[
+  top color=#2!100,
+  bottom color=#2!40,
+  shading=axis,
+  opacity=0.45
+  ] 
+  (0,0) circle (1cm and 0.25cm);
+\fill[
+  left color=#2!50!black,
+  right color=#2!50!black,
+  middle color=#2!100,
+  shading=axis,
+  opacity=0.25
+  ] 
+  (1,0) {[rounded corners=45pt] -- (0,-2)} -- (-1,0) arc (180:360:1cm and 0.25cm);
+  
+\fill[
+  top color=#2!100,
+  bottom color=#2!40,
+  shading=axis,
+  opacity=0.45,
+  xshift=100
+  ] 
+  (0,0) circle (2cm and 0.5cm);
+\fill[
+  left color=#2!50!black,
+  right color=#2!50!black,
+  middle color=#2!100,
+  shading=axis,
+  opacity=0.25,
+  xshift=100
+  ] 
+  (2,0) {[rounded corners=45pt] -- (0,-3)} -- (-2,0) arc (180:360:2cm and 0.5cm);
+\end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \section{secondaryprofileflatequal}
+\def\secondaryprofileflatequal[#1]#2{
+\begin{tikzpicture}[scale = #1]
+  \draw [fill=#2, ultra thick] (0.1,-.3) rectangle (1.7,0.1);
+  \draw [fill=#2, ultra thick] (5.3,0.1) rectangle (6.2,-0.3);
+  % \node at (2, 1) {Secondary};
+\draw
+  [fill=#2,
+  ultra thick,
+  xshift=-50
+  ] 
+  (0,0) circle (2cm and 0.5cm);
+\draw
+  [fill=#2,
+  ultra thick,
+  xshift=-50
+  ] 
+  (2,0) {[rounded corners=45pt] -- (0,-3)} -- (-2,0) arc (180:360:2cm and 0.5cm);
+  
+\draw
+  [fill = #2,
+  ultra thick,
+  xshift=100
+  ] 
+  (0,0) circle (2cm and 0.5cm);
+\draw
+  [fill = #2,
+  ultra thick,
+  xshift=100
+  ] 
+  (2,0) {[rounded corners=45pt] -- (0,-3)} -- (-2,0) arc (180:360:2cm and 0.5cm);
+\end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \section{primaryprofileflatequal}
+\def\primaryprofileflatequal[#1]#2{
+\begin{tikzpicture}[scale = #1]
+  \draw [fill=#2, ultra thick] (1.8,-.3) rectangle (3.2,0.1);
+  \draw [fill=#2, ultra thick] (-1.8,0.1) rectangle (-3.2,-0.3);
+  % \node at (2, 1) {Secondary};
+\draw
+  [fill=#2,
+  ultra thick
+  ] 
+  (0,0) circle (2cm and 0.5cm);
+\clip (-2,-3) rectangle (2,0);
+\draw
+  [fill=#2,
+  ultra thick
+  ] 
+  (2,0) {[rounded corners=45pt] -- (0,-3)} -- (-2,0) arc (180:360:2cm and 0.5cm);
+
+\end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \section{headwaterprofileflatequal}
+\def\headwaterprofileflatequal[#1]#2{
+\begin{tikzpicture}[scale = #1]
+  \draw [fill=#2, ultra thick] (1.8,-.3) rectangle (3.2,0.1);
+  % \node at (2, 1) {Secondary};
+\draw
+  [fill=#2,
+  ultra thick
+  ] 
+  (0,0) circle (2cm and 0.5cm);
+\clip (-2,-3) rectangle (2,0);
+\draw
+  [fill=#2,
+  ultra thick
+  ] 
+  (2,0) {[rounded corners=45pt] -- (0,-3)} -- (-2,0) arc (180:360:2cm and 0.5cm);
+
+\end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \section{isolatedprofileflatequal}
+\def\isolatedprofileflatequal[#1]#2{
+\begin{tikzpicture}[scale = #1]
+\draw
+  [fill=#2,
+  ultra thick
+  ] 
+  (0,0) circle (2cm and 0.5cm);
+\clip (-2,-3) rectangle (2,0);
+\draw
+  [fill=#2,
+  ultra thick
+  ] 
+  (2,0) {[rounded corners=45pt] -- (0,-3)} -- (-2,0) arc (180:360:2cm and 0.5cm);
+
+\end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \section{headwaterprofile}
+\def\headwaterprofile[#1]#2{
+\begin{tikzpicture}[scale = #1]
+  \draw [-,line width = 5, #2!100!black] (1.95,0) to [out=0,in=180] (2.7,0);
+  % \node at (0.4, 1) {Headwater};
+\fill[
+  top color=#2!100,
+  bottom color=#2!40,
+  shading=axis,
+  opacity=0.45
+  ] 
+  (0,0) circle (2cm and 0.5cm);
+\fill[
+  left color=#2!50!black,
+  right color=#2!50!black,
+  middle color=#2!100,
+  shading=axis,
+  opacity=0.25
+  ] 
+  (2,0) {[rounded corners=45pt] -- (0,-3)} -- (-2,0) arc (180:360:2cm and 0.5cm);
+\end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \section{primaryprofile}
+\def\primaryprofile[#1]#2{
+\begin{tikzpicture}[scale = #1]
+  \draw [-,line width = 5, #2!100!black] (-2,0) to [out=0,in=180] (-2.7,0);
+  \draw [-,line width = 5, dashed, #2!100!black] (2,0) to [out=0,in=180] (2.7,0);
+  % \node at (0.4, 1) {Primary};
+\fill[
+  top color=#2!100,
+  bottom color=#2!40,
+  shading=axis,
+  opacity=0.45
+  ] 
+  (0,0) circle (2cm and 0.5cm);
+\fill[
+  left color=#2!50!black,
+  right color=#2!50!black,
+  middle color=#2!100,
+  shading=axis,
+  opacity=0.25
+  ] 
+  (2,0) {[rounded corners=45pt] -- (0,-3)} -- (-2,0) arc (180:360:2cm and 0.5cm);
+\end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \section{isolatedprofile}
+\def\isolatedprofile[#1]#2{
+\begin{tikzpicture}[scale = #1]
+\fill[
+  top color=#2!100,
+  bottom color=#2!40,
+  shading=axis,
+  opacity=0.45
+  ] 
+  (0,0) circle (2cm and 0.5cm);
+\fill[
+  left color=#2!50!black,
+  right color=#2!50!black,
+  middle color=#2!100,
+  shading=axis,
+  opacity=0.25
+  ] 
+  (2,0) {[rounded corners=45pt] -- (0,-3)} -- (-2,0) arc (180:360:2cm and 0.5cm);
+\end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \section{primaryprofileplus}
+\def\primaryprofileplus{
+\begin{tikzpicture}[scale = 0.8]
+  \draw [-,line width=3pt, cyan!40] (-2,0) to [out=0,in=180] (-3.25,0);
+  \draw [-,thick, dashed, darkgreen!40] (2,0) to [out=0,in=180] (3.25,0);
+  \node at (0.2, 1) {Primary};
+\fill[
+  top color=darkgreen!100,
+  bottom color=darkgreen!40,
+  shading=axis,
+  opacity=0.45
+  ] 
+  (0,0) circle (2cm and 0.5cm);
+\fill[
+  left color=darkgreen!50!black,
+  right color=darkgreen!50!black,
+  middle color=darkgreen!100,
+  shading=axis,
+  opacity=0.25
+  ] 
+  (2,0) {[rounded corners=45pt] -- (0,-3)} -- (-2,0) arc (180:360:2cm and 0.5cm);
+\end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \section{secondaryprofileplus}
+\def\secondaryprofileplus{
+\begin{tikzpicture}[scale = 0.8]
+  \draw [-,line width=3pt, cyan!40] (-1,0) to [out=0,in=180] (-2.25,0);
+  \draw [-,line width=3pt, cyan!40] (1,0) to [out=0,in=180] (2.25,0);
+  \draw [-,line width=3pt, dashed, cyan!40] (6,0) to [out=0,in=180] (7.25,0);
+  \node at (2, 1) {Secondary};
+\fill[
+  top color=cyan!100,
+  bottom color=cyan!40,
+  shading=axis,
+  opacity=0.45
+  ] 
+  (0,0) circle (1cm and 0.25cm);
+\fill[
+  left color=cyan!50!black,
+  right color=cyan!50!black,
+  middle color=cyan!100,
+  shading=axis,
+  opacity=0.25
+  ] 
+  (1,0) {[rounded corners=45pt] -- (0,-2)} -- (-1,0) arc (180:360:1cm and 0.25cm);
+  
+\fill[
+  top color=cyan!100,
+  bottom color=cyan!40,
+  shading=axis,
+  opacity=0.45,
+  xshift=120
+  ] 
+  (0,0) circle (2cm and 0.5cm);
+\fill[
+  left color=cyan!50!black,
+  right color=cyan!50!black,
+  middle color=cyan!100,
+  shading=axis,
+  opacity=0.25,
+  xshift=120
+  ] 
+  (2,0) {[rounded corners=45pt] -- (0,-3)} -- (-2,0) arc (180:360:2cm and 0.5cm);
+\end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \section{primaryprofileblue}
+\def\primaryprofileblue{
+\begin{tikzpicture}[scale = 0.8]
+  \draw [-,line width=5pt, cyan!40] (-2,0) to [out=0,in=180] (-3.25,0);
+  \draw [-,line width=5pt, dashed, cyan!40] (2,0) to [out=0,in=180] (3.25,0);
+  \node at (0.2, 1) {Low retention};
+\fill[
+  top color=cyan!100,
+  bottom color=cyan!40,
+  shading=axis,
+  opacity=0.45
+  ] 
+  (0,0) circle (2cm and 0.5cm);
+\fill[
+  left color=cyan!50!black,
+  right color=cyan!50!black,
+  middle color=cyan!100,
+  shading=axis,
+  opacity=0.25
+  ] 
+  (2,0) {[rounded corners=45pt] -- (0,-3)} -- (-2,0) arc (180:360:2cm and 0.5cm);
+\end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \section{primaryprofilegreen}
+\def\primaryprofilegreen{
+\begin{tikzpicture}[scale = 0.8]
+  \draw [-,line width=5pt, cyan!40] (-2,0) to [out=0,in=180] (-3.25,0);
+  \draw [-,thick, dashed, darkgreen!40] (2,0) to [out=0,in=180] (3.25,0);
+  \node at (0.2, 1) {High retention};
+\fill[
+  top color=darkgreen!100,
+  bottom color=darkgreen!40,
+  shading=axis,
+  opacity=0.45
+  ] 
+  (0,0) circle (2cm and 0.5cm);
+\fill[
+  left color=darkgreen!50!black,
+  right color=darkgreen!50!black,
+  middle color=darkgreen!100,
+  shading=axis,
+  opacity=0.25
+  ] 
+  (2,0) {[rounded corners=45pt] -- (0,-3)} -- (-2,0) arc (180:360:2cm and 0.5cm);
+\end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \section{isolatedflux}
+\def\isolatedflux[#1]#2{
+\begin{tikzpicture}[scale = #1]
+  \node at (1.5, 1) {#2};
+
+\pgfsetarrowsend{latex}
+\pgfsetlinewidth{1ex}
+
+\node at (3, 5) {Evaporation};
+\pgfpathmoveto{\pgfpoint{0cm}{1cm}}
+\pgfpathlineto{\pgfpoint{0cm}{4cm}}
+\pgfusepath{stroke}
+
+\node at (-3, 5) {Precipitation};
+\pgfpathmoveto{\pgfpoint{-1cm}{4cm}}
+\pgfpathlineto{\pgfpoint{-1cm}{1cm}}
+\pgfusepath{stroke}
+
+\fill[
+  top color=cyan!100,
+  bottom color=cyan!40,
+  shading=axis,
+  opacity=0.45
+  ] 
+  (0,0) circle (2cm and 0.5cm);
+\fill[
+  left color=cyan!50!black,
+  right color=cyan!50!black,
+  middle color=cyan!100,
+  shading=axis,
+  opacity=0.25
+  ] 
+  (2,0) {[rounded corners=45pt] -- (0,-3)} -- (-2,0) arc (180:360:2cm and 0.5cm);
+\end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \section{isolatedwireframe}
+\def\isolatedwireframe[#1]{
+\begin{tikzpicture}[scale = #1]
+
+  % \draw[step=1cm,gray,very thin] (-4,-3) grid (4,4);
+
+  \draw (0,0) circle (2cm and 0.5cm);
+  \draw (2,0) {[rounded corners=45pt] -- (0,-3)} -- (-2,0) arc (180:360:2cm and 0.5cm);
+  
+  \pgfsetarrowsend{latex}
+  \pgfsetlinewidth{1ex}
+
+  \node[rotate=-90] at (0.6, 2){Evaporation};
+  \node[rotate=-90] at (-0.6, 2){Precipitation};
+  \node at (1.5, -2.1){Groundwater};
+  \node at (-1.5, -2.1){Groundwater};
+  
+  
+  % GW out
+  \pgfpathmoveto{\pgfpoint{1cm}{-1.5cm}}
+  \pgfpathlineto{\pgfpoint{2cm}{-2cm}}
+  \pgfusepath{stroke}
+  
+  % GW in
+  \pgfpathmoveto{\pgfpoint{-2cm}{-2cm}}
+  \pgfpathlineto{\pgfpoint{-1cm}{-1.5cm}}
+  \pgfusepath{stroke}
+  
+  % SW out
+  % \node at (3, -0.5){Outflow};
+  % \pgfpathmoveto{\pgfpoint{2.2cm}{0cm}}
+  % \pgfpathlineto{\pgfpoint{4cm}{0cm}}
+  % \pgfusepath{stroke}
+  
+  % SW in
+  % \node at (-3, -0.5){Inflow};
+  % \pgfpathmoveto{\pgfpoint{-4cm}{0cm}}
+  % \pgfpathlineto{\pgfpoint{-2.2cm}{0cm}}
+  % \pgfusepath{stroke}
+  
+  % Runoff in
+  \node at (-3, 0.4){Runoff};
+  \pgfpathmoveto{\pgfpoint{-3cm}{0cm}}
+  \pgfpathlineto{\pgfpoint{-2.2cm}{0cm}}
+  \pgfusepath{stroke}
+  
+  \pgfpathmoveto{\pgfpoint{0.26cm}{1cm}}
+  \pgfpathlineto{\pgfpoint{0.26cm}{3cm}}
+  \pgfusepath{stroke}
+  
+  \pgfpathmoveto{\pgfpoint{-0.3cm}{3cm}}
+  \pgfpathlineto{\pgfpoint{-0.3cm}{1cm}}
+  \pgfusepath{stroke}
+  
+\end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \section{secondarywireframe}
+\def\secondarywireframe[#1]{
+\scalebox{#1}{%
+\begin{tikzpicture}
+
+  % \draw[step=1cm,gray,very thin] (-4,-3) grid (7,4);
+
+  \draw [-,line width=3pt] (0,0) to [out=0,in=180] (1.25,0);
+  \draw (-1,0) circle (1cm and 0.25cm);
+  \draw (0,0) {[rounded corners=45pt] -- (-1,-2)} -- (-2,0) arc (180:360:1cm and 0.25cm);
+  \draw[xshift=120] (-1,0) circle (2cm and 0.5cm);
+  \draw[xshift=120] (1,0) {[rounded corners=45pt] -- (-1,-3)} -- (-3,0) arc (180:360:2cm and 0.5cm);
+  
+  \pgfsetarrowsend{latex}
+  \pgfsetlinewidth{1ex}
+
+  % GW out
+  \node at (4.9, -2.1){Groundwater};
+  \pgfpathmoveto{\pgfpoint{4.2cm}{-1.5cm}}
+  \pgfpathlineto{\pgfpoint{5.2cm}{-2cm}}
+  \pgfusepath{stroke}
+  
+  % GW in
+  \node at (1.5, -2.1){Groundwater};
+  \pgfpathmoveto{\pgfpoint{1.2cm}{-2cm}}
+  \pgfpathlineto{\pgfpoint{2.2cm}{-1.5cm}}
+  \pgfusepath{stroke}
+  
+  % SW out
+  \node at (5.6, -0.5){Outflow};
+  \pgfpathmoveto{\pgfpoint{5.2cm}{0cm}}
+  \pgfpathlineto{\pgfpoint{7cm}{0cm}}
+  \pgfusepath{stroke}
+  
+  % SW in
+  \node at (-2.3, -0.5){Inflow};
+  \pgfpathmoveto{\pgfpoint{-3.4cm}{0cm}}
+  \pgfpathlineto{\pgfpoint{-2cm}{0cm}}
+  \pgfusepath{stroke}
+  
+  % Runoff in
+  \node at (-2.3, 1){Runoff};
+  \pgfpathmoveto{\pgfpoint{-2.8cm}{0.6cm}}
+  \pgfpathlineto{\pgfpoint{-2cm}{0.6cm}}
+  \pgfusepath{stroke}
+  
+  % Evaporation
+  \node[rotate=-90] at (3.7, 2){Evaporation};
+  \pgfpathmoveto{\pgfpoint{3.36cm}{1cm}}
+  \pgfpathlineto{\pgfpoint{3.36cm}{3cm}}
+  \pgfusepath{stroke}
+  
+  % Precip
+  \node[rotate=-90] at (2.4, 2){Precipitation};
+  \pgfpathmoveto{\pgfpoint{2.8cm}{3cm}}
+  \pgfpathlineto{\pgfpoint{2.8cm}{1cm}}
+  \pgfusepath{stroke}
+  
+\end{tikzpicture}
+}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% \section{watershedconnectivity}
+% See Soranno et al., 2015, Plos One
+\def\watershedconnectivity[#1]{
+\begin{columns}
+
+  \begin{column}{0.7\textwidth}
+    \begin{tikzpicture}[scale = #1]
+      %\draw[step=1cm,gray,very thin] (-4,-2) grid (4,9);
+
+      % streamlines
+      % lake 3
+        % center
+      \draw [-,ultra thick, cyan] (-0.6, 3.2) to [out=270,in=180] (0.2,2) to [out=0,in=90] (0,0);
+      \draw [-,ultra thick, cyan] (0.2, 3.2) to [out=270,in=90] (-0.1,2.2) to [out=0,in=180] (0.2,2) to [out=0,in=90] (0,0);
+        % right
+      \draw [-,ultra thick, cyan] (2.2,3.5) to [out=90,in=0] (1.1,1.1) to [out=270,in=90] (0,0);
+        % left
+      \draw [-,ultra thick, cyan] (-1.9, 2) to [out=270,in=90] (-1.1,1.1) to [out=270,in=90] (0,0);
+
+      % lake 2
+      \draw [-,ultra thick, darkgreen] % 
+        (-0.3,6.5) to % 
+        [out=270,in=90] (0.5, 4.9) to % 
+        [out=270,in=90] (0,4);
+        
+      % lake 1
+      \draw [-,ultra thick, yellow] % 
+        (0.3, 7.8) to % 
+        [out=90,in=270] (1.2, 8.2);
+        
+      \draw [-,ultra thick, yellow] % 
+        (0.3, 8) to % 
+        [out=90,in=270] (0, 8.5) to % 
+        [out=90,in=270] (0.5, 9);
+        
+      \draw [-,ultra thick, yellow] % 
+        (-0.4, 7.5) to % 
+        [out=90,in=270] (-0.6, 8.5) to % 
+        [out=90,in=270] (-1.5, 9);
+        
+      \draw [-,ultra thick, yellow] % 
+        (-0.4, 7.3) to % 
+        [out=90,in=270] (-1.5, 8);
+      
+      % lakes
+      \draw[cyan, ultra thick, domain=0:350, smooth cycle, fill=cyan] (0,-3) plot (\x:1.1+rnd*0.5);
+      \node at (0, 0) {Lake 3};
+
+      \draw[darkgreen, ultra thick, domain=0:350, smooth cycle, fill=darkgreen, yshift=4cm] (0,-3) plot (\x:0.7+rnd*0.5);
+      \node at (0, 4) {Lake 2};
+
+      \draw[yellow, ultra thick, domain=0:350, smooth cycle, yshift=7cm, fill=yellow] (0,-3) plot (\x:1.1+rnd*0.5);
+      \node at (0, 7) {Lake 1};
+
+      % iws
+      \draw[yellow,ultra thick,dashed] % 
+      (-0.2, 5.6) to %
+      (-1.1, 6.2) to %
+      (-3.05, 7.5) to %
+      (-1.9, 9) to %
+      (1.9, 9) to %
+      (3.05, 7.5) to %
+      (1.1, 6.2) to %
+      (0.2, 5.6);      
+
+      \draw[darkgreen,ultra thick,dashed] % 
+      (-0.8, 3.4) to % 
+      (-1.5, 4.2) to %
+      (-3, 7.5) to %
+      (-1.1, 6.2) to %
+      (-0.5, 5.6) to (0.5, 5.6) to%      
+      (1.1, 6.2) to % 
+      (3, 7.5) to %
+      (1.5, 4.2) to % 
+      (0.8, 3.4);      
+
+      \draw[cyan,ultra thick,dashed] % 
+      (-1.1,-0.4) to % 
+      (-1.5, 0.2) to %
+      (-3, 7.5) to %
+      (-1.1, 6.2) to %
+      (-0.5, 5.6) to (0.5, 5.6) to % 
+      (1.1, 6.2) to % 
+      (3, 7.5) to %
+      (1.5, 0.2) to (1.1, -0.4);
+
+      \draw [cyan, thick, decorate, decoration={brace,amplitude=10pt,mirror,raise=4pt},yshift=0pt, align=center, anchor=center]
+      (3,-1.2) -- (3,7.2) node [cyan,midway,xshift=1.1cm] {\footnotesize
+      LWS\\Lake 3};
+      \draw [cyan, thick, decorate,decoration={brace,amplitude=10pt,mirror,raise=4pt},yshift=0pt, align=center, anchor=center]
+      (5,-1.2) -- (5,9) node [cyan,midway,xshift=1.1cm] {\footnotesize
+      NWS\\Lake 3};
+      
+      \draw [darkgreen, thick, decorate, decoration={brace,amplitude=10pt,raise=4pt},yshift=0pt]
+      (-3.1,3) -- (-3.1,7.2) node [darkgreen,midway,xshift=-1.1cm, align=center] {\footnotesize
+      LWS\\Lake 2};
+      \draw [darkgreen, thick, decorate, decoration={brace,amplitude=10pt,raise=4pt},yshift=0pt, align=center, anchor=center]
+      (-5,3) -- (-5,9) node [darkgreen,midway,xshift=-1.1cm, align=center] {\footnotesize
+      NWS\\Lake 2};
+    \end{tikzpicture}
+  \end{column}  
+\end{columns}
+
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% \section{incrementalcumulativeloads}
+\def\incrementalcumulativeloads[#1]{
+  \begin{tikzpicture}[scale = #1]
+  
+    % \draw[step=1cm,gray,very thin] (-4,-3) grid (4,3);
+  
+    \draw [-,ultra thick, cyan] (-1,3) to [out=270,in=180] (0.2,2) to [out=0,in=90] (0,0.3) to [out=90,in=0] (0,-1) to [out=90,in=0] (0.2,-2) to [out=180,in=90] (-1,-3);
+    \draw[cyan, ultra thick, domain=0:350, smooth cycle, fill=cyan,yshift=20] plot (\x:0.5+rnd*0.25);
+    \draw[cyan, ultra thick, domain=0:350, smooth cycle, fill=cyan,yshift=-50] plot (\x:0.8+rnd*0.5);
+    % \node at (0,-1.7) {test};
+    
+  \pgfsetarrowsend{latex}
+  \pgfsetlinewidth{0.7ex}
+  \pgfsetstrokecolor{red}
+
+  % cumulative 1
+  \pgfpathmoveto{\pgfpoint{1.7cm}{0.3cm}}
+  \pgfpathlineto{\pgfpoint{1.7cm}{-1.3cm}}
+  \pgfusepath{stroke}
+
+  % cumulative 2
+  \pgfpathmoveto{\pgfpoint{1.7cm}{-3cm}}
+  \pgfpathlineto{\pgfpoint{1.7cm}{-4cm}}
+  \pgfusepath{stroke}
+    
+  \pgfsetstrokecolor{black}
+  % incremental 1
+  \pgfpathmoveto{\pgfpoint{-1.7cm}{1.9cm}}
+  \pgfpathlineto{\pgfpoint{-0.8cm}{0.8cm}}
+  \pgfusepath{stroke}
+  
+  \pgfpathmoveto{\pgfpoint{1.7cm}{1.9cm}}
+  \pgfpathlineto{\pgfpoint{0.8cm}{0.8cm}}
+  \pgfusepath{stroke}
+
+  % incremental 1
+  \pgfpathmoveto{\pgfpoint{-2cm}{-0.1cm}}
+  \pgfpathlineto{\pgfpoint{-1.1cm}{-1.2cm}}
+  \pgfusepath{stroke}
+    
+  \end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% \section{retentiontrapping}
+\def\retentiontrapping[#1]{
+  \begin{tikzpicture}[scale = #1]
+  
+    % \draw[step=1cm,gray,very thin] (-4,-3) grid (4,3);
+  
+    \draw [-,ultra thick, cyan] (-1,3) to [out=270,in=180] (0.2,2) to [out=0,in=90] (0,0.3) to [out=90,in=0] (0,-1) to [out=90,in=0] (0.2,-2) to [out=180,in=90] (-1,-3);
+    \draw[cyan, ultra thick, domain=0:350, smooth cycle, fill=cyan,yshift=20] plot (\x:0.5+rnd*0.25);
+    \draw[cyan, ultra thick, domain=0:350, smooth cycle, fill=cyan,yshift=-50] plot (\x:0.8+rnd*0.5);
+    % \node at (0,-1.7) {test};
+    
+  \pgfsetarrowsend{latex}
+  \pgfsetlinewidth{0.7ex}
+  \pgfsetstrokecolor{red}
+
+% outflow 1
+  \pgfpathmoveto{\pgfpoint{1.8cm}{0.5cm}}
+  \pgfpathlineto{\pgfpoint{1.8cm}{0cm}}
+  \pgfusepath{stroke}
+
+  % outflow 2
+  \pgfpathmoveto{\pgfpoint{1.8cm}{-2cm}}
+  \pgfpathlineto{\pgfpoint{1.8cm}{-1.7cm}}
+  \pgfusepath{stroke}
+    
+  \pgfsetstrokecolor{black}
+  % inflow 1
+  \pgfpathmoveto{\pgfpoint{1.2cm}{0cm}}
+  \pgfpathlineto{\pgfpoint{1.2cm}{1.4cm}}
+  \pgfusepath{stroke}
+  
+  % trapping 1
+  \pgfpathmoveto{\pgfpoint{1.5cm}{1.4cm}}
+  \pgfpathlineto{\pgfpoint{1.5cm}{0.6cm}}
+  \pgfusepath{stroke}
+  
+  % inflow 2
+  \pgfpathmoveto{\pgfpoint{1.2cm}{-2.3cm}}
+  \pgfpathlineto{\pgfpoint{1.2cm}{-0.7cm}}
+  \pgfusepath{stroke}
+  
+  % trapping 2
+  \pgfpathmoveto{\pgfpoint{1.5cm}{-0.7cm}}
+  \pgfpathlineto{\pgfpoint{1.5cm}{-1.9cm}}
+  \pgfusepath{stroke}
+  
+  \end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\endinput
\ No newline at end of file
diff --git a/language/japanese/plautopatch/README.md b/language/japanese/plautopatch/README.md
index eb029fec19..6799dc2f80 100644
--- a/language/japanese/plautopatch/README.md
+++ b/language/japanese/plautopatch/README.md
@@ -25,6 +25,7 @@ The following patches are currently registered:
 - arydshln -> plarydshln (maintained here!)
 - arydshln + plext (platex) -> plextarydshln (maintained here!)
 - siunitx -> plsiunitx (maintained here!)
+- collcell -> plcollcell (maintained here!)
 - everysel (ms) -> pxeverysel (platex-tools)
 - everyshi (ms) -> pxeveryshi (platex-tools)
 - atbegshi (oberdiek) -> pxatbegshi (platex-tools)
@@ -34,6 +35,7 @@ The following patches are currently registered:
 - textpos -> pxtextpos (maintained here!)
 - pdfpages -> pxpdfpages (maintained here!)
 - stfloats (sttools) -> pxstfloats (pxsttools)
+- hyperref -> pxjahyper (by Takayuki YATO)
 - pgfrcs (pgf) -> pxpgfrcs (maintained here!)
 - pgfcore (pgf) -> pxpgfmark (by Takayuki YATO)
 
@@ -64,6 +66,9 @@ Short information:
 - plsiunitx.sty:
     Patch for siunitx.sty (by Joseph Wright) to fix
     conflict with plarray.sty (platex-tools).
+- plcollcell.sty:
+    Patch for collcell.sty (by Martin Scharrer) to fix
+    conflict with plarray.sty (platex-tools).
 - pxtextpos.sty:
     Patch for textpos.sty (by Norman Gray) to support
     Japanese-style crop marks (called 'tombow' in Japanese).
@@ -96,6 +101,6 @@ the 3-clause BSD license (see [LICENSE](./LICENSE)).
 
 ## Release Date
 
-2020-02-25
+2020-05-25
 
 Hironobu Yamashita
diff --git a/language/japanese/plautopatch/plautopatch-ja.pdf b/language/japanese/plautopatch/plautopatch-ja.pdf
index 5b0337c7ae..775fd4bb43 100644
--- a/language/japanese/plautopatch/plautopatch-ja.pdf
+++ b/language/japanese/plautopatch/plautopatch-ja.pdf
diff --git a/language/japanese/plautopatch/plautopatch-ja.tex b/language/japanese/plautopatch/plautopatch-ja.tex
index cd01de621c..c09f3db8b1 100644
--- a/language/japanese/plautopatch/plautopatch-ja.tex
+++ b/language/japanese/plautopatch/plautopatch-ja.tex
@@ -111,6 +111,7 @@ p\LaTeX/up\LaTeX{}で動作するソースと通常の\LaTeX{}ソースの
 \ITEMxTx  arydshln -> plarydshln (maintained here!)
 \ITEMxoTx arydshln + plext (platex) -> plextarydshln (maintained here!)
 \ITEMxTx  siunitx -> plsiunitx (maintained here!)
+\ITEMxTx  collcell -> plcollcell (maintained here!)
 \ITEMoTo  everysel (ms) -> pxeverysel (platex-tools)
 \ITEMoTo  everyshi (ms) -> pxeveryshi (platex-tools)
 \ITEMoTo  atbegshi (oberdiek) -> pxatbegshi (platex-tools)
@@ -120,6 +121,7 @@ p\LaTeX/up\LaTeX{}で動作するソースと通常の\LaTeX{}ソースの
 \ITEMxTx  textpos -> pxtextpos (maintained here!)
 \ITEMxTx  pdfpages -> pxpdfpages (maintained here!)
 \ITEMoTo  stfloats (sttools) -> pxstfloats (pxsttools)
+\ITEMxTx  hyperref -> pxjahyper (by Takayuki YATO)
 \ITEMoTx  pgfrcs (pgf) -> pxpgfrcs (maintained here!)
 \ITEMoTx  pgfcore (pgf) -> pxpgfmark (by Takayuki YATO)
 \end{itemize}
@@ -154,6 +156,8 @@ p\LaTeX/up\LaTeX{}で動作するソースと通常の\LaTeX{}ソースの
   \item 2019/06/06 v0.9c \textsf{siunitx}のパッチ改良
   \item 2019/09/05 v0.9d \textsf{xspace}と\textsf{stfloats}のサポート
   \item 2020/02/25 v0.9e \textsf{textpos}のサポート
+  \item 2020/05/05 v0.9f \textsf{collcell}のサポート
+  \item 2020/05/25 v0.9g \textsf{pxjahyper}の自動読込
 \end{itemize}
 
 \end{document}
diff --git a/language/japanese/plautopatch/plautopatch.pdf b/language/japanese/plautopatch/plautopatch.pdf
index 29a3a642ad..d86957c827 100644
--- a/language/japanese/plautopatch/plautopatch.pdf
+++ b/language/japanese/plautopatch/plautopatch.pdf
diff --git a/language/japanese/plautopatch/plautopatch.sty b/language/japanese/plautopatch/plautopatch.sty
index 71bd8f7d0a..30707cb8b4 100644
--- a/language/japanese/plautopatch/plautopatch.sty
+++ b/language/japanese/plautopatch/plautopatch.sty
@@ -8,7 +8,7 @@
 
 \NeedsTeXFormat{LaTeX2e}% not pLaTeX2e on purpose!
 \ProvidesPackage{plautopatch}
-    [2020/02/25 v0.9e Automated patches for pLaTeX/upLaTeX]
+    [2020/05/25 v0.9g Automated patches for pLaTeX/upLaTeX]
 
 \ifx\pfmtname\@undefined
   \PackageWarningNoLine{plautopatch}{%
@@ -182,6 +182,7 @@
 \platpc@patch@after{arydshln}{plarydshln}% (maintained here!)
 \platpc@patch@after@both{arydshln}{plext}{plextarydshln}% (maintained here!)
 \platpc@patch@after{siunitx}{plsiunitx}% (maintained here!)
+\platpc@patch@after{collcell}{plcollcell}% (maintained here!)
 % --- in most cases, pxeverysel can be safely loaded even after everysel
 % --- but it can fail when \AtBeginDocument{everysel} is involved
 \platpc@patch@before{everysel}{pxeverysel}% platex-tools
@@ -193,6 +194,12 @@
 \platpc@patch@after{textpos}{pxtextpos}% (maintained here!)
 \platpc@patch@after{pdfpages}{pxpdfpages}% (maintained here!)
 \platpc@patch@before{stfloats}{pxstfloats}% pxsttools -- (!!)
+% --- in most cases, pxjahyper works without explicit options
+% --- however, in case a user specifies some, delay it
+% --- [TODO] if \AtBeginDocument{\usepackage{hyperref}} appears,
+% ----       writing to \jobname.out (= 'jacommentline' feature)
+% ----       does not work because it's too late.
+\AtBeginDocument{\platpc@patch@after{hyperref}{pxjahyper}}
 
 % for TikZ/PGF
 \platpc@patch@after{pgfrcs}{pxpgfrcs}% (maintained here!)
diff --git a/language/japanese/plautopatch/plautopatch.tex b/language/japanese/plautopatch/plautopatch.tex
index fdffa69669..d415bda829 100644
--- a/language/japanese/plautopatch/plautopatch.tex
+++ b/language/japanese/plautopatch/plautopatch.tex
@@ -110,6 +110,7 @@ Current version (\filedate\space\fileversion) supports the followings:
 \ITEMxTx  arydshln -> plarydshln (maintained here!)
 \ITEMxoTx arydshln + plext (platex) -> plextarydshln (maintained here!)
 \ITEMxTx  siunitx -> plsiunitx (maintained here!)
+\ITEMxTx  collcell -> plcollcell (maintained here!)
 \ITEMoTo  everysel (ms) -> pxeverysel (platex-tools)
 \ITEMoTo  everyshi (ms) -> pxeveryshi (platex-tools)
 \ITEMoTo  atbegshi (oberdiek) -> pxatbegshi (platex-tools)
@@ -119,6 +120,7 @@ Current version (\filedate\space\fileversion) supports the followings:
 \ITEMxTx  textpos -> pxtextpos (maintained here!)
 \ITEMxTx  pdfpages -> pxpdfpages (maintained here!)
 \ITEMoTo  stfloats (sttools) -> pxstfloats (pxsttools)
+\ITEMxTx  hyperref -> pxjahyper (by Takayuki YATO)
 \ITEMoTx  pgfrcs (pgf) -> pxpgfrcs (maintained here!)
 \ITEMoTx  pgfcore (pgf) -> pxpgfmark (by Takayuki YATO)
 \end{itemize}
@@ -156,6 +158,8 @@ a comma-separated list of them:
   \item 2019/06/06 v0.9c Update patch for \textsf{siunitx}
   \item 2019/09/05 v0.9d Add support for \textsf{xspace} and \textsf{stfloats}
   \item 2020/02/25 v0.9e Add support for \textsf{textpos}
+  \item 2020/05/05 v0.9f Add support for \textsf{collcell}
+  \item 2020/05/25 v0.9g Automatically load \textsf{pxjahyper}
 \end{itemize}
 
