CTAN sync 202104180301

25 files changed, 113 insertions, 66 deletions

diff --git a/macros/latex/contrib/acmart/README b/macros/latex/contrib/acmart/README
index d5850e46f7..9b623902ff 100644
--- a/macros/latex/contrib/acmart/README
+++ b/macros/latex/contrib/acmart/README
@@ -285,4 +285,5 @@ Version 1.75.  \country is now obligatory for addresses.
 Version 1.76.  Added many journal abbreviations to the bst.
 	       New experimental option: pbalance
 	       ORCID linking code
-	       
\ No newline at end of file
+
+Version 1.77.  Changed the way to typset multiple affiliations (Christoph Sommer)
\ No newline at end of file
diff --git a/macros/latex/contrib/acmart/acmart.dtx b/macros/latex/contrib/acmart/acmart.dtx
index e8089a3910..c0e62e554c 100644
--- a/macros/latex/contrib/acmart/acmart.dtx
+++ b/macros/latex/contrib/acmart/acmart.dtx
@@ -140,6 +140,7 @@
 %  David Shamma,
 %  Gabriel Scherer,
 %  Kartik Singhal,
+%  Christoph Sommer,
 %  Stephen Spencer,
 %  Shin Hwei Tan,
 %  Daniel Thomas,
@@ -1906,7 +1907,7 @@
 \ProvidesFile{acmart.dtx}
 %</gobble>
 %<class>\ProvidesClass{acmart}
-[2021/02/21 v1.76 Typesetting articles for the Association for Computing Machinery]
+[2021/04/16 v1.77 Typesetting articles for the Association for Computing Machinery]
 %    \end{macrocode}
 %
 % \changes{v1.00}{2016/04/14}{First released version}
@@ -6195,6 +6196,7 @@
 % \begin{macro}{\@mkauthorsaddresses}
 % \changes{v1.46}{2017/08/27}{Introduced macro}
 % \changes{v1.65}{2019/10/13}{Deleted cs{@addpunct}}
+% \changes{v1.77}{2021/04/16}{New separator of institutions}
 % Typesetting authors' addresses in the footnote style
 %    \begin{macrocode}
 \def\@mkauthorsaddresses{%
@@ -6206,12 +6208,13 @@
   \def\streetaddress##1{\unskip, ##1}%
   \def\postcode##1{\unskip, ##1}%
   \def\position##1{\unskip\ignorespaces}%
-  \def\institution##1{\unskip, ##1}%
+  \gdef\@ACM@institution@separator{, }%
+  \def\institution##1{\unskip\@ACM@institution@separator ##1\gdef\@ACM@institution@separator{ and }}%
   \def\city##1{\unskip, ##1}%
   \def\state##1{\unskip, ##1}%
   \renewcommand\department[2][0]{\unskip\@addpunct, ##2}%
   \def\country##1{\unskip, ##1}%
-  \def\and{\unskip; }%
+  \def\and{\unskip; \gdef\@ACM@institution@separator{, }}%
   \def\@author##1{##1}%
   \def\email##1##2{\unskip, \nolinkurl{##2}}%
   \addresses
diff --git a/macros/latex/contrib/acmart/acmart.pdf b/macros/latex/contrib/acmart/acmart.pdf
index 778ee57b72..c6d2536d6a 100644
--- a/macros/latex/contrib/acmart/acmart.pdf
+++ b/macros/latex/contrib/acmart/acmart.pdf
diff --git a/macros/latex/contrib/acmart/acmguide.pdf b/macros/latex/contrib/acmart/acmguide.pdf
index 5f74086d59..b78e8dc8b5 100644
--- a/macros/latex/contrib/acmart/acmguide.pdf
+++ b/macros/latex/contrib/acmart/acmguide.pdf
diff --git a/macros/latex/contrib/acmart/samples/sample-acmlarge.pdf b/macros/latex/contrib/acmart/samples/sample-acmlarge.pdf
index e451d810ee..d82e7482eb 100644
--- a/macros/latex/contrib/acmart/samples/sample-acmlarge.pdf
+++ b/macros/latex/contrib/acmart/samples/sample-acmlarge.pdf
diff --git a/macros/latex/contrib/acmart/samples/sample-acmsmall-conf.pdf b/macros/latex/contrib/acmart/samples/sample-acmsmall-conf.pdf
index b7450c8fd5..113cc1abbd 100644
--- a/macros/latex/contrib/acmart/samples/sample-acmsmall-conf.pdf
+++ b/macros/latex/contrib/acmart/samples/sample-acmsmall-conf.pdf
diff --git a/macros/latex/contrib/acmart/samples/sample-acmsmall-submission.pdf b/macros/latex/contrib/acmart/samples/sample-acmsmall-submission.pdf
index 255345f4d8..1906e776a7 100644
--- a/macros/latex/contrib/acmart/samples/sample-acmsmall-submission.pdf
