mismath (10feb23)

git-svn-id: svn://tug.org/texlive/trunk@65779 c570f23f-e606-0410-a88d-b1316a301751

3 files changed, 468 insertions, 217 deletions

diff --git a/Master/texmf-dist/doc/latex/mismath/mismath.pdf b/Master/texmf-dist/doc/latex/mismath/mismath.pdf
index 0e8f3a9dda2..0645cea7fb2 100644
--- a/Master/texmf-dist/doc/latex/mismath/mismath.pdf
+++ b/Master/texmf-dist/doc/latex/mismath/mismath.pdf
diff --git a/Master/texmf-dist/source/latex/mismath/mismath.dtx b/Master/texmf-dist/source/latex/mismath/mismath.dtx
index 7571aa54c4a..c610c4e9768 100644
--- a/Master/texmf-dist/source/latex/mismath/mismath.dtx
+++ b/Master/texmf-dist/source/latex/mismath/mismath.dtx
@@ -20,7 +20,7 @@
 %<*package> 
 \NeedsTeXFormat{LaTeX2e}[2005/12/01]
 \ProvidesPackage{mismath}   
-    [2023/01/06 v2.2 .dtx mismath file]
+    [2023/02/10 v2.3 .dtx mismath file]
 %</package>
 %<*driver>
 \documentclass{ltxdoc}
@@ -35,12 +35,14 @@
 \usepackage[Euler]{upgreek}
 \usepackage{sectsty}
 \usepackage{xcolor}
+\usepackage{spacingtricks}
+\usepackage{centeredline}
+\usepackage{array}
 
 \definecolor{darkbrown}{rgb}{0.5,0.1,0.1}
 \allsectionsfont{\color{darkbrown}}
-%\enumber % commented because I need italicized e in vectors section
-\inumber
-\pinumber[piup]
+\mismathset{inumber, pinumber=piup}
+% enumber=false because I need italicized e in vectors section
 % For using in this doc only:
 \usepackage[LGR,T1]{fontenc}
 \DeclareSymbolFont{UpGr}{LGR}{lmr}{m}{n}
@@ -68,7 +70,7 @@
 %</driver>
 % \fi
 %
-%% \CheckSum{459}
+% \CheckSum{528}
 %
 % \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
@@ -160,13 +162,20 @@
 %      - Loading of ibrackets package is now optional, due to an error
 %         when using DeclarePairedDelimiter with square brackets.}
 %
+% \changes{v2.3}{2023/02/06}{
+%      - Introducing keyval options for enumber, inumber, jnumber, PEupright
+%          (corresponding old commands are maintained for now)
+%      - and also for ibrackets, boldvect and arrowvect}
+% \changes{v2.3}{2023/02/09}{
+%     - Documentation update}
+%
 % \GetFileInfo{mismath.sty}
 %
 % \title{\textsf{mismath}\\ Miscellaneous mathematical macros\thanks{This document
 % corresponds to \textsf{mismath}~\fileversion, dated \filedate. 
 % Thanks to François Bastouil for help in English translation.}}
 % \author{Antoine Missier \\ \texttt{antoine.missier@ac-toulouse.fr}}
-% \date{January 6, 2023}
+% \date{February 10, 2023}
 %
 % \maketitle
 % \tableofcontents
@@ -213,16 +222,28 @@
 % |\let\|\meta{command}|\relax| before loading \textsf{mismath}.
 %
 % \medskip
-% \DescribeEnv{\meta{options}}
+% \DescribeEnv{\oarg{options}}
 % The \textsf{amsmath} package is loaded by \textsf{mismath} without option.
 % For using \textsf{amsmath} with options (see~\cite{AMS}),
 % these options can be added when calling \textsf{mismath}, or 
-% \textsf{amsmath} has to be loaded 
+% \textsf{amsmath} can be loaded 
 % with the required options before \textsf{mismath}.