 \end{document}
diff --git a/language/japanese/plautopatch/plcollcell.sty b/language/japanese/plautopatch/plcollcell.sty
new file mode 100644
index 0000000000..cee4efba27
--- /dev/null
+++ b/language/japanese/plautopatch/plcollcell.sty
@@ -0,0 +1,199 @@
+%
+% plcollcell.sty
+% written by Hironobu Yamashita (@aminophen)
+%
+% This package is part of the plautopatch bundle.
+% https://github.com/aminophen/plautopatch
+%
+% This package is expected to be compatible with
+%   * collcell.sty
+%     (2011/02/27 v0.5)
+%   * plarray.sty in platex-tools
+%     (2018/03/12 v0.1e -- 2018/10/27 v0.1h)
+%
+
+\NeedsTeXFormat{pLaTeX2e}
+\ProvidesPackage{plcollcell}
+  [2020/05/05 v0.1 Tabular extension package for pLaTeX/upLaTeX]
+\RequirePackageWithOptions{collcell}
+\RequirePackage{plarray}% collcell.sty requires array.sty
+
+%% code from plarray.sty (for pLaTeX2e 2018/03/09 or later)
+\def\plclcl@insert@column{%
+       \the@toks \the \@tempcnta
+       \relax \pltx@next@inhibitglue
+       \ignorespaces \@sharp \unskip \removejfmglue
+       \the@toks \the \count@ \relax}
+% -- check
+\ifx\insert@column\plclcl@insert@column\else
+  \PackageWarningNoLine{pxcollcell}
+    {Patch to \noexpand\collectcell unsupported}
+  \expandafter\endinput
+\fi \let\plclcl@insert@column\@undefined
+
+%% \plclcl@patch@cmd\CMD{<orig>}{<new>}
+\@onlypreamble\plclcl@patch@cmd
+\def\plclcl@patch@cmd#1#2#3{%
+  \def\plclcl@next##1#2##2\plclcl@mark##3\plclcl@fin{%
+    \ifx\plclcl@mark##3\plclcl@mark
+      \let\plclcl@fragment\relax
+    \else
+      \def\plclcl@fragment{##2}%
+      \def#1{##1#3##2}%
+    \fi}%
+  \expandafter\plclcl@next#1\plclcl@mark#2\plclcl@mark\plclcl@fin}
+% -- prepend (TODO: \kern0pt enables \inhibitglue effect. why?)
+\plclcl@patch@cmd\collcell@beforeuser
+    {\ignorespaces}
+    {\kern0pt\inhibitglue\ignorespaces}
+\ifx\plclcl@fragment\relax
+  \PackageWarningNoLine{pxcollcell}
+    {Patch to \noexpand\collcell@beforeuser failed}
+\fi
+
+%% code from collcell.sty
+\def\plclcl@collectcell#1#2\ignorespaces{%
+  \begingroup
+  \collect@cell@count\z@
+  \collect@cell@toks{}%
+  \let\collect@cell@spaces\empty
+  \def\collect@cell@end{%
+    \expandafter\endgroup
+    \expandafter\collcell@beforeuser
+    \expandafter\ccell@swap\expandafter{\the\collect@cell@toks}{#1}%
+    \collcell@afteruser
+  }%
+  \collect@cell@look#2%
+}
+% -- check
+\ifx\collectcell\plclcl@collectcell\else
+  \PackageWarningNoLine{pxcollcell}
+    {Patching \noexpand\collect@cell@arg but maybe unsafe}
+\fi \let\plclcl@collectcell\@undefined
+% -- redefine to skip \relax\pltx@next@inhibitglue
+\def\collectcell#1#2\relax\pltx@next@inhibitglue\ignorespaces{%
+  \begingroup
+  \collect@cell@count\z@
+  \collect@cell@toks{}%
+  \let\collect@cell@spaces\empty
+  \def\collect@cell@end{%
+    \expandafter\endgroup
+    \expandafter\collcell@beforeuser
+    \expandafter\ccell@swap\expandafter{\the\collect@cell@toks}{#1}%
+    \collcell@afteruser
+  }%
+  \collect@cell@look#2%
+}
+
+%% code from collcell.sty
+\def\plclcl@collect@cell@arg#1{%
+  \cc@case
+    \\{\collect@cell@cr#1}%
+    \end{\collect@cell@checkend}%
+    \csname{\collect@cell@checkcsname}%
+    \unskip{%
+      \let\collect@cell@spaces\empty
+      %\collect@cell@addarg{#1}% do not include the \unskip
+      \collect@cell@look%
+    }%
+    \@sharp{%
+      \expandafter\collect@cell@addarg\expandafter{#1}%
+      \collect@cell@look
+    }%
+    \collectcell{%
+      \advance\collect@cell@count by \@ne
+      \collect@cell@addcc%
+    }%
+    \endcollectcell{%
+      \ifnum\collect@cell@count=\z@
+        \expandafter\collect@cell@end
+      \else
+        \expandafter\endgroup
+        \expandafter\collect@cell@addarg\expandafter
+        {\expandafter{\the\collect@cell@toks}}%
+        \advance\collect@cell@count by \m@ne%
+        \expandafter\collect@cell@look
+      \fi
+    }%
+    \cci{%
+      \collect@cell@look
+    }%
+    \default{%
+      \expandafter\ccell@swap\expandafter
+        {\csname endtabular*\endcsname\endtabular\endarray}{\in@{#1}}%
+      \ifin@
+          \expandafter\@firstoftwo
+      \else
+          \expandafter\@secondoftwo
+      \fi
+      {\collect@cell@cr\\#1}%
+      {%
+        \collect@cell@addarg{#1}%
+        \collect@cell@look
+      }%
+    }%
+ \endcc@case
+}
+% -- check
+\ifx\collect@cell@arg\plclcl@collect@cell@arg\else
+  \PackageWarningNoLine{pxcollcell}
+    {Patching \noexpand\collect@cell@arg but maybe unsafe}
+\fi \let\plclcl@collect@cell@arg\@undefined
+% -- redefine to skip \removejfmglue
+\def\collect@cell@arg#1{%
+  \cc@case
+    \\{\collect@cell@cr#1}%
+    \end{\collect@cell@checkend}%
+    \csname{\collect@cell@checkcsname}%
+    \unskip{%
+      \let\collect@cell@spaces\empty
+      %\collect@cell@addarg{#1}% do not include the \unskip
+      \collect@cell@look%
+    }%
+    \@sharp{%
+      \expandafter\collect@cell@addarg\expandafter{#1}%
+      \collect@cell@look
+    }%
+    \collectcell{%
+      \advance\collect@cell@count by \@ne
+      \collect@cell@addcc%
+    }%
+    \endcollectcell{%
+      \ifnum\collect@cell@count=\z@
+        \expandafter\collect@cell@end
+      \else
+        \expandafter\endgroup
+        \expandafter\collect@cell@addarg\expandafter
+        {\expandafter{\the\collect@cell@toks}}%
+        \advance\collect@cell@count by \m@ne%
+        \expandafter\collect@cell@look
+      \fi
+    }%
+    \cci{%
+      \collect@cell@look
+    }%
+    %%% BEGIN
+    \removejfmglue{%
+      \collect@cell@look
+    }%
+    %%% END
+    \default{%
+      \expandafter\ccell@swap\expandafter
+        {\csname endtabular*\endcsname\endtabular\endarray}{\in@{#1}}%
+      \ifin@
+          \expandafter\@firstoftwo
+      \else
+          \expandafter\@secondoftwo
+      \fi
+      {\collect@cell@cr\\#1}%
+      {%
+        \collect@cell@addarg{#1}%
+        \collect@cell@look
+      }%
+    }%
+ \endcc@case
+}
+
+%% all done
+
+\endinput
diff --git a/language/marathi/README.txt b/language/marathi/README.txt
new file mode 100644
index 0000000000..50a94b1e8f
--- /dev/null
+++ b/language/marathi/README.txt
@@ -0,0 +1,17 @@
+आज्ञासंच:      marathi
+लेखक:       निरंजन
+आवृत्ती:      ०.१  (२५ मे, २०२०)
+माहिती:  लुआ-लाटेक् व झी-लाटेक् ह्यांच्यासह मराठीचा सुलभ वापर करण्यासाठी.
+दुवा:   https://gitlab.com/niranjanvikastambe/marathi
+अडचणी:  https://gitlab.com/niranjanvikastambe/marathi/-/issues
+परवाना:      लाटेक् प्रकल्प परवाना. आवृत्ती १.३सी किंवा त्यापुढील.
+अधिक माहितीकरिता marathi.dtx ही बीजधारिका पाहा.
+--------------------------------------------------------------------------
+Package:      marathi
+Author:       Niranjan
+Version:      1.0  (25 May, 2020)
+Description:  For conveniently typesetting Marathi language with LuaLaTeX and XeLaTeX.
+Repository:   https://gitlab.com/niranjanvikastambe/marathi
+Bug tracker:  https://gitlab.com/niranjanvikastambe/marathi/-/issues
+License:      The LaTeX Project Public License v1.3c or later.
+
diff --git a/language/marathi/article.tex b/language/marathi/article.tex
new file mode 100644
index 0000000000..80df0535ca
--- /dev/null
+++ b/language/marathi/article.tex
@@ -0,0 +1,89 @@
+\maketitle
+\begin{abstract}
+नमस्कार! हा मजकूर अर्थशून्य आहे. ह्या ठिकाणी काय व कसे छापले जाईल ह्याचा हा केवळ एक नमुना आहे. जर तुम्ही हे वाचले, तर तुम्हाला कोणतीच माहिती मिळणार नाही. खरेच? ह्यात कोणतीच माहिती नाही काय? ह्या मजकुरात व `पिढ्ढ करढपाखू' अशा निरर्थक शब्दांमध्ये काही फरक आहे का? हो! ह्याला आंधळा मजकूर असे म्हणतात. हा मजकूर तुम्हाला निवडलेला टंक कोणता आहे, अक्षरे कशी दिसतात ह्या सगळ्याबाबत माहिती देतो. ह्यासाठी विशिष्ट शब्दांची गरज नाही, परंतु शब्द वापरल्या गेलेल्या भाषेशी जुळायला हवेत.
+\end{abstract}
+\tableofcontents
+\section{पहिल्या स्तरावरील शीर्षक (विभाग)}
+नमस्कार! हा मजकूर अर्थशून्य आहे. ह्या ठिकाणी काय व कसे छापले जाईल ह्याचा हा केवळ एक नमुना आहे. जर तुम्ही हे वाचले, तर तुम्हाला कोणतीच माहिती मिळणार नाही. खरेच? ह्यात कोणतीच माहिती नाही काय? ह्या मजकुरात व `पिढ्ढ करढपाखू' अशा निरर्थक शब्दांमध्ये काही फरक आहे का? हो! ह्याला आंधळा मजकूर असे म्हणतात. हा मजकूर तुम्हाला निवडलेला टंक कोणता आहे, अक्षरे कशी दिसतात ह्या सगळ्याबाबत माहिती देतो. ह्यासाठी विशिष्ट शब्दांची गरज नाही, परंतु शब्द वापरल्या गेलेल्या भाषेशी जुळायला हवेत.
+\subsection{दुसऱ्या स्तरावरील शीर्षक (उपविभाग)}
+नमस्कार! हा मजकूर अर्थशून्य आहे. ह्या ठिकाणी काय व कसे छापले जाईल ह्याचा हा केवळ एक नमुना आहे. जर तुम्ही हे वाचले, तर तुम्हाला कोणतीच माहिती मिळणार नाही. खरेच? ह्यात कोणतीच माहिती नाही काय? ह्या मजकुरात व `पिढ्ढ करढपाखू' अशा निरर्थक शब्दांमध्ये काही फरक आहे का? हो! ह्याला आंधळा मजकूर असे म्हणतात. हा मजकूर तुम्हाला निवडलेला टंक कोणता आहे, अक्षरे कशी दिसतात ह्या सगळ्याबाबत माहिती देतो. ह्यासाठी विशिष्ट शब्दांची गरज नाही, परंतु शब्द वापरल्या गेलेल्या भाषेशी जुळायला हवेत.
+\subsubsection{तिसऱ्या स्तरावरील शीर्षक (उपउपविभाग)}
+नमस्कार! हा मजकूर अर्थशून्य आहे. ह्या ठिकाणी काय व कसे छापले जाईल ह्याचा हा केवळ एक नमुना आहे. जर तुम्ही हे वाचले, तर तुम्हाला कोणतीच माहिती मिळणार नाही. खरेच? ह्यात कोणतीच माहिती नाही काय? ह्या मजकुरात व `पिढ्ढ करढपाखू' अशा निरर्थक शब्दांमध्ये काही फरक आहे का? हो! ह्याला आंधळा मजकूर असे म्हणतात. हा मजकूर तुम्हाला निवडलेला टंक कोणता आहे, अक्षरे कशी दिसतात ह्या सगळ्याबाबत माहिती देतो. ह्यासाठी विशिष्ट शब्दांची गरज नाही, परंतु शब्द वापरल्या गेलेल्या भाषेशी जुळायला हवेत.
+\paragraph{चौथ्या स्तरावरील शीर्षक (परिच्छेद)}
+नमस्कार! हा मजकूर अर्थशून्य आहे. ह्या ठिकाणी काय व कसे छापले जाईल ह्याचा हा केवळ एक नमुना आहे. जर तुम्ही हे वाचले, तर तुम्हाला कोणतीच माहिती मिळणार नाही. खरेच? ह्यात कोणतीच माहिती नाही काय? ह्या मजकुरात व `पिढ्ढ करढपाखू' अशा निरर्थक शब्दांमध्ये काही फरक आहे का? हो! ह्याला आंधळा मजकूर असे म्हणतात. हा मजकूर तुम्हाला निवडलेला टंक कोणता आहे, अक्षरे कशी दिसतात ह्या सगळ्याबाबत माहिती देतो. ह्यासाठी विशिष्ट शब्दांची गरज नाही, परंतु शब्द वापरल्या गेलेल्या भाषेशी जुळायला हवेत.
+\section{याद्या}
+\subsection{बिंदुक्रमित यादीचे उदाहरण}
+\begin{itemize}
+\item पहिला मुद्दा
+\item दुसरा मुद्दा
+\item तिसरा मुद्दा
+\item चौथा मुद्दा
+\item पाचवा मुद्दा
+\end{itemize}
+\subsection*{बिंदुक्रमित यादीचे दुसरे उदाहरण}
+\begin{itemize}
+\item पहिला मुद्दा
+\begin{itemize}
+\item पहिला मुद्दा
+\begin{itemize}
+\item पहिला मुद्दा
+\begin{itemize}
+\item पहिला मुद्दा
+\item दुसरा मुद्दा
+\end{itemize}
+\item दुसरा मुद्दा
+\end{itemize}
+\item दुसरा मुद्दा
+\end{itemize}
+\item दुसरा मुद्दा
+\end{itemize}
+\subsection{अनुक्रमित यादीचे उदाहरण}
+\begin{enumerate}
+\item पहिला मुद्दा
+\item दुसरा मुद्दा
+\item तिसरा मुद्दा
+\item चौथा मुद्दा
+\item पाचवा मुद्दा
+\end{enumerate}
+\subsection*{अनुक्रमित यादीचे दुसरे उदाहरण}
+\begin{enumerate}
+\item पहिला मुद्दा
+\begin{enumerate}
+\item पहिला मुद्दा
+\begin{enumerate}
+\item पहिला मुद्दा
+\begin{enumerate}
+\item पहिला मुद्दा
+\item दुसरा मुद्दा
+\end{enumerate}
+\item दुसरा मुद्दा
+\end{enumerate}
+\item दुसरा मुद्दा
+\end{enumerate}
+\item दुसरा मुद्दा
+\end{enumerate}
+\subsection{वर्णनक्रमित यादीचे उदाहरण}
+\begin{description}
+\item[पहिला] मुद्दा
+\item[दुसरा] मुद्दा
+\item[तिसरा] मुद्दा
+\item[चौथा] मुद्दा
+\item[पाचवा] मुद्दा
+\end{description}
+\subsection*{वर्णनक्रमित यादीचे दुसरे उदाहरण}
+\begin{description}
+\item[पहिला] मुद्दा
+\begin{description}
+\item[पहिला] मुद्दा
+\begin{description}
+\item[पहिला] मुद्दा
+\begin{description}
+\item[पहिला] मुद्दा
+\item[दुसरा] मुद्दा
+\end{description}
+\item[दुसरा] मुद्दा
+\end{description}
+\item[दुसरा] मुद्दा
+\end{description}
+\item[दुसरा] मुद्दा
+\end{description}
diff --git a/language/marathi/beamer.tex b/language/marathi/beamer.tex
new file mode 100644
index 0000000000..3a9b91c411
--- /dev/null
+++ b/language/marathi/beamer.tex
@@ -0,0 +1,49 @@
+    \maketitle
+    \begin{frame}{शीर्षक}{उपशीर्षक}
+        \begin{itemize}
+            \item पहिला मुद्दा
+            \item दुसरा मुद्दा
+            \item तिसरा मुद्दा
+            \item चौथा मुद्दा
+        \end{itemize}
+    \end{frame}
+    \begin{frame}{शीर्षक}{उपशीर्षक}
+        \begin{enumerate}
+            \item पहिला मुद्दा
+            \item दुसरा मुद्दा
+            \item तिसरा मुद्दा
+            \item चौथा मुद्दा
+        \end{enumerate}
+    \end{frame}
+    \begin{frame}{शीर्षक}{उपशीर्षक}
+        \begin{itemize}
+            \item पहिला मुद्दा
+            \item दुसरा मुद्दा
+            \item तिसरा मुद्दा
+            \item चौथा मुद्दा
+        \end{itemize}
+    \end{frame}
+    \begin{frame}{शीर्षक}{उपशीर्षक}
+        \begin{description}
+            \item[अ] पहिला मुद्दा
+            \item[आ] दुसरा मुद्दा
+            \item[इ] तिसरा मुद्दा
+            \item[ई] चौथा मुद्दा
+        \end{description}
+    \end{frame}
+    \begin{frame}{शीर्षक}{उपशीर्षक}
+    \begin{itemize}
+        \item पहिला मुद्दा
+        \item दुसरा मुद्दा
+        \item तिसरा मुद्दा
+        \item चौथा मुद्दा
+    \end{itemize}
+    \end{frame}
+    \begin{frame}{थांबे असलेली चौकट}{ह्या चौकटीतील सर्व मुद्दे थांब्यांसह आहेत.}
+        \begin{enumerate}
+            \item<+-> पहिला मुद्दा
+            \item<+-> दुसरा मुद्दा
+            \item<+-> तिसरा मुद्दा
+            \item<+-> चौथा मुद्दा
+        \end{enumerate}
+    \end{frame}
diff --git a/language/marathi/book.tex b/language/marathi/book.tex
new file mode 100644
index 0000000000..aaad876e61
--- /dev/null
+++ b/language/marathi/book.tex
@@ -0,0 +1,88 @@
+\maketitle
+\tableofcontents
+\chapter{पहिल्या स्तरावरील शीर्षक (प्रकरण)}
+नमस्कार! हा मजकूर अर्थशून्य आहे. ह्या ठिकाणी काय व कसे छापले जाईल ह्याचा हा केवळ एक नमुना आहे. जर तुम्ही हे वाचले, तर तुम्हाला कोणतीच माहिती मिळणार नाही. खरेच? ह्यात कोणतीच माहिती नाही काय? ह्या मजकुरात व `पिढ्ढ करढपाखू' अशा निरर्थक शब्दांमध्ये काही फरक आहे का? हो! ह्याला आंधळा मजकूर असे म्हणतात. हा मजकूर तुम्हाला निवडलेला टंक कोणता आहे, अक्षरे कशी दिसतात ह्या सगळ्याबाबत माहिती देतो. ह्यासाठी विशिष्ट शब्दांची गरज नाही, परंतु शब्द वापरल्या गेलेल्या भाषेशी जुळायला हवेत.
+\section{दुसऱ्या स्तरावरील शीर्षक (विभाग)}
+नमस्कार! हा मजकूर अर्थशून्य आहे. ह्या ठिकाणी काय व कसे छापले जाईल ह्याचा हा केवळ एक नमुना आहे. जर तुम्ही हे वाचले, तर तुम्हाला कोणतीच माहिती मिळणार नाही. खरेच? ह्यात कोणतीच माहिती नाही काय? ह्या मजकुरात व `पिढ्ढ करढपाखू' अशा निरर्थक शब्दांमध्ये काही फरक आहे का? हो! ह्याला आंधळा मजकूर असे म्हणतात. हा मजकूर तुम्हाला निवडलेला टंक कोणता आहे, अक्षरे कशी दिसतात ह्या सगळ्याबाबत माहिती देतो. ह्यासाठी विशिष्ट शब्दांची गरज नाही, परंतु शब्द वापरल्या गेलेल्या भाषेशी जुळायला हवेत.
+\subsection{तिसऱ्या स्तरावरील शीर्षक (उपविभाग)}
+नमस्कार! हा मजकूर अर्थशून्य आहे. ह्या ठिकाणी काय व कसे छापले जाईल ह्याचा हा केवळ एक नमुना आहे. जर तुम्ही हे वाचले, तर तुम्हाला कोणतीच माहिती मिळणार नाही. खरेच? ह्यात कोणतीच माहिती नाही काय? ह्या मजकुरात व `पिढ्ढ करढपाखू' अशा निरर्थक शब्दांमध्ये काही फरक आहे का? हो! ह्याला आंधळा मजकूर असे म्हणतात. हा मजकूर तुम्हाला निवडलेला टंक कोणता आहे, अक्षरे कशी दिसतात ह्या सगळ्याबाबत माहिती देतो. ह्यासाठी विशिष्ट शब्दांची गरज नाही, परंतु शब्द वापरल्या गेलेल्या भाषेशी जुळायला हवेत.
+\subsubsection{चौथ्या स्तरावरील शीर्षक (उपउपविभाग)}
+नमस्कार! हा मजकूर अर्थशून्य आहे. ह्या ठिकाणी काय व कसे छापले जाईल ह्याचा हा केवळ एक नमुना आहे. जर तुम्ही हे वाचले, तर तुम्हाला कोणतीच माहिती मिळणार नाही. खरेच? ह्यात कोणतीच माहिती नाही काय? ह्या मजकुरात व `पिढ्ढ करढपाखू' अशा निरर्थक शब्दांमध्ये काही फरक आहे का? हो! ह्याला आंधळा मजकूर असे म्हणतात. हा मजकूर तुम्हाला निवडलेला टंक कोणता आहे, अक्षरे कशी दिसतात ह्या सगळ्याबाबत माहिती देतो. ह्यासाठी विशिष्ट शब्दांची गरज नाही, परंतु शब्द वापरल्या गेलेल्या भाषेशी जुळायला हवेत.
+\paragraph{पाचव्या स्तरावरील शीर्षक (परिच्छेद)}
+नमस्कार! हा मजकूर अर्थशून्य आहे. ह्या ठिकाणी काय व कसे छापले जाईल ह्याचा हा केवळ एक नमुना आहे. जर तुम्ही हे वाचले, तर तुम्हाला कोणतीच माहिती मिळणार नाही. खरेच? ह्यात कोणतीच माहिती नाही काय? ह्या मजकुरात व `पिढ्ढ करढपाखू' अशा निरर्थक शब्दांमध्ये काही फरक आहे का? हो! ह्याला आंधळा मजकूर असे म्हणतात. हा मजकूर तुम्हाला निवडलेला टंक कोणता आहे, अक्षरे कशी दिसतात ह्या सगळ्याबाबत माहिती देतो. ह्यासाठी विशिष्ट शब्दांची गरज नाही, परंतु शब्द वापरल्या गेलेल्या भाषेशी जुळायला हवेत.
+\section{याद्या}
+\subsection{बिंदुक्रमित यादीचे उदाहरण}
+\begin{itemize}
+\item पहिला मुद्दा
+\item दुसरा मुद्दा
+\item तिसरा मुद्दा
+\item चौथा मुद्दा
+\item पाचवा मुद्दा
+\end{itemize}
+\subsection*{बिंदुक्रमित यादीचे दुसरे उदाहरण}
+\begin{itemize}
+\item पहिला मुद्दा
+\begin{itemize}
+\item पहिला मुद्दा
+\begin{itemize}
+\item पहिला मुद्दा
+\begin{itemize}
+\item पहिला मुद्दा
+\item दुसरा मुद्दा
+\end{itemize}
+\item दुसरा मुद्दा
+\end{itemize}
+\item दुसरा मुद्दा
+\end{itemize}
+\item दुसरा मुद्दा
+\end{itemize}
+\subsection{अनुक्रमित यादीचे उदाहरण}
+\begin{enumerate}
+\item पहिला मुद्दा
+\item दुसरा मुद्दा
+\item तिसरा मुद्दा
+\item चौथा मुद्दा
+\item पाचवा मुद्दा
+\end{enumerate}
+\subsection*{अनुक्रमित यादीचे दुसरे उदाहरण}
+\begin{enumerate}
+\item पहिला मुद्दा
+\begin{enumerate}
+\item पहिला मुद्दा
+\begin{enumerate}
+\item पहिला मुद्दा
+\begin{enumerate}
+\item पहिला मुद्दा
+\item दुसरा मुद्दा
+\end{enumerate}
+\item दुसरा मुद्दा
+\end{enumerate}
+\item दुसरा मुद्दा
+\end{enumerate}
+\item दुसरा मुद्दा
+\end{enumerate}
+\subsection{वर्णनक्रमित यादीचे उदाहरण}
+\begin{description}
+\item[पहिला] मुद्दा
+\item[दुसरा] मुद्दा
+\item[तिसरा] मुद्दा
+\item[चौथा] मुद्दा
+\item[पाचवा] मुद्दा
+\end{description}
+\subsection*{वर्णनक्रमित यादीचे दुसरे उदाहरण}
+\begin{description}
+\item[पहिला] मुद्दा
+\begin{description}
+\item[पहिला] मुद्दा
+\begin{description}
+\item[पहिला] मुद्दा
+\begin{description}
+\item[पहिला] मुद्दा
+\item[दुसरा] मुद्दा
+\end{description}
+\item[दुसरा] मुद्दा
+\end{description}
+\item[दुसरा] मुद्दा
+\end{description}
+\item[दुसरा] मुद्दा
+\end{description}
\ No newline at end of file
diff --git a/language/marathi/glossaries.gls b/language/marathi/glossaries.gls
new file mode 100644
index 0000000000..cdd333d1d4
--- /dev/null
+++ b/language/marathi/glossaries.gls
@@ -0,0 +1,12 @@
+\newglossaryentry{टंकजुळणी}{name={टंकजुळणी},description={Typesetting}}
+\newglossaryentry{बीजधारिका}{name={बीजधारिका},description={Source file. पर्यायी - स्रोत-धारिका}}
+\newglossaryentry{आज्ञासंच}{name={आज्ञासंच},description={Package}}
+\newglossaryentry{चालक}{name={चालक},description={Compiler}}
+\newglossaryentry{लाटेक्-वर्ग}{name={लाटेक्-वर्ग},description={Document class}}
+\newglossaryentry{टंक}{name={टंक},description={Font}}
+\newglossaryentry{टेक्-वितरण}{name={टेक्-वितरण},description={\TeX-distribution}}
+\newglossaryentry{प्राचल}{name={प्राचल},description={Parameter, option}}
+\newglossaryentry{साहाय्यक धारिका}{name={साहाय्यक धारिका},description={Auxiliary files}}
+\newglossaryentry{आज्ञापीठ}{name={आज्ञापीठ},description={Preamble}}
+\newglossaryentry{धारिका}{name={धारिका},description={Files}}
+\newglossaryentry{मूलटंक}{name={मूलटंक},description={Default font}}
diff --git a/language/marathi/letter.tex b/language/marathi/letter.tex
new file mode 100644
index 0000000000..cf3b9ec9ab
--- /dev/null
+++ b/language/marathi/letter.tex
@@ -0,0 +1,12 @@
+\begin{letter}{प्राप्तकर्त्याचे नाव\\
+	प्राप्तकर्त्याची संस्था\\
+	संस्थेचा संक्षिप्त पत्ता}
+
+\opening{माननीय महोदय,}
+नमस्कार! हा मजकूर अर्थशून्य आहे. ह्या ठिकाणी काय व कसे छापले जाईल ह्याचा हा केवळ एक नमुना आहे. जर तुम्ही हे वाचले, तर तुम्हाला कोणतीच माहिती मिळणार नाही. खरेच? ह्यात कोणतीच माहिती नाही काय? ह्या मजकुरात व `पिढ्ढ करढपाखू' अशा निरर्थक शब्दांमध्ये काही फरक आहे का? हो! ह्याला आंधळा मजकूर असे म्हणतात. हा मजकूर तुम्हाला निवडलेला टंक कोणता आहे, अक्षरे कशी दिसतात ह्या सगळ्याबाबत माहिती देतो. ह्यासाठी विशिष्ट शब्दांची गरज नाही, परंतु शब्द वापरल्या गेलेल्या भाषेशी जुळायला हवेत.
+
+धन्यवाद.
+
+\closing{आपला विश्वासू,}
+\ps{टीप : ही एक टीप आहे.}
+\end{letter}
diff --git a/language/marathi/marathi.dtx b/language/marathi/marathi.dtx
new file mode 100644
index 0000000000..e4f500018f
--- /dev/null
+++ b/language/marathi/marathi.dtx
@@ -0,0 +1,248 @@
+% \iffalse meta-comment
+%
+% File: marathi.dtx
+% ---------------------------------------------------------------------------
+% आज्ञासंच:		marathi
+% लेखक:		निरंजन
+% माहिती:	लुआ-लाटेक् व झी-लाटेक् ह्यांच्यासह मराठीचा सुलभ वापर करण्यासाठी.
+% दुवा:   https://gitlab.com/niranjanvikastambe/marathi
+% अडचणी:  https://gitlab.com/niranjanvikastambe/marathi/-/issues
+% परवाना:      लाटेक् प्रकल्प परवाना. आवृत्ती १.३सी किंवा त्यापुढील.
+% ---------------------------------------------------------------------------
+% हे काम लाटेक् प्रकल्प परवान्याच्या अटींचे पालन करून वितरित केले जाऊ शकते
+% तसेच सुधारले जाऊ शकते.
+% 
+% The latest version of this license is in
+% 
+% http://www.latex-project.org/lppl.txt.
+% 
+% हा आज्ञासंचाची लाटेक् प्रकल्पाच्या नियमांनुसार देखरेख केली जात आहे.
+% 
+% ह्या आज्ञासंचाचा लेखक व पालक निरंजन आहे.
+% 
+% ह्या कामात marathi.dtx, marathi.ins तसेच त्यांपासून निर्माण केलेली
+% marathi.sty ही धारिका समाविष्ट आहे.
+% ---------------------------------------------------------------------------
+%
+% \fi
+% \iffalse
+%<*internal>
+\iffalse
+%</internal>
+%<*readme>
+आज्ञासंच:      marathi
+लेखक:       निरंजन
+आवृत्ती:      ०.१  (२५ मे, २०२०)
+माहिती:  लुआ-लाटेक् व झी-लाटेक् ह्यांच्यासह मराठीचा सुलभ वापर करण्यासाठी.
+दुवा:   https://gitlab.com/niranjanvikastambe/marathi
+अडचणी:  https://gitlab.com/niranjanvikastambe/marathi/-/issues
+परवाना:      लाटेक् प्रकल्प परवाना. आवृत्ती १.३सी किंवा त्यापुढील.
+अधिक माहितीकरिता marathi.dtx ही बीजधारिका पाहा.
+--------------------------------------------------------------------------
+Package:      marathi
+Author:       Niranjan
+Version:      1.0  (25 May, 2020)
+Description:  For conveniently typesetting Marathi language with LuaLaTeX and XeLaTeX.
+Repository:   https://gitlab.com/niranjanvikastambe/marathi
+Bug tracker:  https://gitlab.com/niranjanvikastambe/marathi/-/issues
+License:      The LaTeX Project Public License v1.3c or later.
+%</readme>
+%<*internal>
+\fi
+%</internal>
+%<*driver|package>
+\def\marathiPackageName{marathi}
+\def\marathiPackageVersion{१.०}
+\def\marathiPackageDate{२५ मे, २०२०}
+\def\marathiPackageDescription{लुआ-लाटेक् व झी-लाटेक् ह्यांच्यासह मराठीचा सुलभ वापर करण्यासाठी.}
+%</driver|package>
+%<*driver>
+\documentclass[10pt]{l3doc}
+\usepackage{xltxtra}
+\usepackage{fontspec}
+\usepackage{xcolor}
+\usepackage{hyperref}
+\hypersetup{
+    colorlinks,
+    linkcolor={red!50!black},
+    citecolor={blue!50!black},
+    urlcolor={blue!80!black}
+}
+\usepackage[sort=use]{glossaries}
+\input{glossaries.gls}
+\setmainfont[Script=Devanagari,Mapping=devanagarinumerals]{Shobhika}
+\setmonofont[Script=Devanagari]{Mukta}
+\newfontfamily{\mukta}[Script=Devanagari]{Mukta}
+\usepackage{minted}
+\usemintedstyle{bw}
+\usepackage{fontawesome5}
+\renewcommand{\glossaryname}{संज्ञासूची}
+\renewcommand{\abstractname}{सारांश}
+\renewcommand{\contentsname}{अनुक्रमणिका}
+\renewcommand{\baselinestretch}{1.5}
+\makeglossaries
+\RecordChanges
+\begin{document}
+\DocInput{\marathiPackageName.dtx}
+\end{document}
+%</driver>
+% \fi
+%
+%
+%
+% \title{मराठी}
+% \author{निरंजन}
+% \date^^A
+%   {^^A
+%     आवृत्ती \marathiPackageVersion\ \textemdash\ \marathiPackageDate\\[1ex]^^A
+%     {\small\faIcon{gitlab}\quad\url{https://gitlab.com/niranjanvikastambe/marathi}}^^A
+%   }
+%
+% \maketitle
+%
+% \begin{abstract}
+% \XeLaTeX\ चा वापर करून मराठीत \gls{टंकजुळणी}\footnote{ह्या दस्तऐवजात लाटेक्-मध्ये प्रचलित असणाऱ्या अनेक इंग्रजी संज्ञांसाठी पर्यायी मराठी संज्ञा वापरण्यात आल्या आहेत, हे सर्व प्रयोग तुलनेने नवे असल्याने ह्याच दस्तऐवजातील शेवटच्या संज्ञासूचीत सर्व संज्ञांचे इंग्रजी अर्थ दिले आहेत.} शक्य आहे, परंतु सुलभ नाही. \LaTeX\ सह मराठीत टंकजुळणी करताना आपली \gls{बीजधारिका} अनेक आज्ञांनी भरून जाते. हा \gls{आज्ञासंच} अशा सर्व उपयुक्त आज्ञा आधीच लिहून ठेवतो. त्यामुळे नव्या वापरकर्त्यांना त्या सर्व आज्ञा वेगळ्या शिकाव्या लागत नाहीत. शिवाय blindtext ह्या आज्ञासंचाप्रमाणे मराठीकरिता नमुना मजकूर उत्पन्न करण्यासाठीची सोय करण्यात आली आहे. \LuaLaTeX\ हा अत्याधुनिक \gls{चालक} वापरल्यास अंक रोमी लिपीत येतात, ती अडचणदेखील ह्या आज्ञासंचात सोडवण्यात आली आहे.
+% \end{abstract}
+%
+% \begin{documentation}
+% \section{प्रस्तावना}
+% लाटेक्-मध्ये मराठीचा वापर करताना सर्वात महत्त्वाची गरज म्हणजे देवनागरी लिपी नीट दिसणे. लाटेक् विकसित झाले तेव्हा युनिकोड ही प्रणाली अस्तित्वात नसल्याने टेक्, लाटेक् ह्यांसारख्या चालकांसह युनिकोड अक्षरे वापरता येत नाहीत, परंतु लवकरच युनिकोड अक्षरांचा वापर लाटेक्-मध्ये करता यावा ह्याकरिता \XeLaTeX\ (झी-लाटेक्) तसेच \LuaLaTeX\ (लुआ-लाटेक्) ह्या नव्या चालकांचा विकास झाला. {\mukta fontspec} सदृश आज्ञासंचासह एखादा युनिकोड-आधारित \gls{टंक} वापरणे व युनिकोड-मजकूर थेट झी-लाटेक् अथवा लुआ-लाटेक्-सोबत चालवणे हे ह्या नव्या चालकांचे प्रमुख उद्दिष्ट होते, परंतु हे काम अतिशय गुंतागुंतीचे होते. २०२० चे \gls{टेक्-वितरण} येईपर्यंत व त्यात हर्फ़बझ नावाची नवी आज्ञावली येेईपर्यंत लुआ-लाटेक्-ला देवनागरी हाताळता आलेच नाही. झी-लाटेक्-सह मात्र देवनागरी व्यवस्थित दिसणे शक्य झाले.
+% \subsection{देवनागरी दिसण्यासाठी टाकावयाच्या आज्ञा}
+% देवनागरी योग्य तऱ्हेने दिसण्यासाठी काही आज्ञांचा वापर करणे अनिवार्य होते. देवनागरी लिपी दस्तऐवजात दाखवण्यासाठी लागणाऱ्या किमान आज्ञा पुढीलप्रमाणे.
+% \begin{minted}[linenos]{latex}
+% % !TEX TS-program = xelatex
+% \documentclass{article}
+% \usepackage{fontspec}
+% \setmainfont{Shobhika} % अथवा कोणताही युनिकोड-आधारित देवनागरी टंक
+%
+% \begin{document}
+%    नमस्कार
+% \end{document}
+% \end{minted}
+%
+% ह्या उदाहरणाने देवनागरी दिसत असले तरी फलित हवे तसे दिसत नाही. जोडाक्षरे तुटक दिसतात. त्यासाठी \mintinline{latex}{\setmainfont} ह्या आज्ञेस {\mukta Script=Devanagari} असे \gls{प्राचल} द्यावे लागते. पुढील अडचण म्हणजे लाटेक् आपोआप पुरवणारे आकडे (उदा. पृष्ठक्रमांक, तळटिपांचे क्रमांक) देवनागरीत न येणे. त्याकरिता ह्या आज्ञेस {\mukta Mapping=devanagarinumerals} असे आणखी एक प्राचल द्यावे लागते. इतके करूनही भाषेचा प्रश्न उरतोच! उदा. लाटेक्-ला इंग्रजीव्यतिरिक्त इतर कोणतीही भाषा कळत नसल्यामुळे मूलभूत इंग्रजी शब्दांची भाषांतरे पुरवणारे बेबल अथवा पॉलिग्लॉसिया ह्यांसारखे आज्ञासंच वापरून भाषा निवडावी लागते. रोहित होळकरांच्या \href{https://ctan.org/pkg/latex-mr?lang=en}{\mukta latex-mr} ह्या पुस्तिकेत ह्या सर्व अडचणींची तपशीलवार चर्चा झाली आहे.
+
+% सद्यपरिस्थितीत लाटेक्-चे किमान ज्ञान असलेल्या नव्या वापरकर्त्याला मराठी लिहिण्यासाठी हा सगळा प्रपंच करायला लावणे म्हणजे ज्या फांदीवर आपण बसलो आहोत तीच तोडण्यासारखे आहे. त्यामुळे कोणत्याही वापरकर्त्याला केवळ लाटेक्-च्या किमान ज्ञानासह \mintinline{latex}{\usepackage{marathi}} एवढी एक आज्ञा लिहून उत्तम देवनागरी टंकजुळणी करता यावी हा ह्या आज्ञासंचाचा उद्देश आहे. ह्या आज्ञासंचात केवळ दोन आज्ञांचा समावेश आहे. त्या पुढीलप्रमाणे.
+% \begin{function}{\नमुना}
+%    नमुना ही आज्ञा सर्वप्रथम दिलेला \gls{लाटेक्-वर्ग} पाहते व त्यानुसार त्या वर्गाच्या किमान क्षमता दर्शवणारी एक फलित-धारिका निर्माण करते. उदाहरणादाखल {\mukta article, book, report, beamer व letter} ह्या लाटेक्-वर्गांसह \mintinline{latex}{\नमुना} ही आज्ञा चालवून पाहा. एकाच बीजधारिकेत केवळ लाटेक्-वर्ग बदलत असाल, तर लाटेक्-ने तयार केलेल्या \gls{साहाय्यक धारिका} काही वेळा अनपेक्षित अडचणी दाखवल्या जातात. जुनी माहिती शिल्लक असल्याने त्या दिल्या जातात. घाबरून न जाता, तीच धारिका दोनदा चालवावी. सर्व अडचणी सुटतात.
+% \end{function}
+% \begin{function}{\टंक}
+% \begin{syntax}
+% \cs{टंक} \marg{टंकाचे नाव}
+% \end{syntax}
+% ह्या आज्ञासंचात शोभिका हा टंक \gls{मूलटंक} म्हणून निवडून ठेवला आहे. परंतु तो बदलायचा असेल तर \mintinline{latex}{\टंक} ह्या आज्ञेची सोय करण्यात आली आहे. ह्या आज्ञेसह आपोआप देवनागरी टंकासाठी आवश्यक असणारी {\mukta Renderer=Harfbuzz,Script=Devanagari,Mapping=devanagarinumerals} ही प्राचले लिहून ठेवली आहेत. शिवाय \mintinline{latex}{\setmainfont{टंकाचे नाव}} ही आज्ञा नेहमीप्रमाणे चालतेच.
+% \end{function}
+% \end{documentation}
+% 
+% \StopEventually{\PrintIndex}
+% 
+% \begin{implementation}
+% \section*{आज्ञासंचाची घडण}
+% आता आपण आज्ञासंचाची घडण व त्यातील आज्ञांचा उपयोग लक्षात घेऊयात.
+%    \begin{macrocode}
+%<@@=marathi>
+%<*package>
+%    \end{macrocode}
+%    \begin{macrocode}
+\ProvidesPackage{marathi} 
+\NeedsTeXFormat{LaTeX2e}
+%    \end{macrocode}
+% ह्या आज्ञांसह आज्ञासंचाची पायाभूत माहिती पुरवली.
+% \section{अंतर}
+% इंग्रजीमधली g, j, y अशी अक्षरे सोडली तर त्यांच्याहून जास्त खोली असणारा मजकूर त्या लिपीत आढळत नाही. देवनागरीचे तसे नाही. क ह्या अक्षराहून क्क थोडे अधिक खोल. ट्ट त्याहून थोडे अधिक व ट्टू त्याहून. अशा असमान उंचीच्या अक्षरांमुळे लाटेक् आपोआप दोन ओळींमधले अंतर बदलते व त्यामुळे ओळींची उंची असमान दिसू लागते. साध्या मजकुरातील ओळींप्रमाणेच कोष्टकेदेखील कुरूप दिसू लागतात. ह्यावर तोडगा काय? ह्याची दोन उत्तरे आहेत. पहिले उत्तर मराठीच्या आजवरच्या छपाईच्या इतिहासाचा अभ्यास करून, मराठी लिहिताना दोन ओळींमध्ये सोडले गेलेले सरासरी अंतर किती ह्याचे संशोधन करणे व त्यानुसार सर्व ठिकाणी ते अंतर लागू करणे. हा मार्ग सहज नाही. हा संशोधनाचा विषय आहे. त्याकरिता टंकाच्या आकाराचे व त्यानुसार बदलणाऱ्या ओळींच्या अंतराचे प्रमाणदेखील काळजीपूर्वक अभ्यासावे लागेल. हे सर्व करणे जरी इष्ट व आवश्यक असले तरी हे संशोधन पूर्ण होईस्तोवर सामान्य वापरकर्त्याला ज्या आज्ञा शिकण्याचे कष्ट पडतात ते कसे टाळावेत? त्यासाठी तात्पुरता तोडगा काढावा लागतो. तो असा की ओळींमधले अंतर दस्तऐवजाच्या सुरुवातीलाच वाढवून ठेवायचे. त्यासाठी पुढील आज्ञा वापरल्या जातात.
+
+% \noindent{\mukta\textbackslash renewcommand\{\textbackslash baselinestretch\}\{1.5\}}\par
+% \noindent{\mukta\textbackslash renewcommand\{\textbackslash arraystretch\}\{1.5\}}
+
+% आमच्या काही सहकाऱ्यांच्या मते हा निर्णय अतिशय उग्र आहे. त्यामुळे दस्तऐवजातील इतर काही ठिकाणच्या अंतरांवर सूक्ष्म परिणाम घडतात, जे टाळणे अधिक इष्ट. त्यांच्या ह्या मताचा विचार करून ह्या आज्ञासंचाकरिता \textbf{अंतर} नावाचे प्राचल विकसित केले आहे. हे प्राचल वापरल्यास आज्ञासंचातर्फे ओळींमधल्या अंतरात कोणताही हस्तक्षेप केला जात नाही. त्याकरिता पुढील आज्ञा समाविष्ट केल्या आहेत. 
+
+%    \begin{macrocode}
+\newif\ifmarathi@अंतर
+\marathi@अंतरfalse
+\DeclareOption{अंतर}{\marathi@अंतरtrue}
+\ProcessOptions
+\ifmarathi@अंतर
+\else
+\renewcommand{\baselinestretch}{1.5}
+\renewcommand{\arraystretch}{1.5}
+\fi
+%    \end{macrocode}
+% \section{standalone लाटेक्-वर्ग}
+% standalone हा विशेष लाटेक्-वर्ग केवळ दस्तऐवजात दिलेल्या गोष्टींच्या आकाराचे फलित तयार करण्यासाठी वापरला जातो. उदा. article लाटेक्-वर्गात एखादे कोष्टक टाकले तर पानाच्या नेहमीच्या आकाराइतकी जागा कोष्टकाच्या आजूबाजूला सुटतेच. standalone लाटेक्-वर्गात मात्र तसे न होता केवळ कोष्टकाच्या आकाराइतके फलित निर्माण होते, परंतु ह्या वर्गास polyglossia आज्ञासंच व त्यातून पुरवली जाणारी भाषांतरे अनावश्यक आहेत, त्यामुळे ह्या लाटेक्-वर्गाकरिता केवळ fontspec हा आज्ञासंच वापरून, इतर सर्व वर्गांसाठी polyglossia हा आज्ञासंच वापरला आहे. त्यामुळे सर्व लाटेक्-वर्गांमध्ये भाषांतरेही मिळतात व standalone वर्गातदेखील आज्ञासंचामुळे कोणतीही अडचण येत नाही. पुढील आज्ञांनी हे साधले आहे.
+%    \begin{macrocode}
+\@ifclassloaded{standalone}{\RequirePackage{fontspec}}{
+    \RequirePackage{polyglossia}
+    \setdefaultlanguage{marathi}
+}
+%    \end{macrocode}
+% \section{लुआ-लाटेक्}
+% लुआ-लाटेक् हा अत्याधुनिक चालक आता देवनागरीसाठी उपलब्ध झाला आहे. हर्फ़बझ ह्या लुआविशिष्ट आज्ञावलीच्या मदतीने देवनागरी व्यवस्थित दाखवली जात आहे. अशा वेळी तिचा पुरेपुर उपयोग का करू नये? परंतु वापर करताना सर्व अडचणी सुटायला हव्यात. लुआ-लाटेक् अजूनही अरबी आकड्यांऐवजी देवनागरी आकडे देत नाही. त्याकरिता पुढीलप्रकारे नवीन आज्ञा पुरवल्या आहेत.
+%    \begin{macrocode}
+\RequirePackage{devanagaridigits}
+\def\@arabic#1{\expandafter\devanagaridigits\expandafter{\number#1}}
+%    \end{macrocode}
+% अशा प्रकारे आकडे बदलल्याचा एक फायदा असा की जिथे अरबी आकडे लिहायचे आहेत तिथे तेदेखील लिहिता येतात. झी-लाटेक् व {\mukta Mapping=devanagarinumerals} वापरल्यामुळे अरबी आकडे वापरण्यासाठी नवा टंक वापरावा लागतो.
+% \section{टंकनिवड}
+% शोभिका हा लाटेक्-वितरणासह येणारा व देवनागरीची अतिशय चांगली टंकजुळणी करणारा टंक आहे. तो मूलटंक म्हणून ह्या आज्ञासंचाद्वारे निवडला जातो. अर्थात तो बदलण्याच्या सुविधेसकट. शिवाय कुठल्याही देवनागरी टंकाचे योग्य फलित दिसण्यासाठी {\mukta Script=Devanagari} हे प्राचल वापरावे लागते. ह्या व अशा इतर काही प्राचलांसकट शोभिकाची निवड करून ठेवणे व त्याशिवाय \mintinline{latex}{\टंक} ह्या आज्ञेद्वारे निवडल्या जाणाऱ्या टंकासदेखील तीच प्राचले वापरणे हे पुढील आज्ञांनी साधले जाते.
+%    \begin{macrocode}
+\setmainfont[Renderer=Harfbuzz,Script=Devanagari,Mapping=devanagarinumerals]{Shobhika}
+\newcommand{\टंक}[1]
+{\setmainfont[Renderer=Harfbuzz,Script=Devanagari,Mapping=devanagarinumerals]{#1}}
+%    \end{macrocode}
+% ह्या आज्ञांमुळे धारिका लुआ अथवा झी-लाटेक् ह्यांपैकी कोणत्याही चालकासह चालवता येते. {\mukta Renderer=Harfbuzz} हे प्राचल लुआविशिष्ट आहे. त्यामुळे झी-लाटेक् वापरल्यास ह्या प्राचलाकडे दुर्लक्ष केले जात आहे अशी एक सूचना आपल्याला मिळते. ही अडचण नसून केवळ एक सूचना आहे. झी-लाटेक्-प्रमाणेच आपणही तिच्याकडे दुर्लक्ष करावे!
+
+% \section{नमुना मजकूर}
+% मागे म्हटल्याप्रमाणे नमुना मजकूर तयार करण्यासाठी ह्या आज्ञासंचाचा वापर करता येतो, परंतु त्याकरिता लाटेक्-ला थोडी माहिती पुरवावी लागते. ही माहिती पुरवण्याचे विशिष्ट स्थान आहे. लाटेक्-मध्ये मूळ दस्तऐवज सुरू होण्यापूर्वी ही माहिती पुरविण्याकरिता \gls{आज्ञापीठ} असते. ह्या आज्ञासंचातर्फे पुरवल्या जाणाऱ्या नमुना मजकुराची माहिती पुढील आज्ञांनी पुरवली जाते. (तुमच्या दस्तऐवजात मराठी आज्ञासंचानंतर ती माहिती बदललीत तर आज्ञासंचातील माहिती आपोआप विसरली जाते.) letter ह्या लाटेक्-वर्गाकरिता लागणारी माहिती इतर वर्गांकरिता अप्रासंगिक असल्याने ती वेगळी पुरवली आहे.
+%    \begin{macrocode}
+\title{नमुना}
+\author{लेखक}
+\@ifclassloaded{letter}{
+    \name{लेखक}
+    \signature{सही}
+    \address{
+        लेखकाचे नाव\\
+        अबक मार्ग\\
+        मुंबई\\
+        पिन क्र. ४०००००}
+    \location{लेखकाचे स्थान}
+    \telephone{दूरध्वनी - ०२० २२९५ २१०८}
+}
+%    \end{macrocode}
+% निरनिराळ्या लाटेक्-वर्गांसाठी स्वतंत्र \gls{धारिका} पुढीलप्रमाणे पुरवल्या आहेत.
+%    \begin{macrocode}
+\providecommand{\mrarticle}{\input{article}}
+\providecommand{\mrbook}{\input{book}}
+\providecommand{\mrreport}{\input{report}}
+\providecommand{\mrbeamer}{\input{beamer}}
+\providecommand{\mrletter}{\input{letter}}
+%    \end{macrocode}
+% निवडलेल्या लाटेक्-वर्गांप्रमाणे धारिका निवडण्यासाठीच्या आज्ञा पुढीलप्रमाणे.
+%    \begin{macrocode}
+\newcounter{क्र}
+\@ifclassloaded{article}{\setcounter{क्र}{1}}{}
+\@ifclassloaded{book}{\setcounter{क्र}{2}}{}
+\@ifclassloaded{report}{\setcounter{क्र}{3}}{}
+\@ifclassloaded{beamer}{\setcounter{क्र}{4}}{}
+\@ifclassloaded{letter}{\setcounter{क्र}{5}}{}
+\providecommand{\नमुना}{
+    \ifnum\value{क्र}=1\mrarticle\else
+    \ifnum\value{क्र}=2\mrbook\else
+    \ifnum\value{क्र}=3\mrreport\else
+    \ifnum\value{क्र}=4\mrbeamer\else
+    \mrletter\relax\fi\fi\fi\fi
+}
+%    \end{macrocode}
+% beamer लाटेक्-वर्ग वापरताना serif ही टंकछटा निवडावी लागते, त्याशिवाय देवनागरी लिपी दिसत नाही. त्या आज्ञा पुढीलप्रमाणे भरल्या आहेत.
+%    \begin{macrocode}
+\@ifclassloaded{beamer}{%
+    \usefonttheme{serif}}
+\endinput
+%    \end{macrocode}
+%    \begin{macrocode}
+%</package>
+%    \end{macrocode}
+% \end{implementation}
+% \pagebreak
+% \printglossaries
+%
+% \Finale
\ No newline at end of file
diff --git a/language/marathi/marathi.ins b/language/marathi/marathi.ins
new file mode 100644
index 0000000000..885841ad8b
--- /dev/null
+++ b/language/marathi/marathi.ins
@@ -0,0 +1,55 @@
+% File: marathi.ins
+\input l3docstrip.tex
+
+\keepsilent
+\askforoverwritefalse
+
+\preamble
+
+-------------------------------------------------------------------------
+आज्ञासंच:      marathi
+लेखक:       निरंजन
+आवृत्ती:      ०.१  (२३ मे, २०२०)
+माहिती:  लुआ-लाटेक् व झी-लाटेक् ह्यांच्यासह मराठीचा सुलभ वापर करण्यासाठी.
+दुवा:   https://gitlab.com/niranjanvikastambe/marathi
+अडचणी:  https://gitlab.com/niranjanvikastambe/marathi/-/issues
+परवाना:      लाटेक् प्रकल्प परवाना. आवृत्ती १.३सी किंवा त्यापुढील.
+अधिक माहितीकरिता marathi.dtx ही बीज-धारिका पाहा.
+---------------------------------------------------------------------------
+हे काम लाटेक् प्रकल्प परवान्याच्या (१.३सी अथवा त्यापुढील) अटींचे पालन करून वितरित केले जाऊ शकते
+तसेच सुधारले जाऊ शकते.
+
+ह्या परवान्याची नवीनतम प्रत खालील दुव्यावर उपलब्ध आहे.
+
+http://www.latex-project.org/lppl.txt.
+
+हा आज्ञासंचाची लाटेक् प्रकल्पाच्या नियमांनुसार देखरेख केली जात आहे.
+
+ह्या आज्ञासंचाचा लेखक व पालक निरंजन आहे.
+
+ह्या कामात marathi.dtx, marathi.ins तसेच त्यांपासून निर्माण केलेली
+marathi.sty ही धारिका समाविष्ट आहे.
+--------------------------------------------------------------------------
+Package:      marathi
+Author:       Niranjan
+Version:      1.0  (25 May, 2020)
+Description:  For conveniently typesetting Marathi language with LuaLaTeX and XeLaTeX.
+Repository:   https://gitlab.com/niranjanvikastambe/marathi
+Bug tracker:  https://gitlab.com/niranjanvikastambe/marathi/-/issues
+License:      The LaTeX Project Public License v1.3c or later.
+---------------------------------------------------------------------------
+
+\endpreamble
+
+\usedir{tex/latex/\jobname}
+\generate{
+  \file{\jobname.sty}{\from{\jobname.dtx}{package}}
+}
+
+\nopreamble\nopostamble
+\usedir{doc/latex/\jobname}
+\generate{
+  \file{README.txt}{\from{\jobname.dtx}{readme}}
+}
+
+\endbatchfile
\ No newline at end of file