+++ b/macros/latex/contrib/acmart/samples/sample-acmsmall-submission.pdf
diff --git a/macros/latex/contrib/acmart/samples/sample-acmsmall.pdf b/macros/latex/contrib/acmart/samples/sample-acmsmall.pdf
index 878ff72cea..27aae47e2d 100644
--- a/macros/latex/contrib/acmart/samples/sample-acmsmall.pdf
+++ b/macros/latex/contrib/acmart/samples/sample-acmsmall.pdf
diff --git a/macros/latex/contrib/acmart/samples/sample-acmtog.pdf b/macros/latex/contrib/acmart/samples/sample-acmtog.pdf
index 2c88ef5a4a..91359df33c 100644
--- a/macros/latex/contrib/acmart/samples/sample-acmtog.pdf
+++ b/macros/latex/contrib/acmart/samples/sample-acmtog.pdf
diff --git a/macros/latex/contrib/acmart/samples/sample-authordraft.pdf b/macros/latex/contrib/acmart/samples/sample-authordraft.pdf
index 6a4d4115cb..c2c9075ba6 100644
--- a/macros/latex/contrib/acmart/samples/sample-authordraft.pdf
+++ b/macros/latex/contrib/acmart/samples/sample-authordraft.pdf
diff --git a/macros/latex/contrib/acmart/samples/sample-lualatex.pdf b/macros/latex/contrib/acmart/samples/sample-lualatex.pdf
index 20b03c985e..0b4fbd4d3d 100644
--- a/macros/latex/contrib/acmart/samples/sample-lualatex.pdf
+++ b/macros/latex/contrib/acmart/samples/sample-lualatex.pdf
diff --git a/macros/latex/contrib/acmart/samples/sample-manuscript.pdf b/macros/latex/contrib/acmart/samples/sample-manuscript.pdf
index 03cca1589c..effe8aa896 100644
--- a/macros/latex/contrib/acmart/samples/sample-manuscript.pdf
+++ b/macros/latex/contrib/acmart/samples/sample-manuscript.pdf
diff --git a/macros/latex/contrib/acmart/samples/sample-sigconf.pdf b/macros/latex/contrib/acmart/samples/sample-sigconf.pdf
index e1b6a010d9..5a9c0f6cf8 100644
--- a/macros/latex/contrib/acmart/samples/sample-sigconf.pdf
+++ b/macros/latex/contrib/acmart/samples/sample-sigconf.pdf
diff --git a/macros/latex/contrib/acmart/samples/sample-sigplan.pdf b/macros/latex/contrib/acmart/samples/sample-sigplan.pdf
index 830baea1a8..2237485dcc 100644
--- a/macros/latex/contrib/acmart/samples/sample-sigplan.pdf
+++ b/macros/latex/contrib/acmart/samples/sample-sigplan.pdf
diff --git a/macros/latex/contrib/acmart/samples/sample-xelatex.pdf b/macros/latex/contrib/acmart/samples/sample-xelatex.pdf
index a4cc1f8f39..74fcfe089f 100644
--- a/macros/latex/contrib/acmart/samples/sample-xelatex.pdf
+++ b/macros/latex/contrib/acmart/samples/sample-xelatex.pdf
diff --git a/macros/latex/contrib/easybook/doc/chapter1.tex b/macros/latex/contrib/easybook/doc/chapter1.tex
index 2a64571f75..d6c964f4eb 100644
--- a/macros/latex/contrib/easybook/doc/chapter1.tex
+++ b/macros/latex/contrib/easybook/doc/chapter1.tex
@@ -48,10 +48,10 @@
 \begin{figure}[htbp]
   \centering
   \subcaptionbox{并排子图1}
-    {\includegraphics[width=0.4\textwidth]{example-image-4x3}}
+    {\includegraphics[width = 0.4\textwidth]{example-image-4x3}}
   \hspace{1.2em}
   \subcaptionbox{并排子图2}
-    {\includegraphics[width=0.4\textwidth]{example-image-4x3}}
+    {\includegraphics[width = 0.4\textwidth]{example-image-4x3}}
   \bicaption[使用 subcaption 排版子图]{使用 subcaption 宏包的 subcaptionbox 命令排版子图}[Use subcaption to typeset subgraphs]{Use the subcaptionbox command of the subcaption package to typeset sub-pictures}\label{fig:example}
 \end{figure} 
 
diff --git a/macros/latex/contrib/easybook/doc/easybook-demo.pdf b/macros/latex/contrib/easybook/doc/easybook-demo.pdf
index d643457c98..9d626ff452 100644
--- a/macros/latex/contrib/easybook/doc/easybook-demo.pdf
+++ b/macros/latex/contrib/easybook/doc/easybook-demo.pdf
diff --git a/macros/latex/contrib/easybook/doc/easybook-demo.tex b/macros/latex/contrib/easybook/doc/easybook-demo.tex
index c1f6df2024..8940bd758d 100644
--- a/macros/latex/contrib/easybook/doc/easybook-demo.tex