 %
-% Another package, 
-% \textsf{mathtools} by Morten Høgholm and Lars Madsen~\cite{TOOL}
-% is also loaded. It provides many useful macros and improvements of \textsf{amsmath} package.
+% \medskip
+% \DescribeMacro{\mismathset}
+% \textsf{mismath} has its own options (see further and in section \ref{options}).
+% They are based on the \meta{key}=\meta{value} mechanism, 
+% thanks to the \textsf{kvoptions} package by Heiko Oberdiek~\cite{KVO}. Most of them
+% are booleans and they can be called by their key name without typing `\texttt{=true}'.
+% \textsf{mismath} options can be set when calling the package, or later with the
+% macro |\mismathset|\marg{keyval list}, which is an alias for 
+% |\setkeys{mismath}|\marg{keyval list} 
+% from the \textsf{keyval} package by David Carlisle~\cite{KV}.
+%
+% \medskip
+% \textsf{mismath} loads also the package 
+% \textsf{mathtools} by Morten Høgholm and Lars Madsen~\cite{TOOL}. 
+% It provides many useful macros and improvements of \textsf{amsmath} package.
 %
 % \medskip
 % A recommendation, seldom observed, is to typeset uppercase Greek letters in italic shape 
@@ -233,60 +254,59 @@
 % (for instance \textsf{mathpazo} or \textsf{mathptmx} with the option \texttt{slantedGreek}),
 % but this feature is not implemented here because this rule is conflicting 
 % to the one used in France where all mathematics capitals 
-% have to be typeset in upright shape\footnote{The \textsf{frenchmath} package~\cite{FR} 
+% have to be typeset in upright shape
+% \footnote{The \textsf{frenchmath} package~\cite{FR} 
 % takes this rule into account.}.
 % The choice of loading or not one of these packages remains thus to the user.
 %
 % \section{Usage}
 %
-% \subsection{Mathematical constants}
+% \subsection{Mathematical constants} \label{constants}
 %
 % \DescribeMacro{\mathup} 
-% \DescribeMacro{\e} \DescribeMacro{\i}  \DescribeMacro{\j} 
 % As for classic functions identifiers, \emph{predefined} mathematical constants
 % should be typeset in upright shape (generally in roman family), 
 % even if this practice is not really common and tedious
 % to respect. To avoid to stuff a document with |\mathrm{e}| or |\mathrm{i}|
-% (or better |\mathup{e}| and |\mathup{i}|\footnote{\texttt{\bslash mathup}
+% (or better |\mathup{e}| and |\mathup{i}|
+% \footnote{\texttt{\bslash mathup}
 % is based on \texttt{\bslash operatorfont} 
 % (from \textsf{amsopn} package, automatically loaded by \textsf{amsmath}).
 % The \textsf{beamer} 
 % package uses a default sans serif math font, but \texttt{\bslash mathrm}
-% produces a font with serif in \textsf{beamer}. This problem is solved by
-% using \texttt{\bslash mathup} instead 
-% of \texttt{\bslash mathrm}.}),
+% produces a font with serif in \textsf{beamer}. Therefore
+% using \texttt{\bslash mathup} is better than \texttt{\bslash mathrm}.}),
+% \DescribeMacro{\e} \DescribeMacro{\i}  \DescribeMacro{\j} 
 % the package provides |\e| command for the base of the natural logarithm
 % and |\i| or |\j| for imaginary numbers. 
 % Let's notice that |\i| and |\j| already exist in \LaTeX: 
-% using in LR mode, they produce ``\extrafont{\i,\ \j}'' without the point, 
+% using in LR mode, they produce `\extrafont{\i,\ \j}' without the point, 
 % so you can place accents on them, and in mathematical mode they produce 
 % ``\texttt{LaTeX Warning: Command \bslash i invalid in math mode on input line} \meta{line}''. 