diff --git a/language/marathi/marathi.pdf b/language/marathi/marathi.pdf
new file mode 100644
index 0000000000..870adc7226
--- /dev/null
+++ b/language/marathi/marathi.pdf
diff --git a/language/marathi/report.tex b/language/marathi/report.tex
new file mode 100644
index 0000000000..1f87c1bf37
--- /dev/null
+++ b/language/marathi/report.tex
@@ -0,0 +1,91 @@
+\maketitle
+\begin{abstract}
+नमस्कार! हा मजकूर अर्थशून्य आहे. ह्या ठिकाणी काय व कसे छापले जाईल ह्याचा हा केवळ एक नमुना आहे. जर तुम्ही हे वाचले, तर तुम्हाला कोणतीच माहिती मिळणार नाही. खरेच? ह्यात कोणतीच माहिती नाही काय? ह्या मजकुरात व `पिढ्ढ करढपाखू' अशा निरर्थक शब्दांमध्ये काही फरक आहे का? हो! ह्याला आंधळा मजकूर असे म्हणतात. हा मजकूर तुम्हाला निवडलेला टंक कोणता आहे, अक्षरे कशी दिसतात ह्या सगळ्याबाबत माहिती देतो. ह्यासाठी विशिष्ट शब्दांची गरज नाही, परंतु शब्द वापरल्या गेलेल्या भाषेशी जुळायला हवेत.
+\end{abstract}
+\tableofcontents
+\chapter{पहिल्या स्तरावरील शीर्षक (प्रकरण)}
+नमस्कार! हा मजकूर अर्थशून्य आहे. ह्या ठिकाणी काय व कसे छापले जाईल ह्याचा हा केवळ एक नमुना आहे. जर तुम्ही हे वाचले, तर तुम्हाला कोणतीच माहिती मिळणार नाही. खरेच? ह्यात कोणतीच माहिती नाही काय? ह्या मजकुरात व `पिढ्ढ करढपाखू' अशा निरर्थक शब्दांमध्ये काही फरक आहे का? हो! ह्याला आंधळा मजकूर असे म्हणतात. हा मजकूर तुम्हाला निवडलेला टंक कोणता आहे, अक्षरे कशी दिसतात ह्या सगळ्याबाबत माहिती देतो. ह्यासाठी विशिष्ट शब्दांची गरज नाही, परंतु शब्द वापरल्या गेलेल्या भाषेशी जुळायला हवेत.
+\section{दुसऱ्या स्तरावरील शीर्षक (विभाग)}
+नमस्कार! हा मजकूर अर्थशून्य आहे. ह्या ठिकाणी काय व कसे छापले जाईल ह्याचा हा केवळ एक नमुना आहे. जर तुम्ही हे वाचले, तर तुम्हाला कोणतीच माहिती मिळणार नाही. खरेच? ह्यात कोणतीच माहिती नाही काय? ह्या मजकुरात व `पिढ्ढ करढपाखू' अशा निरर्थक शब्दांमध्ये काही फरक आहे का? हो! ह्याला आंधळा मजकूर असे म्हणतात. हा मजकूर तुम्हाला निवडलेला टंक कोणता आहे, अक्षरे कशी दिसतात ह्या सगळ्याबाबत माहिती देतो. ह्यासाठी विशिष्ट शब्दांची गरज नाही, परंतु शब्द वापरल्या गेलेल्या भाषेशी जुळायला हवेत.
+\subsection{तिसऱ्या स्तरावरील शीर्षक (उपविभाग)}
+नमस्कार! हा मजकूर अर्थशून्य आहे. ह्या ठिकाणी काय व कसे छापले जाईल ह्याचा हा केवळ एक नमुना आहे. जर तुम्ही हे वाचले, तर तुम्हाला कोणतीच माहिती मिळणार नाही. खरेच? ह्यात कोणतीच माहिती नाही काय? ह्या मजकुरात व `पिढ्ढ करढपाखू' अशा निरर्थक शब्दांमध्ये काही फरक आहे का? हो! ह्याला आंधळा मजकूर असे म्हणतात. हा मजकूर तुम्हाला निवडलेला टंक कोणता आहे, अक्षरे कशी दिसतात ह्या सगळ्याबाबत माहिती देतो. ह्यासाठी विशिष्ट शब्दांची गरज नाही, परंतु शब्द वापरल्या गेलेल्या भाषेशी जुळायला हवेत.
+\subsubsection{चौथ्या स्तरावरील शीर्षक (उपउपविभाग)}
+नमस्कार! हा मजकूर अर्थशून्य आहे. ह्या ठिकाणी काय व कसे छापले जाईल ह्याचा हा केवळ एक नमुना आहे. जर तुम्ही हे वाचले, तर तुम्हाला कोणतीच माहिती मिळणार नाही. खरेच? ह्यात कोणतीच माहिती नाही काय? ह्या मजकुरात व `पिढ्ढ करढपाखू' अशा निरर्थक शब्दांमध्ये काही फरक आहे का? हो! ह्याला आंधळा मजकूर असे म्हणतात. हा मजकूर तुम्हाला निवडलेला टंक कोणता आहे, अक्षरे कशी दिसतात ह्या सगळ्याबाबत माहिती देतो. ह्यासाठी विशिष्ट शब्दांची गरज नाही, परंतु शब्द वापरल्या गेलेल्या भाषेशी जुळायला हवेत.
+\paragraph{पाचव्या स्तरावरील शीर्षक (परिच्छेद)}
+नमस्कार! हा मजकूर अर्थशून्य आहे. ह्या ठिकाणी काय व कसे छापले जाईल ह्याचा हा केवळ एक नमुना आहे. जर तुम्ही हे वाचले, तर तुम्हाला कोणतीच माहिती मिळणार नाही. खरेच? ह्यात कोणतीच माहिती नाही काय? ह्या मजकुरात व `पिढ्ढ करढपाखू' अशा निरर्थक शब्दांमध्ये काही फरक आहे का? हो! ह्याला आंधळा मजकूर असे म्हणतात. हा मजकूर तुम्हाला निवडलेला टंक कोणता आहे, अक्षरे कशी दिसतात ह्या सगळ्याबाबत माहिती देतो. ह्यासाठी विशिष्ट शब्दांची गरज नाही, परंतु शब्द वापरल्या गेलेल्या भाषेशी जुळायला हवेत.
+\section{याद्या}
+\subsection{बिंदुक्रमित यादीचे उदाहरण}
+\begin{itemize}
+\item पहिला मुद्दा
+\item दुसरा मुद्दा
+\item तिसरा मुद्दा
+\item चौथा मुद्दा
+\item पाचवा मुद्दा
+\end{itemize}
+\subsection*{बिंदुक्रमित यादीचे दुसरे उदाहरण}
+\begin{itemize}
+\item पहिला मुद्दा
+\begin{itemize}
+\item पहिला मुद्दा
+\begin{itemize}
+\item पहिला मुद्दा
+\begin{itemize}
+\item पहिला मुद्दा
+\item दुसरा मुद्दा
+\end{itemize}
+\item दुसरा मुद्दा
+\end{itemize}
+\item दुसरा मुद्दा
+\end{itemize}
+\item दुसरा मुद्दा
+\end{itemize}
+\subsection{अनुक्रमित यादीचे उदाहरण}
+\begin{enumerate}
+\item पहिला मुद्दा
+\item दुसरा मुद्दा
+\item तिसरा मुद्दा
+\item चौथा मुद्दा
+\item पाचवा मुद्दा
+\end{enumerate}
+\subsection*{अनुक्रमित यादीचे दुसरे उदाहरण}
+\begin{enumerate}
+\item पहिला मुद्दा
+\begin{enumerate}
+\item पहिला मुद्दा
+\begin{enumerate}
+\item पहिला मुद्दा
+\begin{enumerate}
+\item पहिला मुद्दा
+\item दुसरा मुद्दा
+\end{enumerate}
+\item दुसरा मुद्दा
+\end{enumerate}
+\item दुसरा मुद्दा
+\end{enumerate}
+\item दुसरा मुद्दा
+\end{enumerate}
+\subsection{वर्णनक्रमित यादीचे उदाहरण}
+\begin{description}
+\item[पहिला] मुद्दा
+\item[दुसरा] मुद्दा
+\item[तिसरा] मुद्दा
+\item[चौथा] मुद्दा
+\item[पाचवा] मुद्दा
+\end{description}
+\subsection*{वर्णनक्रमित यादीचे दुसरे उदाहरण}
+\begin{description}
+\item[पहिला] मुद्दा
+\begin{description}
+\item[पहिला] मुद्दा
+\begin{description}
+\item[पहिला] मुद्दा
+\begin{description}
+\item[पहिला] मुद्दा
+\item[दुसरा] मुद्दा
+\end{description}
+\item[दुसरा] मुद्दा
+\end{description}
+\item[दुसरा] मुद्दा
+\end{description}
+\item[दुसरा] मुद्दा
+\end{description}
diff --git a/macros/latex/contrib/biblatex-contrib/biblatex-unified/JournalUnifiedStyleSheet2007.pdf b/macros/latex/contrib/biblatex-contrib/biblatex-unified/JournalUnifiedStyleSheet2007.pdf
new file mode 100644
index 0000000000..d84027cce8
--- /dev/null
+++ b/macros/latex/contrib/biblatex-contrib/biblatex-unified/JournalUnifiedStyleSheet2007.pdf
diff --git a/macros/latex/contrib/biblatex-contrib/biblatex-unified/LICENSE b/macros/latex/contrib/biblatex-contrib/biblatex-unified/LICENSE
new file mode 100644
index 0000000000..f8b699e6eb
--- /dev/null
+++ b/macros/latex/contrib/biblatex-contrib/biblatex-unified/LICENSE
@@ -0,0 +1,415 @@
+The LaTeX Project Public License
+=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
+
+LPPL Version 1.3c  2008-05-04
+
+Copyright 1999 2002-2008 LaTeX3 Project
+    Everyone is allowed to distribute verbatim copies of this
+    license document, but modification of it is not allowed.
+
+
+PREAMBLE
+========
+
+The LaTeX Project Public License (LPPL) is the primary license under
+which the LaTeX kernel and the base LaTeX packages are distributed.
+
+You may use this license for any work of which you hold the copyright
+and which you wish to distribute.  This license may be particularly
+suitable if your work is TeX-related (such as a LaTeX package), but
+it is written in such a way that you can use it even if your work is
+unrelated to TeX.
+
+The section `WHETHER AND HOW TO DISTRIBUTE WORKS UNDER THIS LICENSE',
+below, gives instructions, examples, and recommendations for authors
+who are considering distributing their works under this license.
+
+This license gives conditions under which a work may be distributed
+and modified, as well as conditions under which modified versions of
+that work may be distributed.
+
+We, the LaTeX3 Project, believe that the conditions below give you
+the freedom to make and distribute modified versions of your work
+that conform with whatever technical specifications you wish while
+maintaining the availability, integrity, and reliability of
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+
+
+DEFINITIONS
+===========
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+======================================================
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+----------------------------------------
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+  % of this license or (at your option) any later version.
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diff --git a/macros/latex/contrib/biblatex-contrib/biblatex-unified/README.md b/macros/latex/contrib/biblatex-contrib/biblatex-unified/README.md
new file mode 100644
index 0000000000..b4398c0963
--- /dev/null
+++ b/macros/latex/contrib/biblatex-contrib/biblatex-unified/README.md
@@ -0,0 +1,79 @@
+biblatex-unified
+================
+
+`biblatex-unified` is an opinionated biblatex implementation of the [Unified Stylesheet for Linguistics Journal](https://www.linguisticsociety.org/resource/unified-style-sheet). The stylesheet was developed by [CELxJ, the Committee of Editors of Linguistics Journals](https://www.linguisticsociety.org/about/who-we-are/committees/editors-linguistics-journals-celxj). 
+
+The first implementation of the stylesheet for LaTeX was [`sp.bst`](https://raw.githubusercontent.com/semprag/tex/master/sp.cls), developed for the house-style of the journal [*Semantics and Pragmatics*](http://semprag.org) (*S&P*). Bridget Samuels produced a revised version `unified.bst`, which has largely disappeared from the internet.
+
+The current project is a ground-up re-implementation of the unified stylesheet in modern biblatex. It has been used by *S&P* in production for several years.
+
+Please [file an issue at github](https://github.com/semprag/biblatex-sp-unified/issues/new) to let us know of any problems you encounter and any recommendations for improvement.
+
+
+## Sources
+
+The `biblatex-unified` style consists of two files:
+
+* [`unified.bbx`](unified.bbx) -- for formatting the bibliography.
+* [`unified.cbx`](unified.cbx) -- for formatting in-text citations in the style of *S&P*.
+  - Since the Unified Stylesheet does not give any guidelines for in-text citations, this file is optional and users can choose other citation styles, such as the `authoryear-comp` citation style that comes with biblatex.
+
+
+## Requirements and backward compatibility
+
+Compiling LaTeX documents with this style depends on a fairly recent TeX installation that includes biblatex 2.0+. It is tested only with the `biber` backend. TexLive 2019 or later would be ideal.
+
+
+## Installation
+
+Manual installation involves putting the two files `unified.bbx` and `unified.cbx` somewhere where your TeX system can find them. This could be local in the same directory as your tex source file, or in your `TEXMF` "home" directory, or in the system `TEXMF` directories. 
+
+
+## Configuring your `.tex` document to use the style
+
+To use the style in conjunction with *S&P*'s [`sp.cls`](https://raw.githubusercontent.com/semprag/tex/master/sp.cls),
+simply add the `biblatex` class option when importing `sp.cls`:
+
+```latex
+    \documentclass[biblatex]{sp}
+```
+
+If you are not using the *S&P* document class, you can still use this style by adding the following to your preamble (after `\documentclass{...}` but before `\begin{document}`):
+
+```latex
+    \usepackage[backend=biber,
+                style=unified,
+                maxcitenames=3,
+                maxbibnames=99]{biblatex}
+```
+
+If you were previously using `natbib`, remove `\usepackage{natbib}` and any accompanying `\bibliographystyle{...}` and `\bibpunct{...}` settings.
+You might also find it helpful to add `natbib` to the list of options (`\usepackage[..., natbib]{biblatex}`), to load biblatex's `natbib` compatibility module, which implements common `natbib` commands like `\citet`, `\citep`, `\citealt`, `\citealp`, etc.
+
+Whether you're using `sp.cls` or a different document class, you'll need to change the usual BibTeX commands to biblatex, in two places:
+
+1. Replace the `\bibliography{your-bibfile}` line in the backmatter with `\printbibliography`.
+2. Add the following command to your preamble:  
+   `\addbibresource{your-bibfile.bib}`
+   - NB: the `.bib` extension must be included (unlike BibTeX)
+
+## Documentation
+
+The full documentation and implementation notes can be found in [`biblatex-unified.pdf`](biblatex-unified.pdf). The PDF can be regenerated by typesetting the `tex` source file with `xelatex`. The `tex` is actually itself generated from the underlying `md` markdown file via `pandoc` with the following incantation:
+
+```zsh
+pandoc -f markdown -t latex biblatex-unified.md -s\ 
+-o biblatex-unified.tex --highlight-style=kate
+```
+
+## License and copyright
+
+Copyright ©2020 Kai von Fintel. 
+
+This package is author-maintained. Permission is granted to copy, distribute
+and/or modify this software under the terms of the LaTeX Project Public License,
+version 1.3c. 
+
+This software is provided “as is,” without warranty of any kind, either
+expressed or implied, including, but not limited to, the implied warranties of
+merchantability and fitness for a particular purpose.
diff --git a/macros/latex/contrib/biblatex-contrib/biblatex-unified/biblatex-unified.md b/macros/latex/contrib/biblatex-contrib/biblatex-unified/biblatex-unified.md
new file mode 100644
index 0000000000..e9bdf19081
--- /dev/null
+++ b/macros/latex/contrib/biblatex-contrib/biblatex-unified/biblatex-unified.md
@@ -0,0 +1,266 @@
+---
+title: biblatex-unified
+author: Kai von Fintel (fintel@mit.edu)
+date: 2020-05-25
+colorlinks: true
+numbersections: true
+...
+
+# Introduction and Usage
+
+`biblatex-unified` is an opinionated biblatex implementation of the [Unified Stylesheet for Linguistics Journal](https://www.linguisticsociety.org/resource/unified-style-sheet). The stylesheet was developed by [CELxJ, the Committee of Editors of Linguistics Journals](https://www.linguisticsociety.org/about/who-we-are/committees/editors-linguistics-journals-celxj). 
+
+The first implementation of the stylesheet for LaTeX was [`sp.bst`](https://raw.githubusercontent.com/semprag/tex/master/sp.cls), developed for the house-style of the journal [*Semantics and Pragmatics*](http://semprag.org) (*S&P*). Bridget Samuels produced a revised version `unified.bst`, which has largely disappeared from the internet.
+
+The current project is a ground-up re-implementation of the unified stylesheet in modern biblatex. It has been used by *S&P* in production for several years.
+
+Please [file an issue at github](https://github.com/semprag/biblatex-sp-unified/issues/new) to let us know of any problems you encounter and any recommendations for improvement.
+
+
+## Sources
+
+The `biblatex-unified` style consists of two files:
+
+* [`unified.bbx`{.latex}](unified.bbx) -- for formatting the bibliography.
+* [`unified.cbx`{.latex}](unified.cbx) -- for formatting in-text citations in the style of *S&P*.
+  - Since the Unified Stylesheet does not give any guidelines for in-text citations, this file is optional and users can choose other citation styles, such as the `authoryear-comp` citation style that comes with biblatex.
+
+
+## Requirements and backward compatibility
+
+Compiling LaTeX documents with this style depends on a fairly recent TeX installation that includes biblatex 2.0+. It is tested only with the `biber` backend. TexLive 2019 or later would be ideal.
+
+
+## Installation
+
+Manual installation involves putting the two files `unified.bbx` and `unified.cbx` somewhere where your TeX system can find them. This could be local in the same directory as your tex source file, or in your `TEXMF` "home" directory, or in the system `TEXMF` directories. 
+
+
+## Configuring your `.tex` document to use the style
+
+To use the style in conjunction with *S&P*'s [`sp.cls`{.latex}](https://raw.githubusercontent.com/semprag/tex/master/sp.cls),
+simply add the `biblatex` class option when importing `sp.cls`{.latex}:
+
+```latex
+    \documentclass[biblatex]{sp}
+```
+
+If you are not using the *S&P* document class, you can still use this style by adding the following to your preamble (after `\documentclass{...}`{.latex} but before `\begin{document}`{.latex}):
+
+```latex
+    \usepackage[backend=biber,
+                style=unified,
+                maxcitenames=3,
+                maxbibnames=99]{biblatex}
+```
+
+If you were previously using `natbib`{.latex}, remove `\usepackage{natbib}`{.latex} and any accompanying `\bibliographystyle{...}`{.latex} and `\bibpunct{...}`{.latex} settings.
+You might also find it helpful to add `natbib`{.latex} to the list of options (`\usepackage[..., natbib]{biblatex}`{.latex}), to load biblatex's `natbib`{.latex} compatibility module, which implements common `natbib`{.latex} commands like `\citet`{.latex}, `\citep`{.latex}, `\citealt`{.latex}, `\citealp`{.latex}, etc.
+
+Whether you're using `sp.cls` or a different document class, you'll need to change the usual BibTeX commands to biblatex, in two places:
+
+1. Replace the `\bibliography{your-bibfile}`{.latex} line in the backmatter with `\printbibliography`{.latex}.
+2. Add the following command to your preamble:  
+   `\addbibresource{your-bibfile.bib}`{.latex}
+   - NB: the `.bib`{.latex} extension must be included (unlike BibTeX)
+
+
+## Testing
+
+Testing consists of rendering `unified-test.tex`{.latex} (and `unified-test.bib`{.latex}) into a PDF, comparing the result to the sample bibliography in the Unified Stylesheet guidelines.
+
+
+## Producing the documentation
+
+The documentation consists of the `README.md`{.zsh} file and this PDF. The PDF can be regenerated by typesetting the `tex`{.zsh} source file with `xelatex`{.zsh}. The `tex`{.zsh} is actually itself generated from the underlying `md`{.zsh} markdown file via `pandoc`{.zsh} with the following incantation:
+
+```zsh
+pandoc -f markdown -t latex biblatex-unified.md -s\ 
+-o biblatex-unified.tex --highlight-style=kate
+```
+
+# Implementation notes
+
+`biblatex-unified` is meant to implement as fully as possible the [Unified Style Sheet for Linguistics Journals](http://celxj.org/downloads/UnifiedStyleSheet.pdf), which consists of a number of guidelines and thoughts on the formatting of bibliographies, a sample bibliography and some comments on that sample. 
+
+The `biblatex-unified` distribution includes a copy of the Unified Style Sheet and a bib-file that corresponds to the references typeset in the Style Sheet specifications. So, this bib-file can be used to test the implementation of the Style Sheet. We include the source code of the test LaTeX file and the resulting pdf to demonstrate that we have faithfully implemented the Style Sheet, with some minor differences.
+
+When it comes to implementing the guidelines in a LaTeX typesetting environment, most of the guidelines can be implemented in the bibliography style (a bst file for BibTex or a bbx file for biblatex), but there are some points that need to be taken into account earlier in the preparation of the bib file containing the bibliographic details for the references to be listed.
+
+Here is a point by point copy of the Unified Style Sheet guidelines, followed by commentary on our implementation.
+
+>1\. **Superfluous font-styles should be omitted.** Do not use small caps for author/editor names, since they do not help to distinguish these from any other bits of information in the citation. In contrast, italics are worthwhile for distinguishing volume (book, journal, dissertation) titles [+ital] from article and chapter titles [-ital].
+
+>2\. **Superfluous punctuation should be left out.** Once italic is adopted to distinguish volumes from articles/chapters (as above), then single or double quotations around article titles are superfluous and only add visual clutter.
+
+`biblatex-unified`: Article and chapter titles are set in roman font, while titles of books, dissertations, and journals are set in italics. There are no quotation marks around titles.
+
+>3\. **Differing capitalization styles should be used to make category distinctions.** Use capitalization of all lexical words for journal titles and capitalize only the first word (plus proper names and the first word after a colon) for book/dissertation titles and article/chapter titles. This is a useful diagnostic for discriminating between titles that are recurring and those that are not. The journal style for capitalization should also be applied to the title of book series. Thus, the citation of a SNLLT volume would be punctuated: *Objects and other subjects: Grammatical functions, functional categories, and configurationality* (Studies in Natural Language and Linguistic Theory 52).
+
+`biblatex-unified`: Recurring titles (i.e. titles of journals and book series) are set in title case (capitalization of all lexical words), while non-recurring titles (articles, chapters, books, dissertations) are set in sentence case (capitalize only the first word, plus proper names and the first word after a colon).
+
+NB: It is fairly easy to convert a title given in title case into sentence case. But the other way round is quite difficult. `biblatex-unified.bbx` depends on the bib file containing title case for those elements that should be set in title case. For those elements that will be set in sentence case, the bbx file will do the conversion to sentence case. Proper names (and the first word after a colon) need to be protected against that lower casing, so the bib-file should have `{...}` braces around those words. Please note that just putting `{}` around the first letter in words that should be capitalized is bad practice since it prevents proper kerning of the space between the first and second letter. Even worse practice is to "double wrap" a whole title in braces, which prevents any style file from setting the title in the style specified by its formatting philosophy.
+
+NB: It is to be encouraged that titles and subtitles be entered into separate fields in the bib entry. In that case, the bbx file will properly capitalize the first letter of the subtitle. So, the first of the following formats is preferred for use with the unified bbx style (but it has the disadvantage of not necessarily being compatible with other bibliography styles):
+
+Option 1
+
+    title = {Government and Binding Theory and the Minimalist Program},
+    subtitle = {Principles and Parameters in Syntactic Theory},
+
+Option 2
+
+    title = {Government and Binding Theory and the Minimalist Program:  
+            {Principles} and Parameters in Syntactic Theory},
+
+>4\. **All author/editor first names should be spelled out.** Not doing so only serves to make the citation less informative. Without full first names, the 20th century index for Language alone would conflate five different people as ‘J. Smith’, four as ‘J. Harris’, three each under ‘A. Cohen’ and ‘P. Lee’, two each under ‘R. Kent’, ‘J. Anderson’, ‘H. Klein’ and ‘J. Klein’.
+
+`biblatex-unified`: The style does not abbreviate first names. Compliance with the Unified Style depends on the bib-file containing full names for everyone.
+
+>5\. **The ampersand is useful.** Use ampersand to distinguish higher and lower order conjuncts, i.e. [W & X] and [Y & Z], as in Culicover & Wilkins and Koster & May. It is relatively easy to see that reference is made here to two pairs of authors here (cf. Culicover and Wilkins and Koster and May).
+
+`biblatex-unified`: The style uses the ampersand rather than a final "and" in author and editor lists. This is taken care of by `biblatex-unified`.
+
+>6\. **Name repetitions are good.** While using a line ____ may save a little space, or a few characters, it also makes each such citation referentially dependent on an antecedent, and the effort of calculating such antecedents is more than what it saved typographically. Each citation should be internally complete.
+
+`biblatex-unified`: The style does not use a dashed line for repeated authors in the reference list.
+
+>7\. **Four digit year plus period only.** Extra parentheses are visual clutter and superfluous.
+
+`biblatex-unified`: The style complies with the Unified Style Sheet.
+
+>8\. **Commas and periods and other punctuation.** Separate citation components with periods (e.g., Author. Year. Title.) and subcomponents with commas (e.g., Author1, Author2 & Author3). Please note the ampersand (&), rather than the word “and” before the name of the last author, and no comma before the “&”. The use of the colon between title and subtitle and between place and publisher is traditional, but we do not use it between journal volumenumber and pagenumbers.
+
+`biblatex-unified`: The style complies with the Unified Style Sheet.
+
+>9\. **Parentheses around ed. makes sense.** Commas and periods should be used exclusively to separate citation components (e.g., "Author. Year."), or subcomponents (e.g. "author1, author2 & author3). Since "ed." is neither a component nor a subcomponent, but a modifier of a component, it should not be separated from the name by a comma:
+
+>    surname, firstname = author
+>    surname, firstname (ed.). = editor (NOT surname, firstname, ed.)
+>    surname, firstname & firstname surname (eds.) = editors
+
+`biblatex-unified`: The style complies with the Unified Style Sheet.
+
+>10\. **For conference proceedings, working papers, etc.** For conference proceedings published with an ISSN, treat the proceedings as a journal: Include both the full conference name and any commonly used acronym for the conference (BLS, WCCFL, etc.) in the journal title position. For proceedings not published with an ISSN, treat the proceedings as any other book, using the full title as listed on the front cover or title page. If the title (and subtitle if there is one) only includes an acronym for the conference name, expand the acronym in square brackets or parentheses following the acronym. If the title does not include an acronym which is commonly used for the conference name, include the acronym in square brackets or parentheses following the conference name. The advantage of including the acronym after the society title is that it makes the entry much more identifiable in a list of references.
+
+[From the comments by Joseph Salmons:]
+
+>Do not include “proceedings of the” or “papers from the”.
+
+NB: The examples included with the Unified Style Sheet do not include the editors of the CLS proceedings volume. We agree with this practice, since the names of editors of such proceedings are often hard to get hold of.
+
+`biblatex-unified`: These guidelines need to be satisfied in the construction of the bib-file. There are two approaches, one more of a hack than the other:
+
+*Option 1*: Use the `@inproceedings` entry type and include the ISSN of the proceedings when available. Example:
+
+    @inproceedings{casali:1998a,
+        Author = {Casali, Roderic F.},
+        Booktitle = {Chicago Linguistic Society (CLS)},
+        ISSN = {0577-7240},
+        Number = {1},
+        Pages = {55-68},
+        Title = {Predicting {ATR} Activity},
+        Volume = {34},
+        Year = {1998}}
+
+Comment: Following the Unified Style Sheet, we can let the presence of an ISSN control whether an article in conference proceedings is set like a journal article or like a book chapter. To do this, the bib-file needs to contain the ISSN of proceedings where possible. When the ISSN is in the bib-file, `biblatex-unified` will not print it with the entry but it will trigger setting as an article. If there's no ISSN in the entry, `biblatex-unified` will set it as a book chapter. The ISSN can be found through [WorldCat](http://www.worldcat.org) fairly easily. Here's a list of common conference proceedings with their ISSN:
+
+* BLS: 0363-2946
+* CLS: 0577-7240
+* NELS: 0883-5500
+* SALT: 2163-5951
+* WCCFL: 1042-1068
+
+*Option 2*: Another option, less portable and definitely a hack, is to use the `@article` entry type, putting the conference name (and the acronym in parentheses; no need to case protect the acronym, since journal titles are set as is) in the `journal` field, and do not list the editors. Example:
+
+    @article{casali:1998b,
+        Author = {Casali, Roderic F.},
+        Journal = {Chicago Linguistic Society (CLS)},
+        Number = {1},
+        Pages = {55-68},
+        Title = {Predicting {ATR} Activity},
+        Volume = {34},
+        Year = {1998}}
+
+>11\. **Use “edn.” as an abbreviation for “edition”, thus “2nd edn.”.** This avoids ambiguity and confusion with “ed.” (editor).
+
+`biblatex-unified`: The style complies with the Unified Style Sheet.
+
+>12\. **Names with “von”, “van”, “de”, etc.** If the "van" (or the "de" or other patronymic) is lower case and separated from the rest by a space (e.g. Elly van Gelderen), then alphabetize by the first upper-case element:
+
+>    `Gelderen, Elly van`
+
+>The addition of "see ..." in comprehensive indices and lists might be helpful for clarification:
+
+>    `van Gelderen, Elly (see Gelderen)`
+
+`biblatex-unified`: This is a point where we depart from the Unified Style Sheet. If the "van" (or the "de" or other patronymic) is lower case and separated from the rest by a space (e.g. Elly van Gelderen), then alphabetize by the first upper-case element **but display the particle as part of the last name in its usual position**:
+
+    `van Gelderen, Elly [alphabetized under "G"]`
+
+NB: biblatex-unified is the only biblatex style that we know of that implements this practice (it took some hacking to make this possible). There is no need to do anything in the bib-file to ensure proper treatment of "von" etc.
+
+>13\. **Names with “Jr.”, “IV.”, etc.** Following library practice, list elements such as “Jr.” as a subelement after names, separated by a comma.
+
+`biblatex-unified`: The style complies with the Unified Style Sheet.
+
+>14\. **Use “In” to designate chapters in collections.** This makes the book's format maximally similar to the standard citation format. This, in turn, would be time-saving when the author or the editor notice that more than one article is cited from a given collection and hence that that book’s details should be set out as a separate entry in the references (and the full details deleted from the articles’ entries).
+    author. year. chaptertitle. In editorname (ed.), collectiontitle, pagenumbers. publisher.
+
+`biblatex-unified`: The style complies with the Unified Style Sheet.
+
+>15\. **Journal volume numbers.** We favor: volumenumber(volumeissue). startingpage--endingpage. Thus: 22(1). 135-169. Note the space between volume number/issue and page numbers. Special formatting (e.g., bold for volume number) is superfluous. Issue numbers are a parenthetical modifier (cf. "ed." above) of the volume number. While it is not NECESSARY information for identifying the article, it is extremely USEFUL information.
+
+`biblatex-unified`: The style complies with the Unified Style Sheet. Providing issue numbers is a guideline for the preparation of the bib-file.
+
+>16\. **Dissertations/theses.** These conform to the already-widespread Place: Publisher format and fit readily into the rest of the standard: Cambridge, MA: MIT dissertation. Instead of archaic state abbreviations, use the official two-letter postal abbreviations. Note that national and other traditions vary in exactly what is labeled ‘thesis’ versus ‘dissertation’ and in distinguishing ‘PhD’ from ‘doctoral’ dissertations.
+    Cambridge, MA: MIT dissertation.
+    Chapel Hill: UNC MA thesis.
+
+`biblatex-unified`: The style complies with the Unified Style Sheet. Using the two-letter postal abbreviations is something that needs to be taken care of during the preparation of the bib-file.
+
+>17\. **On-line materials.** The basic information here -- author, date, title -- remains the same, and the URL where the resource was found takes the place of publisher or journal. We urge authors to include the date the material was accessed, in parentheses after the URL, since new versions often replace old ones. For a .pdf file, this would be the date of downloading, but for a resource like an on-line dictionary consulted repeatedly, a range of dates may be needed. For additional discussion of handling online citations, authors may want to consult this guide:
+
+>    Walker, Janice R. & Todd Taylor. 1998. The Columbia Guide to Online Style. New York: Columbia University Press.
+
+`biblatex-unified`: We take it that this does not refer to material that has officially been published online, in which case permanent document identifiers such as DOIs and the like will take care of the linking requirements. Rather, we are assuming this refers to "unpublished" material available online (on author's homepages or repositories such as the Semantics Archive or LingBuzz). In this case, just use the `@unpublished` entry-type, give the URL in the `url = {}` field, and if deemed necessary include the date the material was accessed by adding an `urldate = {}` field. The date should be given in YYYY-MM-DD format, e.g. `urldate = {2013-08-11}`. The style will then add the date in parentheses, formatted to the style sheet's rather odd format.
+
+
+# Departures from the Unified Style Sheet
+
+We already mentioned our one major disagreement with the Unified Style Sheet: the incorrect treatment of the "von" part of names.
+
+We depart from the style sheet only in a few other places. These are actually only departures from the example formatting given and do not pertain to any explicit guidelines.
+
+1. The acronym "CLS" given in parentheses after "Chicago Linguistic Society" in the Casali 1986 entry is not given in italics in the example. Since it is part of the "journal title" field, `biblatex-unified` will typeset it in italics.
+2. The example URLs have a period inside the parentheses around the URL access date. We have relocated this period to outside the parentheses.
+3. In the one case of an online journal article, the Pedersen 2005 entry, the example has a comma between the journal + volume and the URL. We think that this is analogous to the break between journal + volume(issue) and page numbers, and so it should be a period instead of a comma. That is what `biblatex-unified` does.
+4. There is a period between the URL and the URL access date (which is in parentheses). We do not think that this period should be there. `biblatex-unified` has a space.
+
+
+# Guidelines for the preparation of bib files
+
+For convenience, we repeat the best practices for preparing your bib file for use with `biblatex-unified`.
+
+1. Any words in the titles of articles, books, dissertations that should not be lowercased (other than the first word) have to be protected by {} brackets around that word (not just around the first letter of the word and never double wrap the entire title!). This includes the first word after a subtitle colon (unless the subtitle field is used instead).
+2. Give full first names for all authors and editors (all persons listed in the bib file).
+3. For conference proceedings, working papers, etc. For conference proceedings published with an ISSN, treat the proceedings as a journal: Include both the full conference name and any commonly used acronym for the conference (BLS, WCCFL, etc.) in the journal title position. Do not include the editors in the bib-file. For proceedings not published with an ISSN, treat the proceedings as any other book, using the full title as listed on the front cover or title page. If the title (and subtitle if there is one) only includes an acronym for the conference name, expand the acronym in square brackets or parentheses following the acronym. If the title does not include an acronym which is commonly used for the conference name, include the acronym in square brackets or parentheses following the conference name. The advantage of including the acronym after the society title is that it makes the entry much more identifiable in a list of references. Do not include “proceedings of the” or “papers from the”.
+4. For on-line materials, you can give the date the resource was accessed. Use the `urldate` field for this purpose and give the date in the YYYY-MM-DD format, e.g. `2013-08-11`.
+5. Use two-letter postal abbreviations for all US cities.
+
+
+# License and copyright
+
+Copyright ©2020 Kai von Fintel. 
+
+This package is author-maintained. Permission is granted to copy, distribute
+and/or modify this software under the terms of the LaTeX Project Public License,
+version 1.3c. 
+
+This software is provided “as is,” without warranty of any kind, either
+expressed or implied, including, but not limited to, the implied warranties of
+merchantability and fitness for a particular purpose.
+
+# Changelog and release notes
+
+**v1.00 (2020-05-25)** Initial CTAN release.
diff --git a/macros/latex/contrib/biblatex-contrib/biblatex-unified/biblatex-unified.pdf b/macros/latex/contrib/biblatex-contrib/biblatex-unified/biblatex-unified.pdf
new file mode 100644
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diff --git a/macros/latex/contrib/biblatex-contrib/biblatex-unified/biblatex-unified.tex b/macros/latex/contrib/biblatex-contrib/biblatex-unified/biblatex-unified.tex