+++ b/macros/latex/contrib/easybook/doc/easybook-demo.tex
@@ -104,7 +104,7 @@
     \url{https://latexstudio.net} \\
     \url{https://gitee.com/texl3/easybook}\thanks{Gitee为项目的主要发布地址。}
   }
-\date{2021/04/12\hskip\ccwd\relax v1.24l}
+\date{2021/04/17\hskip\ccwd\relax v1.24m}
 
 \frontmatter[roman]
 \maketitle
diff --git a/macros/latex/contrib/easybook/doc/easybook.pdf b/macros/latex/contrib/easybook/doc/easybook.pdf
index 02a75ebd24..07582b235b 100644
--- a/macros/latex/contrib/easybook/doc/easybook.pdf
+++ b/macros/latex/contrib/easybook/doc/easybook.pdf
diff --git a/macros/latex/contrib/easybook/easybook.dtx b/macros/latex/contrib/easybook/easybook.dtx
index 05282d5c78..09fa1194ae 100644
--- a/macros/latex/contrib/easybook/easybook.dtx
+++ b/macros/latex/contrib/easybook/easybook.dtx
@@ -55,7 +55,7 @@ The latest version of this license is in
 %
 % \title{\sffamily easybook 书籍文档类}
 % \author{瞿毅}
-% \date{2021/04/12\hskip\ccwd\relax v1.24l\thanks{\url{https://gitee.com/texl3/easybook}}}
+% \date{2021/04/17\hskip\ccwd\relax v1.24m\thanks{\url{https://gitee.com/texl3/easybook}}}
 % \maketitle
 % \begin{abstract}
 %   \cls{easybook} 是基于 \cls{ctexbook} 书籍文档类创建以极简为风格的模板，可以看作对 \cls{ctexbook} 的进一步包装。虽然\CTeX 文档类提供了较好的中文支持，但想实现个性化功能一般需要在其基础上载入更多宏包来定制。\cls{easybook} 考虑了一些细节并载入一些常用宏包实现一般的排版需求，它适用于排版中英文书籍或笔记，甚至可稍加调整成为学位论文模板。
@@ -174,7 +174,7 @@ The latest version of this license is in
 % \end{syntax}
 % \opt{multoc} 与 \opt{style/multoc} 选项具有相同的效果，但是具有优先性且可单独设置不同目录是否双栏排版。已经预置了中英文的目录标题，可以使用 \opt{title} 选项更改目录标题的名称。\opt{book} 选项使目录标题按照 \opt{chapter} 级别输出，\opt{article} 选项使目录标题按照 \opt{article} 级别输出，默认为 \opt{chapter} 级别。
 % \changes{v1.23}{2021/03/15}{为几个目录增加键值列表的选项，可设置标题输出级别以及是否加入主目录。}
-% \changes{v1.24l}{2021/04/04}{目录命令的可选参数增加标题键值。}
+% \changes{v1.24m}{2021/04/04}{目录命令的可选参数增加标题键值。}
 % \end{function}
 %
 % \section{接口选项}
@@ -265,7 +265,7 @@ The latest version of this license is in
 % \ding{229} 以上选项路径为 \opt{link/...} \\
 % \opt{link} 将超链接选项（包括以上选项）交给 \pkg{hyperref} 处理，除了一些关于 pdf 书签的选项可能会失效，其它由键值选项命令 \tn{hypersetup} 支持的多数选项可用。
 % \changes{v1.10}{2021/01/08}{修复了 \opt{linktopage} 选项关闭时目录中标题编号无超链接的问题。}
-% \changes{v1.24l}{2021/04/05}{增加 \pkg{hyperref} 超链接选项完整的支持。}
+% \changes{v1.24m}{2021/04/05}{增加 \pkg{hyperref} 超链接选项完整的支持。}
 % \end{function}
 %
 % \begin{optdesc}
@@ -342,7 +342,7 @@ The latest version of this license is in
 % \ding{229} 以上选项路径为 \opt{bibset/...}
 % \changes{v1.21}{2021/01/11}{增加 \opt{bibset} 选项，可以使用 \hologo{BibTeX} 或 \hologo{biber} 编译参考文献。}
 % \changes{v1.23}{2021/02/23}{使用 \opt{bibset} 选项时可设置标注风格。}
-% \changes{v1.24l}{2021/04/09}{可以不载入参考文献包手动配置参考文献格式。}
+% \changes{v1.24m}{2021/04/09}{可以不载入参考文献包手动配置参考文献格式。}
 % \end{function}
 %
 % \begin{optdesc}
@@ -398,8 +398,8 @@ The latest version of this license is in
 %   \item[within] 定理编号跟随的计数器，默认跟随章的编号，也可以跟随其它定理环境的编号，当计数器增加时定理编号会从零开始，空置时不跟随其它计数器。
 %   \item[headpunct] 定理标题末尾后的标记，在换行符或第一段内容的间隔之前。
 %   \item[bodyfont] 定理内容部分的字体。
-%   \item[notefont] 定理副标题内容的字体。
-%   \item[headfont] 定理种类标题名的字体。
+%   \item[notefont] 定理题注部分的字体。
+%   \item[headfont] 定理标题部分的字体。
 %   \item[headindent] 定理标题的缩进，默认无缩进，可用 \tn{parindent} 命令设置为段落缩进。
 %   \item[spaceabove] 定理环境前的间距。
 %   \item[spacebelow] 定理环境后的间距。
@@ -490,7 +490,7 @@ The latest version of this license is in
 % \changes{v1.21}{2021/01/13}{增加配置页眉页脚的选项。}
 % \changes{v1.23}{2021/03/08}{优化页眉页脚设置，增加 \opt{chap-mark} 和 \opt{sec-mark} 标志选项。}
 % \changes{v1.23}{2021/03/14}{可以手动绘制页眉、页脚和脚注的横线。}
-% \changes{v1.24l}{2021/04/09}{增加 \opt{subsec-mark} 标志选项，仅在 \opt{article} 模式生效。}
+% \changes{v1.24m}{2021/04/09}{增加 \opt{subsec-mark} 标志选项，仅在 \opt{article} 模式生效。}
 % \end{function}
 %
 % \begin{function}[added = 2021-01-13,updated = 2021-03-14]{\easyhead,\easyfoot}