-% Te new definition of |\i| and |\j| concerns only mathematical mode\footnote{Due to this
-% \texttt{\bslash i} command redefinition, there is an incompatibility with
+% The new definition of |\i| and |\j| concerns only the mathematical mode
+% \footnote{Due to this \texttt{\bslash i} command redefinition, 
+% there is an incompatibility with
 % \textsf{beamer} when using i with accents in beamer titles.
 % A solution is to use the classic \texttt{\bslash \textasciicircum i} 
 % command to produce î in beamer titles for example.}.
 %
 % \medskip
-% \DescribeMacro{\enumber} \DescribeMacro{\inumber} \DescribeMacro{\jnumber}
+% \DescribeMacro{[enumber]} \DescribeMacro{[inumber]} \DescribeMacro{[jnumber]}
 % Nevertheless, it can be tiresome to type a lot of backslashes in a document 
 % with many formulas containing $\e$ or $\i$.
-% So a way is proposed here to free of it by placing |\enumber|, |\inumber| or |\jnumber|
-% in the preamble: 
+% So a way is proposed here to free of it with the package options
+% |enumber|, |inumber| or |jnumber| :
 % $\e$, $i$ or $\j$ will then automatically be set in roman
 % in the whole document, no need to type |\e|, |\i| or |\j|,
-% let's hope that there are not many other $\mathit{e}$, $\mathit{i}$ or $j$ as variables.
+% as long as there are not many other $\mathit{e}$, $\mathit{i}$ or $j$ as variables.
 % However, you can still get italicized
 % $\mathit{e}$, $\mathit{i}$ or $\mathit{j}$ with \LaTeX\ command
-% |\mathit| or |\mathnormal|. Of course, this does not fully comply with \LaTeX\ philosophy:
-% in the document body, objects should be pointed out 
-% by their nature rather than their typographical characteristics, 
-% defined in the preamble. But these macros are really handy and 
+% |\mathit| or |\mathnormal|. These options are really handy and 
 % thanks to them it is possible to bring a document up to the standards 
-% afterwards; moreover anyone is free to use them or not.
+% afterwards.
 %
 % \medskip
-% \DescribeMacro{\pinumber\oarg{command}}
+% \DescribeMacro{[pinumber=\meta{command}]}
 % The mathematical constant $\pi$  should also be typeset in upright shape 
 % (see~\cite{TYPMA}, \cite{NIST}, \cite{ICTNS}), which differs from italicized $\itpi$. 
 % This recommendation is even less observed than the one concerning  
@@ -296,47 +316,57 @@
 % (used here), \textsf{kpfonts}~\cite{KPF}, \textsf{fourier}~\cite{FOUR},
 % \textsf{libertinust1math},
 % \textsf{pxgreeks}, \textsf{txgreeks}, \textsf{libgreek}, etc.
-% A special mention to \textsf{lgrmath} of Jean-François Burnol~\cite{LGR}
+% A special mention for \textsf{lgrmath} of Jean-François Burnol~\cite{LGR}
 % which allow to use, in math mode, any Greek LGR-encoded font.
 % These packages provide commands like |\uppi| (\textsf{upgreek}), 
 % |\piup| (\textsf{mathdesign}, \textsf{kpfonts}, \textsf{lgrmath}), 
-% |\otherpi| (\textsf{fourier}), etc.\footnote{They also have options to
-% typeset all the Greek lowercase letters in upright shape by default,
-% but this in not our goal here.}
+% |\otherpi| (\textsf{fourier}), etc.
+% \footnote{They also have options to typeset all the Greek lowercase 
+% letters in upright shape by default, but this in not our goal here.}
 % To preserve default sloped lowercase Greek letters except for pi, and to
-% avoid typing a lot of |\uppi| or |\piup|, we provide the |\pinumber| macro, 
-% which has to be put in the preamble. This command redefines |\pi| to match
-% the optional command given, for instance |piup|, assuming the appropriate
+% avoid typing a lot of |\uppi| or |\piup|, we provide the 
+% option [\texttt{pinumber=}\meta{command}].