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@@ -0,0 +1,752 @@
+% Options for packages loaded elsewhere
+\PassOptionsToPackage{unicode}{hyperref}
+\PassOptionsToPackage{hyphens}{url}
+\PassOptionsToPackage{dvipsnames,svgnames*,x11names*}{xcolor}
+%
+\documentclass[
+]{article}
+\usepackage{lmodern}
+\usepackage{amssymb,amsmath}
+\usepackage{ifxetex,ifluatex}
+\ifnum 0\ifxetex 1\fi\ifluatex 1\fi=0 % if pdftex
+  \usepackage[T1]{fontenc}
+  \usepackage[utf8]{inputenc}
+  \usepackage{textcomp} % provide euro and other symbols
+\else % if luatex or xetex
+  \usepackage{unicode-math}
+  \defaultfontfeatures{Scale=MatchLowercase}
+  \defaultfontfeatures[\rmfamily]{Ligatures=TeX,Scale=1}
+\fi
+% Use upquote if available, for straight quotes in verbatim environments
+\IfFileExists{upquote.sty}{\usepackage{upquote}}{}
+\IfFileExists{microtype.sty}{% use microtype if available
+  \usepackage[]{microtype}
+  \UseMicrotypeSet[protrusion]{basicmath} % disable protrusion for tt fonts
+}{}
+\makeatletter
+\@ifundefined{KOMAClassName}{% if non-KOMA class
+  \IfFileExists{parskip.sty}{%
+    \usepackage{parskip}
+  }{% else
+    \setlength{\parindent}{0pt}
+    \setlength{\parskip}{6pt plus 2pt minus 1pt}}
+}{% if KOMA class
+  \KOMAoptions{parskip=half}}
+\makeatother
+\usepackage{xcolor}
+\IfFileExists{xurl.sty}{\usepackage{xurl}}{} % add URL line breaks if available
+\IfFileExists{bookmark.sty}{\usepackage{bookmark}}{\usepackage{hyperref}}
+\hypersetup{
+  pdftitle={biblatex-unified},
+  pdfauthor={Kai von Fintel (fintel@mit.edu)},
+  colorlinks=true,
+  linkcolor=Maroon,
+  filecolor=Maroon,
+  citecolor=Blue,
+  urlcolor=Blue,
+  pdfcreator={LaTeX via pandoc}}
+\urlstyle{same} % disable monospaced font for URLs
+\usepackage{color}
+\usepackage{fancyvrb}
+\newcommand{\VerbBar}{|}
+\newcommand{\VERB}{\Verb[commandchars=\\\{\}]}
+\DefineVerbatimEnvironment{Highlighting}{Verbatim}{commandchars=\\\{\}}
+% Add ',fontsize=\small' for more characters per line
+\usepackage{framed}
+\definecolor{shadecolor}{RGB}{255,255,255}
+\newenvironment{Shaded}{\begin{snugshade}}{\end{snugshade}}
+\newcommand{\AlertTok}[1]{\textcolor[rgb]{0.75,0.01,0.01}{\textbf{\colorbox[rgb]{0.97,0.90,0.90}{#1}}}}
+\newcommand{\AnnotationTok}[1]{\textcolor[rgb]{0.79,0.38,0.79}{#1}}
+\newcommand{\AttributeTok}[1]{\textcolor[rgb]{0.00,0.34,0.68}{#1}}
+\newcommand{\BaseNTok}[1]{\textcolor[rgb]{0.69,0.50,0.00}{#1}}
+\newcommand{\BuiltInTok}[1]{\textcolor[rgb]{0.39,0.29,0.61}{\textbf{#1}}}
+\newcommand{\CharTok}[1]{\textcolor[rgb]{0.57,0.30,0.62}{#1}}
+\newcommand{\CommentTok}[1]{\textcolor[rgb]{0.54,0.53,0.53}{#1}}
+\newcommand{\CommentVarTok}[1]{\textcolor[rgb]{0.00,0.58,1.00}{#1}}
+\newcommand{\ConstantTok}[1]{\textcolor[rgb]{0.67,0.33,0.00}{#1}}
+\newcommand{\ControlFlowTok}[1]{\textcolor[rgb]{0.12,0.11,0.11}{\textbf{#1}}}
+\newcommand{\DataTypeTok}[1]{\textcolor[rgb]{0.00,0.34,0.68}{#1}}
+\newcommand{\DecValTok}[1]{\textcolor[rgb]{0.69,0.50,0.00}{#1}}
+\newcommand{\DocumentationTok}[1]{\textcolor[rgb]{0.38,0.47,0.50}{#1}}
+\newcommand{\ErrorTok}[1]{\textcolor[rgb]{0.75,0.01,0.01}{\underline{#1}}}
+\newcommand{\ExtensionTok}[1]{\textcolor[rgb]{0.00,0.58,1.00}{\textbf{#1}}}
+\newcommand{\FloatTok}[1]{\textcolor[rgb]{0.69,0.50,0.00}{#1}}
+\newcommand{\FunctionTok}[1]{\textcolor[rgb]{0.39,0.29,0.61}{#1}}
+\newcommand{\ImportTok}[1]{\textcolor[rgb]{1.00,0.33,0.00}{#1}}
+\newcommand{\InformationTok}[1]{\textcolor[rgb]{0.69,0.50,0.00}{#1}}
+\newcommand{\KeywordTok}[1]{\textcolor[rgb]{0.12,0.11,0.11}{\textbf{#1}}}
+\newcommand{\NormalTok}[1]{\textcolor[rgb]{0.12,0.11,0.11}{#1}}
+\newcommand{\OperatorTok}[1]{\textcolor[rgb]{0.12,0.11,0.11}{#1}}
+\newcommand{\OtherTok}[1]{\textcolor[rgb]{0.00,0.43,0.16}{#1}}
+\newcommand{\PreprocessorTok}[1]{\textcolor[rgb]{0.00,0.43,0.16}{#1}}
+\newcommand{\RegionMarkerTok}[1]{\textcolor[rgb]{0.00,0.34,0.68}{\colorbox[rgb]{0.88,0.91,0.97}{#1}}}
+\newcommand{\SpecialCharTok}[1]{\textcolor[rgb]{0.24,0.68,0.91}{#1}}
+\newcommand{\SpecialStringTok}[1]{\textcolor[rgb]{1.00,0.33,0.00}{#1}}
+\newcommand{\StringTok}[1]{\textcolor[rgb]{0.75,0.01,0.01}{#1}}
+\newcommand{\VariableTok}[1]{\textcolor[rgb]{0.00,0.34,0.68}{#1}}
+\newcommand{\VerbatimStringTok}[1]{\textcolor[rgb]{0.75,0.01,0.01}{#1}}
+\newcommand{\WarningTok}[1]{\textcolor[rgb]{0.75,0.01,0.01}{#1}}
+\setlength{\emergencystretch}{3em} % prevent overfull lines
+\providecommand{\tightlist}{%
+  \setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}}
+\setcounter{secnumdepth}{5}
+
+\title{biblatex-unified}
+\author{Kai von Fintel (fintel@mit.edu)}
+\date{2020-05-25}
+
+\begin{document}
+\maketitle
+
+\hypertarget{introduction-and-usage}{%
+\section{Introduction and Usage}\label{introduction-and-usage}}
+
+\texttt{biblatex-unified} is an opinionated biblatex implementation of
+the
+\href{https://www.linguisticsociety.org/resource/unified-style-sheet}{Unified
+Stylesheet for Linguistics Journal}. The stylesheet was developed by
+\href{https://www.linguisticsociety.org/about/who-we-are/committees/editors-linguistics-journals-celxj}{CELxJ,
+the Committee of Editors of Linguistics Journals}.
+
+The first implementation of the stylesheet for LaTeX was
+\href{https://raw.githubusercontent.com/semprag/tex/master/sp.cls}{\texttt{sp.bst}},
+developed for the house-style of the journal
+\href{http://semprag.org}{\emph{Semantics and Pragmatics}}
+(\emph{S\&P}). Bridget Samuels produced a revised version
+\texttt{unified.bst}, which has largely disappeared from the internet.
+
+The current project is a ground-up re-implementation of the unified
+stylesheet in modern biblatex. It has been used by \emph{S\&P} in
+production for several years.
+
+Please
+\href{https://github.com/semprag/biblatex-sp-unified/issues/new}{file an
+issue at github} to let us know of any problems you encounter and any
+recommendations for improvement.
+
+\hypertarget{sources}{%
+\subsection{Sources}\label{sources}}
+
+The \texttt{biblatex-unified} style consists of two files:
+
+\begin{itemize}
+\tightlist
+\item
+  \href{unified.bbx}{\VERB|\NormalTok{unified.bbx}|} -- for formatting
+  the bibliography.
+\item
+  \href{unified.cbx}{\VERB|\NormalTok{unified.cbx}|} -- for formatting
+  in-text citations in the style of \emph{S\&P}.
+
+  \begin{itemize}
+  \tightlist
+  \item
+    Since the Unified Stylesheet does not give any guidelines for
+    in-text citations, this file is optional and users can choose other
+    citation styles, such as the \texttt{authoryear-comp} citation style
+    that comes with biblatex.
+  \end{itemize}
+\end{itemize}
+
+\hypertarget{requirements-and-backward-compatibility}{%
+\subsection{Requirements and backward
+compatibility}\label{requirements-and-backward-compatibility}}
+
+Compiling LaTeX documents with this style depends on a fairly recent TeX
+installation that includes biblatex 2.0+. It is tested only with the
+\texttt{biber} backend. TexLive 2019 or later would be ideal.
+
+\hypertarget{installation}{%
+\subsection{Installation}\label{installation}}
+
+Manual installation involves putting the two files \texttt{unified.bbx}
+and \texttt{unified.cbx} somewhere where your TeX system can find them.
+This could be local in the same directory as your tex source file, or in
+your \texttt{TEXMF} ``home'' directory, or in the system \texttt{TEXMF}
+directories.
+
+\hypertarget{configuring-your-.tex-document-to-use-the-style}{%
+\subsection{\texorpdfstring{Configuring your \texttt{.tex} document to
+use the
+style}{Configuring your .tex document to use the style}}\label{configuring-your-.tex-document-to-use-the-style}}
+
+To use the style in conjunction with \emph{S\&P}'s
+\href{https://raw.githubusercontent.com/semprag/tex/master/sp.cls}{\VERB|\NormalTok{sp.cls}|},
+simply add the \texttt{biblatex} class option when importing
+\VERB|\NormalTok{sp.cls}|:
+
+\begin{Shaded}
+\begin{Highlighting}[]
+    \BuiltInTok{\textbackslash{}documentclass}\NormalTok{[biblatex]\{}\ExtensionTok{sp}\NormalTok{\}}
+\end{Highlighting}
+\end{Shaded}
+
+If you are not using the \emph{S\&P} document class, you can still use
+this style by adding the following to your preamble (after
+\VERB|\BuiltInTok{\textbackslash{}documentclass}\NormalTok{\{}\ExtensionTok{...}\NormalTok{\}}|
+but before
+\VERB|\KeywordTok{\textbackslash{}begin}\NormalTok{\{}\ExtensionTok{document}\NormalTok{\}}|):
+
+\begin{Shaded}
+\begin{Highlighting}[]
+    \BuiltInTok{\textbackslash{}usepackage}\NormalTok{[backend=biber,}
+\NormalTok{                style=unified,}
+\NormalTok{                maxcitenames=3,}
+\NormalTok{                maxbibnames=99]\{}\ExtensionTok{biblatex}\NormalTok{\}}
+\end{Highlighting}
+\end{Shaded}
+
+If you were previously using \VERB|\NormalTok{natbib}|, remove
+\VERB|\BuiltInTok{\textbackslash{}usepackage}\NormalTok{\{}\ExtensionTok{natbib}\NormalTok{\}}|
+and any accompanying
+\VERB|\BuiltInTok{\textbackslash{}bibliographystyle}\NormalTok{\{}\ExtensionTok{...}\NormalTok{\}}|
+and \VERB|\FunctionTok{\textbackslash{}bibpunct}\NormalTok{\{...\}}|
+settings. You might also find it helpful to add
+\VERB|\NormalTok{natbib}| to the list of options
+(\VERB|\BuiltInTok{\textbackslash{}usepackage}\NormalTok{[..., natbib]\{}\ExtensionTok{biblatex}\NormalTok{\}}|),
+to load biblatex's \VERB|\NormalTok{natbib}| compatibility module, which
+implements common \VERB|\NormalTok{natbib}| commands like
+\VERB|\KeywordTok{\textbackslash{}citet}|,
+\VERB|\KeywordTok{\textbackslash{}citep}|,
+\VERB|\FunctionTok{\textbackslash{}citealt}|,
+\VERB|\FunctionTok{\textbackslash{}citealp}|, etc.
+
+Whether you're using \texttt{sp.cls} or a different document class,
+you'll need to change the usual BibTeX commands to biblatex, in two
+places:
+
+\begin{enumerate}
+\def\labelenumi{\arabic{enumi}.}
+\tightlist
+\item
+  Replace the
+  \VERB|\BuiltInTok{\textbackslash{}bibliography}\NormalTok{\{}\ExtensionTok{your{-}bibfile}\NormalTok{\}}|
+  line in the backmatter with
+  \VERB|\FunctionTok{\textbackslash{}printbibliography}|.
+\item
+  Add the following command to your preamble:\\
+  \VERB|\FunctionTok{\textbackslash{}addbibresource}\NormalTok{\{your{-}bibfile.bib\}}|
+
+  \begin{itemize}
+  \tightlist
+  \item
+    NB: the \VERB|\NormalTok{.bib}| extension must be included (unlike
+    BibTeX)
+  \end{itemize}
+\end{enumerate}
+
+\hypertarget{testing}{%
+\subsection{Testing}\label{testing}}
+
+Testing consists of rendering \VERB|\NormalTok{unified{-}test.tex}| (and
+\VERB|\NormalTok{unified{-}test.bib}|) into a PDF, comparing the result
+to the sample bibliography in the Unified Stylesheet guidelines.
+
+\hypertarget{producing-the-documentation}{%
+\subsection{Producing the
+documentation}\label{producing-the-documentation}}
+
+The documentation consists of the \VERB|\NormalTok{README.md}| file and
+this PDF. The PDF can be regenerated by typesetting the
+\VERB|\NormalTok{tex}| source file with \VERB|\NormalTok{xelatex}|. The
+\VERB|\NormalTok{tex}| is actually itself generated from the underlying
+\VERB|\NormalTok{md}| markdown file via \VERB|\NormalTok{pandoc}| with
+the following incantation:
+
+\begin{Shaded}
+\begin{Highlighting}[]
+\NormalTok{pandoc {-}f markdown {-}t latex biblatex{-}unified.md {-}s}\DataTypeTok{\textbackslash{} }
+\NormalTok{{-}o biblatex{-}unified.tex {-}{-}highlight{-}style=kate}
+\end{Highlighting}
+\end{Shaded}
+
+\hypertarget{implementation-notes}{%
+\section{Implementation notes}\label{implementation-notes}}
+
+\texttt{biblatex-unified} is meant to implement as fully as possible the
+\href{http://celxj.org/downloads/UnifiedStyleSheet.pdf}{Unified Style
+Sheet for Linguistics Journals}, which consists of a number of
+guidelines and thoughts on the formatting of bibliographies, a sample
+bibliography and some comments on that sample.
+
+The \texttt{biblatex-unified} distribution includes a copy of the
+Unified Style Sheet and a bib-file that corresponds to the references
+typeset in the Style Sheet specifications. So, this bib-file can be used
+to test the implementation of the Style Sheet. We include the source
+code of the test LaTeX file and the resulting pdf to demonstrate that we
+have faithfully implemented the Style Sheet, with some minor
+differences.
+
+When it comes to implementing the guidelines in a LaTeX typesetting
+environment, most of the guidelines can be implemented in the
+bibliography style (a bst file for BibTex or a bbx file for biblatex),
+but there are some points that need to be taken into account earlier in
+the preparation of the bib file containing the bibliographic details for
+the references to be listed.
+
+Here is a point by point copy of the Unified Style Sheet guidelines,
+followed by commentary on our implementation.
+
+\begin{quote}
+1. \textbf{Superfluous font-styles should be omitted.} Do not use small
+caps for author/editor names, since they do not help to distinguish
+these from any other bits of information in the citation. In contrast,
+italics are worthwhile for distinguishing volume (book, journal,
+dissertation) titles {[}+ital{]} from article and chapter titles
+{[}-ital{]}.
+\end{quote}
+
+\begin{quote}
+2. \textbf{Superfluous punctuation should be left out.} Once italic is
+adopted to distinguish volumes from articles/chapters (as above), then
+single or double quotations around article titles are superfluous and
+only add visual clutter.
+\end{quote}
+
+\texttt{biblatex-unified}: Article and chapter titles are set in roman
+font, while titles of books, dissertations, and journals are set in
+italics. There are no quotation marks around titles.
+
+\begin{quote}
+3. \textbf{Differing capitalization styles should be used to make
+category distinctions.} Use capitalization of all lexical words for
+journal titles and capitalize only the first word (plus proper names and
+the first word after a colon) for book/dissertation titles and
+article/chapter titles. This is a useful diagnostic for discriminating
+between titles that are recurring and those that are not. The journal
+style for capitalization should also be applied to the title of book
+series. Thus, the citation of a SNLLT volume would be punctuated:
+\emph{Objects and other subjects: Grammatical functions, functional
+categories, and configurationality} (Studies in Natural Language and
+Linguistic Theory 52).
+\end{quote}
+
+\texttt{biblatex-unified}: Recurring titles (i.e.~titles of journals and
+book series) are set in title case (capitalization of all lexical
+words), while non-recurring titles (articles, chapters, books,
+dissertations) are set in sentence case (capitalize only the first word,
+plus proper names and the first word after a colon).
+
+NB: It is fairly easy to convert a title given in title case into
+sentence case. But the other way round is quite difficult.
+\texttt{biblatex-unified.bbx} depends on the bib file containing title
+case for those elements that should be set in title case. For those
+elements that will be set in sentence case, the bbx file will do the
+conversion to sentence case. Proper names (and the first word after a
+colon) need to be protected against that lower casing, so the bib-file
+should have \texttt{\{...\}} braces around those words. Please note that
+just putting \texttt{\{\}} around the first letter in words that should
+be capitalized is bad practice since it prevents proper kerning of the
+space between the first and second letter. Even worse practice is to
+``double wrap'' a whole title in braces, which prevents any style file
+from setting the title in the style specified by its formatting
+philosophy.
+
+NB: It is to be encouraged that titles and subtitles be entered into
+separate fields in the bib entry. In that case, the bbx file will
+properly capitalize the first letter of the subtitle. So, the first of
+the following formats is preferred for use with the unified bbx style
+(but it has the disadvantage of not necessarily being compatible with
+other bibliography styles):
+
+Option 1
+
+\begin{verbatim}
+title = {Government and Binding Theory and the Minimalist Program},
+subtitle = {Principles and Parameters in Syntactic Theory},
+\end{verbatim}
+
+Option 2
+
+\begin{verbatim}
+title = {Government and Binding Theory and the Minimalist Program:  
+        {Principles} and Parameters in Syntactic Theory},
+\end{verbatim}
+
+\begin{quote}
+4. \textbf{All author/editor first names should be spelled out.} Not
+doing so only serves to make the citation less informative. Without full
+first names, the 20th century index for Language alone would conflate
+five different people as `J. Smith', four as `J. Harris', three each
+under `A. Cohen' and `P. Lee', two each under `R. Kent', `J. Anderson',
+`H. Klein' and `J. Klein'.
+\end{quote}
+
+\texttt{biblatex-unified}: The style does not abbreviate first names.
+Compliance with the Unified Style depends on the bib-file containing
+full names for everyone.
+
+\begin{quote}
+5. \textbf{The ampersand is useful.} Use ampersand to distinguish higher
+and lower order conjuncts, i.e.~{[}W \& X{]} and {[}Y \& Z{]}, as in
+Culicover \& Wilkins and Koster \& May. It is relatively easy to see
+that reference is made here to two pairs of authors here (cf.~Culicover
+and Wilkins and Koster and May).
+\end{quote}
+
+\texttt{biblatex-unified}: The style uses the ampersand rather than a
+final ``and'' in author and editor lists. This is taken care of by
+\texttt{biblatex-unified}.
+
+\begin{quote}
+6. \textbf{Name repetitions are good.} While using a line \_\_\_\_ may
+save a little space, or a few characters, it also makes each such
+citation referentially dependent on an antecedent, and the effort of
+calculating such antecedents is more than what it saved typographically.
+Each citation should be internally complete.
+\end{quote}
+
+\texttt{biblatex-unified}: The style does not use a dashed line for
+repeated authors in the reference list.
+
+\begin{quote}
+7. \textbf{Four digit year plus period only.} Extra parentheses are
+visual clutter and superfluous.
+\end{quote}
+
+\texttt{biblatex-unified}: The style complies with the Unified Style
+Sheet.
+
+\begin{quote}
+8. \textbf{Commas and periods and other punctuation.} Separate citation
+components with periods (e.g., Author. Year. Title.) and subcomponents
+with commas (e.g., Author1, Author2 \& Author3). Please note the
+ampersand (\&), rather than the word ``and'' before the name of the last
+author, and no comma before the ``\&''. The use of the colon between
+title and subtitle and between place and publisher is traditional, but
+we do not use it between journal volumenumber and pagenumbers.
+\end{quote}
+
+\texttt{biblatex-unified}: The style complies with the Unified Style
+Sheet.
+
+\begin{quote}
+9. \textbf{Parentheses around ed.~makes sense.} Commas and periods
+should be used exclusively to separate citation components (e.g.,
+``Author. Year.''), or subcomponents (e.g.~``author1, author2 \&
+author3). Since''ed." is neither a component nor a subcomponent, but a
+modifier of a component, it should not be separated from the name by a
+comma:
+\end{quote}
+
+\begin{quote}
+surname, firstname = author surname, firstname (ed.). = editor (NOT
+surname, firstname, ed.) surname, firstname \& firstname surname (eds.)
+= editors
+\end{quote}
+
+\texttt{biblatex-unified}: The style complies with the Unified Style
+Sheet.
+
+\begin{quote}
+10. \textbf{For conference proceedings, working papers, etc.} For
+conference proceedings published with an ISSN, treat the proceedings as
+a journal: Include both the full conference name and any commonly used
+acronym for the conference (BLS, WCCFL, etc.) in the journal title
+position. For proceedings not published with an ISSN, treat the
+proceedings as any other book, using the full title as listed on the
+front cover or title page. If the title (and subtitle if there is one)
+only includes an acronym for the conference name, expand the acronym in
+square brackets or parentheses following the acronym. If the title does
+not include an acronym which is commonly used for the conference name,
+include the acronym in square brackets or parentheses following the
+conference name. The advantage of including the acronym after the
+society title is that it makes the entry much more identifiable in a
+list of references.
+\end{quote}
+
+{[}From the comments by Joseph Salmons:{]}
+
+\begin{quote}
+Do not include ``proceedings of the'' or ``papers from the''.
+\end{quote}
+
+NB: The examples included with the Unified Style Sheet do not include
+the editors of the CLS proceedings volume. We agree with this practice,
+since the names of editors of such proceedings are often hard to get
+hold of.
+
+\texttt{biblatex-unified}: These guidelines need to be satisfied in the
+construction of the bib-file. There are two approaches, one more of a
+hack than the other:
+
+\emph{Option 1}: Use the \texttt{@inproceedings} entry type and include
+the ISSN of the proceedings when available. Example:
+
+\begin{verbatim}
+@inproceedings{casali:1998a,
+    Author = {Casali, Roderic F.},
+    Booktitle = {Chicago Linguistic Society (CLS)},
+    ISSN = {0577-7240},
+    Number = {1},
+    Pages = {55-68},
+    Title = {Predicting {ATR} Activity},
+    Volume = {34},
+    Year = {1998}}
+\end{verbatim}
+
+Comment: Following the Unified Style Sheet, we can let the presence of
+an ISSN control whether an article in conference proceedings is set like
+a journal article or like a book chapter. To do this, the bib-file needs
+to contain the ISSN of proceedings where possible. When the ISSN is in
+the bib-file, \texttt{biblatex-unified} will not print it with the entry
+but it will trigger setting as an article. If there's no ISSN in the
+entry, \texttt{biblatex-unified} will set it as a book chapter. The ISSN
+can be found through \href{http://www.worldcat.org}{WorldCat} fairly
+easily. Here's a list of common conference proceedings with their ISSN:
+
+\begin{itemize}
+\tightlist
+\item
+  BLS: 0363-2946
+\item
+  CLS: 0577-7240
+\item
+  NELS: 0883-5500
+\item
+  SALT: 2163-5951
+\item
+  WCCFL: 1042-1068
+\end{itemize}
+
+\emph{Option 2}: Another option, less portable and definitely a hack, is
+to use the \texttt{@article} entry type, putting the conference name
+(and the acronym in parentheses; no need to case protect the acronym,
+since journal titles are set as is) in the \texttt{journal} field, and
+do not list the editors. Example:
+
+\begin{verbatim}
+@article{casali:1998b,
+    Author = {Casali, Roderic F.},
+    Journal = {Chicago Linguistic Society (CLS)},
+    Number = {1},
+    Pages = {55-68},
+    Title = {Predicting {ATR} Activity},
+    Volume = {34},
+    Year = {1998}}
+\end{verbatim}
+
+\begin{quote}
+11. \textbf{Use ``edn.'' as an abbreviation for ``edition'', thus ``2nd
+edn.''.} This avoids ambiguity and confusion with ``ed.'' (editor).
+\end{quote}
+
+\texttt{biblatex-unified}: The style complies with the Unified Style
+Sheet.
+
+\begin{quote}
+12. \textbf{Names with ``von'', ``van'', ``de'', etc.} If the ``van''
+(or the ``de'' or other patronymic) is lower case and separated from the
+rest by a space (e.g.~Elly van Gelderen), then alphabetize by the first
+upper-case element:
+\end{quote}
+
+\begin{quote}
+\texttt{Gelderen,\ Elly\ van}
+\end{quote}
+
+\begin{quote}
+The addition of ``see \ldots{}'' in comprehensive indices and lists
+might be helpful for clarification:
+\end{quote}
+
+\begin{quote}
+\texttt{van\ Gelderen,\ Elly\ (see\ Gelderen)}
+\end{quote}
+
+\texttt{biblatex-unified}: This is a point where we depart from the
+Unified Style Sheet. If the ``van'' (or the ``de'' or other patronymic)
+is lower case and separated from the rest by a space (e.g.~Elly van
+Gelderen), then alphabetize by the first upper-case element \textbf{but
+display the particle as part of the last name in its usual position}:
+
+\begin{verbatim}
+`van Gelderen, Elly [alphabetized under "G"]`
+\end{verbatim}
+
+NB: biblatex-unified is the only biblatex style that we know of that
+implements this practice (it took some hacking to make this possible).
+There is no need to do anything in the bib-file to ensure proper
+treatment of ``von'' etc.
+
+\begin{quote}
+13. \textbf{Names with ``Jr.'', ``IV.'', etc.} Following library
+practice, list elements such as ``Jr.'' as a subelement after names,
+separated by a comma.
+\end{quote}
+
+\texttt{biblatex-unified}: The style complies with the Unified Style
+Sheet.
+
+\begin{quote}
+14. \textbf{Use ``In'' to designate chapters in collections.} This makes
+the book's format maximally similar to the standard citation format.
+This, in turn, would be time-saving when the author or the editor notice
+that more than one article is cited from a given collection and hence
+that that book's details should be set out as a separate entry in the
+references (and the full details deleted from the articles' entries).
+author. year. chaptertitle. In editorname (ed.), collectiontitle,
+pagenumbers. publisher.
+\end{quote}
+
+\texttt{biblatex-unified}: The style complies with the Unified Style
+Sheet.
+
+\begin{quote}
+15. \textbf{Journal volume numbers.} We favor:
+volumenumber(volumeissue). startingpage--endingpage. Thus: 22(1).
+135-169. Note the space between volume number/issue and page numbers.
+Special formatting (e.g., bold for volume number) is superfluous. Issue
+numbers are a parenthetical modifier (cf.~``ed.'' above) of the volume
+number. While it is not NECESSARY information for identifying the
+article, it is extremely USEFUL information.
+\end{quote}
+
+\texttt{biblatex-unified}: The style complies with the Unified Style
+Sheet. Providing issue numbers is a guideline for the preparation of the
+bib-file.
+
+\begin{quote}
+16. \textbf{Dissertations/theses.} These conform to the
+already-widespread Place: Publisher format and fit readily into the rest
+of the standard: Cambridge, MA: MIT dissertation. Instead of archaic
+state abbreviations, use the official two-letter postal abbreviations.
+Note that national and other traditions vary in exactly what is labeled
+`thesis' versus `dissertation' and in distinguishing `PhD' from
+`doctoral' dissertations. Cambridge, MA: MIT dissertation. Chapel Hill:
+UNC MA thesis.
+\end{quote}
+
+\texttt{biblatex-unified}: The style complies with the Unified Style
+Sheet. Using the two-letter postal abbreviations is something that needs
+to be taken care of during the preparation of the bib-file.
+
+\begin{quote}
+17. \textbf{On-line materials.} The basic information here -- author,
+date, title -- remains the same, and the URL where the resource was
+found takes the place of publisher or journal. We urge authors to
+include the date the material was accessed, in parentheses after the
+URL, since new versions often replace old ones. For a .pdf file, this
+would be the date of downloading, but for a resource like an on-line
+dictionary consulted repeatedly, a range of dates may be needed. For
+additional discussion of handling online citations, authors may want to
+consult this guide:
+\end{quote}
+
+\begin{quote}
+Walker, Janice R. \& Todd Taylor. 1998. The Columbia Guide to Online
+Style. New York: Columbia University Press.
+\end{quote}
+
+\texttt{biblatex-unified}: We take it that this does not refer to
+material that has officially been published online, in which case
+permanent document identifiers such as DOIs and the like will take care
+of the linking requirements. Rather, we are assuming this refers to
+``unpublished'' material available online (on author's homepages or
+repositories such as the Semantics Archive or LingBuzz). In this case,
+just use the \texttt{@unpublished} entry-type, give the URL in the
+\texttt{url\ =\ \{\}} field, and if deemed necessary include the date
+the material was accessed by adding an \texttt{urldate\ =\ \{\}} field.
+The date should be given in YYYY-MM-DD format,
+e.g.~\texttt{urldate\ =\ \{2013-08-11\}}. The style will then add the
+date in parentheses, formatted to the style sheet's rather odd format.
+
+\hypertarget{departures-from-the-unified-style-sheet}{%
+\section{Departures from the Unified Style
+Sheet}\label{departures-from-the-unified-style-sheet}}
+
+We already mentioned our one major disagreement with the Unified Style
+Sheet: the incorrect treatment of the ``von'' part of names.
+
+We depart from the style sheet only in a few other places. These are
+actually only departures from the example formatting given and do not
+pertain to any explicit guidelines.
+
+\begin{enumerate}
+\def\labelenumi{\arabic{enumi}.}
+\tightlist
+\item
+  The acronym ``CLS'' given in parentheses after ``Chicago Linguistic
+  Society'' in the Casali 1986 entry is not given in italics in the
+  example. Since it is part of the ``journal title'' field,
+  \texttt{biblatex-unified} will typeset it in italics.
+\item
+  The example URLs have a period inside the parentheses around the URL
+  access date. We have relocated this period to outside the parentheses.
+\item
+  In the one case of an online journal article, the Pedersen 2005 entry,
+  the example has a comma between the journal + volume and the URL. We
+  think that this is analogous to the break between journal +
+  volume(issue) and page numbers, and so it should be a period instead
+  of a comma. That is what \texttt{biblatex-unified} does.
+\item
+  There is a period between the URL and the URL access date (which is in
+  parentheses). We do not think that this period should be there.
+  \texttt{biblatex-unified} has a space.
+\end{enumerate}
+
+\hypertarget{guidelines-for-the-preparation-of-bib-files}{%
+\section{Guidelines for the preparation of bib
+files}\label{guidelines-for-the-preparation-of-bib-files}}
+
+For convenience, we repeat the best practices for preparing your bib
+file for use with \texttt{biblatex-unified}.
+
+\begin{enumerate}
+\def\labelenumi{\arabic{enumi}.}
+\tightlist
+\item
+  Any words in the titles of articles, books, dissertations that should
+  not be lowercased (other than the first word) have to be protected by
+  \{\} brackets around that word (not just around the first letter of
+  the word and never double wrap the entire title!). This includes the
+  first word after a subtitle colon (unless the subtitle field is used
+  instead).
+\item
+  Give full first names for all authors and editors (all persons listed
+  in the bib file).
+\item
+  For conference proceedings, working papers, etc. For conference
+  proceedings published with an ISSN, treat the proceedings as a
+  journal: Include both the full conference name and any commonly used
+  acronym for the conference (BLS, WCCFL, etc.) in the journal title
+  position. Do not include the editors in the bib-file. For proceedings
+  not published with an ISSN, treat the proceedings as any other book,
+  using the full title as listed on the front cover or title page. If
+  the title (and subtitle if there is one) only includes an acronym for
+  the conference name, expand the acronym in square brackets or
+  parentheses following the acronym. If the title does not include an
+  acronym which is commonly used for the conference name, include the
+  acronym in square brackets or parentheses following the conference
+  name. The advantage of including the acronym after the society title
+  is that it makes the entry much more identifiable in a list of
+  references. Do not include ``proceedings of the'' or ``papers from
+  the''.
+\item
+  For on-line materials, you can give the date the resource was
+  accessed. Use the \texttt{urldate} field for this purpose and give the
+  date in the YYYY-MM-DD format, e.g.~\texttt{2013-08-11}.
+\item
+  Use two-letter postal abbreviations for all US cities.
+\end{enumerate}
+
+\hypertarget{license-and-copyright}{%
+\section{License and copyright}\label{license-and-copyright}}
+
+Copyright ©2020 Kai von Fintel.
+
+This package is author-maintained. Permission is granted to copy,
+distribute and/or modify this software under the terms of the LaTeX
+Project Public License, version 1.3c.
+
+This software is provided ``as is,'' without warranty of any kind,
+either expressed or implied, including, but not limited to, the implied
+warranties of merchantability and fitness for a particular purpose.
+
+\hypertarget{changelog-and-release-notes}{%
+\section{Changelog and release
+notes}\label{changelog-and-release-notes}}
+
+\textbf{v1.00 (2020-05-25)} Initial CTAN release.
+
+\end{document}
diff --git a/macros/latex/contrib/biblatex-contrib/biblatex-unified/unified-test.bib b/macros/latex/contrib/biblatex-contrib/biblatex-unified/unified-test.bib
new file mode 100644
index 0000000000..588723c75a
--- /dev/null
+++ b/macros/latex/contrib/biblatex-contrib/biblatex-unified/unified-test.bib
@@ -0,0 +1,146 @@
+@book{blevins:2004,
+	Address = {Cambridge},
+	Author = {Blevins, Juliette},
+	Publisher = {Cambridge University Press},
+	Title = {Evolutionary Phonology},
+	Year = {2004}}
+
+@inproceedings{casali:1998,
+	Author = {Casali, Roderic F.},
+	Booktitle = {Chicago Linguistic Society (CLS)},
+	Number = {1},
+	Pages = {55-68},
+	Title = {Predicting {ATR} Activity},
+	Volume = {34},
+	Year = {1998},
+  ISSN = {0577-7240}}
+
+@book{chomsky:1986,
+	Address = {New York},
+	Author = {Chomsky, Noam},
+	Publisher = {Praeger},
+	Title = {Knowledge of Language},
+	Year = {1986}}
+
+@book{chomsky:1969,
+  Title = {Aspects of the Theory of Syntax},
+  Author = {Chomsky, Noam},
+  ISBN = {9780262327800},
+  Year = {1969},
+  Publisher = {MIT Press}}
+
+@book{coetsem:2000,
+	Address = {Heidelberg},
+	Author = {van Coetsem, Frans},
+	Publisher = {Winter},
+	Title = {A General and Unified Theory of the Transmission Process in Language Contact},
+	Year = {2000}}
+
+@unpublished{franks:2005,
+	Author = {Franks, Steven},
+	Title = {Bulgarian Clitics are Positioned in the Syntax},
+	Url = {http://www.cogs.indiana.edu/people/homepages/franks/Bg_clitics_remark_dense.pdf},
+	Urldate = {2006-05-17},
+	Year = {2005}}
+
+@article{iverson:1983,
+	Author = {Iverson, Gregory K.},
+	Journal = {Journal of Phonetics},
+	Pages = {191-200},
+	Title = {Korean /s/},
+	Volume = {11},
+	Year = {1983}}
+
+@article{iverson:1989,
+	Author = {Iverson, Gregory K.},
+	Journal = {Phonology},
+	Pages = {285-303},
+	Title = {On the Category Supralaryngeal},
+	Volume = {6},
+	Year = {1989}}
+
+@article{johnson:1989,
+	Author = {Johnson, Kyle and Baker, Mark and Roberts, Ian},
+	Journal = {Linguistic Inquiry},
+	Pages = {219-251},
+	Title = {Passive Arguments Raised},
+	Volume = {20},
+	Year = {1989}}
+
+@book{lahiri:2000,
+	Address = {Berlin},
+	Editor = {Lahiri, Aditi},
+	Number = {127},
+	Publisher = {Mouton de Gruyter},
+	Series = {Trends in Linguistics},
+	Title = {Analogy, Leveling, Markedness: {Principles} of Change in Phonology and Morphology},
+	Year = {2000}}
+
+@incollection{mccarthy:1999,
+	Address = {Malden, MA and Oxford},
+	Author = {McCarthy, John J. and Prince, Alan S.},
+	Booktitle = {Phonological Theory: {The} Essential Readings},
+	Editor = {Goldsmith, John A.},
+	Pages = {238-288},
+	Publisher = {Blackwell},
+	Title = {Prosodic morphology},
+	Year = {1999}}
+
+@article{murray:1983,
+	Author = {Murray, Robert W. and Vennemann, Theo},
+	Journal = {Language},
+	Number = {3},
+	Pages = {514-528},
+	Title = {Sound Change and Syllable Structure in {Germanic} Phonology},
+	Volume = {59},
+	Year = {1983}}
+
+@book{oed:1989,
+	Address = {Oxford},
+	Edition = {2},
+	Publisher = {Oxford University Press},
+	Title = {Oxford {English} Dictionary},
+	Year = {1989}}
+
+@article{pedersen:2005,
+	Author = {Pedersen, Johan},
+	Journal = {Constructions},
+	Title = {The {Spanish} impersonal \emph{se}-construction: {Constructional} variation and change},
+	Url = {http://www.constructions-online.de},
+	Urldate = {2007-04-03},
+	Volume = {1},
+	Year = {2005}}
+
+@incollection{rissanen:1999,
+	Address = {Cambridge and New York},
+	Author = {Rissanen, Matti},
+	Booktitle = {Cambridge History of the {English} Language},
+	Editor = {Lass, Roger},
+	Pages = {187-331},
+	Publisher = {Cambridge University Press},
+	Title = {Syntax},
+	Volume = {3},
+	Year = {1999}}
+
+@phdthesis{stewart:2000,
+	Address = {Columbus, OH},
+	Author = {Stewart, Jr., Thomas W.},
+	School = {The Ohio State University},
+	Title = {Mutation as Morphology: {Bases}, Stems, and Shapes in {Scottish Gaelic}},
+	Type = {phdthesis},
+	Year = {2000}}
+
+@book{webelhuth:1995,
+	Address = {Oxford},
+	Editor = {Webelhuth, Gert},