@@ -560,8 +560,8 @@ The latest version of this license is in
 %   line-align = <(true)|false>
 % \end{syntax}
 % \opt{lolskip} 是代码目录中章之间的代码标题的距离，与\CTeX 的表格目录和图片目录中章之间的标题距离选项 \opt{lotskip} 和 \opt{lofskip} 类似，它们的值均默认0.8 pc，在 \opt{article} 模式中此选项失效。目录标签整体使用 \opt{tocline} 设置，也可使用小节 \ref{subsec:page margins} 的 \opt{list-labelsep} 选项只设置编号与标题的间距。在图表标签的参数中，\#1与\#2分别代表编号和标题，代码标签的编号和标题则是 \tn{thelstlisting} 和 \tn{lstcaption}，标签中还可包含标签名称，默认标签名称与图、表和代码环境的标题名称一致。下面举个设置标签的例子
-% \changes{v1.24l}{2021/04/05}{可以设置图、表和代码目录的标签。}
-% \changes{v1.24l}{2021/04/06}{增加目录引导线右边对齐方式。}
+% \changes{v1.24m}{2021/04/05}{可以设置图、表和代码目录的标签。}
+% \changes{v1.24m}{2021/04/06}{增加目录引导线右边对齐方式。}
 % \end{function}
 %
 % \begin{ctexexam}
@@ -594,7 +594,7 @@ The latest version of this license is in
 %   \tn{end}\marg{环境名}
 % \end{syntax}
 % \pkg{enumitem} 宏包为系统预置的列表环境 \env{enumerate}、\env{itemize}和 \env{description} 提供了更灵活的标签以及间距的控制，可使用 \tn{setlist} 命令设置原有的三种列表格式。已为三种列表预置了三个级别的格式可相互嵌套，默认标签与 \cls{book} 文档类相同，若自定义标签可例如
-% \changes{v1.24l}{2021/04/08}{重新优化列表环境的配置。}
+% \changes{v1.24m}{2021/04/08}{重新优化列表环境的配置。}
 % \end{function}
 %
 % \begin{ctexexam}
@@ -631,7 +631,7 @@ The latest version of this license is in
 % \label{subsec:theorem}
 % \begin{function}[added = 2021-01-05,updated = 2021-01-08]{theorem,definition,lemma,corollary,proposition,example,remark,proof}
 % \begin{syntax}
-%   \tn{begin}\marg{环境名}
+%   \tn{begin}\marg{环境名}\oarg{定理题注}
 %   \  <定理内容>
 %   \tn{end}\marg{环境名}
 % \end{syntax}
@@ -760,7 +760,7 @@ The latest version of this license is in
 %   \tn{labelformat}\marg{计数器}\marg{标签引用格式}
 % \end{syntax}
 % 使用 \tn{ref} 命令进行引用将会自动检测环境并添加相应的前缀，\tn{labelformat} 可以设置标签引用格式，第二个参数中\#1代表 \tn{the}\meta{计数器}，可以设置引用序号的前缀和后缀。
-% \changes{v1.24l}{2021/04/11}{取消载入 \pkg{cleveref} 宏包来交叉引用。}
+% \changes{v1.24m}{2021/04/11}{取消载入 \pkg{cleveref} 宏包来交叉引用。}
 % \end{function}
 %
 % \subsubsection{索引}
@@ -856,6 +856,7 @@ The latest version of this license is in
 %   \item[booktabs] 为表格提供三线表式的命令。
 %   \item[enumitem] 提供列表环境的布局控制。
 %   \item[listings] 可以在\LaTeX 中排版程序/编程代码。
+%   \item[hyperref] 处理交叉引用命令以及在文档中生成超文本链接。
 %   \item[\ding{75} tcolorbox] 为带有标题线的彩色和带框文本框提供了一个环境。
 %   \item[\ding{75} tasks] 将练习题组织成水平而不是垂直计数的列。
 %   \item[\ding{75} imakeidx] 可以让文档同时生成和排版一个或多个索引。
@@ -869,7 +870,7 @@ The latest version of this license is in
 %<*class>
 \NeedsTeXFormat{LaTeX2e}[2020/10/01]
 \RequirePackage{l3keys2e,etoolbox}
-\ProvidesExplClass{easybook}{2021/04/12}{1.24l}{beta}
+\ProvidesExplClass{easybook}{2021/04/17}{1.24m}{beta}
 
 \cs_generate_variant:Nn \__ctex_define:nn {nx}
 \cs_generate_variant:Nn \int_to_arabic:n {v}
diff --git a/macros/latex/contrib/fancypar/fancypar.dtx b/macros/latex/contrib/fancypar/fancypar.dtx
index 68a8e6926c..6335941e49 100644
--- a/macros/latex/contrib/fancypar/fancypar.dtx
+++ b/macros/latex/contrib/fancypar/fancypar.dtx
@@ -1,6 +1,6 @@
 % \iffalse meta-comment
 %
-% Copyright (C) 2010, 2019 by Gonzalo Medina
+% Copyright (C) 2010, 2019, 2021 by Gonzalo Medina
 %
 % --------------------------------------------------------------------------
 %
@@ -117,6 +117,7 @@
 %
 % \changes{v 1.1}{2010/04/25}{First revision}
 % \changes{v 1.2}{2019/01/18}{Second revision}
+% \changes{v 1.3}{2021/04/17}{Third revision}
 %
 % \GetFileInfo{fancypar.sty}
 %
@@ -584,7 +585,7 @@
 % Standard identification:
 % \begin{macrocode}
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{fancypar}[2019/01/18 v1.2 fancy paragraphs]
+\ProvidesPackage{fancypar}[2021/04/17 v1.3 fancy paragraphs]
 
 %    \end{macrocode}
 %
@@ -944,6 +945,7 @@
 % styles (and must be used in newly defined ones). A description can be found in
 % \cite{eijk}.