+% This option redefines |\pi| to match
+% the optional command  name given (without backslash), for instance |piup|, 
+% assuming the appropriate
 % package has been loaded before. 
 %
-% By activating |\enumer|, |\inumber| and |\pinumber[piup]| in the preamble,
+% By calling |\mismathset{enumber,inumber,pinumber=piup}| (\eg with \textsf{mathdesign})
+% in the preamble,
 % you can get for instance :
 % \begin{center}
-% |$e^{i\pi} = -1$| \enskip  \hspace{3em} \enskip $\e^{i\pi}=-1$.
+% |$e^{i\pi} = -1$| \quad yields \quad   $\e^{i\pi}=-1$.
 % \end{center}
 %
-% When no argument is given, |\pinumber| defines |\pi| with an LGR encoding of Greek letters
-% to produce $\mypi$. It looks the same as the one supplied with
+% The \texttt{pinumber} option has a special value `star' : |pinumber=*|,
+% which defines |\pi| with the default LGR font encoding of Greek letters
+% to produce $\mypi$ (the appropriate option \texttt{LGR}
+% for the \textsf{fontenc} package will be automatically loaded). 
+% It looks the same as the one supplied with
 % Günter Milde's \textsf{textalpha} package~\cite{ALPHA}.
 % This $\mypi$ is particularly suitable
-% for use with the default Computer Modern or Latin Modern font family\footnote{This 
-% default $\mypi$ doesn't fit well with many text fonts, more bold than Computer Modern;
+% for use with the default Computer Modern or Latin Modern font family
+% \footnote{This default $\mypi$ doesn't fit well with many text fonts, 
+% more bold than Computer Modern;
 % the \textsf{upgreek} package~\cite{GREEK} provides often a better $\uppi$
 % and it has also a \texttt{Symbol} option (using Adobe Symbol font) 
 % that fits well with several text fonts, for instance Times.}.
 %
 % \DescribeMacro{\itpi}
-% When |\pinumber| is activated, the original italic $\itpi$ is still available with |\itpi|.
+% When using the |pinumber| option, the original italic $\itpi$ 
+% is still available with |\itpi|.
 %
-% \subsection{Vectors}
+% \subsection{Vectors}\label{vectors}
 %
 % \DescribeMacro{\vect}
-% By default, the |\vect| command\footnote{As for many macros of this package, 
+% By default, the |\vect| command
+% \footnote{As for many macros of this package, 
 % the definition will take effect only if this macro is not defined before 
 % by another package.},
 % produces vectors with arrows
-% (thanks to the \textsf{esvect} package of Eddie Saudrais\footnote{\textsf{esvect} 
-% provides \texttt{\bslash vv} macro used by \texttt{\bslash vect}.})
+% (thanks to the \textsf{esvect} package of Eddie Saudrais
+% \footnote{\textsf{esvect} provides the \texttt{\bslash vv} macro 
+% used by \texttt{\bslash vect}.})
 % which are more elegant than those produced by \LaTeX's |\overrightarrow| command.
 % The \textsf{esvect} package has an optional argument 
 % (one letter between \texttt{a} and \texttt{h}) defining 
@@ -345,7 +375,7 @@
 % |\vect{AB}| gives $\vect{AB}$.
 % To choose another type of arrow, \textsf{esvect} must be called 
 % with the required option \emph{before} \textsf{mismath}, 
-% e.g.\@ |\usepackage[d]{esvect}|
+% \eg |\usepackage[d]{esvect}|
 % will give the arrows produced by default in~\cite{VECT}.
 %
 % \medskip 
@@ -353,7 +383,8 @@
 % The |\vect| macro allow to typeset vector's names using bold italic
 % (according to ISO recommendation~\cite{NIST}~\cite{SI}) rather than arrows. 