+	Publisher = {Blackwell},
+	Title = {Government and Binding Theory and the Minimalist Program: {Principles} and Parameters in Syntactic Theory},
+	Year = {1995}}
+
+@phdthesis{yu:2003,
+	Address = {Berkeley, CA},
+	Author = {Yu, Alan C. L.},
+	School = {University of California},
+	Title = {The Morphology and Phonology of Infixation},
+	Type = {phdthesis},
+	Year = {2003}}
diff --git a/macros/latex/contrib/biblatex-contrib/biblatex-unified/unified-test.pdf b/macros/latex/contrib/biblatex-contrib/biblatex-unified/unified-test.pdf
new file mode 100644
index 0000000000..a67ba7a447
--- /dev/null
+++ b/macros/latex/contrib/biblatex-contrib/biblatex-unified/unified-test.pdf
diff --git a/macros/latex/contrib/biblatex-contrib/biblatex-unified/unified-test.tex b/macros/latex/contrib/biblatex-contrib/biblatex-unified/unified-test.tex
new file mode 100644
index 0000000000..06226986d5
--- /dev/null
+++ b/macros/latex/contrib/biblatex-contrib/biblatex-unified/unified-test.tex
@@ -0,0 +1,22 @@
+\documentclass{article}
+
+\usepackage[utf8]{inputenc}
+\usepackage{lmodern}
+\usepackage[english]{babel}
+\usepackage{csquotes}
+\usepackage[backend=biber,style=unified]{biblatex}
+\usepackage{hyperref}
+\urlstyle{same}
+\pagestyle{empty}
+
+\addbibresource{unified-test.bib}
+
+\begin{document}
+
+\section*{Unified biblatex style sheet for linguistics}
+
+\nocite{*}
+
+\printbibliography[heading=none]
+
+\end{document}
diff --git a/macros/latex/contrib/biblatex-contrib/biblatex-unified/unified.bbx b/macros/latex/contrib/biblatex-contrib/biblatex-unified/unified.bbx
new file mode 100644
index 0000000000..bb278b4a1c
--- /dev/null
+++ b/macros/latex/contrib/biblatex-contrib/biblatex-unified/unified.bbx
@@ -0,0 +1,733 @@
+%% ---------------------------------------------------------------
+%% biblatex-unified --- A biblatex implementation of the Unified Style
+%%   Sheet for Linguistics Journals. This is the house style of the
+%%   journal "Semantics & Pragmatics" (A journal of the Linguistic
+%%   Society of America).
+%% Maintained by Kai von Fintel (fintel@mit.edu)
+%% Released under the LaTeX Project Public License v1.3c or later
+%% See http://www.latex-project.org/lppl.txt
+%% ---------------------------------------------------------------
+%%
+
+\ProvidesFile{unified.bbx}[2020/06/25 v1.00 biblatex bibliography style]
+
+% biblatex by default calls biblatex.def, we add to this authoryear.bbx, which
+% in turn loads standard.bbx. So, unified.bbx is built on top of those styles;
+% once authoryear.bbx is loaded, we tell it not to put in dashes for repeated
+% authors (in accordance with the Unified Stylesheet)
+
+\RequireBibliographyStyle{authoryear}
+\ExecuteBibliographyOptions{dashed=false,isbn=false,eprint=false}
+
+% NB: The Unified Style Sheet wants abbreviated "ed(s)", "edn". But using the
+% abbreviate option also abbreviates the names of months. But then
+% dateabbrev=false restores the long names of months
+
+% biblatex has a "useprefix" option, which makes "von" count for
+% alphabetization; the Unified Stylesheet does not want that, so it is important
+% that this option be disabled (even if an author tries to set it to true)
+
+\ExecuteBibliographyOptions{%
+  sorting=nyt,abbreviate,dateabbrev=false,useprefix=false}
+
+% For backward compatibility: choose labeldate or labeldateparts
+% depending on the biblatex version
+\@ifpackagelater{biblatex}{2016/09/09} {%
+  \ExecuteBibliographyOptions{labeldateparts}} {%
+  \ExecuteBibliographyOptions{labeldate}
+  \def\printlabeldateextra{\printdateextralabel} }%
+
+% If an @article entry contains Issuetitle and Editor information, we
+% might not want to print it. The Unified Style Sheet does not offer
+% explicit guidelines on this, but they don't have any examples where
+% either of these pieces of information are actually printed.
+% Therefore, we can offer an option for the user to decide whether to
+% print it. The default will be not to print it since the Unified
+% Style Sheet does not have examples where this information is
+% printed. The user can print it by setting `issueandeditor=true` as a
+% package option when biblatex is called.
+
+\newtoggle{issueandeditor}
+\DeclareBibliographyOption{issueandeditor}[false]{%
+  \settoggle{issueandeditor}{#1}}
+
+% Formatting directives for name lists
+% ------------------------------------------------------------------
+%
+% In biblatex.def, there are name formats defined: first-last, last-first,
+% last-first/first-last. They could be simplified (we don't need provisions for
+% using initials only, since the Unified Style doesn't do that), but since
+% biblatex.def is loaded automatically, there's no point. The name formats call
+% bibmacros that figure out how to order the internal of name components. These
+% are re-defined here to make sure that "von" is treated as part of the last
+% name (it still doesn't count for sorting -- which is controlled by the
+% \useprefix package option) name:last is used to produce citation labels
+% name:last-first is used to produce the first author's name listing in the
+% alphabetical bibliography
+
+% Also moved the Jr part to after the first name and inserted another comma,
+% because the Unified Stylesheet disagrees with standard.bbx: it wants "Jr." not
+% to be treated as part of the last name.
+
+% The macros here get 4 arguments passed to them. They are: #1 last name, #2
+% first name, #3 von, #4 Jr.
+
+% In biblatex v3.3 and onwards, the name formatting has changed in a big way.
+% See for example:
+% http://tex.stackexchange.com/questions/299036/biblatex-3-3-name-formatting,
+% https://github.com/plk/biblatex/issues/372, and
+% http://www.texdev.net/2016/03/13/biblatex-a-new-syntax-for-declarenameformat/.
+% The name formats in biblatex.def are not called first-last etc. anymore but
+% given-family etc. And while there are safeguard legacy aliases
+% (\DeclareNameAlias{first-last}{given-family}, for example), the new formats
+% then use macros like \usebibmacro{name:family-given}, which of course our old
+% redefinitions didn't adjust. So, for newer biblatex, we need to do new
+% versions of \renewbibmacro{name:...}.
+
+%% Redefinitions of name:last and name:last-first for biblatex versions before
+%% v3.3
+
+\renewbibmacro*{name:last}[4]{%
+     \usebibmacro{name:delim}{#3#1}%
+     \usebibmacro{name:hook}{#3#1}%
+     \ifblank{#3}
+       {}
+       {\ifcapital
+          {\mkbibnameprefix{\MakeCapital{#3}}\isdot}
+          {\mkbibnameprefix{#3}\isdot}%
+        \ifpunctmark{'}{}{\bibnamedelimc}}%
+  \mkbibnamelast{#1}}%
+
+\renewbibmacro*{name:last-first}[4]{%
+     \usebibmacro{name:delim}{#3#1}%
+     \usebibmacro{name:hook}{#3#1}%
+     \ifblank{#3}{}{%
+       \mkbibnameprefix{#3}\isdot%
+       \ifpunctmark{'}{}{\bibnamedelimc}}%
+     \mkbibnamelast{#1}\isdot
+     \ifblank{#2}{}{\addcomma\bibnamedelimd\mkbibnamefirst{#2}\isdot}%
+     \ifblank{#4}{}{\addcomma\bibnamedelimd\mkbibnameaffix{#4}\isdot}}
+
+%% Redefinitions of name:family and name:family-given for biblatex ever since
+%% v3.3
+
+\renewbibmacro*{name:family}[4]{%
+     \usebibmacro{name:delim}{#3#1}%
+     \usebibmacro{name:hook}{#3#1}%
+     \ifdefvoid{#3}
+       {}
+       {\ifcapital
+          {\mkbibnameprefix{\MakeCapital{#3}}\isdot}
+          {\mkbibnameprefix{#3}\isdot}%
+        \ifprefchar{}{\bibnamedelimc}}%
+     \mkbibnamefamily{#1}\isdot}%
+
+\renewbibmacro*{name:family-given}[4]{%
+  \usebibmacro{name:delim}{#3#1}%
+  \usebibmacro{name:hook}{#3#1}%
+  \ifdefvoid{#3}
+    {}
+    {\mkbibnameprefix{#3}\isdot%
+     \ifprefchar{}{\bibnamedelimc}}%
+  \mkbibnamefamily{#1}\isdot
+  \ifdefvoid{#2}
+    {}
+    {\revsdnamepunct\bibnamedelimd\mkbibnamegiven{#2}\isdot}%
+  \ifdefvoid{#4}
+    {}
+    {\addcomma\bibnamedelimd\mkbibnamesuffix{#4}\isdot}}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Various bibmacros used in producing the bibliography
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% We use `date+extradate` but biblatex versions before 3.8 didn't have that
+% macro. Older versions were smart enough to complain about `\renewmacro` and
+% use `\newmacro` instead. But the following construction works for both cases
+
+\providebibmacro{date+extradate}{}
+\renewbibmacro*{date+extradate}{%
+     \iffieldundef{labelyear} {}
+     {\printtext{\printlabeldateextra}}}% Took out parentheses around the year
+
+\renewbibmacro*{author}{%
+  \ifboolexpr{
+    test \ifuseauthor
+    and
+    not test {\ifnameundef{author}}
+  }
+    {\usebibmacro{bbx:dashcheck}
+       {\bibnamedash}
+       {\usebibmacro{bbx:savehash}%
+        \printnames{author}%
+  \iffieldundef{authortype}
+    {\newunit}%                               period instead of space
+    {\setunit{\addcomma\space}}}%
+     \iffieldundef{authortype}
+       {}
+       {\usebibmacro{authorstrg}%
+  \newunit}}%                                 period instead of space
+    {\global\undef\bbx@lasthash
+     \usebibmacro{labeltitle}%
+     \newunit}%                               period instead of space
+  \usebibmacro{date+extradate}}
+
+\renewbibmacro*{editor}{%
+  \usebibmacro{bbx:editor}{editorstrg}}
+\renewbibmacro*{editor+others}{%
+  \usebibmacro{bbx:editor}{editor+othersstrg}}
+\renewbibmacro*{bbx:editor}[1]{%
+  \ifboolexpr{
+    test \ifuseeditor
+    and
+    not test {\ifnameundef{editor}}
+  }
+    {\usebibmacro{bbx:dashcheck}
+       {\bibnamedash}
+       {\printnames{editor}%
+  \setunit{\addspace}%
+  \usebibmacro{bbx:savehash}}%
+     \printtext[parens]{\usebibmacro{#1}}%
+     \clearname{editor}%
+     \newunit}%                                         period instead of space
+    {\global\undef\bbx@lasthash
+     \usebibmacro{labeltitle}%
+     \newunit}%                                         period instead of space
+  \usebibmacro{date+extradate}}
+
+\renewbibmacro*{translator}{%
+  \usebibmacro{bbx:translator}{translatorstrg}}
+\renewbibmacro*{translator+others}{%
+  \usebibmacro{bbx:translator}{translator+othersstrg}}
+\renewbibmacro*{bbx:translator}[1]{%
+  \ifboolexpr{
+    test \ifusetranslator
+    and
+    not test {\ifnameundef{translator}}
+  }
+    {\usebibmacro{bbx:dashcheck}
+       {\bibnamedash}
+       {\printnames{translator}%
+  \setunit{\addcomma\space}%
+  \usebibmacro{bbx:savehash}}%
+     \usebibmacro{translator+othersstrg}%
+     \clearname{translator}%
+     \newunit}%                                     period instead of space
+    {\global\undef\bbx@lasthash
+     \usebibmacro{labeltitle}%
+     \newunit}%                                     period instead of space
+  \usebibmacro{date+extradate}}
+
+\renewbibmacro*{journal}{%
+  \iffieldundef{journaltitle}
+    {}
+    {\printtext{%
+       \printfield{journaltitle}%
+       \setunit{\subtitlepunct}%
+       \printfield{journalsubtitle}}}}
+
+\newbibmacro*{journal+issuetitle+editor}{%
+  \usebibmacro{journal}%
+  \setunit*{\addspace}%
+  \iffieldundef{series}
+    {}
+    {\newunit
+     \printfield{series}%
+     \setunit{\addspace}}%
+  \usebibmacro{volume+number+eid}%
+  \iftoggle{issueandeditor}
+    {\setunit{\addspace}%
+     \usebibmacro{issue+date}%
+     \setunit{\addcolon\space}%
+     \usebibmacro{issue}
+     % The following three lines were originally not included inside of
+     % the journal+issuetitle bibmacro. They have been moved inside of
+     % this macro in order to allow them to be controlled by the toggle
+     % `issuetitle` that is defined at the top of this style file.
+     \newunit
+     \usebibmacro{byeditor+others}%
+     \newunit}
+    {}%
+  \newunit}
+
+% The next three bib macros are for printing the maintitle and
+% booktitle fields of an @inproceedings entry with an ISSN as an
+% article in accordance with the unified style sheet guidelines.
+
+% 1. maintitle
+
+\newbibmacro*{unified:proc-as-article:maintitle}{%
+  \ifboolexpr{
+    test {\iffieldundef{maintitle}}
+    and
+    test {\iffieldundef{mainsubtitle}}
+  }
+    {}
+    {\printtext{%
+       \printfield[maintitle]{maintitle}%
+       \setunit{\subtitlepunct}%
+       \printfield[maintitle]{mainsubtitle}}%
+     \newunit}%
+  \printfield{maintitleaddon}}
+
+% 2. booktitle
+
+\newbibmacro*{unified:proc-as-article:booktitle}{%
+  \ifboolexpr{
+    test {\iffieldundef{booktitle}}
+    and
+    test {\iffieldundef{booksubtitle}}
+  }
+    {}
+    {\printtext{%
+       \printfield[booktitle]{booktitle}%
+       \setunit{\subtitlepunct}%
+       \printfield[booktitle]{booksubtitle}}%
+     \newunit}%
+  \printfield{booktitleaddon}}
+
+% 3. maintitle+booktitle
+
+\newbibmacro*{unified:proc-as-article:maintitle+booktitle}{%
+  \iffieldundef{maintitle}
+    {}
+    {\usebibmacro{unified:proc-as-article:maintitle}%
+     \newunit\newblock}
+  \usebibmacro{unified:proc-as-article:booktitle}%
+  \setunit{\addspace}}
+
+\renewbibmacro*{volume+number+eid}{%
+  \printfield{volume}%
+%  \setunit*{\adddot}%
+  \printfield[parens]{number}%  parentheses instead of dot before issue number
+  \setunit{\addcomma\space}%
+  \printfield{eid}}
+
+% This is for printing the volume field of a proceedings with an ISSN
+% as an article in accordance with the unified style sheet guidelines.
+% It depends on the declared field format below.
+
+\newbibmacro*{unified:proc-as-article:volume+number+eid}{%
+  \printfield[volume:unified:proc-as-article]{volume}%
+  \printfield[parens]{number}%
+  \setunit{\addcomma\space}%
+  \printfield{eid}}
+
+% Because of the weird format "3 May, 2007" specified in the Unified
+% Stylesheet for URL access dates, we need a special way to format the
+% urldate
+
+\newcommand{\mkbibdateunified}[3]{% Year-Month-Day as input --> xx Month, Year
+  \iffieldundef{#3}
+    {}
+    {\stripzeros{\thefield{#3}}%
+     \nobreakspace}%
+  \iffieldundef{#2}
+    {\iffieldundef{#1}%
+      {}%
+      {\stripzeros{\thefield{#1}}}}%
+    {\mkbibmonth{\thefield{#2}}%
+     \iffieldundef{#1}%
+      {}%
+      {\iffieldundef{#3}%
+           {}%
+           {,}%
+         \space\stripzeros{\thefield{#1}}}%
+    }%
+  }%
+
+\renewbibmacro*{url+urldate}{%
+  \printfield{url}%
+  \iffieldundef{urlyear}%
+    {}%
+    {\setunit*{\addspace}%
+     \printtext[parens]{\mkbibdateunified{urlyear}{urlmonth}{urlday}}}%
+  }
+
+\renewbibmacro*{series+number}{%
+  \iffieldundef{series}
+    {}
+    {\printtext[parens]{%
+      \printfield{series}%
+      \setunit*{\addspace}%
+      \printfield{number}}%
+    }}
+
+\renewbibmacro*{byeditor+others}{%
+  \ifnameundef{editor}
+    {}
+    {\printnames[byeditor]{editor}%
+     \setunit{\addspace}%
+     \printtext[parens]{\usebibmacro{editor+othersstrg}}%
+     \clearname{editor}%
+     \newunit}%
+  \usebibmacro{byeditorx}%
+  \usebibmacro{bytranslator+others}}
+
+\renewbibmacro*{chapter+pages}{%
+  \iffieldundef{chapter}%
+  {}%
+  {\printfield{chapter}%
+  \setunit{\addcomma\space}}%
+  \printfield{pages}%
+  \newunit}
+
+\renewbibmacro*{note+pages}{%
+  \iffieldundef{note}%
+  {}%
+  {\printfield{note}%
+  \setunit{\addcomma\space}}%
+  \printfield{pages}%
+  \newunit}
+
+\newbibmacro*{institution+location+type+date}{%
+  \printlist{location}%
+  \iflistundef{institution}
+    {}
+    {\setunit*{\addcolon\space}}%
+  \printlist{institution}%
+  \setunit{\addspace}%
+  \printfield{type}%
+  \setunit*{\addcomma\space}%
+  \usebibmacro{date}%
+  \newunit}
+
+% The following is a hack to satisfy the Unified Stylesheet's decision
+% to give the edition right after the OED as used as a sortlabel.
+
+\renewbibmacro*{labeltitle}{%
+  \iffieldundef{label}
+    {\iffieldundef{shorttitle}
+       {\printfield{title}%
+        \setunit{\addcomma\space}%     Here it comes, preparing for the edition
+        \printfield{edition}%          Here's the edition
+        \clearfield{title}%
+        \clearfield{edition}}%         Clearing the edition field
+       {\printfield[title]{shorttitle}}}
+    {\printfield{label}}}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Punctuation & formatting
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% This gets rid of the Oxford comma in name lists and uses the
+% ampersand rather than "and":
+
+\renewcommand*{\finalnamedelim}{\addspace\&\addspace}
+\renewcommand*{\finallistdelim}{\addspace\&\addspace}
+
+% no colon after "In" in incollection entries (overriding
+% biblatex.def):
+
+\renewcommand{\intitlepunct}{\addspace}
+
+\renewcommand{\subtitlepunct}{\addcolon\space}
+
+% No comma before pages, just the usual new unit period
+
+\renewcommand*{\bibpagespunct}{\newunitpunct}
+
+\DefineBibliographyStrings{english}{%
+  edition = {edn\adddot},
+  phdthesis = {dissertation},
+}
+
+% basically everything is in sentence case, other than journals and
+% book series (recurring titles)
+
+\DeclareFieldFormat[%
+  article,book,collection,incollection,inproceedings,thesis,unpublished]%
+  {titlecase}{\MakeSentenceCase*{#1}}%
+
+% No quotes around titles
+
+\DeclareFieldFormat[%
+  article,inbook,incollection,inproceedings,patent,thesis,unpublished]%
+  {title}{#1}
+
+% Just like book titles, thesis titles are in italics
+
+\DeclareFieldFormat[thesis]{title}{\mkbibemph{#1}}
+
+\DeclareFieldFormat{pages}{#1}     % no pp. prefix, took \mkpageprefix out [kvf]
+\DeclareFieldFormat{doi}{%
+  \ifhyperref
+    {\href{https://doi.org/#1}{\nolinkurl{https://doi.org/#1}}}
+    {\nolinkurl{https://doi.org/#1}}}
+\DeclareFieldFormat{url}{\url{#1}}
+
+% This is for printing the volume field of a proceedings with an ISSN
+% as an article in accordance with the unified style sheet guidelines
+
+\DeclareFieldFormat{volume:unified:proc-as-article}{#1}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% The bibliography drivers, specifying the formats of each type of
+% entry in the bibliography
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%%% First, the entry types used in the Unified Test Bibliography.
+%%% Could rely on standard.bbx for all others as a fallback.
+
+% For the article type, the only departure from standard.bbx is that
+% we don't use a literal "In: " before the journal title; other
+% formatting departures are done in the format specs and bibmacros
+
+\DeclareBibliographyDriver{article}{%
+  \usebibmacro{bibindex}%
+  \usebibmacro{begentry}%
+  \usebibmacro{author/translator+others}%
+  \setunit{\labelnamepunct}\newblock
+  \usebibmacro{title}%
+  \newunit
+  \printlist{language}%
+  \newunit\newblock
+  \usebibmacro{byauthor}%
+  \newunit\newblock
+  \usebibmacro{bytranslator+others}%
+  \newunit\newblock
+  \printfield{version}%
+  \newunit\newblock
+  \usebibmacro{journal+issuetitle+editor}%
+  \newblock%                          \newblock ensures period before pages
+  \usebibmacro{note+pages}%
+  \newunit\newblock
+  \iftoggle{bbx:isbn}
+    {\printfield{issn}}
+    {}%
+  \newunit\newblock
+  \usebibmacro{doi+eprint+url}%
+  \newunit\newblock
+  \usebibmacro{addendum+pubstate}%
+  \setunit{\bibpagerefpunct}\newblock
+  \usebibmacro{pageref}%
+  \newunit\newblock
+  \iftoggle{bbx:related}
+    {\usebibmacro{related:init}%
+     \usebibmacro{related}}
+    {}%
+  \usebibmacro{finentry}}
+
+\DeclareBibliographyDriver{book}{%
+  \usebibmacro{bibindex}%
+  \usebibmacro{begentry}%
+  \usebibmacro{author/editor+others/translator+others}%
+  \setunit{\labelnamepunct}\newblock
+  \usebibmacro{maintitle+title}%
+  \newunit
+  \printlist{language}%
+  \newunit\newblock
+  \usebibmacro{byauthor}%
+  \newunit\newblock
+  \usebibmacro{byeditor+others}%
+  \newunit\newblock
+  \printfield{edition}%
+  \newunit
+  \iffieldundef{maintitle}
+    {\printfield{volume}%
+     \printfield{part}}
+    {}%
+  \newunit
+  \printfield{volumes}%
+  \setunit{\addspace}% 
+  \usebibmacro{series+number}%
+  \newunit\newblock
+  \printfield{note}%
+  \newunit\newblock
+  \usebibmacro{publisher+location+date}%
+  \newunit\newblock
+  \usebibmacro{chapter+pages}%
+  \newunit
+  \printfield{pagetotal}%
+  \newunit\newblock
+  \iftoggle{bbx:isbn}
+    {\printfield{isbn}}
+    {}%
+  \newunit\newblock
+  \usebibmacro{doi+eprint+url}%
+  \newunit\newblock
+  \usebibmacro{addendum+pubstate}%
+  \setunit{\bibpagerefpunct}\newblock
+  \usebibmacro{pageref}%
+  \newunit\newblock
+  \iftoggle{bbx:related}
+    {\usebibmacro{related:init}%
+     \usebibmacro{related}}
+    {}%
+  \usebibmacro{finentry}}
+
+% Aliased to ensure no period between the title and the series.
+
+\DeclareBibliographyAlias{collection}{book}
+
+% @inbook entries look terrible as-is, and have fields very similar to
+% @incollection anyway
+
+\DeclareBibliographyAlias{inbook}{incollection}
+
+\DeclareBibliographyAlias{incollection}{inproceedings}
+
+% Given the guidelines in the unified style sheet, we should print
+% conference proceedings and working papers as @article's just in case
+% the publication has an ISSN. So, rather than have users handle this
+% in the database by changing the entry type, we can implement this by
+% checking if the inproceedings entry has an ISSN. If the field is
+% undefined, the driver will do what driver did for @inproceedings
+% entries as of 512f11657199a6044f7663da454f3eac338bdbd5 except that
+% \printlist{organization} and \newunit have been removed. On the
+% other hand, if the ISSN field is not undefined, then we will do
+% largely the exact same thing that we do in the @article driver,
+% except that we use the two macros
+% \usebibmacro{unified:proc-as-article:maintitle+booktitle} and
+% \usebibmacro{unified:proc-as-article:volume+number+eid} instead of
+% \usebibmacro{journal+issuetitle} and except that
+% \usebibmacro{byeditor+others} has been removed so as to ensure that
+% the editors are not listed even if they are present in the database.
+
+\DeclareBibliographyDriver{inproceedings}{%
+  \usebibmacro{bibindex}%
+  \usebibmacro{begentry}%
+  \iffieldundef{issn}
+    {\usebibmacro{author/translator+others}%
+     \setunit{\labelnamepunct}\newblock
+     \usebibmacro{title}%
+     \newunit
+     \printlist{language}%
+     \newunit\newblock
+     \usebibmacro{byauthor}%
+     \newunit\newblock
+     \usebibmacro{in:}%
+     \ifnameundef{editor}
+       {\setunit{\addspace}}
+       {\usebibmacro{byeditor+others}\setunit{\addcomma\space}}
+     \usebibmacro{maintitle+booktitle}%
+     \setunit{\addcomma\space}
+     \printfield{edition}%
+     \setunit{\addcomma\space}
+     \iffieldundef{maintitle}
+       {\printfield{volume}%
+        \printfield{part}}
+       {}%
+     \setunit{\addcomma\space}
+     \printfield{volumes}%
+     \setunit{\addspace}%
+     \usebibmacro{series+number}%
+     \setunit{\addcomma\space}
+     \usebibmacro{chapter+pages}%
+     \newunit\newblock
+     \printfield{note}%
+     \newunit\newblock
+     \usebibmacro{publisher+location+date}%
+     \newunit\newblock
+     \iftoggle{bbx:isbn}
+       {\printfield{isbn}}
+       {}%
+     \newunit\newblock
+     \usebibmacro{doi+eprint+url}%
+     \newunit\newblock
+     \usebibmacro{addendum+pubstate}%
+     \setunit{\bibpagerefpunct}\newblock
+     \usebibmacro{pageref}%
+     \newunit\newblock
+     \iftoggle{bbx:related}
+       {\usebibmacro{related:init}%
+        \usebibmacro{related}}
+       {}}
+    {\usebibmacro{author/translator+others}%
+     \setunit{\labelnamepunct}\newblock
+     \usebibmacro{title}%
+     \newunit
+     \printlist{language}%
+     \newunit\newblock
+     \usebibmacro{byauthor}%
+     \newunit\newblock
+     \usebibmacro{bytranslator+others}%
+     \newunit\newblock
+     \printfield{version}%
+     \newunit\newblock
+     \usebibmacro{unified:proc-as-article:maintitle+booktitle}%
+     \usebibmacro{unified:proc-as-article:volume+number+eid}
+     \newunit\newblock%
+     \usebibmacro{note+pages}%
+     \newunit\newblock
+     \iftoggle{bbx:isbn}
+       {\printfield{issn}}
+       {}%
+     \newunit\newblock
+     \usebibmacro{doi+eprint+url}%
+     \newunit\newblock
+     \usebibmacro{addendum+pubstate}%
+     \setunit{\bibpagerefpunct}\newblock
+     \usebibmacro{pageref}%
+     \newunit\newblock
+     \iftoggle{bbx:related}
+       {\usebibmacro{related:init}%
+        \usebibmacro{related}}
+       {}}
+  \usebibmacro{finentry}}
+
+\DeclareBibliographyDriver{thesis}{%
+  \usebibmacro{bibindex}%
+  \usebibmacro{begentry}%
+  \usebibmacro{author}%
+  \setunit{\labelnamepunct}\newblock
+  \usebibmacro{title}%
+  \newunit
+  \printlist{language}%
+  \newunit\newblock
+  \usebibmacro{byauthor}%
+  \newunit\newblock
+  \printfield{note}%
+  \newunit\newblock
+  \usebibmacro{institution+location+type+date}%
+  \newunit\newblock
+  \usebibmacro{chapter+pages}%
+  \newunit
+  \printfield{pagetotal}%
+  \newunit\newblock
+  \iftoggle{bbx:isbn}
+    {\printfield{isbn}}
+    {}%
+  \newunit\newblock
+  \usebibmacro{doi+eprint+url}%
+  \newunit\newblock
+  \usebibmacro{addendum+pubstate}%
+  \setunit{\bibpagerefpunct}\newblock
+  \usebibmacro{pageref}%
+  \newunit\newblock
+  \iftoggle{bbx:related}
+    {\usebibmacro{related:init}%
+     \usebibmacro{related}}
+    {}%
+  \usebibmacro{finentry}}
+
+\DeclareBibliographyDriver{unpublished}{%
+  \usebibmacro{bibindex}%
+  \usebibmacro{begentry}%
+  \usebibmacro{author}%
+  \setunit{\labelnamepunct}\newblock
+  \usebibmacro{title}%
+  \newunit
+  \printlist{language}%
+  \newunit\newblock
+  \usebibmacro{byauthor}%
+  \newunit\newblock
+  \printfield{howpublished}%
+  \newunit\newblock
+  \printfield{note}%
+  \newunit\newblock
+  \usebibmacro{location+date}%
+  \newunit\newblock
+  \iftoggle{bbx:url}
+    {\usebibmacro{url+urldate}}
+    {}%
+  \newunit\newblock
+  \usebibmacro{addendum+pubstate}%
+  \setunit{\bibpagerefpunct}\newblock
+  \usebibmacro{pageref}%
+  \newunit\newblock
+  \iftoggle{bbx:related}
+    {\usebibmacro{related:init}%
+     \usebibmacro{related}}
+    {}%
+  \usebibmacro{finentry}}
diff --git a/macros/latex/contrib/biblatex-contrib/biblatex-unified/unified.cbx b/macros/latex/contrib/biblatex-contrib/biblatex-unified/unified.cbx
new file mode 100644
index 0000000000..95fe0d99e0
--- /dev/null
+++ b/macros/latex/contrib/biblatex-contrib/biblatex-unified/unified.cbx
@@ -0,0 +1,280 @@
+%% ---------------------------------------------------------------
+%% biblatex-unified --- A biblatex implementation of the Unified Style
+%%   Sheet for Linguistics Journals. This is the house style of the
+%%   journal "Semantics & Pragmatics" (A journal of the Linguistic
+%%   Society of America).
+%% Maintained by Kai von Fintel (fintel@mit.edu)
+%% Released under the LaTeX Project Public License v1.3c or later
+%% See http://www.latex-project.org/lppl.txt
+%% ---------------------------------------------------------------
+%%
+
+\ProvidesFile{unified.cbx}[2020/05/25 v1.00 biblatex citation style]
+
+\RequireCitationStyle{authoryear-comp}
+
+\ExecuteBibliographyOptions{%
+  labeldateparts,%
+  uniquename=minfull,%
+  uniquelist=minyear,%
+  autocite=inline,%
+  sortcites=false}
+
+% disabled sortcites option, since it was sorting by name, instead of
+% year, and we often want to keep citations in the order chosen by the
+% author
+
+% Setting the delimiters the way we want them:
+
+\renewcommand*{\nameyeardelim}{\addspace}
+\renewcommand*{\postnotedelim}{\addcolon\space}
+\renewcommand*{\multicitedelim}{\addcomma\space}
+
+% Apart from setting some options, the main change from
+% authoryear-comp is that we extend what parts of a citation label are
+% hyperlinked (to match what natbib did in the old days). The solution
+% used to be a very ugly homegrown rewrite of the entirety of
+% `authoryear-comp.cbx`, which meant that we were left behind when
+% that style was updated. The new solution, still a hack, is to apply
+% patches to the base style. These patches were first proposed in
+% https://tex.stackexchange.com/a/27615/70432.
+
+% It would be nice if biblatex simply offered more expansive
+% hyperlinks as an option and then we wouldn't have to patch things.
+% But this seems not to be in the cards:
+% https://github.com/plk/biblatex/issues/428
+
+\usepackage{xpatch}
+
+% Patches for biblatex > v3.8 2017-11-04, when labeldate+extradate
+% were introduced
+
+% Combine label and labelyear links
+\xpatchbibmacro{cite}
+  {\usebibmacro{cite:label}%
+   \setunit{\printdelim{nonameyeardelim}}%
+   \usebibmacro{cite:labeldate+extradate}}
+  {\printtext[bibhyperref]{%
+     \DeclareFieldAlias{bibhyperref}{default}%
+     \usebibmacro{cite:label}%
+     \setunit{\printdelim{nonameyeardelim}}%
+     \usebibmacro{cite:labeldate+extradate}}}{}{}
+
+% Include labelname in labelyear link
+\xpatchbibmacro{cite}
+  {\printnames{labelname}%
+   \setunit{\printdelim{nameyeardelim}}%
+   \usebibmacro{cite:labeldate+extradate}}
+  {\printtext[bibhyperref]{%
+     \DeclareFieldAlias{bibhyperref}{default}%
+     \printnames{labelname}%
+     \setunit{\printdelim{nameyeardelim}}%
+     \usebibmacro{cite:labeldate+extradate}}}{}{}
+
+% Patches for biblatex 3.7
+
+% Combine label and labelyear links
+\xpatchbibmacro{cite}
+ {\usebibmacro{cite:label}%
+   \setunit{\printdelim{nonameyeardelim}}%
+   \usebibmacro{cite:labelyear+extrayear}}
+ {\printtext[bibhyperref]{%
+     \DeclareFieldAlias{bibhyperref}{default}%
+     \usebibmacro{cite:label}%
+     \setunit{\addspace}%
+     \usebibmacro{cite:labelyear+extrayear}}}{}{}
+
+% Include labelname in labelyear link
+\xpatchbibmacro{cite}
+ {\printnames{labelname}%
+   \setunit{\printdelim{nameyeardelim}}%
+   \usebibmacro{cite:labelyear+extrayear}}
+ {\printtext[bibhyperref]{%
+     \DeclareFieldAlias{bibhyperref}{default}%
+     \printnames{labelname}%
+     \setunit{\nameyeardelim}%
+     \usebibmacro{cite:labelyear+extrayear}}}{}{} 
+
+% Patches for biblatex before 3.7
+
+% Combine label and labelyear links
+\xpatchbibmacro{cite}
+  {\usebibmacro{cite:label}%
+   \setunit{\addspace}%
+   \usebibmacro{cite:labelyear+extrayear}}
+  {\printtext[bibhyperref]{%
+     \DeclareFieldAlias{bibhyperref}{default}%
+     \usebibmacro{cite:label}%
+     \setunit{\addspace}%
+     \usebibmacro{cite:labelyear+extrayear}}}{}{}
+
+% Include labelname in labelyear link
+\xpatchbibmacro{cite}
+  {\printnames{labelname}%
+   \setunit{\nameyeardelim}%
+   \usebibmacro{cite:labelyear+extrayear}}
+  {\printtext[bibhyperref]{%
+     \DeclareFieldAlias{bibhyperref}{default}%
+     \printnames{labelname}%
+     \setunit{\nameyeardelim}%
+     \usebibmacro{cite:labelyear+extrayear}}}{}{} 
+
+% Access hyperref's citation link start/end commands
+\protected\def\blx@imc@biblinkstart{%
+  \@ifnextchar[%]
+    {\blx@biblinkstart}
+    {\blx@biblinkstart[\abx@field@entrykey]}}
+\def\blx@biblinkstart[#1]{%
+  \blx@sfsave\hyper@natlinkstart{\the\c@refsection @#1}\blx@sfrest}
+\protected\def\blx@imc@biblinkend{%
+  \blx@sfsave\hyper@natlinkend\blx@sfrest}
+\blx@regimcs{\biblinkstart \biblinkend}
+
+\newbool{cbx:link}
+
+% Include parentheses around labelyear in \textcite only in
+% single citations without pre- and postnotes
+\def\iflinkparens{%
+  \ifboolexpr{ test {\ifnumequal{\value{multicitetotal}}{0}} and
+               test {\ifnumequal{\value{citetotal}}{1}} and
+               test {\iffieldundef{prenote}} and
+               test {\iffieldundef{postnote}} }}
+
+\xpatchbibmacro{textcite}
+  {\printnames{labelname}}
+  {\iflinkparens
+     {\DeclareFieldAlias{bibhyperref}{default}%
+      \global\booltrue{cbx:link}\biblinkstart%
+      \printnames{labelname}}
+     {\printtext[bibhyperref]{\printnames{labelname}}}}{}{}
+
+\xpatchbibmacro{textcite}
+  {\usebibmacro{cite:label}}
+  {\iflinkparens
+     {\DeclareFieldAlias{bibhyperref}{default}%
+      \global\booltrue{cbx:link}\biblinkstart%
+      \usebibmacro{cite:label}}
+     {\usebibmacro{cite:label}}}{}{}
+
+\xpretobibmacro{textcite:postnote}
+  {\ifbool{cbx:link}% patch 2.7+
+     {\ifbool{cbx:parens}
+        {\bibcloseparen\global\boolfalse{cbx:parens}}
+        {}%
+         \biblinkend\global\boolfalse{cbx:link}}
+        {}}
+  {}
+  {\xpatchbibmacro{textcite}% patch earlier releases
+     {\setunit{%
+        \ifbool{cbx:parens}
+          {\bibcloseparen\global\boolfalse{cbx:parens}}
+          {}%
+        \multicitedelim}}
+     {\ifbool{cbx:link}
+        {\ifbool{cbx:parens}
+           {\bibcloseparen\global\boolfalse{cbx:parens}}
+           {}%
+         \biblinkend\global\boolfalse{cbx:link}}
+        {}%
+      \setunit{%
+        \ifbool{cbx:parens}
+          {\bibcloseparen\global\boolfalse{cbx:parens}}
+          {}%
+        \multicitedelim}}
+    {}{}}
+
+% Making the old code in \posscite work with new biblatex
+\@ifpackagelater{biblatex}{2016/12/06}%
+{\letbibmacro{cite:labelyear+extrayear}{cite:labeldate+extradate}}
+{}
+
+% What follows is ugly and meh. These cite commands have been part of
+% S&P's author convenience macros since the beginning. We shouldn't
+% advertise them anymore, but here they are. We should add warnings
+% that people shouldn't use them, because they are deprecated and will
+% go away at some point.
+
+\newcommand{\pgcitep}[2]{(\cite{#1}:~#2)}
+\newcommand{\pgcitealt}[2]{\cite{#1}:~#2}
+\newcommand{\pgcitet}[2]{\citeauthor{#1} (\citeyear{#1}:~#2)}
+\newcommand{\pgposscitet}[2]{\citeauthor{#1}'s (\citeyear{#1}:~#2)}
+\newcommand{\seccitealt}[2]{\cite{#1}:~$\S$#2}
+\newcommand{\seccitep}[2]{(\cite{#1}:~$\S$#2)}
+\newcommand{\seccitet}[2]{\citeauthor{#1} (\citeyear{#1}:~$\S$#2)}
+\newcommand{\secposscitet}[2]{\citeauthor{#1}'s (\citeyear{#1}:~$\S$#2)}
+
+\newbibmacro*{posscite}{% Based on textcite
+  \iffieldequals{namehash}{\cbx@lasthash}
+    {\iffieldundef{shorthand}
+       {\usebibmacro{labelyearrepeat}}
+       {\setunit{\compcitedelim}%
+        \usebibmacro{cite:shorthand}%
+        \global\undef\cbx@lastyear}}
+    {\ifnameundef{labelname}
+       {\printtext[bibhyperref]{% Include labelname in hyperlink
+          \DeclareFieldAlias{bibhyperref}{default}% Prevent nested hyperlinks
+          \iffieldundef{shorthand}
+            {\usebibmacro{cite:label}%
+             \setunit{%
+               \global\booltrue{cbx:parens}%
+               \addspace\bibopenparen}%
+             \ifnumequal{\value{citecount}}{1}
+               {\usebibmacro{prenote}}
+               {}%
+             \usebibmacro{cite:labelyear+extrayear}}
+            {\usebibmacro{cite:shorthand}}%
+          \ifthenelse{\iffieldundef{postnote}\AND
+                      \(\value{multicitetotal}=0\AND\value{citetotal}=1\)}
+            {\bibcloseparen% Include closing parenthesis in hyperlink
+             \global\boolfalse{cbx:parens}}
+            {}}}
+       {\printtext[bibhyperref]{% Include labelname in hyperlink
+          \DeclareFieldAlias{bibhyperref}{default}% Prevent nested hyperlinks
+          \printnames{labelname}'s%
+          \setunit{%
+            \global\booltrue{cbx:parens}%
+            \addspace\bibopenparen}%
+          \ifnumequal{\value{citecount}}{1}
+            {\usebibmacro{prenote}}
+            {}%
+          \iffieldundef{shorthand}
+            {\iffieldundef{labelyear}
+               {\usebibmacro{cite:label}}
+               {\usebibmacro{cite:labelyear+extrayear}}%
+             \savefield{labelyear}{\cbx@lastyear}}
+            {\usebibmacro{cite:shorthand}%
+             \global\undef\cbx@lastyear}%
+          \ifthenelse{\iffieldundef{postnote}\AND
+                      \(\value{multicitetotal}=0\AND\value{citetotal}=1\)}
+            {\bibcloseparen% Include closing parenthesis in hyperlink
+             \global\boolfalse{cbx:parens}}
+            {}}%
+          \savefield{namehash}{\cbx@lasthash}}}%
+  \setunit{%
+    \ifbool{cbx:parens}
+      {\bibcloseparen\global\boolfalse{cbx:parens}}
+      {}%
+    \multicitedelim}}
+\DeclareCiteCommand{\posscitet}
+  {\usebibmacro{cite:init}}
+  {\usebibmacro{citeindex}%
+   \usebibmacro{posscite}}
+  {}
+  {\usebibmacro{textcite:postnote}}
+
+\DeclareCiteCommand{\posscitealt}
+  {\boolfalse{citetracker}%
+   \boolfalse{pagetracker}}
+  {\printtext[bibhyperref]{\printnames{labelname}'s \iffieldundef{year}{\printfield{labelyear}}{\printfield{year}}\printfield{extradate}}}
+  {}
+  {}
+
+\DeclareCiteCommand{\possciteauthor}
+  {\boolfalse{citetracker}%
+   \boolfalse{pagetracker}}
+  {\printtext[bibhyperref]{\printnames{labelname}'s}}
+  {}
+  {}
+
+  
+\endinput
diff --git a/macros/latex/contrib/hitszthesis/README.md b/macros/latex/contrib/hitszthesis/README.md
index 2b403e82ae..ee047e546b 100644
--- a/macros/latex/contrib/hitszthesis/README.md
+++ b/macros/latex/contrib/hitszthesis/README.md
@@ -3,18 +3,18 @@
 