 % \changes{v 1.2}{2019/01/18}{Now all other styles also admit more than one paragraph. Thanks to Frank Mittelbach}
+% \changes{v 1.3}{2021/04/17}{An additional unskip was added since the 2021 release of LaTeX adds an extra glue in the material between paragraphs. Thanks to Frank Mittelbach}
 % \begin{macrocode}
 \newsavebox\linebox%
 \def\add@fancy@format{% 
@@ -952,6 +954,7 @@
     \unskip 
     \unpenalty
     \unskip %Allows more than one paragraph in MarkedPar, DashedPar, ZebraPar, and UnderlinedPar. Thanks to Frank Mittelbach 
+    \unskip %Required after the 2021 LaTeX release to handle an additional glue in the material between paragraphs. Thanks to Frank Mittelbach 
     {\add@fancy@format}% 
     \FancyFormat
   \fi 
diff --git a/macros/latex/contrib/fancypar/fancypar.ins b/macros/latex/contrib/fancypar/fancypar.ins
index 95b8490394..e98c9f0a42 100644
--- a/macros/latex/contrib/fancypar/fancypar.ins
+++ b/macros/latex/contrib/fancypar/fancypar.ins
@@ -2,7 +2,7 @@
 \keepsilent
 \preamble
 
-Copyright (C) 2010, 2019 Gonzalo Medina (gmedinaar@unal.edu.co)
+Copyright (C) 2010, 2019, 2021 Gonzalo Medina (gmedinaar@unal.edu.co)
 
 --------------------------------------------------------------------------
 
diff --git a/macros/latex/contrib/fancypar/fancypar.pdf b/macros/latex/contrib/fancypar/fancypar.pdf
index 8fcfe3e5c1..16753185d6 100644
--- a/macros/latex/contrib/fancypar/fancypar.pdf
+++ b/macros/latex/contrib/fancypar/fancypar.pdf
diff --git a/macros/latex/contrib/fontsize/fontsize.dtx b/macros/latex/contrib/fontsize/fontsize.dtx
index a471f4c5ca..cde1960fad 100644
--- a/macros/latex/contrib/fontsize/fontsize.dtx
+++ b/macros/latex/contrib/fontsize/fontsize.dtx
@@ -56,14 +56,13 @@ This work has the LPPL maintenance status "author-maintained".
 %<package>\NeedsTeXFormat{LaTeX2e}[2005/12/01]
 %<package>\ProvidesPackage{fontsize}
 %<*package>
-  [2021/03/14 v0.8.1 'fontsize' package. Set main font sizes (Ivan Valbusa)]
+  [2021/04/17 v0.8.2 'fontsize' package. Set main font sizes (Ivan Valbusa)]
 %</package>
 %<*driver>
 \documentclass[12pt]{ltxdoc}
 \usepackage[T1]{fontenc}
 \usepackage[utf8]{inputenc}
-\usepackage{fontsize}  
-  \changefontsize[13.7]{11.7}
+\usepackage[fontsize=12]{fontsize}  
 %--------------------------------------------------------
 % GRAPHICS
 %--------------------------------------------------------
@@ -176,6 +175,7 @@ This work has the LPPL maintenance status "author-maintained".
 %
 % Commands for table 1 and 2
 %
+\def\tabonefontsize{\fontsize{12}{14.2}\selectfont}
 \ExplSyntaxOn
 \NewExpandableDocumentCommand{\getsize}{O{5}m}
 {
@@ -268,7 +268,7 @@ This work has the LPPL maintenance status "author-maintained".
 %</driver>
 % \fi
 %
-% \CheckSum{3064}
+% \CheckSum{3067}
 %
 % \CharacterTable
 %  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
@@ -287,8 +287,9 @@ This work has the LPPL maintenance status "author-maintained".
 %   Right brace   \}     Tilde         \~}
 %
 %
+% \changes{v0.8.2}{2021/04/17}{New \cmd{parindent} option. Updated documentation.}
 % \changes{v0.8.1}{2021/03/14}{New \cmd{sampletext} command. 
-% Some lengths are now defined via \sty{xfp} package. Removed \cmd{headheight} definition. Updated documentation.}
+ % Some lengths are now defined via \sty{xfp} package. Removed \cmd{headheight} definition. Updated documentation.}
 % \changes{v0.8}{2021/03/04}{Corrected a bug occuring when the line spacing is grater than \SI{163.84}{pt}.}
 % \changes{v0.7}{2021/02/10}{New font sizing commands \cmd{HUGE}, \cmd{HUGEr}, \cmd{HUGErr}, \cmd{HUGErrr}. Changed default name for the \file{.clo} file to \opt{fontsize}. Updated documentation.}
 % \changes{v0.6}{2021/02/06}{New font sizing commands from \cmd{small} down. Updated documentation.}
@@ -324,16 +325,19 @@ This work has the LPPL maintenance status "author-maintained".