 % For this, calling |\boldvect| will modify the behavior of |\vect|,
-% globally or locally, depending on where |\boldvect| is placed:\\[1ex]
+% globally or locally, depending on where |\boldvect| 
+% is placed:\\[1ex]
 % \begin{minipage}{8cm}
 % \begin{verbatim} 
 %\[ \boldvect \vect{v}
@@ -365,11 +396,11 @@
 % \end{minipage}
 %
 % \DescribeMacro{\boldvectcommand}
-% By default |\boldvect| uses the |\boldsymbol| 
-% command\footnote{\texttt{\bslash mathbf} gives upright bold font, 
+% By default |\boldvect| uses the |\boldsymbol| command
+% \footnote{\texttt{\bslash mathbf} gives upright bold font, 
 % even if used in combination with \texttt{\bslash mathit}.}
 % from \textsf{amsbsy} package, loaded by \textsf{amsmath}.
-% But other packages producing bold italic can be preferred, e.g.\@
+% But other packages producing bold italic can be preferred, \eg
 % \texttt{\bslash bm} from \textsf{bm} package or |\mathbold| from \textsf{fixmath}
 % package or |\mathbfit| from \textsf{isomath}.
 % For that, redefine |\boldvectcommand|, for instance: 
@@ -377,17 +408,29 @@
 %
 % By setting |\boldvectcommand| to |\mathbf|, |\vect| produces vectors 
 % in bold \emph{upright} shape, 
-% which tends to be used instead of bold \emph{italic}
-% (but probably for bad reasons).
+% which tends to be used instead of bold \emph{italic},
+% but this is \emph{not} recommended.
 %
 % \medskip
 % \DescribeMacro{\arrowvect}
 % At any moment, you can get back to the default behavior with the inverse switch
-% |\arrowvect|. These switches can be placed anywhere: 
+% |\arrowvect|. 
+% These switches can be placed anywhere: 
 % inside mathematical mode or inside an environment (with local effect) or outside 
 % (with global effect).
 %
 % \medskip
+% \DescribeMacro{[boldvect]}\DescribeMacro{[arrowvect]}
+% Instead of using these switches, you can also set package options
+% \texttt{boldvect} or \texttt{arrowvect}, when calling \textsf{mismath}
+% or with the |\mismathset| command.
+% The latter gives the same flexibility than the previous switches.
+% In fact \texttt{boldvect} and \texttt{arrowvect} options are linked booleans:
+% when one is set to \texttt{true}, the other will be \texttt{false}.
+% So \texttt{arrowvect=false} is equivalent to \texttt{boldvect} 
+% (\texttt{=true} can be omitted).
+%
+% \medskip
 % \DescribeMacro{\hvect}
 % When vectors with arrows are typeset side by side,
 % arrows can be set up a bit higher (with a vertical phantom box containing $t$) 
@@ -398,9 +441,10 @@
 % \item $\hvect{a} \cdot \vect{b}=0$, obtained with |\hvect{a}|,
 % is better thant $\vect{a} \cdot \vect{b}=0$.
 % \end{itemize}
-% The |\boldvect| switch has the same effect on |\hvect| than on |\vect|.
+% The |\boldvect| and |\arrowvect| switches have the same effect on |\hvect| than on |\vect|,
+% and so have \texttt{boldvect} and \texttt{arrowvect} options.
 %
-% \medskip 
+% \pagebreak 
 % \DescribeMacro{\hvec}
 % In a similar way, |\hvec| raises the little arrow produced by
 % the \LaTeX\ command |\vec| (from height of $t$ letter):
@@ -421,9 +465,9 @@
 % instead of $\left\Vert \vec{h} \right\Vert$.
 % Let's notice that the height of the bars don't adjust to content, 
 % but however to context: main text, subscripts or exponents, 
-% e.g. $\e^{\norm{\vec{h}}}$.
+% \eg $\e^{\norm{\vec{h}}}$.