 # hitszthesis: Dissertation Template for Harbin Institute of Technology, ShenZhen (HITSZ)
 
-# hitszthesis：哈尔滨工业大学（深圳）本硕博学位论文$\LaTeX$模板
+# hitszthesis：哈尔滨工业大学（深圳）本硕博学位论文LaTeX模板
 
 ![CTAN Version](https://img.shields.io/ctan/v/hitszthesis.svg)
-![Github Version](https://img.shields.io/github/release/YangLaTeX/hitszthesis.svg)
+![GitHub Version](https://img.shields.io/github/release/YangLaTeX/hitszthesis.svg)
 ![Repo Size](https://img.shields.io/github/repo-size/YangLaTeX/hitszthesis.svg)
 ![License](https://img.shields.io/ctan/l/hitszthesis.svg)
 
-[Github](https://github.com/YangLaTeX/hitszthesis) | [Download](https://github.com/YangLaTeX/hitszthesis/releases) | [Wiki](https://github.com/YangLaTeX/hitszthesis/wiki) | [CTAN](https://www.ctan.org/pkg/hitszthesis)
+[GitHub](https://github.com/YangLaTeX/hitszthesis) | [Gitee](https://gitee.com/jingxuanyang/hitszthesis) | [GitLab](https://gitlab.com/jingxuanyang/hitszthesis) | [Wiki](https://github.com/YangLaTeX/hitszthesis/wiki) | [CTAN](https://www.ctan.org/pkg/hitszthesis)
 