 % \DoNotIndex{\huge,\large,\makebox,\ProcessOptions,\renewcommand}
 %
 % \thispagestyle{empty}
+%
 % \begin{tikzpicture}[overlay,remember picture]
-% \draw[circular drop shadow,draw=none,fill=white] (current page.center) circle (6cm) node[align=center,anchor=center] {%
+% \draw[circular drop shadow,draw=none,fill=white] (current page.center) circle (6cm)
+% node[align=center,anchor=center] {%
 % Ivan Valbusa\\[1cm]
 % 
-%\Huge\color{gray}\bfseries \parbox{10cm}{\centering The \\{{\color{philA}\fontsize{30}{32}\textsf{fontsize}}\\ package}}\\[1cm]
+% \Huge\color{gray}\bfseries \parbox{10cm}{\centering The
+% \\{{\color{philA}\fontsize{30}{32}\textsf{fontsize}}\\ package}}\\[1cm]
 % \color{black!60!Goldenrod}
 %
-%\normalsize \fileversion{} -- \filedate
+% \normalsize \fileversion{} -- \filedate
 % 
-%};
+% };
 % \end{tikzpicture}
 % \clearpage\thispagestyle{empty}
 % \null\vspace{1cm}
@@ -406,7 +410,9 @@ This work has the LPPL maintenance status "author-maintained".
 %
 % The code is an excerpt of the \sty{scrextend} and 
 % \sty{scrfontsizes} packages \parencite{koma}, with few minor 
-% changes to make it completely independent of the KOMA-script bundle and with a couple of new features. The package is updated to version |3390 2019-11-18 17:09:35Z| of the \file{scrkernel-fonts.dtx} file.
+% changes to make it completely independent of the KOMA-script bundle and with 
+% a couple of new features. The package is updated to version 
+%|3390 2019-11-18 17:09:35Z| of the \file{scrkernel-fonts.dtx} file.
 %
 %^^A---------------------------------------------------------------------
 % \section*{Caveat}
@@ -415,11 +421,13 @@ This work has the LPPL maintenance status "author-maintained".
 % Although effective with any value of the font size (as long as the font 
 % is scalable), the package is meant for small font size changes. 
 % For truly optimal results you should (re)define your own \file{.clo} file. 
-% In fact note that the file generated with \cmd{generateclofile}, as well as the  macros redefined via \cmd{changefontsize}, are a subset of the standard \file{.clo} files.
+% In fact note that the file generated with \cmd{generateclofile}, 
+% as well as the  macros redefined via \cmd{changefontsize}, 
+% are a subset of the standard \file{.clo} files.
 %^^A---------------------------------------------------------------------
 % \section{Usage}
 %^^A---------------------------------------------------------------------
-%^^A \enlargethispage{\baselineskip}
+% \enlargethispage{\baselineskip}
 %
 % The package can be loaded, as usual, with:
 % \begin{ttquote}
@@ -443,12 +451,14 @@ This work has the LPPL maintenance status "author-maintained".
 % You can use any unit recognized by \TeX\ and you can 
 % omit the unit as well (in which case it defaults to \texttt{pt}).
 %
-% \begin{footnotesize}
-% As \sty{fontsize} takes effect after the class is loaded, you should 
-% set a font size class option that comes close to the font size passed 
-% to \sty{fontsize}. For example, 
-% if you set \opt{fontsize=12.2pt} you should load the class option \opt{12pt}.
-% \end{footnotesize}
+%^^A \begin{footnotesize}
+%
+%^^A As \sty{fontsize} takes effect after the class is loaded, you should 
+%^^A set a font size class option (if available) that comes close to the one 
+%^^A loaded by the package. For example,
+%^^A if you set \opt{fontsize=12.2pt} you should load the class option \opt{12pt}.
+%
+%^^A \end{footnotesize}
 % 
 % \optitem[fontsize]{cloname}{\meta{name}}
 %  
@@ -463,6 +473,11 @@ This work has the LPPL maintenance status "author-maintained".
 %^^A \file{fontsize-std11pt.clo} or 
 %^^A \file{fontsize-std11pt.clo} will be used, 
 %
+% \optitem[1.5em]{parindent}{\meta{dimen}}
+%
+% Sets the value of \cmd{parindent}. You can use any unit recognized by 
+% \TeX\ but for consistency it is preferable to use a
+% font-dependent unit such as em.
 % 
 % \end{optionlist*}
 %
@@ -534,7 +549,8 @@ This work has the LPPL maintenance status "author-maintained".
 % \subsection{New font sizing commands}\label{sec:sizingcmd}
 %^^A--------------------------------------------------------------------
 %
-% The package provides three additional font sizing commands for each standard size (plus the new \cmd{HUGE} command).
+% The package provides three additional font sizing commands 
+% for each standard size (plus the new \cmd{HUGE} command).
 % See table \ref{tab:sizes} for details.
 % \medskip
 %
@@ -593,7 +609,6 @@ This work has the LPPL maintenance status "author-maintained".
 % }
 %\medskip
 %
-% \begin{small}
 %\alert  If you want these commands to work as expected, the font must be 
 % smoothly scalable. 
 % This is the case of many Type 1 and Open Type fonts such as Cochineal 
@@ -633,11 +648,9 @@ This work has the LPPL maintenance status "author-maintained".
 %^^A \cmd{RequirePackage}|{fix-cm}| just before \cmd{documentclass}. 