 %
-% \subsection{Standard operator names}
+% \subsection{Standard operator names}\label{operators}
 %
 % \DescribeMacro{\di}
 % The \emph{differential} operator should be typeset in upright shape and not in
@@ -454,16 +498,14 @@
 % This command can also stand for \emph{distance} (hence its name):
 % \[\lambda\di(A,\mathcal{F})+\mu\di(B,\mathcal{H}).\]
 %
-% \DescribeMacro{\P} \DescribeMacro{\E} \DescribeMacro{\PEupright} \DescribeMacro{\V}
-% To refer to probability\footnote{\LaTeX\ provides 
-% also \texttt{\bslash Pr} which gives $\Pr$.}
+% \DescribeMacro{\P} \DescribeMacro{\E} \DescribeMacro{[PEupright]} 
+% To refer to probability
+% \footnote{\LaTeX\ provides also \texttt{\bslash Pr} which gives $\Pr$.}
 % and expectation the proper use is to typeset capital letters $\P$, $\E$ 
 % in roman as for any standard function identifier.
 % This is obtained with |\P| and |\E|.
-% In the same way as for $\i$ and $\j$, you can use |\PEupright| in the preamble 
+% In the same way as for $\e$ and $\i$, you can use \texttt{[PEupright]} as package option
 % to avoid typing many |\P| or |\E|. 
-% Variance is generally denoted by $\var$ or $\Var$ (see table below),
-% but some authors prefer to use $\V$, produced by |\V|.
 %
 % \medskip
 % \DescribeMacro{\Par}
@@ -471,12 +513,17 @@
 % and has been redefined, but this symbol can still be obtained with |\Par|.
 %
 % \medskip
+% \DescribeMacro{\V}
+% Variance is generally denoted by $\var$ or $\Var$ (see table below),
+% but some authors prefer to use $\V$, produced by |\V|.
+%
+% \medskip
 % \DescribeMacro{\probastyle}
 % Some authors use ``blackboard bold'' font
 % to represent probability, expectation and variance: $\mathbb{P}, \mathbb{E}, \mathbb{V}$.
 % The |\probastyle| macro sets the appearance of |\P|, |\E| and |\V|:
-% for instance |\renewcommand\probastyle{\mathbb}|\footnote{As for
-% \texttt{\bslash boldvect} and \texttt{\bslash arrowvect},
+% for instance |\renewcommand\probastyle{\mathbb}|
+% \footnote{As for \texttt{\bslash boldvect} and \texttt{\bslash arrowvect},
 % effect is local to the container environment.}
 % brings the previous ``openwork'' letters.
 % |\mathbb| comes from \textsf{amsfonts} package
@@ -484,7 +531,7 @@
 % but also available standalone)
 % which has to be called in the preamble.
 %
-% \medskip
+% \pagebreak
 % The following standard operator names are defined in \textsf{mismath}:
 % \begin{center}
 % \begin{tabular}{rlrlrl}
@@ -507,9 +554,9 @@
 % For the variance, the covariance and the identity function, 
 % two notations are proposed, with or without a first capital letter, 
 % because they are both very common.
-% On the other hand, ``$\im$'' stands for the image of a linear transformation 
-% (like ``$\ker$'' for the kernel)
-% whereas ``$\Im$'' is the imaginary part of a complex number.
+% On the other hand, `$\im$' stands for the image of a linear transformation 
+% (like `$\ker$' for the kernel)
+% whereas `$\Im$' is the imaginary part of a complex number.
 % Notice that |\div| already exist ($\div$) and |\span| is a \TeX\ primitive
 % (used in |\multicolumn|);
 % they haven't been redefined, therefore the macros |\divg| (divergence) 
@@ -583,9 +630,12 @@
 % only transforms the required fraction in display style, we can limit 
 % the display style effect to the affected symbol, by using the following macros:
 % |\dlim|, |\dsum|, |\dprod|, |\dcup|, |\dcap|.