 # Introduction to hitszthesis
 
-HITSZThesis is a **dissertation** LaTeX template for **Harbin Institute of Technology, ShenZhen** (HITSZ), including bachelor, master and doctor dissertations. Current version is 3.0.4, updated on 2020/03/13. Note that 3.x version is not compatible with 2.x version. Please join QQ group: 1039392552 to report issues.
+HITSZThesis is a **dissertation** LaTeX template for **Harbin Institute of Technology, ShenZhen** (HITSZ), including bachelor, master and doctor dissertations. Current version is 3.1, updated on 2020/05/25. Note that 3.x version is not compatible with 2.x version. Please join QQ group: 1039392552 to report issues.
 
 ```latex
   |- front
@@ -61,7 +61,7 @@ HITSZThesis is a **dissertation** LaTeX template for **Harbin Institute of Techn
 
 # hitszthesis 模板简介
 
-hitszthesis 是哈尔滨工业大学（深圳）本硕博学位论文模板，当前版本为3.0.4，更新于2020年3月13日。注意3.x版本不兼容2.x版本。请加入QQ群：1039392552反馈模板使用过程中遇到的问题。
+hitszthesis 是哈尔滨工业大学（深圳）本硕博学位论文模板，当前版本为3.1，更新于2020年5月25日。注意3.x版本不兼容2.x版本。请加入QQ群：1039392552反馈模板使用过程中遇到的问题。
 
 # Documentation
 
@@ -95,11 +95,15 @@ Typesetting examples:
 
 * Published version: [CTAN](https://www.ctan.org/pkg/hitszthesis)
 * Developer version: [GitHub](https://github.com/YangLaTeX/hitszthesis)
+* Developer version: [Gitee](https://gitee.com/jingxuanyang/hitszthesis)
+* Developer version: [GitLab](https://gitlab.com/jingxuanyang/hitszthesis)
 
 # 下载
 
 * 发布版本：[CTAN](https://www.ctan.org/pkg/hitszthesis)
 * 开发版本：[GitHub](https://github.com/YangLaTeX/hitszthesis)
+* 开发版本：[Gitee](https://gitee.com/jingxuanyang/hitszthesis)
+* 开发版本：[GitLab](https://gitlab.com/jingxuanyang/hitszthesis)
 
 # Updates（更新）
 
diff --git a/macros/latex/contrib/hitszthesis/front/coverinformation.tex b/macros/latex/contrib/hitszthesis/front/coverinformation.tex
index 93da0ba036..cca578358f 100644
--- a/macros/latex/contrib/hitszthesis/front/coverinformation.tex
+++ b/macros/latex/contrib/hitszthesis/front/coverinformation.tex
@@ -23,8 +23,8 @@
   ctitle={基于神经网络的机器人智能抓取研究},%放在原创性声明中使用
   csubtitle={一条副标题}, %一般情况没有，可以注释掉
   cxueke={工学},
-  % csubject={机械设计制造及其自动化},
-  csubject={机械工程},
+  csubject={机械设计制造及其自动化},
+  % csubject={机械工程},
   % caffil={机电工程与自动化学院},
   caffil={哈尔滨工业大学（深圳）},
   cauthor={杨敬轩},
@@ -32,7 +32,9 @@
   cassosupervisor={某某某 教授}, % 副指导老师
   % ccosupervisor={某某某 教授}, % 联合指导老师
   % 日期自动使用当前时间，若需指定按如下方式修改：
-  %cdate={超新星纪元},
+  cdate={2020年6月},
+  % 指定第二页封面的日期，即答辩日期
+  cdatesecond={2020年06月09日},
   cstudentid={SZ160310217},
   cstudenttype={同等学力人员}, %非全日制教育申请学位者
   %（同等学力人员）、（工程硕士）、（工商管理硕士）、
diff --git a/macros/latex/contrib/hitszthesis/main-bachelor.pdf b/macros/latex/contrib/hitszthesis/hitszthesis-bachelor.pdf
index f0840a8f8e..daa58b6795 100644
--- a/macros/latex/contrib/hitszthesis/main-bachelor.pdf
+++ b/macros/latex/contrib/hitszthesis/hitszthesis-bachelor.pdf
diff --git a/macros/latex/contrib/hitszthesis/main-doctor.pdf b/macros/latex/contrib/hitszthesis/hitszthesis-doctor.pdf
index ac53374d4f..ac53374d4f 100644
--- a/macros/latex/contrib/hitszthesis/main-doctor.pdf
+++ b/macros/latex/contrib/hitszthesis/hitszthesis-doctor.pdf
diff --git a/macros/latex/contrib/hitszthesis/main.tex b/macros/latex/contrib/hitszthesis/hitszthesis-example.tex
index a069993400..205cf33e01 100644
--- a/macros/latex/contrib/hitszthesis/main.tex
+++ b/macros/latex/contrib/hitszthesis/hitszthesis-example.tex
@@ -3,7 +3,7 @@
 % !TEX program  = XeLaTeX
 %%=============================================
 % 模板名称：hitszthesis
-% 模板版本：V3.0.4
+% 模板版本：V3.1
 % 模板作者：杨敬轩（Jingxuan Yang）
 % 联系作者：yangjingxuan@stu.hit.edu.cn & yanglatex2e@gmail.com
 % 模板交流：QQ群：1039392552，加群请备注LaTeX、hitszthesis相关说明
@@ -12,7 +12,7 @@
 %          GNU make 工具：make thesis
 %          Windows批处理脚本：双击 compile.bat 自动编译论文
 %          更多编译细节详见说明文档：hitszthesis.pdf
-% 更新时间：2020/03/12
+% 更新时间：2020/05/25
 % 模板帮助：请**务必务必务必**阅读 hitszthesis.pdf 说明文档，文档查看方法：
 %          cmd 命令行：texdoc hitszthesis
 %          推荐前往模板的 GitHub 仓库获取最新文件，地址：
@@ -20,9 +20,9 @@
 %%=============================================
 
 % 设置文档类别为 <hitszthesis>
-\documentclass[type=doctor]{hitszthesis}
+% \documentclass[type=doctor]{hitszthesis}
 % \documentclass[type=master]{hitszthesis}
-% \documentclass[type=bachelor,infoleft=true]{hitszthesis}
+\documentclass[type=bachelor,infoleft=true]{hitszthesis}
 
 % 模板提供以下选项，各个选项之间不要有空格
 % 1. type=bachelor|master|doctor
@@ -48,6 +48,8 @@
 %   含义：博士论文是否要求章节首页必须在奇数页，默认否（false）
 % 10. library=true|false
 %   含义：是否为提交到图书馆的电子版，默认否（false）
+% 11. alphappendix=true|false
+%   含义：本科毕业设计附录章节编号是否为大写字母，默认是（true）
 
 % 自定义设置与额外加载的宏包请写在 \file{hitszthesis.sty} 里
 \usepackage{hitszthesis}
@@ -107,64 +109,64 @@
 
 %%%% \begin{本科书序} %%%% 这是一个假的环境，本科请用这里的内容
 
-% % 结论
-% \input{back/conclusion}
+% 结论
+\input{back/conclusion}
 
-% % 参考文献
-% \bibliographystyle{hitszthesis}
-% \bibliography{reference}
+% 参考文献
+\bibliographystyle{hitszthesis}
+\bibliography{reference}
 
-% % 授权
-% \authorization
+% 授权
+\authorization
 
-% % 授权页为扫描的PDF文件（scan.pdf），与上面的命令互斥
-% % \authorization[scan.pdf]
+% 授权页为扫描的PDF文件（scan.pdf），与上面的命令互斥
+% \authorization[scan.pdf]
 
-% % 致谢
-% \input{back/acknowledgements}
+% 致谢
+\input{back/acknowledgements}
 
-% % 附录
-% \begin{appendix}
-%   \input{back/appendix01}
-%   \input{back/appendix02}
-%   \input{back/appendix03}
-% \end{appendix}
+% 附录
+\begin{appendix}
+  \input{back/appendix01}
+  \input{back/appendix02}
+  \input{back/appendix03}
+\end{appendix}
 
 %%%% \end{本科书序}
 
 
 %%%% \begin{硕博书序} %%%% 这是一个假的环境，硕、博请用这里的内容
 
-% 结论
-\input{back/conclusion}
+% % 结论
+% \input{back/conclusion}
 
-% 参考文献
-\bibliographystyle{hitszthesis}
-\bibliography{reference}
+% % 参考文献
+% \bibliographystyle{hitszthesis}
+% \bibliography{reference}
 
-% 附录
-\begin{appendix}
-  \input{back/appendixA.tex}
-  \input{back/appendixB.tex}
-\end{appendix}
+% % 附录
+% \begin{appendix}
+%   \input{back/appendixA.tex}
+%   \input{back/appendixB.tex}
+% \end{appendix}
 
-% 发表文章
-\input{back/publications}
+% % 发表文章
+% \input{back/publications}
 
-% 索引
-% \input{back/ceindex}
+% % 索引
+% % \input{back/ceindex}
 
-% 授权
-\authorization
+% % 授权
+% \authorization
 
-% 授权页为扫描的PDF文件（scan.pdf），与上面的命令互斥
-% \authorization[scan.pdf]
+% % 授权页为扫描的PDF文件（scan.pdf），与上面的命令互斥
+% % \authorization[scan.pdf]
 
-% 致谢
-\input{back/acknowledgements}
+% % 致谢
+% \input{back/acknowledgements}
 
-% 个人简介
-\input{back/resume}
+% % 个人简介
+% \input{back/resume}
 
 %%%% \end{硕博书序}
 
diff --git a/macros/latex/contrib/hitszthesis/main-master.pdf b/macros/latex/contrib/hitszthesis/hitszthesis-master.pdf
index fad23a367a..fad23a367a 100644
--- a/macros/latex/contrib/hitszthesis/main-master.pdf
+++ b/macros/latex/contrib/hitszthesis/hitszthesis-master.pdf
diff --git a/macros/latex/contrib/hitszthesis/hitszthesis.dtx b/macros/latex/contrib/hitszthesis/hitszthesis.dtx
index 0d615ac584..918854628b 100644
--- a/macros/latex/contrib/hitszthesis/hitszthesis.dtx
+++ b/macros/latex/contrib/hitszthesis/hitszthesis.dtx
@@ -16,7 +16,7 @@
 %
 % \iffalse
 %<*driver>
-\ProvidesFile{hitszthesis.dtx}[2020/03/13 3.0.4 Dissertation Template for Harbin Institute of Technology, ShenZhen (HITSZ)]
+\ProvidesFile{hitszthesis.dtx}[2020/05/25 3.1 Dissertation Template for Harbin Institute of Technology, ShenZhen (HITSZ)]
 \documentclass{ltxdoc}
 \usepackage{dtx-style}
 
@@ -932,7 +932,7 @@
 %<cls>\NeedsTeXFormat{LaTeX2e}[1999/12/01]
 %<cls>\ProvidesClass{hitszthesis}
 %<cfg>\ProvidesFile{hitszthesis.cfg}
-%<cls|cfg>[2020/03/13 3.0.4 Dissertation Template for Harbin Institute of Technology, ShenZhen (HITSZ)]
+%<cls|cfg>[2020/05/25 3.1 Dissertation Template for Harbin Institute of Technology, ShenZhen (HITSZ)]
 %    \end{macrocode}
 %
 % \subsection{定义选项}
@@ -1072,6 +1072,11 @@
 \DeclareBoolOption[true]{absupper}
 %    \end{macrocode}
 %
+% 本科附录章节编号是否为大写字母
+%    \begin{macrocode}
+\DeclareBoolOption[true]{alphappendix}
+%    \end{macrocode}
+%
 %    此处添加控制本科论文的页码横线选项
 %    \begin{macrocode}
 \DeclareBoolOption[true]{bsmainpagenumberline}
@@ -2327,17 +2332,18 @@ delim_1 "\\hspace*{\\fill}"
 \hitsz@def@term{natclassifiedindex}  %国内图书分类号
 \hitsz@def@term{intclassifiedindex}  %国际图书分类号
 
-\hitsz@def@term{ctitlecover} %中文标题封面
-\hitsz@def@term{ctitle} %中文标题
-\hitsz@def@term{csubtitle} %中文副标题
-\hitsz@def@term{cxueke} %中文学科
-\hitsz@def@term{cauthor} %中文作者
-\hitsz@def@term{csupervisor} %中文导师
-\hitsz@def@term{cassosupervisor} %中文副导师
-\hitsz@def@term{ccosupervisor}%中文联合导师
-\hitsz@def@term{caffil}%中文院系
-\hitsz@def@term{csubject}%中文专业
-\hitsz@def@term{cdate}
+\hitsz@def@term{ctitlecover} % 中文标题封面
+\hitsz@def@term{ctitle} % 中文标题
+\hitsz@def@term{csubtitle} % 中文副标题
+\hitsz@def@term{cxueke} % 中文学科
+\hitsz@def@term{cauthor} % 中文作者
+\hitsz@def@term{csupervisor} % 中文导师
+\hitsz@def@term{cassosupervisor} % 中文副导师
+\hitsz@def@term{ccosupervisor} % 中文联合导师
+\hitsz@def@term{caffil} % 中文院系
+\hitsz@def@term{csubject} % 中文专业
+\hitsz@def@term{cdate} % 封面日期指定
+\hitsz@def@term{cdatesecond} % 第二页日期指定
 
 \hitsz@def@term{cstudentid}%
 \hitsz@def@term{cstudenttype}%
@@ -2646,7 +2652,7 @@ delim_1 "\\hspace*{\\fill}"
             {\hitsz@put@title{\hitsz@bachelor@csupervisortitle}} &
               \underline{\makebox[\infowidth][l]{\hspace*{1em}\songti\textbf{\hitsz@csupervisor}}}\\
             {\hitsz@put@title{\hitsz@cdatetitle}} &
-              \underline{\makebox[\infowidth][l]{\hspace*{1em}\songti\textbf{\CJK@todaysmall}}}
+              \underline{\makebox[\infowidth][l]{\hspace*{1em}\songti\textbf{\hitsz@cdatesecond}}}
           \end{tabular}
         \else
           \begin{tabular}{l@{\ \  }c}
@@ -2663,7 +2669,7 @@ delim_1 "\\hspace*{\\fill}"
             {\hitsz@put@title{\hitsz@bachelor@csupervisortitle}} &
               \underline{\makebox[\infowidth]{\songti\textbf{\hitsz@csupervisor}}}\\
             {\hitsz@put@title{\hitsz@cdatetitle}} &
-              \underline{\makebox[\infowidth]{\songti\textbf{\CJK@todaysmall}}}
+              \underline{\makebox[\infowidth]{\songti\textbf{\hitsz@cdatesecond}}}
           \end{tabular}
         \fi
       \renewcommand{\arraystretch}{1}
@@ -3033,19 +3039,35 @@ delim_1 "\\hspace*{\\fill}"
 % 目录中附录的章号格式。
 %    \begin{macrocode}
 \ctexset{%
-  appendix/number=\ifhitsz@bachelor\arabic{chapter}\else\Alph{chapter}\fi,
+  appendix/number=\ifhitsz@bachelor%
+                    \ifhitsz@alphappendix%
+                      \Alph{chapter}%
+                    \else%
+                      \arabic{chapter}%
+                    \fi%
+                  \else%
+                    \Alph{chapter}%
+                  \fi,%
 }
 %    \end{macrocode}
 %
 % 设置附录、结论、参考文献等格式。
+% \changes{v3.1}{2020/05/25}{Add support to Alph abstract title for bachelor thesis}
 %    \begin{macrocode}
 \let\hitsz@appendix\appendix
 \renewenvironment{appendix}{%
-  \let\title\hitsz@appendix@title
-  \hitsz@appendix
-  \ifhitsz@bachelor\renewcommand{\thechapter}{\arabic{chapter}}\fi
+  \let\title\hitsz@appendix@title%
+  \hitsz@appendix%
+  \ifhitsz@bachelor%
+    \ifhitsz@alphappendix%
+      \renewcommand{\thechapter}{\Alph{chapter}}%
+    \else%
+      \renewcommand{\thechapter}{\arabic{chapter}}%
+    \fi%
+  \fi%
   }{%
-  \let\title\@gobble}
+  \let\title\@gobble%
+}
 \let\title\@gobble
 \newcommand{\hitsz@appendix@title}[1]{%
   \begin{center}
diff --git a/macros/latex/contrib/hitszthesis/hitszthesis.pdf b/macros/latex/contrib/hitszthesis/hitszthesis.pdf
index 89626c38e4..6d507c2540 100644
--- a/macros/latex/contrib/hitszthesis/hitszthesis.pdf
+++ b/macros/latex/contrib/hitszthesis/hitszthesis.pdf
diff --git a/macros/latex/contrib/reledmac/README b/macros/latex/contrib/reledmac/README
deleted file mode 100644
index 19491b5d3e..0000000000
--- a/macros/latex/contrib/reledmac/README
+++ /dev/null
@@ -1,135 +0,0 @@
-Overview
-========
-
-The reledmac package is for typesetting critical editions. The reledpar
-package is an extension of reledmac enabling parallel typesetting in
-columns or on facing pages.
-
-Reledmac and reledpar are successors of eledmac and eledpar, which were
-successor of ledmac and ledpar. Ledmac was a LaTeX port, and extension,
-of the plain TeX EDMAC, TABMAC and EDSTANZA macros.
-
-The package is available on [CTAN](http://www.ctan.org/pkg/reledmac).
-
-Copyright and Licence
-=====================
-
-Authors
--------
-
--   Peter Wilson (Herries Press) herries dot press at earthlink dot net,
--   Maïeul Rouquette (new maintainer since june 2011)
-
-Copyright
----------
-
--   Copyright 2003 --- 2005 Peter R. Wilson
--   Copyright 2011 --- .. Maïeul Rouquette
-
-Licence
--------
-
-This work may be distributed and/or modified under the conditions of the
-LaTeX Project Public License, either version 1.3 of this license or (at
-your option) any later version.
-
-The latest version of the license is in
-<http://www.latex-project.org/lppl.txt> and version 1.3 or later is part
-of all distributions of LaTeX version 2003/06/01 or later.
-
-This work has the LPPL maintenance status "maintained".
-
-This work consists of the files:
-
--   README (this file),
--   reledmac.dtx,
--   reledmac.ins,
--   reledpar.dtx,
--   reledpar.ins,
-
-and the derived files:
-
--   reledmac.sty,
--   reledpar.sty,
--   reledmac.pdf, (200+ pages)
--   reledpar.pdf, (100+ pages)
-
-The distribution consists of the following files:
-
--   README (this file)
--   reledmac.dtx
--   reledmac.ins
--   reledmac.pdf
--   reledpar.dtx
--   reledpar.ins
--   reledpar.pdf
--   makefile
--   latexmrc
--   examples/
-    -   \*.tex
-    -   \*.pdf
-    -   makefile
-
-Installation
-============
-
--   run: `latex reledmac.ins` (which will generate `reledmac.sty`) and
-    `latex reledpar.ins` (which will generate `reledmac.sty`)
--   move `reledmac.sty` and `reledpar.sty` to a location where LaTeX
-    will find it (for more information on this see the FAQ).
-
-To generate a second copy of the manual (which is already supplied as a
-PDF file):
-
--   run: `make reledmac.pdf && make reledpar.pdf`
-
-Help
-====
-
--   [Users list](http://geekographie.maieul.net/146)
--   [StackExchange](https://tex.stackexchange.com/questions/tagged/reledmac),
-    see also the older tags
-    (https://tex.stackexchange.com/questions/tagged/eledmac) and
-    (https://tex.stackexchange.com/questions/tagged/ledmac)
-
-Debug and feature requests
-==========================
-
-Suggestions and bug reports are welcome.
-
-Maïeul Rouquette is the only one maintainer. To help him in his work,
-please follow these rules:
-
--   Go to the [issues page](https://github.com/maieul/ledmac/issues).
--   Open *one issue for each problem*, even if problems are similar.
--   You can write in English, or better in French if it is your native
-    language.
--   Add a [minimal working
-    example](http://www.tex.ac.uk/cgi-bin/texfaq2html?label=minxampl).
--   If your report is really a bug, Maïeul Rouquette will open a
-    "branch" to solve your problem. This branch will be called
-    "issueXXX", where "XXX" is the issue number.
--   Once the problem has a possible solution, Maïeul Rouquette will ask
-    you to test the new branch:
-    -   Download the zip file of the branch (or, if you know Git, go to
-        the branch there):
-        -   Go to [the project page](https://github.com/maieul/ledmac/).
-        -   Choose the correct branch in the "branch" menu.
-        -   Choose "Download zip" in the "Clone or download" menu, on
-            the right side.
-        -   Unzip the file
-    -   Run the `.ins` files with pdflatex, to obtain the `.sty` files.
-    -   Put the `.sty` files with your test files (in the same folder).
-    -   Look on file issueXXX.tex get a MWE of the new feature.
-    -   Make your report.
-
-Bibliography
-============
-
-We maintain two collaborative bibliographies:
-
--   [Critical Editions Typeset with EDMAC, LEDMAC and
-    eLEDMAC](https://www.zotero.org/groups/209265/)
--   [Articles and books about
-    (r)(e)(l)edmac](https://www.zotero.org/groups/1024519/)
-
diff --git a/macros/latex/contrib/reledmac/README.md b/macros/latex/contrib/reledmac/README.md
new file mode 100644
index 0000000000..4abb2fcf12
--- /dev/null
+++ b/macros/latex/contrib/reledmac/README.md
@@ -0,0 +1,106 @@
+# Overview
+
+The reledmac package is for typesetting critical editions.  The reledpar package is an extension of reledmac enabling parallel typesetting in columns or on facing pages.
+
+Reledmac and reledpar are successors of eledmac and eledpar, which were successor of ledmac and ledpar.
+Ledmac was a LaTeX port, and extension, of the plain TeX EDMAC, TABMAC and EDSTANZA macros.
+
+The package is available on [CTAN](http://www.ctan.org/pkg/reledmac).
+
+# Copyright and Licence
+
+## Authors
+- Peter Wilson (Herries Press) herries dot press at earthlink dot net,
+- Maïeul Rouquette (new maintainer since june 2011)
+
+## Copyright
+- Copyright 2003 --- 2005 Peter R. Wilson
+- Copyright 2011 --- .. Maïeul Rouquette
+
+## Licence
+This work may be distributed and/or modified under the conditions of the LaTeX Project Public License, either version 1.3 of this license or (at your option) any later version.
+
+The latest version of the license is in [http://www.latex-project.org/lppl.txt](http://www.latex-project.org/lppl.txt) and version 1.3 or later is part of all distributions of LaTeX version 2003/06/01 or later.
+
+This work has the LPPL maintenance status "maintained".
+
+This work consists of the files:
+
+- README (this file),
+- reledmac.dtx,
+- reledmac.ins,
+- reledpar.dtx,
+- reledpar.ins,
+
+and the derived files:
+
+- reledmac.sty,
+- reledpar.sty,
+- reledmac.pdf,  (200+ pages)
+- reledpar.pdf,  (100+ pages)
+
+
+The distribution consists of the following files:
+
+- README (this file)
+- reledmac.dtx
+- reledmac.ins
+- reledmac.pdf
+- reledpar.dtx
+- reledpar.ins
+- reledpar.pdf
+- makefile
+- latexmrc
+- examples/
+	- *.tex
+	- *.pdf
+	- makefile
+
+# Installation
+
+- run: `latex reledmac.ins` (which will generate `reledmac.sty`) and `latex reledpar.ins` (which will generate `reledmac.sty`)
+- move `reledmac.sty` and `reledpar.sty` to a location where LaTeX will find it (for more information on this see the FAQ).
+
+To generate a second copy of the manual (which is already supplied as a PDF file):
+
+- run: `make reledmac.pdf && make reledpar.pdf`
+
+# Help
+
+- [Users list](http://geekographie.maieul.net/146)
+- [StackExchange](https://tex.stackexchange.com/questions/tagged/reledmac), see also the older tags 
+    (https://tex.stackexchange.com/questions/tagged/eledmac) and (https://tex.stackexchange.com/questions/tagged/ledmac)
+
+# Debug and feature requests
+
+Suggestions and bug reports are welcome.
+
+Maïeul Rouquette is the only one maintainer. To help him in his work, please follow these rules:
+
+- Go to the [issues page](https://github.com/maieul/ledmac/issues).
+- Open *one issue for each problem*, even if problems are similar.
+- You can write in English, or better in French if it is your native language.
+- Add a [minimal working example](http://www.tex.ac.uk/cgi-bin/texfaq2html?label=minxampl).
+- If your report is really a bug, Maïeul Rouquette will open a "branch" to solve your problem. This branch will be called "issueXXX", where "XXX" is the issue number.
+- Once the problem has a possible solution, Maïeul Rouquette will ask you to test the new branch:
+	- Download the zip file of the branch (or, if you know Git, go to the branch there):
+		- Go to [the project page](https://github.com/maieul/ledmac/).
+		- Choose the correct branch in the "branch" menu.
+		- Choose "Download zip" in the "Clone or download" menu, on the right side.
+		- Unzip the file
+	- Run the `.ins` files with pdflatex, to obtain the `.sty` files.
+	- Put the `.sty` files with your test files (in the same folder).
+	- Look on file issueXXX.tex get a MWE of the new feature.
+	- Make your report.
+
+# Bibliography
+
+We maintain two collaborative bibliographies:
+
+- [Critical Editions Typeset with EDMAC, LEDMAC and eLEDMAC](https://www.zotero.org/groups/209265/)
+- [Articles and books about (r)(e)(l)edmac](https://www.zotero.org/groups/1024519/)
+
+
+
+
+
diff --git a/macros/latex/contrib/reledmac/doc-more/page-typesetting-columns.pdf b/macros/latex/contrib/reledmac/doc-more/page-typesetting-columns.pdf
index be0c0a4c51..dc6a51a5d9 100644
--- a/macros/latex/contrib/reledmac/doc-more/page-typesetting-columns.pdf
+++ b/macros/latex/contrib/reledmac/doc-more/page-typesetting-columns.pdf
diff --git a/macros/latex/contrib/reledmac/examples/1-criticalendnotes.pdf b/macros/latex/contrib/reledmac/examples/1-criticalendnotes.pdf
index cc14357519..f9771ae072 100644
--- a/macros/latex/contrib/reledmac/examples/1-criticalendnotes.pdf
+++ b/macros/latex/contrib/reledmac/examples/1-criticalendnotes.pdf
diff --git a/macros/latex/contrib/reledmac/examples/1-criticalnotes.pdf b/macros/latex/contrib/reledmac/examples/1-criticalnotes.pdf
index f426e46519..d12c397b82 100644
--- a/macros/latex/contrib/reledmac/examples/1-criticalnotes.pdf
+++ b/macros/latex/contrib/reledmac/examples/1-criticalnotes.pdf
diff --git a/macros/latex/contrib/reledmac/examples/1-sidenotes.pdf b/macros/latex/contrib/reledmac/examples/1-sidenotes.pdf
index 2f406ad2f9..b2e0bb4627 100644
--- a/macros/latex/contrib/reledmac/examples/1-sidenotes.pdf
+++ b/macros/latex/contrib/reledmac/examples/1-sidenotes.pdf
diff --git a/macros/latex/contrib/reledmac/examples/1-tabular.pdf b/macros/latex/contrib/reledmac/examples/1-tabular.pdf
index 005cbb4063..37aa73b06b 100644
--- a/macros/latex/contrib/reledmac/examples/1-tabular.pdf
+++ b/macros/latex/contrib/reledmac/examples/1-tabular.pdf
diff --git a/macros/latex/contrib/reledmac/examples/1-verses-doublenumbering.pdf b/macros/latex/contrib/reledmac/examples/1-verses-doublenumbering.pdf
index e78280ae2f..ebe04af48f 100644
--- a/macros/latex/contrib/reledmac/examples/1-verses-doublenumbering.pdf
+++ b/macros/latex/contrib/reledmac/examples/1-verses-doublenumbering.pdf
diff --git a/macros/latex/contrib/reledmac/examples/1-verses.pdf b/macros/latex/contrib/reledmac/examples/1-verses.pdf
index cba4149a9a..8cc2ada791 100644
--- a/macros/latex/contrib/reledmac/examples/1-verses.pdf
+++ b/macros/latex/contrib/reledmac/examples/1-verses.pdf
diff --git a/macros/latex/contrib/reledmac/examples/2-cross_referencing.pdf b/macros/latex/contrib/reledmac/examples/2-cross_referencing.pdf
index 43a4d38655..f59f0bca02 100644
--- a/macros/latex/contrib/reledmac/examples/2-cross_referencing.pdf
+++ b/macros/latex/contrib/reledmac/examples/2-cross_referencing.pdf
diff --git a/macros/latex/contrib/reledmac/examples/2-footnote_spacing.pdf b/macros/latex/contrib/reledmac/examples/2-footnote_spacing.pdf
index 57964276e4..50391654ab 100644
--- a/macros/latex/contrib/reledmac/examples/2-footnote_spacing.pdf
+++ b/macros/latex/contrib/reledmac/examples/2-footnote_spacing.pdf
diff --git a/macros/latex/contrib/reledmac/examples/2-glossaries.pdf b/macros/latex/contrib/reledmac/examples/2-glossaries.pdf
index 402216df1d..1e3445c3bd 100644
--- a/macros/latex/contrib/reledmac/examples/2-glossaries.pdf
+++ b/macros/latex/contrib/reledmac/examples/2-glossaries.pdf
diff --git a/macros/latex/contrib/reledmac/examples/2-indexing.pdf b/macros/latex/contrib/reledmac/examples/2-indexing.pdf
index ffee0f5dbf..4981b5163b 100644
--- a/macros/latex/contrib/reledmac/examples/2-indexing.pdf
+++ b/macros/latex/contrib/reledmac/examples/2-indexing.pdf
diff --git a/macros/latex/contrib/reledmac/examples/2-lemma_disambigution.pdf b/macros/latex/contrib/reledmac/examples/2-lemma_disambigution.pdf
index 6fe99c3c6a..74c679e41c 100644
--- a/macros/latex/contrib/reledmac/examples/2-lemma_disambigution.pdf
+++ b/macros/latex/contrib/reledmac/examples/2-lemma_disambigution.pdf
diff --git a/macros/latex/contrib/reledmac/examples/2-line_numbers_in_header.pdf b/macros/latex/contrib/reledmac/examples/2-line_numbers_in_header.pdf
index c37aae78d2..2b1f403e27 100644
--- a/macros/latex/contrib/reledmac/examples/2-line_numbers_in_header.pdf
+++ b/macros/latex/contrib/reledmac/examples/2-line_numbers_in_header.pdf
diff --git a/macros/latex/contrib/reledmac/examples/2-linespacing.pdf b/macros/latex/contrib/reledmac/examples/2-linespacing.pdf
index 5d0cdcaff5..295c8884bb 100644
--- a/macros/latex/contrib/reledmac/examples/2-linespacing.pdf
+++ b/macros/latex/contrib/reledmac/examples/2-linespacing.pdf
diff --git a/macros/latex/contrib/reledmac/examples/2-manuscript-apparatus.pdf b/macros/latex/contrib/reledmac/examples/2-manuscript-apparatus.pdf
index 625d480335..11c2f93e6c 100644
--- a/macros/latex/contrib/reledmac/examples/2-manuscript-apparatus.pdf
+++ b/macros/latex/contrib/reledmac/examples/2-manuscript-apparatus.pdf
diff --git a/macros/latex/contrib/reledmac/examples/2-notes-width.pdf b/macros/latex/contrib/reledmac/examples/2-notes-width.pdf
index ccff976090..924ef53ac7 100644
--- a/macros/latex/contrib/reledmac/examples/2-notes-width.pdf
+++ b/macros/latex/contrib/reledmac/examples/2-notes-width.pdf
diff --git a/macros/latex/contrib/reledmac/examples/2-one_series_per_pstart.pdf b/macros/latex/contrib/reledmac/examples/2-one_series_per_pstart.pdf
index 544fc8a7d2..f6d8bb17b2 100644
--- a/macros/latex/contrib/reledmac/examples/2-one_series_per_pstart.pdf
+++ b/macros/latex/contrib/reledmac/examples/2-one_series_per_pstart.pdf
diff --git a/macros/latex/contrib/reledmac/examples/2-performances.pdf b/macros/latex/contrib/reledmac/examples/2-performances.pdf
index fe8af3ddff..3b4b87a531 100644
--- a/macros/latex/contrib/reledmac/examples/2-performances.pdf
+++ b/macros/latex/contrib/reledmac/examples/2-performances.pdf
diff --git a/macros/latex/contrib/reledmac/examples/2-reledmac-right-to-left.pdf b/macros/latex/contrib/reledmac/examples/2-reledmac-right-to-left.pdf
index 5b2096deb0..6bfceadfac 100644
--- a/macros/latex/contrib/reledmac/examples/2-reledmac-right-to-left.pdf
+++ b/macros/latex/contrib/reledmac/examples/2-reledmac-right-to-left.pdf
diff --git a/macros/latex/contrib/reledmac/examples/2-subdivision-number-in-header.pdf b/macros/latex/contrib/reledmac/examples/2-subdivision-number-in-header.pdf
index 284a8a1e5a..de365b3513 100644
--- a/macros/latex/contrib/reledmac/examples/2-subdivision-number-in-header.pdf
+++ b/macros/latex/contrib/reledmac/examples/2-subdivision-number-in-header.pdf
diff --git a/macros/latex/contrib/reledmac/examples/2-titles_in_line_numbering_with_notes.pdf b/macros/latex/contrib/reledmac/examples/2-titles_in_line_numbering_with_notes.pdf
index 95bd7622cb..939a78313e 100644
--- a/macros/latex/contrib/reledmac/examples/2-titles_in_line_numbering_with_notes.pdf
+++ b/macros/latex/contrib/reledmac/examples/2-titles_in_line_numbering_with_notes.pdf
diff --git a/macros/latex/contrib/reledmac/examples/2-titles_not_in_line_numbering.pdf b/macros/latex/contrib/reledmac/examples/2-titles_not_in_line_numbering.pdf
index 0d3e6f7e16..3a0c908903 100644
--- a/macros/latex/contrib/reledmac/examples/2-titles_not_in_line_numbering.pdf
+++ b/macros/latex/contrib/reledmac/examples/2-titles_not_in_line_numbering.pdf
diff --git a/macros/latex/contrib/reledmac/examples/3-reledpar_columns_different_languages.pdf b/macros/latex/contrib/reledmac/examples/3-reledpar_columns_different_languages.pdf
index 323628e30b..7d312490b8 100644
--- a/macros/latex/contrib/reledmac/examples/3-reledpar_columns_different_languages.pdf
+++ b/macros/latex/contrib/reledmac/examples/3-reledpar_columns_different_languages.pdf
diff --git a/macros/latex/contrib/reledmac/examples/3-reledpar_mwe.pdf b/macros/latex/contrib/reledmac/examples/3-reledpar_mwe.pdf
index f014ed15ad..dc4a7f0d62 100644
--- a/macros/latex/contrib/reledmac/examples/3-reledpar_mwe.pdf
+++ b/macros/latex/contrib/reledmac/examples/3-reledpar_mwe.pdf
diff --git a/macros/latex/contrib/reledmac/examples/3-reledpar_pages_different_languages_lualatex.pdf b/macros/latex/contrib/reledmac/examples/3-reledpar_pages_different_languages_lualatex.pdf
index 16c3b73766..17fababeee 100644
--- a/macros/latex/contrib/reledmac/examples/3-reledpar_pages_different_languages_lualatex.pdf
+++ b/macros/latex/contrib/reledmac/examples/3-reledpar_pages_different_languages_lualatex.pdf
diff --git a/macros/latex/contrib/reledmac/examples/3-reledpar_same_page_number_in_both_side.pdf b/macros/latex/contrib/reledmac/examples/3-reledpar_same_page_number_in_both_side.pdf
index a011c87b87..b2acab194b 100644
--- a/macros/latex/contrib/reledmac/examples/3-reledpar_same_page_number_in_both_side.pdf
+++ b/macros/latex/contrib/reledmac/examples/3-reledpar_same_page_number_in_both_side.pdf
diff --git a/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_advancedshifted-nomax.pdf b/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_advancedshifted-nomax.pdf
index 29a52ebe6e..d974063be6 100644
--- a/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_advancedshifted-nomax.pdf
+++ b/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_advancedshifted-nomax.pdf
diff --git a/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_advancedshifted.pdf b/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_advancedshifted.pdf
index 53fdf089ee..ac531298a1 100644
--- a/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_advancedshifted.pdf
+++ b/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_advancedshifted.pdf
diff --git a/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_default.pdf b/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_default.pdf
index b357f9b772..8e0223489a 100644
--- a/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_default.pdf
+++ b/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_default.pdf
diff --git a/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_nomax-shifted.pdf b/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_nomax-shifted.pdf
index 6f10f9af49..b9fbe0622d 100644
--- a/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_nomax-shifted.pdf
+++ b/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_nomax-shifted.pdf
diff --git a/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_nomax.pdf b/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_nomax.pdf
index 31e950a05c..2eb0b827a4 100644
--- a/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_nomax.pdf
+++ b/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_nomax.pdf
diff --git a/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_nosync.pdf b/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_nosync.pdf
index 2c405eff8f..d6576fa659 100644
--- a/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_nosync.pdf
+++ b/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_nosync.pdf
diff --git a/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_shifted.pdf b/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_shifted.pdf
index 71b8e778e5..bc787da6d0 100644
--- a/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_shifted.pdf
+++ b/macros/latex/contrib/reledmac/examples/3-reledpar_sync_setting_shifted.pdf
diff --git a/macros/latex/contrib/reledmac/examples/4-reledpar_column_mix_with_not_column-continuous-numbering.pdf b/macros/latex/contrib/reledmac/examples/4-reledpar_column_mix_with_not_column-continuous-numbering.pdf
index db4d5edd86..266d7a5518 100644
--- a/macros/latex/contrib/reledmac/examples/4-reledpar_column_mix_with_not_column-continuous-numbering.pdf
+++ b/macros/latex/contrib/reledmac/examples/4-reledpar_column_mix_with_not_column-continuous-numbering.pdf
diff --git a/macros/latex/contrib/reledmac/examples/4-reledpar_column_mix_with_not_column.pdf b/macros/latex/contrib/reledmac/examples/4-reledpar_column_mix_with_not_column.pdf
index 6cfb526f37..79355f46ad 100644
--- a/macros/latex/contrib/reledmac/examples/4-reledpar_column_mix_with_not_column.pdf
+++ b/macros/latex/contrib/reledmac/examples/4-reledpar_column_mix_with_not_column.pdf
diff --git a/macros/latex/contrib/reledmac/examples/4-reledpar_columns_alignment.pdf b/macros/latex/contrib/reledmac/examples/4-reledpar_columns_alignment.pdf
index 93045f4902..d2965b46d8 100644
--- a/macros/latex/contrib/reledmac/examples/4-reledpar_columns_alignment.pdf
+++ b/macros/latex/contrib/reledmac/examples/4-reledpar_columns_alignment.pdf
diff --git a/macros/latex/contrib/reledmac/examples/4-reledpar_columns_titles_in_line_numbering_with_notes.pdf b/macros/latex/contrib/reledmac/examples/4-reledpar_columns_titles_in_line_numbering_with_notes.pdf
index 884850350c..db408ff1c3 100644
--- a/macros/latex/contrib/reledmac/examples/4-reledpar_columns_titles_in_line_numbering_with_notes.pdf
+++ b/macros/latex/contrib/reledmac/examples/4-reledpar_columns_titles_in_line_numbering_with_notes.pdf
diff --git a/macros/latex/contrib/reledmac/examples/4-reledpar_inside-outside-columns.pdf b/macros/latex/contrib/reledmac/examples/4-reledpar_inside-outside-columns.pdf
index f8e2e7a285..3ae61cfab2 100644
--- a/macros/latex/contrib/reledmac/examples/4-reledpar_inside-outside-columns.pdf
+++ b/macros/latex/contrib/reledmac/examples/4-reledpar_inside-outside-columns.pdf
diff --git a/macros/latex/contrib/reledmac/examples/4-reledpar_one_series_per_pstart.pdf b/macros/latex/contrib/reledmac/examples/4-reledpar_one_series_per_pstart.pdf
index c8759eeb8e..33ec708a95 100644
--- a/macros/latex/contrib/reledmac/examples/4-reledpar_one_series_per_pstart.pdf
+++ b/macros/latex/contrib/reledmac/examples/4-reledpar_one_series_per_pstart.pdf
diff --git a/macros/latex/contrib/reledmac/examples/4-reledpar_pages_long_notes.pdf b/macros/latex/contrib/reledmac/examples/4-reledpar_pages_long_notes.pdf
index 77417feb1c..99f8dcd0d4 100644
--- a/macros/latex/contrib/reledmac/examples/4-reledpar_pages_long_notes.pdf
+++ b/macros/latex/contrib/reledmac/examples/4-reledpar_pages_long_notes.pdf
diff --git a/macros/latex/contrib/reledmac/examples/4-reledpar_pages_notes_leftpage.pdf b/macros/latex/contrib/reledmac/examples/4-reledpar_pages_notes_leftpage.pdf
index 2ced3bbfe3..6c271d9f0a 100644
--- a/macros/latex/contrib/reledmac/examples/4-reledpar_pages_notes_leftpage.pdf
+++ b/macros/latex/contrib/reledmac/examples/4-reledpar_pages_notes_leftpage.pdf
diff --git a/macros/latex/contrib/reledmac/examples/4-reledpar_pages_paragraph_separator_between.pdf b/macros/latex/contrib/reledmac/examples/4-reledpar_pages_paragraph_separator_between.pdf
index f9270fdcbb..e5dd10e1d4 100644
--- a/macros/latex/contrib/reledmac/examples/4-reledpar_pages_paragraph_separator_between.pdf
+++ b/macros/latex/contrib/reledmac/examples/4-reledpar_pages_paragraph_separator_between.pdf
diff --git a/macros/latex/contrib/reledmac/examples/4-reledpar_pages_titles_in_line_numbering_with_notes.pdf b/macros/latex/contrib/reledmac/examples/4-reledpar_pages_titles_in_line_numbering_with_notes.pdf
index dc6cd965b9..11a42f9f20 100644
--- a/macros/latex/contrib/reledmac/examples/4-reledpar_pages_titles_in_line_numbering_with_notes.pdf
+++ b/macros/latex/contrib/reledmac/examples/4-reledpar_pages_titles_in_line_numbering_with_notes.pdf
diff --git a/macros/latex/contrib/reledmac/examples/4-reledpar_titles_not_in_line_numbering.pdf b/macros/latex/contrib/reledmac/examples/4-reledpar_titles_not_in_line_numbering.pdf
index 51ce6a016e..31525237b5 100644
--- a/macros/latex/contrib/reledmac/examples/4-reledpar_titles_not_in_line_numbering.pdf
+++ b/macros/latex/contrib/reledmac/examples/4-reledpar_titles_not_in_line_numbering.pdf
diff --git a/macros/latex/contrib/reledmac/examples/4-reledpar_verse_text_between.pdf b/macros/latex/contrib/reledmac/examples/4-reledpar_verse_text_between.pdf
index 2717b023b5..e78443b39c 100644
--- a/macros/latex/contrib/reledmac/examples/4-reledpar_verse_text_between.pdf
+++ b/macros/latex/contrib/reledmac/examples/4-reledpar_verse_text_between.pdf
diff --git a/macros/latex/contrib/reledmac/migration.pdf b/macros/latex/contrib/reledmac/migration.pdf
index 2e3b040973..f94e8e176d 100644
--- a/macros/latex/contrib/reledmac/migration.pdf
+++ b/macros/latex/contrib/reledmac/migration.pdf
diff --git a/macros/latex/contrib/reledmac/reledmac.dtx b/macros/latex/contrib/reledmac/reledmac.dtx
index c7275b5af6..1596d4231e 100644
--- a/macros/latex/contrib/reledmac/reledmac.dtx
+++ b/macros/latex/contrib/reledmac/reledmac.dtx
@@ -551,6 +551,7 @@
 % \changes{v2.32.7}{2020/05/03}{Fix bug with \protect\cs{parafootsepX}.}
 % \changes{v2.32.7}{2020/05/03}{Fix bug with \protect\cs{lineation}\arg{pstart} and \protect\cs{edtext} in the very first line of a \protect\cs{pstart}.}
 % \changes{v2.32.7}{2020/05/03}{Fix spurious spaces at the very first line of \protect\env{edtabular} environnments.}
+% \changes{v2.32.8}{2020/05/24}{Add subline number in manuscript apparatus.}
 %      Typeset scholarly editions with \LaTeX\thanks{This file (\dtxfilename)
 % has version number \fileversion, last revised \filedate.}}
 %
@@ -1211,8 +1212,8 @@
 % or sub-line depending on what it started out as, even if it
 % changes in the middle.
 %
-% \DescribeMacro{Xsublinesep}
-% \DescribeMacro{Xsublinesepside}
+% \DescribeMacro{\Xsublinesep}
+% \DescribeMacro{\Xsublinesepside}
 % You can change the separator between the line number and the subline number either by using \cs{Xsublinesep} without any optional argument (\reff{Xsublinesep}) or by using \cs{Xsublinesepside}. In the second case, it will change the separator only for line numbers in the margins, not in the footnotes.
 % \subsubsection{Locking lineation}\label{startlock}
 % \DescribeMacro{\startlock}
@@ -1619,8 +1620,8 @@
 % start with the page number where they are called.
 %
 % \paragraph{Code between endnotes}
-% \DescribeMacro{toendnotes}
-% \DescribeMacro{Xtoendnotes}
+% \DescribeMacro{\toendnotes}
+% \DescribeMacro{\Xtoendnotes}
 % Sometimes, it is useful to insert content between endnotes of the same series: for example to separate endnotes of different sections of the same text.
 % In this case, you could use \emph{inside
 % numbered text} the command:\\
@@ -2302,7 +2303,7 @@
 %
 % \subsubsection{Print line number annotation only the first time}\label{annotation-inapparatus}
 % \DescribeMacro{\Xlinenumannotationonlyfirst}
-% By default, the line number annotation (\reff{annotion} is printed in every note. If you want to print it only the first time for a given annotation
+% By default, the line number annotation (\reff{annotation}) is printed in every note. If you want to print it only the first time for a given annotation
 % you can use \cs{Xlinenumannotationonlyfirst}\oarg{s}.
 %
 % Note the two following points:
@@ -4334,7 +4335,7 @@
 %    \begin{macrocode}
 %<*code>
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{reledmac}[2020/05/03 v2.32.7 typesetting critical editions]%
+\ProvidesPackage{reledmac}[2020/05/24 v2.32.8 typesetting critical editions]%
 %    \end{macrocode}
 %
 % \subsection{Package options}
@@ -6330,9 +6331,11 @@
   \unless\ifledRcol%Get the last line of the last page
     \csnumgdef{@lastabsline@forpage@\the\page@num}{\the\absline@num}%
     \csnumgdef{@lastline@forpage@\the\page@num}{\the\line@num}%
+    \csnumgdef{@lastsubline@forpage@\the\page@num}{\the\subline@num}%
   \else%
     \csnumgdef{@lastabsline@forpageR@\the\page@numR}{\the\absline@numR}%
     \csnumgdef{@lastline@forpageR@\the\page@numR}{\the\line@numR}%
+    \csnumgdef{@lastsubline@forpageR@\the\page@numR}{\the\subline@numR}%
   \fi%
   \endgroup
 %    \end{macrocode}
@@ -6577,6 +6580,7 @@
     \else
       \csnumgdef{@lastabsline@forpageR@\the\page@numR}{\the\absline@numR}%
       \csnumgdef{@lastline@forpageR@\the\page@numR}{\the\line@numR}%
+      \csnumgdef{@lastsubline@forpageR@\the\page@numR}{\the\subline@numR}%
       \ifbypage@R
         \ifx\l@dchset@num\relax%Not resetting if preceded by a \setlinenum
           \ifboolexpr{%
@@ -6603,6 +6607,7 @@
     \else
       \csnumgdef{@lastabsline@forpage@\the\page@num}{\the\absline@num}%
       \csnumgdef{@lastline@forpage@\the\page@num}{\the\line@num}%
+      \csnumgdef{@lastsubline@forpage@\the\page@num}{\the\subline@num}%
       \ifbypage@
         \ifx\l@dchset@num\relax%Not resetting if preceded by a \setlinenum
           \line@num \z@%
@@ -18658,12 +18663,16 @@
    \unexpanded{\newdimen\parindent@beforestanza%
    \parindent@beforestanza=\parindent}%Keep in memory the standard \parindent
    \global\stanza@count\@ne\stanza@modulo\@ne
-   \noexpand\ifnum\expandafter\noexpand
-   \csname sza@0@\endcsname=\z@\let\noexpand\stanza@hang\relax
-   \let\noexpand\endlock\relax\noexpand\else\interlinepenalty
-   \@M\rightskip\z@ plus 1fil\relax\noexpand\fi\noexpand\ifnum
-   \expandafter\noexpand\csname szp@0@\endcsname=\z@
-   \let\noexpand\sza@penalty\relax\noexpand\fi%
+   \noexpand\ifnum\expandafter\noexpand\csname sza@0@\endcsname=\z@%
+      \let\noexpand\stanza@hang\relax%
+      \let\noexpand\endlock\relax%
+   \noexpand\else%
+     \interlinepenalty%
+     \@M\rightskip\z@ plus 1fil\relax%
+   \noexpand\fi%
+   \noexpand\ifnum\expandafter\noexpand\csname szp@0@\endcsname=\z@%
+     \let\noexpand\sza@penalty%
+   \relax\noexpand\fi%
    \def\noexpand&{%
          \noexpand\newverse[][]}%
    \def\noexpand\&{\noexpand\@stopstanza}%
@@ -18911,6 +18920,7 @@
     \global\numdef{\@msd@c}{\@msd@c+\@ne}%
     \csgdef{@msdata@\@msd@c @data}{#1}%
     \csxdef{@msdata@\@msd@c @linenumber}{\the\line@num}%
+    \csxdef{@msdata@\@msd@c @sublinenumber}{\the\subline@num}%
     \csxdef{@msdata@\@msd@c @abslinenumber}{\the\absline@num}%
     \xright@appenditem{\the\absline@num}\to\actionlines@list%
     \xright@appenditem{-1010}\to\actions@list%
@@ -18918,6 +18928,7 @@
     \global\numdef{\@msd@cR}{\@msd@cR+\@ne}%
     \csgdef{@msdata@\@msd@cR @dataR}{#1}%
     \csxdef{@msdata@\@msd@cR @linenumberR}{\the\line@numR}%
+    \csxdef{@msdata@\@msd@cR @sublinenumberR}{\the\subline@numR}%
     \csxdef{@msdata@\@msd@cR @abslinenumberR}{\the\absline@numR}%
     \xright@appenditem{\the\absline@numR}\to\actionlines@listR%
     \xright@appenditem{-1010}\to\actions@listR%
@@ -18933,11 +18944,13 @@
      \ifcsundef{@msdata@\@msd@c @stoplinenumber}{%
        \csxdef{@msdata@\@msd@c @stopabslinenumber}{\the\absline@num}%
        \csxdef{@msdata@\@msd@c @stoplinenumber}{\the\line@num}%
+       \csxdef{@msdata@\@msd@c @stopsublinenumber}{\the\subline@num}%
      }{}%
   \else%
      \ifcsundef{@msdata@\@msd@cR @stoplinenumberR}{%
        \csxdef{@msdata@\@msd@cR @stopabslinenumberR}{\the\absline@numR}%
        \csxdef{@msdata@\@msd@cR @stoplinenumberR}{\the\line@numR}%
+       \csxdef{@msdata@\@msd@cR @stopsublinenumberR}{\the\subline@numR}%
      }%
      {}%
  \fi%
@@ -18960,13 +18973,16 @@
         \edef\l@d@nums{%
           000|% Start page = we don't print it
           \csuse{@msdata@\add@msd@c @linenumber}|% Start line number
-          000|% Start subline number, for now, not used
+          \csuse{@msdata@\add@msd@c @sublinenumber}|% Start subline number
           000|% End page number, we don't print it
           \ifnumless{\csuse{@msdata@\add@msd@c @stopabslinenumber}}{\csuse{@lastabsline@forpage@\the\page@num}}%
             {\csuse{@msdata@\add@msd@c @stoplinenumber}}%End line number if in the same page
-            {\csuse{@lastline@forpage@\the\page@num}}%Otherwiser, last number of the page
+            {\csuse{@lastline@forpage@\the\page@num}}%Otherwise, last number of the page
+          |%
+          \ifnumless{\csuse{@msdata@\add@msd@c @stopabslinenumber}}{\csuse{@lastabsline@forpage@\the\page@num}}%
+            {\csuse{@msdata@\add@msd@c @stopsublinenumber}}%End subline number if in the same page
+            {\csuse{@lastsubline@forpage@\the\page@num}}%Otherwise, last subnumber of the page
           |%
-          000|% End sub line number, for now, not used
           \edfont@info%Font
           }%
           \@msd@options@fullpagefalse%
@@ -19009,12 +19025,15 @@
         \edef\l@d@nums{%
           000|% Start page = we don't print it
           \csuse{@msdata@\add@msd@cR @linenumberR}|% Start line number
-          000|% Start subline number, for now, not used
+          \csuse{@msdata@\add@msd@cR @sublinenumberR}|% Start subline number, for now, not used
           000|% End page number, we don't print it
           \ifnumless{\csuse{@msdata@\add@msd@cR @stopabslinenumberR}}{\csuse{@lastline@forpageR@\the\page@numR}}%
             {\csuse{@msdata@\add@msd@cR @stoplinenumberR}}%End line number if in the same page
-            {\csuse{@lastline@forpageR@\the\page@numR}}%Otherwiser, last number of the page
+            {\csuse{@lastline@forpageR@\the\page@numR}}%Otherwise, last number of the page
           |%
+          \ifnumless{\csuse{@msdata@\add@msd@cR @stopabslinenumberR}}{\csuse{@lastline@forpageR@\the\page@numR}}%
+            {\csuse{@msdata@\add@msd@cR @stopsublinenumberR}}%End subline number if in the same page
+            {\csuse{@lastsubline@forpageR@\the\page@numR}}%Otherwise, last number of the page
           000|% End sub line number, for now, not used
           \edfont@info%Font
           }%
diff --git a/macros/latex/contrib/reledmac/reledmac.pdf b/macros/latex/contrib/reledmac/reledmac.pdf
index f9d28cda8f..a0576ab271 100644
--- a/macros/latex/contrib/reledmac/reledmac.pdf
+++ b/macros/latex/contrib/reledmac/reledmac.pdf
diff --git a/macros/latex/contrib/reledmac/reledpar.pdf b/macros/latex/contrib/reledmac/reledpar.pdf
index 9853b3fdad..be9208735d 100644
--- a/macros/latex/contrib/reledmac/reledpar.pdf
+++ b/macros/latex/contrib/reledmac/reledpar.pdf
diff --git a/systems/texlive/tlnet/tlpkg/texlive.tlpdb b/systems/texlive/tlnet/tlpkg/texlive.tlpdb
index ff6d5d163b..6141f5a274 100644
--- a/systems/texlive/tlnet/tlpkg/texlive.tlpdb
+++ b/systems/texlive/tlnet/tlpkg/texlive.tlpdb
@@ -26,11 +26,11 @@ depend container_split_src_files/1
 depend frozen/0
 depend minrelease/2016
 depend release/2020
-depend revision/55264
+depend revision/55281
 
 name 00texlive.image
 category TLCore
-revision 55265
+revision 55281
 shortdesc TeX Live files only in the source repository
 longdesc The files here are not copied by the installer and containers
 longdesc are not built for them; they exist only in the source
@@ -2513,6 +2513,7 @@ runfiles size=5014
  tlpkg/tlpsrc/manfnt.tlpsrc
  tlpkg/tlpsrc/manuscript.tlpsrc
  tlpkg/tlpsrc/manyind.tlpsrc
+ tlpkg/tlpsrc/marathi.tlpsrc
  tlpkg/tlpsrc/marcellus.tlpsrc
  tlpkg/tlpsrc/margbib.tlpsrc
  tlpkg/tlpsrc/marginfit.tlpsrc
@@ -3204,6 +3205,7 @@ runfiles size=5014
  tlpkg/tlpsrc/punk.tlpsrc
  tlpkg/tlpsrc/punknova.tlpsrc
  tlpkg/tlpsrc/purifyeps.tlpsrc
+ tlpkg/tlpsrc/pwebmac.tlpsrc
  tlpkg/tlpsrc/pxbase.tlpsrc
  tlpkg/tlpsrc/pxchfon.tlpsrc
  tlpkg/tlpsrc/pxcjkcat.tlpsrc
@@ -36434,7 +36436,7 @@ catalogue-version 2.0.1
 
 name biblatex-philosophy
 category Package
-revision 47283
+revision 55276
 shortdesc Styles for using BibLaTeX for work in philosophy
 relocated 1
 longdesc The bundle offers two styles - philosophy-classic and
@@ -36446,17 +36448,17 @@ longdesc package's default settings are based on the conventions used in
 longdesc Italian publications, these styles can be used with every
 longdesc language recognized by babel, possibly with some simple
 longdesc redefinitions.
-containersize 12572
-containerchecksum faf78d9a7a551c2a161bf69c1a9146dd7846cb4ff1c3f6332806f955357a8f3af66b9ddc7d9732246982b9bba60730071390a0cf240a241d50db03655414174d
-doccontainersize 883940
-doccontainerchecksum 1e68948403c72e93f94b758786a0c632827d5e5bdf0a8db2066e52868b2ee339bbf0948ed381d78db733482cfca075d9d5c26624df9f2f85d4ded232ece45ed8
-docfiles size=220
+containersize 12660
+containerchecksum 695e5dbb361737f480fd720eece6616ac67a2d8f4cd55a848add42e6306b0276564b8c7b8b6b676853b16d8ddcff3078a7237d8a744e5f45fbb1b6e077a94397
+doccontainersize 503176
+doccontainerchecksum 7cc850b7279ab7d219805f6b7ade1b1fe1cfdd96e05fdb2f6d208ff71ab3990211cfae4aa007f06d5a02ee89d9daa97519957be803f5e206b3262df45bdf65df
+docfiles size=127
  RELOC/doc/latex/biblatex-philosophy/README details="Readme"
  RELOC/doc/latex/biblatex-philosophy/biblatex-philosophy.pdf details="Package documentation"
  RELOC/doc/latex/biblatex-philosophy/examples.zip
-srccontainersize 39380
-srccontainerchecksum e170fb71a9c429204fab059f266e90c4b67a2ecc24f504ef68f70c5ffdb8cc619a2a1963febc0ae308b27f75aa19f0d2e90445ef9e6f3bc81b2fc212c9cf4835
-srcfiles size=60
+srccontainersize 40852
+srccontainerchecksum 79e2b0dc939dbdd59ff539521727d121b480273200a92ab6b5570454cb7234df8a97eca334a736cb970e264b878876e05ac3891023c814b8a34ab2db451158d9
+srcfiles size=61