 %
 %
-% \end{small}
-%
-%\newgeometry{top=2cm,bottom=3cm}
+%^^A\newgeometry{top=2cm,bottom=3cm}
 %
-%\begin{smallrrr}
+%^^A\begin{smallrrr}
 %
 %\def\grayrule{\\\tabucline[0.4pt black!40 off 2pt]{-}\\[-2ex]\rowfont{\color{philA}}}
 %
@@ -706,16 +719,17 @@ This work has the LPPL maintenance status "author-maintained".
 %  \tabrowone{HUGErrr}\\
 %\end{longtabu}
 %
-%\end{smallrrr}
+%^^A\end{smallrrr}
 %
-%\restoregeometry
+%^^A\restoregeometry
 %
 %^^A---------------------------------------------------------------------
 %
 % \section{Some text samples}\label{sec:example}
 %
 %^^A--------------------------------------------------------------------
-% The following samples are obtained with the \cmd{printsamples} command (see section \ref{sec:commands}):
+% The following samples are obtained with the \cmd{printsamples} 
+% command (see section \ref{sec:commands}):
 %\begin{verbatim}
 %\printsamples{12.6pt}{10.6pt}[normalsizerr,normalsizerrr,large,larger,largerr]
 %\end{verbatim}
@@ -732,17 +746,21 @@ This work has the LPPL maintenance status "author-maintained".
 %^^A---------------------------------------------------------------------
 % \section{The Code}
 %^^A---------------------------------------------------------------------
-%\textcolor{DarkBlue}{The parts added to the basic code of \file{scrextend} and \file{scrfontsizes} are highlighted in blue.}
+% \textcolor{DarkBlue}{The parts added to the basic code of \file{scrextend} 
+% and \file{scrfontsizes} are highlighted in blue.}
 %
-%\noindent All the options of the package are defined via \sty{xkeyval} \parencite{xkeyval}, 
+% \noindent All the options of the package are defined via 
+% \sty{xkeyval} \parencite{xkeyval}, 
 % while the \sty{xfp} package \parencite{xfp} provides the \cmd{fpeval} command 
 % to use instead of \cmd{dimexpr} for some size calculations. 
-% Only a new package option called \opt{cloname} is defined.
+% Only two new package options, called \opt{cloname} and \opt{parindent} 
+% are defined. 
 % \baddition
 %    \begin{macrocode}
 \@ifpackageloaded{xkeyval}{}{\RequirePackage{xkeyval}}
 \@ifpackageloaded{xfp}{}{\RequirePackage{xfp}}
 \DeclareOptionX{cloname}[fontsize]{\def\@fontsizefilebase{#1}}
+\DeclareOptionX{parindent}[1.5em]{\def\@fontsizeparindent{#1}}
 %    \end{macrocode}
 % \eaddition
 %
@@ -750,7 +768,8 @@ This work has the LPPL maintenance status "author-maintained".
 %
 % Here the \sty{scrextend} code begins. All the KOMA related codes have 
 % been removed and only a few names have been changed.
-% The value of \cmd{|@|fontsizefilebase} is set to \texttt{fontsize} instead of \texttt{scrsize}.
+% The value of \cmd{|@|fontsizefilebase} is set to \texttt{fontsize} 
+% instead of \texttt{scrsize}.
 %    \begin{macrocode}
 \DeclareOptionX{fontsize}[10]{%
   \expandafter\@defaultunits\expandafter\@tempdima#1 pt\relax\@nnil
@@ -779,11 +798,15 @@ This work has the LPPL maintenance status "author-maintained".
   \expandafter\AtEndOfPackage\expandafter{\@tempa}%
 }
 %    \end{macrocode}
-% Now we can execute and process the new options defined above. As \opt{cloname} is responsible for defining \cmd{|@|fontsizefilebase} it must precede \opt{fontsize} which uses this command. 
-% The \cmd{ctm@setlength} and \cmd{changefontsize} commands are simply new names, respectively, for \cmd{scr@setlength} and  \cmd{changefontsizes} used in \file{scrextend.sty}.
+% Now we can execute and process the new options defined above. 
+% As \opt{cloname} is responsible for defining \cmd{|@|fontsizefilebase} 
+% it must precede \opt{fontsize} which uses this command. 
+% The \cmd{ctm@setlength} and \cmd{changefontsize} commands 
+% are simply new names, respectively, for \cmd{scr@setlength} 
+% and  \cmd{changefontsizes} used in \file{scrextend.sty}.
 % \baddition
 %    \begin{macrocode}
-\ExecuteOptionsX{cloname,fontsize}
+\ExecuteOptionsX{cloname,fontsize,parindent}
 \ProcessOptionsX*\relax
 %    \end{macrocode}
 % \eaddition
@@ -993,7 +1016,8 @@ This work has the LPPL maintenance status "author-maintained".
    \let\noexpand\@listi\noexpand\@listi@small
   }%
 %    \end{macrocode}
-% {\color{black}Definition of \cmd{footnotesizer}, \cmd{footnotesizerr}, \cmd{footnotesizerrr}.\\
+% {\color{black}Definition of \cmd{footnotesizer}, \cmd{footnotesizerr},
+%  \cmd{footnotesizerrr}.\\
 % Scale factor: 0.01979.}
 %    \begin{macrocode}
   \setlength{\@tempdima}{0.85313\@tempdimc}%
@@ -1024,7 +1048,8 @@ This work has the LPPL maintenance status "author-maintained".