-% So |$\dlim_{x\to +\infty}\frac{1}{x}$| gives $\dlim_{x \to +\infty}\frac{1}{x}$.
+% So 
+% \begin{center}
+% |$\dlim_{x\to +\infty}\frac{1}{x}$| \quad  gives \quad  $\dlim_{x \to +\infty}\frac{1}{x}$.
+% \end{center}
 %
-% \bigskip 
+% \medskip 
 % \DescribeMacro{\lbar} \DescribeMacro{\hlbar}
 % Large bars over expressions are obtained with |\overline|
 % or, shorter, its alias |\lbar|, to get for instance $\lbar{z_1z_2}$.
@@ -597,11 +647,12 @@
 % \end{center}
 %
 % \DescribeMacro{\eqdef} \DescribeMacro{\eqdef*}
-% The |\eqdef| macro writes equality symbol topped with ``def''
-% or with ``$\scriptstyle \Delta$'' for |\eqdef*|
+% The |\eqdef| macro writes equality symbol topped with `def'
+% or with `$\scriptstyle \Delta$' for |\eqdef*|
 % (thanks to the \LaTeX\ command |\stackrel|): 
 %
-% \noindent\begin{minipage}[t]{8cm}
+% \bigskip
+% \noindent\begin{minipage}{8cm}
 % \begin{verbatim} 
 %$ \e^{\i\theta} \eqdef 
 %  \cos\theta + \i\sin\theta $
@@ -611,12 +662,23 @@
 % $\e^{\i\theta}\eqdef\cos\theta + \i\sin\theta$
 % \end{minipage}
 %
+% \noindent\begin{minipage}{8cm}
+% \begin{verbatim} 
+%$ \e^{\i\theta} \eqdef* 
+%  \cos\theta + \i\sin\theta $
+% \end{verbatim}
+% \end{minipage}
+% \begin{minipage}{6cm}
+% $\e^{\i\theta}\eqdef*\cos\theta + \i\sin\theta$
+% \end{minipage}
+%
 % \DescribeMacro{\unbr}
-% |\unbr| is an alias for |\underbrace|\footnote{The \textsf{mathtools} 
-% package by Morten Høgholm and Lars Madsen~\cite{TOOL} 
-% provides a new improved version of \texttt{\bslash underbrace} command
-% (as many other usefull macros);
-% it is loaded by \textsf{mismath}.}, making source code more compact.\\[2ex]
+% |\unbr| is an alias for |\underbrace|
+% \footnote{The \textsf{mathtools} package by Morten Høgholm 
+% and Lars Madsen~\cite{TOOL} provides a new improved version 
+% of \texttt{\bslash underbrace} command (as many other usefull macros);
+% it is loaded by \textsf{mismath}.}, 
+% making source code more compact.\\[2ex]
 % \begin{minipage}{7.5cm}
 % \begin{verbatim}
 %$ (QAP)^n = \unbr{QAP\mul QAP\mul
@@ -630,14 +692,15 @@
 % \DescribeMacro{\iif}
 % |\iif| is an alias for ``\iif'', to be used in text mode.
 %
-% \subsection{Improved spacing in mathematical formulas}
+% \pagebreak
+% \subsection{Improved spacing in mathematical formulas}\label{spacing}
 %
 % \DescribeMacro{\then} 
 % The |\then| macro produces the symbol $\Longrightarrow$ surrounded by large spaces
 % as the standard macro |\iff| does it with $\Longleftrightarrow$.