  RELOC/source/latex/biblatex-philosophy/biblatex-philosophy.bib
  RELOC/source/latex/biblatex-philosophy/biblatex-philosophy.dtx
 runfiles size=32
@@ -36474,7 +36476,7 @@ runfiles size=32
 catalogue-ctan /macros/latex/contrib/biblatex-contrib/biblatex-philosophy
 catalogue-license lppl1.3
 catalogue-topics humanities philosophy biblatex
-catalogue-version 1.9.8a
+catalogue-version 1.9.8b
 
 name biblatex-phys
 category Package
@@ -64371,7 +64373,7 @@ containerchecksum 2d93df728d34137c8f9a884aa2871a2980e806672006f2c5f0c5f79412d578
 
 name collection-langother
 category Collection
-revision 55249
+revision 55281
 shortdesc Other languages
 relocated 1
 longdesc Support for languages not otherwise listed, including Indic,
@@ -64420,6 +64422,7 @@ depend latexbangla
 depend latino-sine-flexione
 depend lshort-thai
 depend lshort-vietnamese
+depend marathi
 depend ntheorem-vn
 depend padauk
 depend quran-ur
@@ -64433,8 +64436,8 @@ depend vntex
 depend wnri
 depend wnri-latex
 depend xetex-devanagari
-containersize 776
-containerchecksum b8dc2545332a75f3c5659a51cb1431690209d93248e0984cd1c45f048b5f2692b95ebd5299192ed6f493614fbb283f9ccfd8c1304e51de330ca20ef3217e8ff1
+containersize 784
+containerchecksum d4acb539420eb41a510084883c22f1b0ea9e274dbeaa4108129c27aee0a39ae977193c387671e10d4c98dacd737c2b85d5c07c9a6753cd0f4396ddec4468d2b1
 
 name collection-langpolish
 category Collection
@@ -66551,7 +66554,7 @@ containerchecksum f69498f2e1703b5f5db3ea5d5f9693d5d683e252c7d2fce543e00f979dcfa6
 
 name collection-plaingeneric
 category Collection
-revision 54723
+revision 55277
 shortdesc Plain (La)TeX packages
 relocated 1
 longdesc Add-on packages and macros that work with plain TeX, often
@@ -66629,6 +66632,7 @@ depend plnfss
 depend plstmary
 depend poormanlog
 depend present
+depend pwebmac
 depend random
 depend randomlist
 depend resumemac
@@ -66657,7 +66661,7 @@ depend xii-lat
 depend xlop
 depend yax
 containersize 908
-containerchecksum f753c23b602bb63a5706b5daa73c6e8aeaa97d201335e429389ea1cb3b5070d1bd359a89a191477d08dddb0e6d9624edc4f63f1c151d368b63d43314a215e5a8
+containerchecksum 3178892c7ebbe9f7ca555835c8dc569bd3670024c83d2223f926048ce6965c459acea118ea316ee748033aae5bfa0db8db6609d1d7c440b1ac83e170e0f02e0f
 
 name collection-pstricks
 category Collection
@@ -78114,7 +78118,7 @@ binfiles arch=x86_64-solaris size=6
 
 name crossword
 category Package
-revision 32657
+revision 55271
 shortdesc Typeset crossword puzzles
 relocated 1
 longdesc An extended grid-based puzzle package, designed to take all
@@ -78134,25 +78138,28 @@ longdesc redundant: specification of the grid is separate from
 longdesc specification of the clues (if they're necessary). The author
 longdesc considers this style both 'natural' and robust.
 containersize 4232
-containerchecksum e55390ea7eb83686bc49e1f33fd4df2e7b977e031fa6d42e3d18d2cb5b9f34905aa4c43f173ad6745e98683376eb5ad4fae1a8344355b272f0b4b8096b1521ce
-doccontainersize 338260
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-docfiles size=91
- RELOC/doc/latex/crossword/Makefile
- RELOC/doc/latex/crossword/README details="Package Readme"
+containerchecksum 120d76d4513d2fb2d5ddaa9b5a45a3fabc42b4574776e60fc700f9de07030679ad36f2328ffd1dd5a0ce0148c4b2ce7c6f774eecf1fb2ad747fdbe585178ea26
+doccontainersize 338744
+doccontainerchecksum ca1d098a53724ce035ab8eb6e07de2f2b38deaca029b4e3a0d15e98dfa5ed9998fdb95b8dd5ab254862ca0ecbb7c15fda6bbef3d84cd6a7293f0172abbadb901
+docfiles size=87
+ RELOC/doc/latex/crossword/LICENSE
+ RELOC/doc/latex/crossword/README.md details="Package Readme"
  RELOC/doc/latex/crossword/cwpuzzle.pdf details="Package documentation"
+ RELOC/doc/latex/crossword/makefile
 srccontainersize 15664
-srccontainerchecksum 91f7fc2a78a83eb404aa11a95f941f81f10da9a908a8ca4f554b5ed496435cca615ce69d9e608c59a025b51243e6c1bf14ea69c896d944a757e1c1cb470e831e
+srccontainerchecksum 4071af8acad185db5ff31137f966378dd239a155668b822fcaee4091d460fd8062a0b08fc39b5d5a2b0d2c0d1adfbacc0884ae9654a555eae634b71cf722adea
 srcfiles size=20
  RELOC/source/latex/crossword/cwpuzzle.dtx
  RELOC/source/latex/crossword/cwpuzzle.ins
 runfiles size=3
  RELOC/tex/latex/crossword/cwpuzzle.sty
 catalogue-also crosswrd
+catalogue-contact-home http://gerd-neugebauer.de/software/TeX/cwpuzzle
+catalogue-contact-repository https://sourceforge.net/p/gene-tex-lib/svn/HEAD/tree/cwpuzzle
 catalogue-ctan /macros/latex/contrib/gene/crossword
 catalogue-license other-free
 catalogue-topics games cwpuzzle
-catalogue-version 1.9
+catalogue-version 1.10
 
 name crosswrd
 category Package
@@ -133468,17 +133475,17 @@ catalogue-version 1.0.0
 
 name hitszthesis
 category Package
-revision 54709
+revision 55272
 shortdesc A dissertation template for Harbin Institute of Technology, ShenZhen
 relocated 1
 longdesc This package provides a dissertation template for Harbin
 longdesc Institute of Technology, ShenZhen (HITSZ), including bachelor,
 longdesc master and doctor dissertations.
-containersize 24836
-containerchecksum 7555c9b099c48b93bdd0b802fc563c98a82e2358c50c5b590c559d20515d96eefedfa596783810989e6708f5d490e4e62a37542589e843604003b2448b1ce1fa
-doccontainersize 1674424
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-docfiles size=471
+containersize 24900
+containerchecksum 93476156068107b5cf637c0535e422223ac31ae4f94fa55582e756ca8d8fed9f5c76d206c6af62c3c7c95f611b642030b7eb9d9337ae45b8ab4774e16cb2fa53
+doccontainersize 1676384
+doccontainerchecksum 6e80e97202edfd276fbb2199f0cc5235f0f25259a231474dca52a8a53b37090304909ca705a8747dc9ee160cf552e10465fd51ae136b3838b45753eb0b46e802
+docfiles size=473
  RELOC/doc/latex/hitszthesis/README.md details="Readme"
  RELOC/doc/latex/hitszthesis/back/acknowledgements.tex
  RELOC/doc/latex/hitszthesis/back/appendix01.tex
@@ -133503,16 +133510,16 @@ docfiles size=471
  RELOC/doc/latex/hitszthesis/figures/hitlogo.eps
  RELOC/doc/latex/hitszthesis/front/coverinformation.tex
  RELOC/doc/latex/hitszthesis/front/denotation.tex
+ RELOC/doc/latex/hitszthesis/hitszthesis-bachelor.pdf details="Sample document 1" language="zh"
+ RELOC/doc/latex/hitszthesis/hitszthesis-doctor.pdf details="Sample document 3" language="zh"
+ RELOC/doc/latex/hitszthesis/hitszthesis-example.tex
+ RELOC/doc/latex/hitszthesis/hitszthesis-master.pdf details="Sample document 2" language="zh"
  RELOC/doc/latex/hitszthesis/hitszthesis.cfg
  RELOC/doc/latex/hitszthesis/hitszthesis.pdf details="Package documentation" language="zh"
  RELOC/doc/latex/hitszthesis/latexmkrc
- RELOC/doc/latex/hitszthesis/main-bachelor.pdf details="Sample document 1" language="zh"
- RELOC/doc/latex/hitszthesis/main-doctor.pdf details="Sample document 3" language="zh"
- RELOC/doc/latex/hitszthesis/main-master.pdf details="Sample document 2" language="zh"
- RELOC/doc/latex/hitszthesis/main.tex
  RELOC/doc/latex/hitszthesis/reference.bib
-srccontainersize 33396
-srccontainerchecksum 3c52e7962ab4e257fe6301a236e611dc1e7be3293ea0ac27b9376e8b7d1c7ff94f19bf456c82657442b0a8a1132dc657d29dde6cf3105598c1f6fc911920b6ea
+srccontainersize 33516
+srccontainerchecksum d82485ecf38053852c4453fa829e5963d9a8cc2f26540aba6d8805cb042bf1ae9050d1c3adacdd9a18b3183e8b3bf27d09a2c444ae4ec52fa723e04d5c6a6511
 srcfiles size=32
  RELOC/source/latex/hitszthesis/Makefile
  RELOC/source/latex/hitszthesis/compile.bat
@@ -133526,11 +133533,11 @@ runfiles size=53
 catalogue-contact-announce https://github.com/YangLaTeX/hitszthesis/releases
 catalogue-contact-bugs https://github.com/YangLaTeX/hitszthesis/issues
 catalogue-contact-repository https://github.com/YangLaTeX/hitszthesis
-catalogue-contact-support https://github.com/YangLaTeX/hitszthesis/issues
+catalogue-contact-support https://github.com/YangLaTeX/hitszthesis/wiki
 catalogue-ctan /macros/latex/contrib/hitszthesis
 catalogue-license lppl1.3c
 catalogue-topics class dissertation chinese
-catalogue-version 3.0.4
+catalogue-version 3.1
 
 name hletter
 category Package
@@ -178858,11 +178865,11 @@ binfiles arch=i386-solaris size=1712
 
 name luahbtex.win32
 category TLCore
-revision 55133
+revision 55269
 shortdesc win32 files of luahbtex
-containersize 1550700
-containerchecksum 72f74b13e06ecd05aa2c1bd325239743a432e28dd89b5b7818c7ecf5a44ff05c7bd83a7ee13d82dbe0a4bd6d743b346125987d68f17c80ad16889c89ed1f63f5
-binfiles arch=win32 size=1436
+containersize 1549916
+containerchecksum 78932b7eff95b4a12a1bf4e8bfe978c3885b2ffbf94b5563fccb1fca7a5cd64fbb2111d3c1861cc13cf1b6cbc151dfc2f82e96577e42ce456fa0b03920518e7f
+binfiles arch=win32 size=1441
  bin/win32/luahbtex.dll
  bin/win32/luahbtex.exe
 
@@ -179405,11 +179412,11 @@ binfiles arch=i386-solaris size=3234
 
 name luajittex.win32
 category TLCore
-revision 55133
+revision 55269
 shortdesc win32 files of luajittex
-containersize 2110208
-containerchecksum eab50c4683d6dabea1e01cb389c07201d84503493128d5115d4890bb1f2e36c080820b4b219e03630ba95f485faba98bd4a83ce224912ba035c0babcb6f8546d
-binfiles arch=win32 size=3053
+containersize 2219304
+containerchecksum 874011a688310476de47d27df00ac9c48ab0b2fbbf56943c63b990f3548c265449b280d763995d5f2d42c357af9659e73748f2166ba1880200b8ec62bc000648
+binfiles arch=win32 size=3065
  bin/win32/luajit51.dll
  bin/win32/luajithbtex.dll
  bin/win32/luajithbtex.exe
@@ -180284,11 +180291,11 @@ binfiles arch=i386-solaris size=1432
 
 name luatex.win32
 category TLCore
-revision 55133
+revision 55269
 shortdesc win32 files of luatex
-containersize 1822160
-containerchecksum ac837a3c5609a90909fad7f4a8d4262e90dcb0d4b84a9d53d4e7b9f70cd719018e0d59984d051d7c23d4c55fd56291d5a89dae4f480d7405203b288b9c71b855
-binfiles arch=win32 size=1683
+containersize 1823600
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@@ -183291,6 +183298,47 @@ catalogue-ctan /macros/latex/contrib/manyind
 catalogue-license lppl1.2
 catalogue-topics index-multi
 
+name marathi
+category Package
+revision 55275
+shortdesc Typeset Marathi language using XeLaTeX or LuaLaTeX
+relocated 1
+longdesc The package preloads many necessary commands for typesetting
+longdesc Marathi language. It also has a localized version of package
+longdesc blindtext. article, book, report, letter, and beamer are the
+longdesc supported document classes. haa aajnyaasNc mraatthiicaa
+longdesc laattek-mdhiil vaapr sulbh krnnyaasaatthii tyaar krnnyaat aalaa
+longdesc aahe. blindtext aajnyaasNcaace sthaanikiikrnn hyaa
+longdesc aajnyaasNcaat kele aahe. article, book, report, letter v beamer
+longdesc hyaa laattek-vrgaaNce nmune hyaa aajnyaasNcaash tyaar krtaa
+longdesc yeuu shktaat.
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+docfiles size=29
+ RELOC/doc/latex/marathi/README.txt details="Readme"
+ RELOC/doc/latex/marathi/article.tex
+ RELOC/doc/latex/marathi/beamer.tex
+ RELOC/doc/latex/marathi/book.tex
+ RELOC/doc/latex/marathi/letter.tex
+ RELOC/doc/latex/marathi/marathi.pdf details="Package documentation"
+ RELOC/doc/latex/marathi/report.tex
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+ RELOC/source/latex/marathi/marathi.dtx
+ RELOC/source/latex/marathi/marathi.ins
+runfiles size=2
+ RELOC/tex/latex/marathi/marathi.sty
+catalogue-contact-bugs https://gitlab.com/niranjanvikastambe/marathi/-/issues
+catalogue-contact-home https://gitlab.com/niranjanvikastambe/marathi
+catalogue-contact-repository https://gitlab.com/niranjanvikastambe/marathi/
+catalogue-ctan /language/marathi
+catalogue-license lppl1.3c
+catalogue-topics indic
+catalogue-version 1.0
+
 name marcellus
 category Package
 revision 54512
@@ -235934,7 +235982,7 @@ catalogue-version 3.1
 
 name plautopatch
 category Package
-revision 53906
+revision 55274
 shortdesc Automated patches for pLaTeX/upLaTeX
 relocated 1
 longdesc Japanese pLaTeX/upLaTeX formats and packages often conflict
@@ -235946,10 +235994,10 @@ longdesc because specific patches are loaded automatically whenever
 longdesc necessary. This helps not only to simplify source files, but
 longdesc also to make the appearance of working pLaTeX/upLaTeX sources
 longdesc similar to those of ordinary LaTeX ones.
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 docfiles size=40
  RELOC/doc/latex/plautopatch/LICENSE
  RELOC/doc/latex/plautopatch/README.md details="Readme"
@@ -235957,9 +236005,10 @@ docfiles size=40
  RELOC/doc/latex/plautopatch/plautopatch-ja.tex
  RELOC/doc/latex/plautopatch/plautopatch.pdf details="Package documentation (English)"
  RELOC/doc/latex/plautopatch/plautopatch.tex
-runfiles size=11
+runfiles size=13
  RELOC/tex/latex/plautopatch/plarydshln.sty
  RELOC/tex/latex/plautopatch/plautopatch.sty
+ RELOC/tex/latex/plautopatch/plcollcell.sty
  RELOC/tex/latex/plautopatch/pldocverb.sty
  RELOC/tex/latex/plautopatch/plextarydshln.sty
  RELOC/tex/latex/plautopatch/plextcolortbl.sty
@@ -235972,7 +236021,7 @@ catalogue-contact-repository https://github.com/aminophen/plautopatch
 catalogue-ctan /language/japanese/plautopatch
 catalogue-license bsd3
 catalogue-topics japanese debug-supp bugfix
-catalogue-version 0.9e
+catalogue-version 0.9g
 
 name play
 category Package
@@ -248997,6 +249046,47 @@ containerchecksum 11471640ae0c99563a12f1dfcb8a5ca00e4944d878dcf4c6b6041007b498f4
 binfiles arch=x86_64-solaris size=1
  bin/x86_64-solaris/purifyeps
 
+name pwebmac
+category Package
+revision 55281
+shortdesc Consolidated WEB macros for DVI and PDF output
+relocated 1
+longdesc The original WEB system by Donald Knuth has the macros
+longdesc webmac.tex that produce DVI output only; for historic reasons,
+longdesc it will never be modified (apart from catastrophic errors). Han
+longdesc The Thanh has modified these macros in his pdfwebmac.tex for
+longdesc PDF output (only) with pdfTeX. Jonathan Kew's XeTeX has similar
+longdesc macros xewebmac.tex by Khaled Hosny that modify webmac.tex for
+longdesc PDF output; these macros can only be used with a specific "TeX
+longdesc engine" each. The present pwebmac package integrates these
+longdesc three WEB macro files similar to cwebmac.tex in Silvio Levy's
+longdesc and Don Knuth's CWEB system, so pwebmac.tex can be used with
+longdesc "plain TeX", pdfTeX, and XeTeX alike. Its initial application
+longdesc is the production of PDF files for all major WEB programs for
+longdesc "TeX and friends" as distributed in TeX Live. For this purpose,
+longdesc the shell script makeall was whipped together; it provides
+longdesc various commandline options and works around several "quirks"
+longdesc in the WEB sources. WEB programmers who want to use pwebmac.tex
+longdesc instead of the default webmac.tex in their programs have to
+longdesc change the first line in the TeX file created by weave. From
+longdesc there, all depends on the "TeX engine" you use.
+containersize 7644
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+docfiles size=3
+ RELOC/doc/plain/pwebmac/LICENSE
+ RELOC/doc/plain/pwebmac/README.md details="Readme"
+ RELOC/doc/plain/pwebmac/makeall
+runfiles size=5
+ RELOC/tex/plain/pwebmac/pwebmac.tex
+catalogue-contact-repository https://github.com/ascherer/web
+catalogue-contact-support http://lists.tug.org/tex-k
+catalogue-ctan /web/pwebmac
+catalogue-license mit
+catalogue-topics litprog
+catalogue-version 4.5
+
 name pxbase
 category Package
 revision 44756
@@ -253582,7 +253672,7 @@ catalogue-version 1.0h
 
 name reledmac
 category Package
-revision 55020
+revision 55273
 shortdesc Typeset scholarly editions
 relocated 1
 longdesc A package for typesetting scholarly critical editions,
@@ -253591,12 +253681,12 @@ longdesc itself was a LaTeX port of the plain TeX EDMAC macros. The
 longdesc package supports indexing by page and by line numbers, and
 longdesc simple tabular- and array-style environments. The package is
 longdesc distributed with the related reledpar package.
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- RELOC/doc/latex/reledmac/README details="Readme"
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+ RELOC/doc/latex/reledmac/README.md details="Readme"
  RELOC/doc/latex/reledmac/doc-include/migrate-mac.dtx
  RELOC/doc/latex/reledmac/doc-include/migrate-par.dtx
  RELOC/doc/latex/reledmac/doc-more/latexmkrc
@@ -253699,8 +253789,8 @@ docfiles size=2574
  RELOC/doc/latex/reledmac/migration.pdf
  RELOC/doc/latex/reledmac/reledmac.pdf details="Package documentation"
  RELOC/doc/latex/reledmac/reledpar.pdf
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 srcfiles size=290
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  RELOC/source/latex/reledmac/reledmac.dtx
@@ -253717,7 +253807,7 @@ catalogue-contact-support http://geekographie.maieul.net/146
 catalogue-ctan /macros/latex/contrib/reledmac
 catalogue-license lppl1.3
 catalogue-topics crit-ed
-catalogue-version 2.32.7
+catalogue-version 2.32.8
 
 name relenc
 category Package
@@ -281277,7 +281367,7 @@ binfiles arch=x86_64-solaris size=1
 
 name tex4ht
 category Package
-revision 55239
+revision 55278
 shortdesc Convert (La)TeX to HTML/XML
 longdesc A converter from TeX and LaTeX to SGML-based formats such as
 longdesc (X)HTML, MathML, OpenDocument, and DocBook, providing a
@@ -281292,10 +281382,10 @@ longdesc restricted-syntax systems such as hyperlatex and gellmu. Note
 longdesc that CTAN no longer holds the definitive sources of the
 longdesc package: see the 'Readme' file.
 depend tex4ht.ARCH
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 docfiles size=195
  texmf-dist/doc/generic/tex4ht/bugfixes.css
  texmf-dist/doc/generic/tex4ht/bugfixes.html
@@ -289391,7 +289481,7 @@ catalogue-version 0.1
 
 name texinfo
 category Package
-revision 55081
+revision 55267
 shortdesc Texinfo documentation system
 relocated 1
 longdesc Texinfo is the preferred format for documentation in the GNU
@@ -289402,8 +289492,8 @@ longdesc distribution offer online interactive use (with hypertext
 longdesc linkages in some cases). Note that a developers' snapshot of
 longdesc the latest release of the Texinfo macros may be found in the
 longdesc Texinfo 'latest' package.
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 runfiles size=109
  RELOC/tex/texinfo/texinfo.ini
  RELOC/tex/texinfo/texinfo.tex
@@ -289509,16 +289599,16 @@ docfiles size=592
 
 name texlive-docindex
 category TLCore
-revision 55252
+revision 55280
 shortdesc top-level TeX Live doc.html, etc.
 longdesc These files are regenerated as needed, which is often, so we
 longdesc make them a separate package. See the tl-update-auto script for
 longdesc the process.
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  doc.html
 
 name texlive-en
diff --git a/systems/texlive/tlnet/tlpkg/texlive.tlpdb.md5 b/systems/texlive/tlnet/tlpkg/texlive.tlpdb.md5
index 679d59b6bc..27f808e8a7 100644
--- a/systems/texlive/tlnet/tlpkg/texlive.tlpdb.md5
+++ b/systems/texlive/tlnet/tlpkg/texlive.tlpdb.md5
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index c7a79fb2f5..837743f446 100644
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diff --git a/systems/win32/miktex/tm/packages/files.csv.lzma b/systems/win32/miktex/tm/packages/files.csv.lzma
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+;;;; signature/miktex: YYEY+CMkmjp4XZIY9c/VTgwkFjlwC86me4yp5Xbsl/YvpGZYSECqyJWBZZE5JZ2KYa/elQKvsl+Zqp6PVonmdKITHEf77/hNNF5lcsRzHJLWSKsSP9ObOYToR7xEoXTPey6YZfSwJjvcB41fNRER53gwloO0g+KZK7dxXFxq6c1itM65ezclE2v2QM89Tt7CEuaICT5kgEgxY+AFB/U2a+t+iDfDmPpaQNLa7pqe7nhLdSpFal0NxlO1dxOuG1y5NbDJmdcIMsy/lLTHjV9y7notbNMp/RG1evlidHgfxquF63l2Z1Hu1jvlmQuzyfvylMri4x9LnGUTHXjD844nTg==

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diff --git a/systems/win32/miktex/tm/packages/pr.ini b/systems/win32/miktex/tm/packages/pr.ini
index 5a8177ce2a..a335de2e6a 100644
--- a/systems/win32/miktex/tm/packages/pr.ini
+++ b/systems/win32/miktex/tm/packages/pr.ini
@@ -1,13 +1,13 @@
 

 [repository]

-date=1590351143

-lastupd=ellipsis euflag latex-veryshortguide optex ptex2pdf rec-thy suftesi toptesi xepersian-hm babel-italian chemfig classpack cloze decorule helmholtz-ellis-ji-notation l3experimental luatexja miktex-luatex-bin-2.9 miktex-luatex-bin-x64-2.9 miktex-runtime-bin-2.9

-lstdigest=59fd76e88b9ca9424a82432e32078434

-numpkg=3911

+date=1590437506

+lastupd=akshar antanilipsum biblatex-philosophy bookshelf cochineal crossword euflag fontsetup fontsize haranoaji haranoaji-extra miktex-misc newcomputermodern ellipsis latex-veryshortguide optex ptex2pdf rec-thy suftesi toptesi

+lstdigest=31741aa881f28b760ee0620d0292b281

+numpkg=3913

 relstate=stable

-version=7449

+version=7450

 

 ;;;;This configuration file is signed by a MiKTeX maintainer. The signature follows.

 ;;;;-----BEGIN MIKTEX SIGNATURE-----

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diff --git a/systems/win32/w32tex/ChangeLog b/systems/win32/w32tex/ChangeLog
index 2dbfcbcd4b..c3a19e85ff 100644
--- a/systems/win32/w32tex/ChangeLog
+++ b/systems/win32/w32tex/ChangeLog
@@ -1,5 +1,37 @@
                    W32TeX (x86 & x64) ChangeLog
 
+[2020/05/25]
+(01) biblatex-biber.tar.xz
+     Update biblatex-philosophy.
+(02) ltxpkgs.tar.xz
+     Update fontsize.
+(03) luajittex-dev-w32.tar.xz
+     Update luajittex.dll, and luajithbtex.dll.
+(04) luajittex-exp-w32.tar.xz
+     Update luajittex.dll, and luajithbtex.dll.
+(05) luajittex-w32.tar.xz
+     Update luajittex.dll, and luajithbtex.dll.
+(06) luatex-dev-w32.tar.xz
+     Update luatex.dll, and luahbtex.dll.
+(07) luatex-exp-w32.tar.xz
+     Update luatex.dll, and luahbtex.dll.
+(08) luatex-w32.tar.xz
+     Update luatex.dll, and luahbtex.dll.
+(09) luatexja.tar.xz
+     Update haranoaji, and haranoaji-extra fonts.
+(10) win64/luajittex-dev-w64.tar.xz
+     Update luajittex.dll, and luajithbtex.dll.
+(11) win64/luajittex-exp-w64.tar.xz
+     Update luajittex.dll, and luajithbtex.dll.
+(12) win64/luajittex-w64.tar.xz
+     Update luajittex.dll, and luajithbtex.dll.
+(13) win64/luatex-dev-w64.tar.xz
+     Update luatex.dll, and luahbtex.dll.
+(14) win64/luatex-exp-w64.tar.xz
+     Update luatex.dll, and luahbtex.dll.
+(15) win64/luatex-w64.tar.xz
+     Update luatex.dll, and luahbtex.dll.
+
 [2020/05/24]
 (01) ltxpkgdocs.tar.xz
      Update documents for packages.
diff --git a/timestamp b/timestamp
index cec5d3b83a..35fa2fa151 100644
--- a/timestamp
+++ b/timestamp
@@ -2,4 +2,4 @@
 #   The source CTAN of this site's material:
 dante.ctan.org
 #   The year-month-day-hour-minute of this site's material:
-2020-05-25-02-02
+2020-05-26-02-02
diff --git a/web/pwebmac/LICENSE b/web/pwebmac/LICENSE
new file mode 100644
index 0000000000..c8b9b87cdb
--- /dev/null
+++ b/web/pwebmac/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Andreas Scherer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/pwebmac/README.md b/web/pwebmac/README.md
new file mode 100644
index 0000000000..b8ac146c2e
--- /dev/null
+++ b/web/pwebmac/README.md
@@ -0,0 +1,31 @@
+# pwebmac – Consolidated WEB macros for DVI and PDF output
+
+The original [WEB](https://ctan.org/pkg/web) system by Donald Knuth has the
+macros `webmac.tex` that produce DVI output only; for historic reasons, it
+will never be modified (apart from catastrophic errors).
+Hàn Thế Thành has modified these macros in his `pdfwebmac.tex` for PDF output
+(only) with [pdfTeX](https://ctan.org/pkg/pdftex).
+Jonathan Kew's [XeTeX](https://ctan.org/pkg/xetex) has similar macros
+`xewebmac.tex` by Khaled Hosny that _modify_ `webmac.tex` for PDF output;
+these macros can only be used with a specific “TeX engine” each.
+
+The present `pwebmac` package integrates these three WEB macro files similar
+to `cwebmac.tex` in Silvio Levy's and Don Knuth's
+[CWEB](https://ctan.org/pkg/cweb) system, so `pwebmac.tex` can be used with
+“plain TeX,” “pdfTeX,” and “XeTeX” alike.
+
+Its initial application is the production of PDF files for all major WEB
+programs for “TeX and friends” as distributed in
+[TeX Live](https://www.tug.org/texlive).  For this purpose, the shell script
+`makeall` was whipped together; it provides various commandline options and
+works around several “quirks” in the WEB sources.
+
+WEB programmers who want to use `pwebmac.tex` instead of the default
+`webmac.tex` in their programs have to change the first line in the TeX file
+created by `weave`.  From there, all depends on the “TeX engine” you use:
+“plain TeX” by default creates DVI output, “plain TeX” with the invocation
+`tex "\let\pdf+\input…"`, `pdftex`, and `xetex` create PDF output with
+clickable links and bookmarks (depending on your PDF viewer).
+
+The `pwebmac` package is free software and may be used and distributed
+according to the MIT License as shipped with the original distribution.
diff --git a/web/pwebmac/makeall b/web/pwebmac/makeall
new file mode 100755
index 0000000000..22e4f4662e
--- /dev/null
+++ b/web/pwebmac/makeall
@@ -0,0 +1,151 @@
+#!/bin/sh
+
+LONGOPTS=changes,new,pdftocfront,tex:
+SHRTOPTS=cnpt:
+
+CHANGES=false
+NEW=false
+PDFTOCFRONT=false
+TEX=tex
+
+getopt -T >/dev/null
+
+if [ $? -eq 4 ] # Check for Linux-getopt with extensions
+then OPTS=$(getopt -n downloadable-programs -o $SHRTOPTS -l $LONGOPTS -- "$@")
+else OPTS=$(getopt $SHRTOPTS $*)
+fi
+
+if [ $? -eq 0 ] # Check return code from getopt
+then eval set -- "$OPTS"
+else echo "Failed to parse options." >&2; exit 1
+fi
+
+while true
+do
+	case "$1" in
+		-c | --changes ) CHANGES=true; shift ;;
+		-n | --new ) NEW=true; export TEXINPUTS=".:/opt/github/web//:"
+			shift ;;
+		-p | --pdftocfront ) PDFTOCFRONT=true; shift ;;
+		-t | --tex ) TEX="$2"; shift 2 ;;
+		-- ) shift; break ;;
+		* ) break ;;
+	esac
+done
+
+KNUTHWHERE=$(locate /bibtex.web)
+KNUTHWARE=$(dirname $KNUTHWHERE)
+
+for f in \
+	$KNUTHWARE/*.web \
+	$KNUTHWARE/pdftexdir/pdftex.web \
+	$KNUTHWARE/xetexdir/xetex.web
+do
+	if $CHANGES
+	then
+		c=$(basename $f .web).ch
+		case $c in
+			"pdftex.ch"|"xetex.ch" )
+				c=$KNUTHWARE/$c
+				c=$(echo $c | sed -e 's?\(texk/\)?Work/\1?') ;;
+			* ) c=$KNUTHWARE/$c ;;
+		esac
+		weave $f $c
+		sed -i -e "s/\(\\\\let\\\\maybe=\)\\\\iftrue/\1\\\\iffalse/" \
+			$(basename $f .web).tex
+	else
+		weave $f
+	fi
+
+	f=$(basename $f .web)
+
+	# use extended macros for TeX Live PDF documentation
+	if $NEW
+	then
+		sed -i -e "1 s/\\\\input webmac/\\\\input pwebmac/" $f.tex
+	fi
+
+	# replace former convention to indicate "not a title page"
+	# to include page headers for table-of-contents
+	sed -i -e "s/\\\\def\\\\titlepage{F}/\\\\titlefalse/" $f.tex
+
+	# special treatment for individual WEB programs
+	case $f in
+		# purge conflict between bibtex.web and webmac.tex
+		# 'E' no longer free to be active character
+		# fix table-of-contents page for bibtex
+		"bibtex") sed -i -e "s/titlefalse/titletrue/" \
+			-e "70,77d" $f.tex ;;
+
+		# make room for new material in weave.web
+		"tangle" ) sed -i -e "s/number{123}/number{125}/" $f.tex ;;
+
+		# amend '\N' redefinition for PDF outlines in mf.tex and
+		# tex.tex (also pdftex.web and xetex.web); depends on the
+		# extended 'pwebmac.tex' macros
+		"mf"|"tex"|"pdftex"|"xetex" )
+			if [ "xetex" = $f ]
+			then
+				# purge obsolete macros from XeTeX
+				sed -i -e "/\\\\input xewebmac/d" $f.tex
+				# only XeTeX can process XeTeX
+				TEX=xetex
+			fi
+			if $NEW
+			then
+				if [ "pdftex" = $f ]
+				then
+					# pdfTeX has a looong table-of-contents
+					cat > pdftex.patch << FI
+  \advance\vsize by 4\baselineskip
+  \ifacro\advance\pdfpageheight by 4\baselineskip\fi
+FI
+					sed -i -e "/\\\\def\\\\topofcontents.*/ {
+						r pdftex.patch
+						}"  $f.tex
+				fi
+				cat > texmf-pdf.patch << FI
+  \ifacro{\toksF={}\makeoutlinetoks{[#2] #3}\outlinedone\outlinedone}\fi
+FI
+				sed -i -e "/\\\\outer\\\\def\\\\N.*/ {
+					r texmf-pdf.patch
+					}" $f.tex
+				cat > texmf-pdf.patch << FI
+  \ifpdf\special{pdf: outline 0 << /Title (\the\toksE) /Dest
+    [ @thispage /FitH @ypos ] >>}\fi
+FI
+				sed -i -e "/  \\\\edef\\\\next.*/ {
+					r texmf-pdf.patch
+					}" $f.tex
+				rm texmf-pdf.patch
+			fi ;;
+	esac
+
+	if $PDFTOCFRONT
+	then
+		# shift table-of-contents pages to the front in PDF
+		export TEXINPUTS=".:/opt/github/cwebbin//:"$TEXINPUTS
+		sed -i -e "1 s/\(webmac\)/\1\n\\\\input pdfwebtocfront/" $f.tex
+		$TEX $f.tex # run TeX twice
+	fi
+
+	$TEX $f
+done
+
+if $PDFTOCFRONT
+then
+	# create tarballs for publication
+	pax vftovp.pdf vptovf.pdf -wvzf etc.tar.gz -s ,^,etc/,
+	pax mf.pdf -wvzf mf.tar.gz -s ,^,mf/,
+	pax gftodvi.pdf gftopk.pdf gftype.pdf mft.pdf \
+		-wvzf mfware.tar.gz -s ,^,mfware/,
+	pax tex.pdf -wvzf tex.tar.gz -s ,^,tex/,
+	pax dvitype.pdf pltotf.pdf pooltype.pdf tftopl.pdf \
+		-wvzf texware.tar.gz -s ,^,texware/,
+	pax tangle.pdf weave.pdf -wvzf web.tar.gz -s ,^,web/,
+	pax bibtex.pdf -wvzf bibtex.tar.gz -s ,^,bibtex/,
+	pax dvicopy.pdf patgen.pdf pktogf.pdf pktype.pdf \
+		-wvzf other.tar.gz -s ,^,other/,
+	pax pdftex.pdf -wvzf pdftex.tar.gz -s ,^,pdftex/,
+	pax xetex.pdf -wvzf xetex.tar.gz -s ,^,xetex/,
+fi
diff --git a/web/pwebmac/pwebmac.tex b/web/pwebmac/pwebmac.tex
new file mode 100644
index 0000000000..19fdaa2c4e
--- /dev/null
+++ b/web/pwebmac/pwebmac.tex
@@ -0,0 +1,392 @@
+% standard macros for WEB listings (in addition to PLAIN.TEX)
+% pdfTeX adjustments provided by Han The Thanh <thanh@pdftex.org>.
+% XeTeX adjustments provided by Khaled Hosny <khaledhosny@eglug.org>.
+% macro integration \`a la CWEB by Andreas Scherer <andreas_tex@freenet.de>.
+\ifx\renewenvironment\undefined\else\endinput\fi % LaTeX will use other macros
+\xdef\fmtversion{\fmtversion+WEBMAC4.5}
+\newif\ifpdf
+\ifx\pdf+\pdftrue\fi
+% Uncomment the following line if you want PDF goodies to be the default
+%\ifx\pdf-\else\pdftrue\fi
+\def\pdflinkcolor{0 0 1} % the RGB values for hyperlink color
+\ifx\undefined\XeTeXlinebreakpenalty\else\pdftrue\fi % XeTeX produces PDF output
+\newif\ifpdftex
+\ifx\pdfoutput\undefined \pdftexfalse \else\ifnum\pdfoutput=0 \pdftexfalse
+\else \pdftextrue \pdfoutput=1
+  \def\Black{\pdfliteral{0 g 0 G}}  % use rgb colors for direct PDF output too
+  \def\Blue{\pdfliteral{0 0 1 rg 0 0 1 RG}}
+\fi\fi
+\newif\ifacro \ifpdf\acrotrue\fi \ifpdftex\acrotrue\fi
+
+\parskip 0pt % no stretch between paragraphs
+\parindent 1em % for paragraphs and for the first line of Pascal text
+
+\font\eightrm=cmr8
+\let\sc=\eightrm % for smallish caps (NOT a caps-and-small-caps font)
+\let\mainfont=\tenrm
+\font\titlefont=cmr7 scaled\magstep4 % title on the contents page
+\font\ttitlefont=cmtt10 scaled\magstep2 % typewriter type in title
+\font\tentex=cmtex10 % TeX extended character set (used in strings)
+\fontdimen7\tentex=0pt % no double space after sentences
+
+\def\\#1{\leavevmode\hbox{\it#1\/\kern.05em}} % italic type for identifiers
+\def\|#1{\leavevmode\hbox{$#1$}} % one-letter identifiers look better this way
+\def\&#1{\leavevmode\hbox{\bf
+  \def\_{\kern.04em\vbox{\hrule width.3em height .6pt}\kern.08em}%
+  #1\/\kern.05em}} % boldface type for reserved words
+\def\.#1{\leavevmode\hbox{\tentex % typewriter type for strings
+  \let\\=\BS % backslash in a string
+  \let\'=\RQ % right quote in a string
+  \let\`=\LQ % left quote in a string
+  \let\{=\LB % left brace in a string
+  \let\}=\RB % right brace in a string
+  \let\~=\TL % tilde in a string
+  \let\ =\SP % space in a string
+  \let\_=\UL % underline in a string
+  \let\&=\AM % ampersand in a string
+  #1}}
+\def\#{\hbox{\tt\char`\#}} % parameter sign
+\def\${\hbox{\tt\char`\$}} % dollar sign
+\def\%{\hbox{\tt\char`\%}} % percent sign
+\def\^{\ifmmode\mathchar"222 \else\char`^ \fi} % pointer or hat
+% circumflex accents can be obtained from \^^D instead of \^
+\def\AT!{@} % at sign for control text
+
+\chardef\AM=`\& % ampersand character in a string
+\chardef\BS=`\\ % backslash in a string
+\chardef\LB=`\{ % left brace in a string
+\def\LQ{{\tt\char'22}} % left quote in a string
+\chardef\RB=`\} % right brace in a string
+\def\RQ{{\tt\char'23}} % right quote in a string
+\def\SP{{\tt\char`\ }} % (visible) space in a string
+\chardef\TL=`\~ % tilde in a string
+\chardef\UL=`\_ % underline character in a string
+
+\newbox\bak \setbox\bak=\hbox to -1em{} % backspace one em
+\newbox\bakk\setbox\bakk=\hbox to -2em{} % backspace two ems
+
+\newcount\ind % current indentation in ems
+\def\1{\global\advance\ind by1\hangindent\ind em} % indent one more notch
+\def\2{\global\advance\ind by-1} % indent one less notch
+\def\3#1{\hfil\penalty#10\hfilneg} % optional break within a statement
+\def\4{\copy\bak} % backspace one notch
+\def\5{\hfil\penalty-1\hfilneg\kern2.5em\copy\bakk\ignorespaces}% optional break
+\def\6{\ifmmode\else\par % forced break
+  \hangindent\ind em\noindent\kern\ind em\copy\bakk\ignorespaces\fi}
+\def\7{\Y\6} % forced break and a little extra space
+
+\newskip\intersecskip \intersecskip=12pt minus 3pt % space between sections
+\let\yskip=\smallskip
+\def\to{\mathrel{.\,.}} % double dot, used only in math mode
+\def\note#1#2.{\Y\noindent{\hangindent2em%
+    \baselineskip10pt\eightrm#1~\ifacro{\pdfnote#2.}\else#2\fi.\par}}
+
+\newtoks\toksA \newtoks\toksB \newtoks\toksC \newtoks\toksD
+\newtoks\toksE \newtoks\toksF \newtoks\usersanitizer
+\newcount\countA \countA=0 \newcount\countB \countB=0
+\newcount\countC \countC=0
+\newif\iftokprocessed \newif\ifTnum \newif\ifinstr
+{\def\\{\global\let\spacechar= }\\ }
+
+\ifacro % The following are pdf macros from 'cwebmac.tex 3.70'
+\def\thewidth{\the\wd0 \space}
+\def\theheight{\the\ht\strutbox\space}
+\def\thedepth{\the\dp\strutbox\space}
+\ifpdftex
+  \ifx\pdfannotlink\undefined\let\pdfannotlink\pdfstartlink\fi% for pdfTeX 0.14
+  \def\pdflink#1#2{\hbox{\pdfannotlink height\ht\strutbox depth\dp\strutbox
+    attr{/Border [0 0 0]} goto num #1 \Blue #1\Black\pdfendlink}}
+\else\def\pdflink#1#2{\setbox0=\hbox{\special{pdf: bc [ \pdflinkcolor ]}{#1}%
+    \special{pdf: ec}}\special{pdf: ann width \thewidth height \theheight
+      depth \thedepth << /Type /Annot /Subtype /Link
+      /Border [0 0 0] /A << /S /GoTo /D (#2) >> >>}\box0\relax}\fi
+\def\pdfnote#1.{\setbox0=\hbox{\toksA={#1.}\toksB={}\maketoks}\the\toksA}
+\def\firstsecno#1.{\setbox0=\hbox{\toksA={#1.}\toksB={}%
+    \def\makenote{\addtokens\toksB{\the\toksC}\def\makenote{\toksD={}
+      \toksC={}\let\space\empty}\makenote}\maketoks}}
+\def\addtokens#1#2{\edef\addtoks{\noexpand#1={\the#1#2}}\addtoks}
+\def\poptoks#1#2|ENDTOKS|{\let\first=#1\toksD={#1}%
+  \ifcat\noexpand\first0\countB=`#1\else\countB=0\fi\toksA={#2}}
+\def\maketoks{\expandafter\poptoks\the\toksA|ENDTOKS|%
+  \ifnum\countB>`9 \countB=0 \fi
+  \ifnum\countB<`0
+    \ifnum0=\countC\else\makenote\fi
+    \ifx\first.\let\next=\maketoksdone\else
+        \let\next=\maketoks
+        \addtokens\toksB{\the\toksD}
+        \ifx\first,\addtokens\toksB{\space}\fi
+    \fi
+  \else \addtokens\toksC{\the\toksD}\global\countC=1\let\next=\maketoks
+  \fi
+  \next
+}
+\def\makenote{\addtokens\toksB
+    {\noexpand\pdflink{\the\toksC}{\romannumeral\the\toksC}}\toksC={}\global\countC=0}
+\def\maketoksdone{\edef\st{\global\noexpand\toksA={\the\toksB}}\st}
+\def\pdfURL#1#2{\ifpdftex\pdfannotlink height\ht\strutbox depth\dp\strutbox
+  attr {/Border [0 0 0]} user { /Type /Action /Subtype /Link /A
+      << /S /URI /URI (#2) >>}\Blue #1\Black \pdfendlink
+  \else \ifpdf{\setbox0=\hbox{\special{pdf: bc [ \pdflinkcolor ]}{#1}%
+    \special{pdf: ec}}\special{pdf: ann width \thewidth\space height \theheight
+      \space depth \thedepth\space << /Border [0 0 0]
+      /Type /Action /Subtype /Link /A << /S /URI /URI (#2) >> >>}\box0\relax}%
+  \else #1 ({\tt#2})\fi\fi}
+{\catcode`\~=12 \gdef\TILDE/{~}} % ~ in a URL
+{\catcode`\_=12 \gdef\UNDER/{_}} % _ in a URL
+\def\sanitizecommand#1#2{\addtokens\usersanitizer
+       {\noexpand\dosanitizecommand\noexpand#1{#2}}}
+\def\dosanitizecommand#1#2{\ifx\nxt#1\addF{#2}\fi}
+\sanitizecommand\to{..} % a trivial example
+
+\catcode`\[=1 \catcode`\]=2 \catcode`\{=12 \catcode`\}=12
+  \def\lbchar[{]  \def\rbchar[}]
+\catcode`\[=12 \catcode`\]=12 \catcode`\{=1 \catcode`\}=2
+\catcode`\~=12 \def\tildechar{~}  \catcode`\~=13
+\catcode`\|=0 |catcode`|\=12 |def|bschar{\} |catcode`|\=0 \catcode`\|=12
+\def\makeoutlinetoks{\Tnumfalse\afterassignment\makeolproctok\let\nxt= }
+\def\makeolnexttok{\afterassignment\makeolproctok\let\nxt= }
+\def\makeolgobbletok{\afterassignment\makeolnexttok\let\nxt= }
+\def\addF#1{\addtokens\toksF{#1}\tokprocessedtrue}
+% now comes a routine to "sanitize" section names, for pdf outlines
+\def\makeolproctok{\tokprocessedfalse
+  \let\next\makeolnexttok % default
+  \ifx\nxt\outlinedone\let\next\outlinedone
+  \else\ifx{\nxt \else\ifx}\nxt \Tnumfalse \instrfalse % skip braces
+  \else\ifx$\nxt % or a $ sign
+  \else\ifx^\nxt \addF^\else\ifx_\nxt \addF_% sanitize ^ and _
+  \else\ifx\nxt\spacechar \addF\space
+  \else\if\noexpand\nxt\relax % we have a control sequence; is it one we know?
+    \ifx\nxt~\addF\space
+    \else\ifx\nxt\onespace\addF\space
+    \else\the\usersanitizer % if not recognised, skip it
+    \fi\fi
+   \else  % we don't have a control sequence, it's an ordinary char
+    \ifx/\nxt \addF{\string\/}% quote chars special to PDF with backslash
+    \else\ifx(\nxt \addF{\string\(}\else\ifx)\nxt \addF{\string\)}%
+    %\else\ifx[\nxt \addF{\string\[}\else\ifx]\nxt \addF{\string\]}%
+    \else\expandafter\makeolproctokchar\meaning\nxt
+   \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi%\fi\fi
+  \next
+}
+\def\makeolproctokchar#1 #2 #3{\addF{#3}}
+\def\outlinedone{\edef\outlinest{\global\noexpand\toksE={\the\toksF}}%
+  \outlinest\let\outlinedone=\relax}
+\fi % End of pdf macros
+
+\def\lapstar{\rlap{*}}
+\def\stsec{\rightskip=0pt % get out of Pascal mode (cf. \P)
+  \sfcode`;=1500 \pretolerance 200 \hyphenpenalty 50 \exhyphenpenalty 50
+  \noindent{\let\*=\lapstar\bf\modstar.\quad}%
+  \ifpdftex\smash{\raise\baselineskip\hbox to0pt{%
+     \let\*=\empty\pdfdest num \modstar fith}}%
+  \else\ifpdf\smash{\raise\baselineskip\hbox to0pt{%
+     \let\*=\empty\special{%
+       pdf: dest (\romannumeral\modstar) [ @thispage /FitH @ypos ]}}}\fi\fi}
+\let\startsection=\stsec
+\def\defin#1{\global\advance\ind by 2 \1\&{#1 } } % begin `define' or `format'
+\def\A{\note{See also section}} % xref for doubly defined section name
+\def\As{\note{See also sections}} % xref for multiply defined section name
+\def\B{\mathopen{\.{@\{}}} % begin controlled comment
+\def\C#1{\ifmmode\gdef\XX{\null$\null}\else\gdef\XX{}\fi %$% Pascal comments
+  \XX\hfil\penalty-1\hfilneg\quad$\{\,$#1$\,\}$\XX}
+\def\D{\defin{define}} % macro definition
+\def\E{\cdot10^} % exponent in floating point constant
+\def\ET{ and~} % conjunction between two section numbers
+\def\ETs{, and~} % conjunction between the last two of several section numbers
+\def\F{\defin{format}} % format definition
+\let\G=\ge % greater than or equal sign
+\def\H#1{\hbox{\rm\char"7D\tt#1}} % hexadecimal constant
+\let\I=\ne % unequal sign
+\def\J{\.{@\&}} % TANGLE's join operation
+\let\K=\gets % left arrow
+\let\L=\le % less than or equal sign
+\outer\def\M#1.{\MN#1.\ifon\vfil\penalty-100\vfilneg % beginning of section
+  \vskip\intersecskip\startsection\ignorespaces}
+\outer\def\N#1.#2.{\MN#1.\vfil\eject % beginning of starred section
+  \ifacro{\toksF={}\makeoutlinetoks#2\outlinedone\outlinedone}\fi
+  \def\rhead{\uppercase{\ignorespaces#2}} % define running headline
+  \message{*\modno} % progress report
+  \edef\next{\write\cont{\Z{#2}{\modno}% write to contents file
+   {\noexpand\the\pageno}}}\next % \Z{title}{sec}{page}
+  \ifpdf\special{pdf: outline 0 << /Title (\the\toksE) /Dest
+    [ @thispage /FitH @ypos ] >>}\fi
+  \ifon\startsection{\bf#2.\quad}\ignorespaces}
+\def\MN#1.{\par % common code for \M, \N
+  {\xdef\modstar{#1}\let\*=\empty\xdef\modno{#1}}% remove \* from section name
+  \ifx\modno\modstar \onmaybe \else\ontrue \fi
+  \mark{\modno}}
+\def\O#1{\hbox{\rm\char'23\kern-.2em\it#1\/\kern.05em}} % octal constant
+\def\P{\rightskip=0pt plus 100pt minus 10pt % go into Pascal mode
+  \sfcode`;=3000
+  \pretolerance 10000
+  \hyphenpenalty 1000 % so strings can be broken (discretionary \ is inserted)
+  \exhyphenpenalty 10000
+  \global\ind=2 \1\ \unskip}
+\let\R=\lnot % logical not
+\let\S=\equiv % equivalence sign
+\def\T{\mathclose{\.{@\}}}} % terminate controlled comment
+\def\U{\note{This code is used in section}} % xref for use of a section
+\def\Us{\note{This code is used in sections}} % xref for uses of a section
+\let\V=\lor % logical or
+\let\W=\land % logical and
+\def\X#1:#2\X{\ifmmode\gdef\XX{\null$\null}\else\gdef\XX{}\fi %$% section name
+  \XX$\langle\,$#2{\eightrm\kern.5em
+    \ifacro{\pdfnote#1.}\else#1\fi}$\,\rangle$\XX}
+\def\Y{\par\yskip}
+\let\Z=\let % now you can \send the control sequence \Z
+\def\){\hbox{\.{@\$}}} % sign for string pool check sum
+\def\]{\hbox{\.{@\\}}} % sign for forced line break
+\def\=#1{\kern2pt\hbox{\vrule\vtop{\vbox{\hrule
+        \hbox{\strut\kern2pt\.{#1}\kern2pt}}
+      \hrule}\vrule}\kern2pt} % verbatim string
+\let\~=\ignorespaces
+\let\*=*
+
+\def\onmaybe{\let\ifon=\maybe} \let\maybe=\iftrue
+\newif\ifon \newif\iftitle \newif\ifpagesaved
+\def\lheader{\mainfont\the\pageno\eightrm\qquad\rhead
+  \hfill\title\qquad\tensy x\mainfont\topmark} % top line on left-hand pages
+\def\rheader{\tensy x\mainfont\topmark\eightrm\qquad\title\hfill
+  \rhead\qquad\mainfont\the\pageno} % top line on right-hand pages
+%\let\page=\pagebody \raggedbottom % cweb 3.2 uses this instead of next line
+\def\page{\box255 }\normalbottom % faster, but loses plain TeX footnotes
+\def\normaloutput#1#2#3{\ifodd\pageno\hoffset=\pageshift\fi
+  \shipout\vbox{
+    \vbox to\fullpageheight{
+      \iftitle\global\titlefalse
+      \else\hbox to\pagewidth{\vbox to10pt{}\ifodd\pageno #3\else#2\fi}\fi
+      \vfill#1}} % parameter #1 is the page itself
+  \global\advance\pageno by1}
+
+\def\rhead{\.{WEB} OUTPUT} % this running head is reset by starred sections
+\def\title{\expandafter\uppercase\expandafter{\jobname}}
+\def\topofcontents{\centerline{\titlefont\title}\vskip.7in
+  \vfill} % this material will start the table of contents page
+\def\startpdf{\ifpdftex\pdfcatalog{/PageMode /UseOutlines}\else
+    \ifpdf{\special{pdf: docview << /PageMode /UseOutlines >>}}\fi\fi}
+\def\botofcontents{\vfill
+  \centerline{\covernote}} % this material will end the table of contents page
+\def\covernote{}
+\def\contentspagenumber{0} % default page number for table of contents
+\newdimen\pagewidth \pagewidth=6.5in % the width of each page
+\newdimen\pageheight \pageheight=8.7in % the height of each page
+\newdimen\fullpageheight \fullpageheight=9in % page height including headlines
+\newdimen\pageshift \pageshift=\hoffset
+   % shift righthand pages wrt lefthand ones
+\def\magnify#1{\mag=#1\pagewidth=6.5truein\pageheight=8.7truein
+  \fullpageheight=9truein\setpage}
+\def\setpage{\hsize\pagewidth\vsize\pageheight} % use after changing page size
+\def\contentsfile{CONTENTS} % file that gets table of contents info
+\def\readcontents{\input CONTENTS}
+
+\newwrite\cont
+\output{\setbox0=\page % the first page is garbage
+  \openout\cont=\contentsfile
+       \write\cont{\catcode `\noexpand\@=11\relax}   % \makeatletter
+  \global\output{\normaloutput\page\lheader\rheader}}
+\setpage
+\vbox to \vsize{} % the first \topmark won't be null
+
+\def\ch{\note{The following sections were changed by the change file:}
+  \let\*=\relax}
+\newbox\sbox % saved box preceding the index
+\newbox\lbox % lefthand column in the index
+\def\inx{\par\vskip6pt plus 1fil % we are beginning the index
+  \def\page{\box255 } \normalbottom
+  \write\cont{} % ensure that the contents file isn't empty
+       \write\cont{\catcode `\noexpand\@=12\relax}   % \makeatother
+  \closeout\cont % the contents information has been fully gathered
+  \output{\ifpagesaved\normaloutput{\box\sbox}\lheader\rheader\fi
+    \global\setbox\sbox=\page \global\pagesavedtrue}
+  \pagesavedfalse \eject % eject the page-so-far and predecessors
+  \setbox\sbox\vbox{\unvbox\sbox} % take it out of its box
+  \vsize=\pageheight \advance\vsize by -\ht\sbox % the remaining height
+  \hsize=.5\pagewidth \advance\hsize by -10pt
+    % column width for the index (20pt between cols)
+  \parfillskip 0pt plus .6\hsize % try to avoid almost empty lines
+  \def\lr{L} % this tells whether the left or right column is next
+  \output{\if L\lr\global\setbox\lbox=\page \gdef\lr{R}
+    \else\normaloutput{\vbox to\pageheight{\box\sbox\vss
+        \hbox to\pagewidth{\box\lbox\hfil\page}}}\lheader\rheader
+    \global\vsize\pageheight\gdef\lr{L}\global\pagesavedfalse\fi}
+  \message{Index:}
+  \parskip 0pt plus .5pt
+  \outer\def\:##1, ##2.{\par\hangindent2em\noindent##1:\kern1em
+    \ifacro\pdfnote##2.\else##2\fi.} % index entry
+  \let\ttentry=\. \def\.##1{\ttentry{##1\kern.2em}} % give \tt a little room
+  \def\[##1]{$\underline{##1}$} % underlined index item
+  \rm \rightskip0pt plus 2.5em \tolerance 10000 \let\*=\lapstar
+  \hyphenpenalty 10000 \parindent0pt}
+\def\fin{\par\vfill\eject % this is done when we are ending the index
+  \ifpagesaved\null\vfill\eject\fi % output a null index column
+  \if L\lr\else\null\vfill\eject\fi % finish the current page
+  \ifpdftex \makebookmarks \fi % added in Version 4.5
+  \parfillskip 0pt plus 1fil
+  \def\rhead{NAMES OF THE SECTIONS}
+  \message{Section names:}
+  \output={\normaloutput\page\lheader\rheader}
+  \setpage
+  \def\note##1##2.{\quad{\eightrm##1~\ifacro{\pdfnote##2.}\else{##2}\fi.}}
+  \linepenalty=10 % try to conserve lines
+  \def\U{\note{Used in section}} % crossref for use of a section
+  \def\Us{\note{Used in sections}} % crossref for uses of a section
+  \def\:{\par\hangindent 2em}\let\*=*\let\.=\ttentry
+  \ifacro \def\outsecname{Names of the sections} \let\Xpdf\X
+  \ifpdftex \pdfdest name {NOS} fith
+    \pdfoutline goto name {NOS} count -\modno {\outsecname}
+    \def\X##1:##2\X{\Xpdf##1:##2\X \firstsecno##1.%
+      {\toksF={}\makeoutlinetoks##2\outlinedone\outlinedone}%
+      \pdfoutline goto num \the\toksA \expandafter{\the\toksE}}
+  \else\ifpdf
+    \special{pdf: outline -1 << /Title (\outsecname)
+      /Dest [ @thispage /FitH @ypos ] >>}
+    \def\X##1:##2\X{\Xpdf##1:##2\X \firstsecno##1.%
+      {\toksF={}\makeoutlinetoks##2\outlinedone\outlinedone}%
+      \special{pdf: outline 0 << /Title (\the\toksE)
+        /A << /S /GoTo /D (\romannumeral\the\toksA) >> >>}}
+  \fi\fi\fi}
+\def\makebookmarks{\def\?##1]{[##1]}%
+  \let\Z=\writebookmarkline \readcontents\relax}
+\def\expnumber#1{\expandafter\ifx\csname#1\endcsname\relax 0%
+  \else \csname#1\endcsname \fi} % Petr Olsak's macros from texinfo.tex
+\def\advancenumber#1{\countA=\expnumber{#1}\relax \advance\countA by1
+  \expandafter\xdef\csname#1\endcsname{\the\countA}}
+\def\writebookmarkline#1#2#3{{%
+  \let\(=\let \let\)=\let \let\[=\let \let\]=\let \let\/=\let
+  \pdfoutline goto num #2{#1}}}
+\def\con{\par\vfill\eject % finish the section names
+% \ifodd\pageno\else\titletrue\null\vfill\eject\fi % for duplex printers
+  \rightskip 0pt \hyphenpenalty 50 \tolerance 200
+  \setpage \output={\normaloutput\page\lheader\rheader}
+  \titletrue % prepare to output the table of contents
+  \pageno=\contentspagenumber
+  \def\rhead{TABLE OF CONTENTS}
+  \message{Table of contents:}
+  \topofcontents \startpdf
+  \line{\hfil Section\hbox to3em{\hss Page}}
+  \let\Z=\contentsline
+  \readcontents\relax % read the contents info
+  \botofcontents \end} % print the contents page(s) and terminate
+\def\contentsline#1#2#3{%
+    \line{\ignorespaces#1
+      \rm\leaders\hbox to .5em{.\hfil}\hfil
+      \ \ifacro\pdflink{#2}{\romannumeral#2}\else#2\fi\hbox to3em{\hss#3}}}
+\def\today{\ifcase\month\or
+  January\or February\or March\or April\or May\or June\or
+  July\or August\or September\or October\or November\or December\fi
+  \space\number\day, \number\year}
+\newcount\twodigits
+\def\hours{\twodigits=\time \divide\twodigits by 60 \printtwodigits
+  \multiply\twodigits by-60 \advance\twodigits by\time :\printtwodigits}
+\def\gobbleone1{}
+\def\printtwodigits{\advance\twodigits100
+  \expandafter\gobbleone\number\twodigits
+  \advance\twodigits-100 }
+\def\datethis{\def\startsection{\leftline{\sc\today\ at \hours}\bigskip
+  \let\startsection=\stsec\stsec}}
+  % say `\datethis' in limbo, to get your listing timestamped before section 1
+\def\datecontentspage{% say this in limbo to get the toc page timestamped
+  \def\botofcontents{\vfill
+   \centerline{\covernote}
+   \bigskip
+   \leftline{\sc\today\ at \hours}}} % timestamps the contents page