    \let\noexpand\@listi\noexpand\@listi@footnotesize
   }%
 %    \end{macrocode}
-% {\color{black}Definition of \cmd{scriptsizer}, \cmd{scriptsizerr}, \cmd{scriptsizerrr}.\\
+% {\color{black}Definition of \cmd{scriptsizer}, \cmd{scriptsizerr}, 
+% \cmd{scriptsizerrr}.\\
 % Scale factor: 0,0416675.}
 %    \begin{macrocode}
   \setlength{\@tempdima}{0.7083375\@tempdimc}%
@@ -1068,7 +1093,8 @@ This work has the LPPL maintenance status "author-maintained".
    {\the\@tempdima}{\the\@tempdimb}%
   }%
 %    \end{macrocode}
-% {\color{black}Definition of \cmd{normalsizer}, \cmd{normalsizerr}, \cmd{normalsizerrr}.\\
+% {\color{black}Definition of \cmd{normalsizer}, \cmd{normalsizerr}, 
+% \cmd{normalsizerrr}.\\
 % Scale factor: 0.05.}
 %    \begin{macrocode}
   \setlength{\@tempdima}{1.05\@tempdimc}%
@@ -1209,7 +1235,8 @@ This work has the LPPL maintenance status "author-maintained".
     {\the\@tempdima}{\the\@tempdimb}%
   }%
 %    \end{macrocode}
-% {\color{black}Definition of \cmd{HUGE}, \cmd{HUGER}, \cmd{HUGERR}, \cmd{HUGERRR}.\\
+% {\color{black}Definition of \cmd{HUGE}, \cmd{HUGER}, \cmd{HUGERR},
+% \cmd{HUGERRR}.\\
 % Scale factor: 0,149.}
 %    \begin{macrocode}
   \setlength{\@tempdima}{3.006\@tempdimc}%
@@ -1242,13 +1269,21 @@ This work has the LPPL maintenance status "author-maintained".
   \normalsize%
 %    \end{macrocode}
 % The KOMA files do not define \cmd{parindent} and other lengths that are
-% are strictly linked to the font rather than to the dimensions of the page and the text. So first we set \cmd{parindent} to \cmd{normalsize}:
+% are strictly linked to the font rather than to the dimensions of the page
+% and the text. So we first define \cmd{parindent}. 
+% The value of \cmd{@fontsizeparindent} is controlled by the
+% \opt{parindent} option which defaults to 
+% \SI{1.5}{em} and corresponds approximately to the values adopted 
+% in the \file{bk*.clo} files for one-column documents:
 % \baddition
 %    \begin{macrocode}
-\setlength\parindent{\@tempdimb}%
+\setlength\parindent{\@fontsizeparindent}%
 %    \end{macrocode}
 % \eaddition
-% For the following lengths, all values are calculated proportionally to the main font. I took the \file{bk11.clo} file as a reference point. Note that the differences of the lengths in the files \file{bk*.clo} not affected by \sty{fontsize} only concern \cmd{headheight}, \cmd{headsep}, \cmd{topskip} and \cmd{footskip}.
+% For the following lengths, all values are calculated proportionally to the main font. 
+% I took the \file{bk11.clo} file as a reference point. Note that the differences 
+% in lengths affected by \sty{fontsize} inside the \file{bk*.clo} files only concern
+% \cmd{headheight}, \cmd{headsep}, \cmd{topskip} and \cmd{footskip}.
 % \baddition
 %    \begin{macrocode}
 \setlength\smallskipamount{\fpeval{1.090909091\@tempdimb/4}pt \@plus 1\p@ \@minus 1\p@}%
@@ -1406,7 +1441,11 @@ This work has the LPPL maintenance status "author-maintained".
 %
 % \paragraph{Excerpt from \file{scrfontsizes.sty}}
 %
-% Here is a portion of the \sty{scrfontsizes} package. It simply provides the \cmd{generateclofile} command, without the KOMA related definitions. There are no reserved names for the \file{.clo} files. The command name is a new name for the KOMA \cmd{generatefontfile}. In fact what the command generates is a \file{.clo} file.
+% Here is a portion of the \sty{scrfontsizes} package. It simply provides the
+% \cmd{generateclofile} command, without the KOMA related definitions. 
+% There are no reserved names for the \file{.clo} files. The command name is 
+% a new name for the KOMA \cmd{generatefontfile}. In fact what the command 
+% generates is a \file{.clo} file.
 %    \begin{macrocode} 
 \newcommand*{\generateclofile}[1]{%
  \kernel@ifnextchar [{\@generatefontfile{#1}}{\@@generatefontfile{#1}}%
@@ -1975,7 +2014,7 @@ This work has the LPPL maintenance status "author-maintained".
 %    \end{macrocode}
 % We will now define some internal commands to test the package functions.
 % Since version 0.6 I have been using the \LaTeX 3 solution provided by 
-% Enrico Gregorio in place of the previous macros based on 
+% Enrico Gregorio in place of the old macros based on 
 % \sty{etoolbox} \parencite{etoolbox}.
 % \baddition
 %    \begin{macrocode}
diff --git a/macros/latex/contrib/fontsize/fontsize.pdf b/macros/latex/contrib/fontsize/fontsize.pdf
index 37a1db0cfa..5afc85d3dc 100644
--- a/macros/latex/contrib/fontsize/fontsize.pdf
+++ b/macros/latex/contrib/fontsize/fontsize.pdf