-% In a similar way, |\txt| \DescribeMacro{\txt}
-% based on the |\text| macro (from the \textsf{amstext} package,
-% loaded by \textsf{amsmath}),
+% In a similar way, |\txt|, \DescribeMacro{\txt}
+% based on the |\text| macro from the \textsf{amstext} package
+% (loaded by \textsf{amsmath}),
 % leaves em quad spaces (|\quad|) around the text. See the following example:
 % \begin{center}
 % |\[ \ln x=a \then x=\e^a \txt{rather than}| \\
@@ -663,7 +726,7 @@
 % or enclose the function or the structure with braces:
 % \begin{center}
 % $x\mul{\sin x}$, obtained with |x\mul{\sin x}|, is slightly better than $x\mul\sin x$.\\[1ex]
-% |$\sin\!{\left( \frac{\pi}{3} \right)} \mul 2$| gives\\
+% |$\sin\!{\left( \frac{\pi}{3} \right)} \mul 2$| \quad gives\\
 % $\sin\!{\left(\frac{\pi}{3}\right)}\mul 2$ which is better than
 % $\sin\left(\frac{\pi}{3}\right)\mul 2$. 
 % \end{center}
@@ -678,8 +741,9 @@
 % the exponent is little to far from the parenthesis.
 % The command |\pow|\marg{expr}\marg{pow} sets
 % \meta{expr} between parentheses and puts the exponent \meta{pow}
-% slightly closer to the right parenthesis\footnote{This macro gives bad
-% results with normal sized parenthesis.}. Compare:
+% slightly closer to the right parenthesis
+% \footnote{This macro gives bad results with normal sized parenthesis.}. 
+% Compare:
 % \[ \e^a \sim\pow{1+\frac{a}{n}}{n} \txt{may be better than} 
 % \e^a \sim\left(1+\frac{a}{n}\right)^{n}.\]
 %
@@ -688,10 +752,10 @@
 % |\lvert| \ldots |\rvert| rather than $\mid$ which doesn't respect correct 
 % spaces for delimiters; for bars whose height has to adapt to content, 
 % we use |\left\vert| \ldots |\right\vert| or, more simply, 
-% the |\abs|\{\ldots\} command which is equivalent\footnote{Another 
-% solution is to define \texttt{\bslash abs} with the 
-% \texttt{\bslash DeclarePairedDelimiter} command 
-% from the \textsf{mathtool} package~\cite{TOOL}.}.
+% the |\abs|\{\ldots\} command which is equivalent
+% \footnote{Another solution is to define \texttt{\bslash abs} 
+% with the \texttt{\bslash DeclarePairedDelimiter} command 
+% from the \textsf{mathtools} package~\cite{TOOL}.}.
 %
 % \medskip
 % \DescribeMacro{\lfrac}
@@ -709,17 +773,18 @@
 % \end{minipage}
 %
 % \DescribeMacro{[ibrackets]}
-% Open intervals are usually represented with parenthesis, e.g.\@ $(0, +\infty)$,
+% Open intervals are usually represented with parenthesis, \eg $(0, +\infty)$,
 % but sometimes we find also
 % square brackets, for example in French mathematics.
 % In that case the space around them is often unsuitable, 
-% e.g.\@ $x \in \mathclose{]} 0, +\infty[$.
-%
+% \eg $x \in \mathclose{]} 0, +\infty[$.
 % We have redefine brackets in the \textsf{ibrackets} package~\cite{BRACKET} 
-% which can be optionally\footnote{This functionality is optional because it causes
-% error when using a command defined by \texttt{\bslash DeclarePairedDelimiter}~\cite{TOOL}
-% with square brackets.}
-% loaded by \textsf{mismath}.
+% which can be optionally
+% \footnote{This functionality is optional because it causes
+% error when using a command defined by 
+% \texttt{\bslash DeclarePairedDelimiter}~\cite{TOOL} with square brackets.}
+% loaded by \textsf{mismath} with \texttt{ibracket} package option.
+%
 % Simply type |$x\in ]-\pi,0[ \cup ]2\pi,3\pi[$| to get
 % \begin{align*} 
 % x\in ]-\pi, 0[ \cup ]2\pi, 3\pi[ &\mbox{\quad with \textsf{ibrackets}}, \\
@@ -738,16 +803,16 @@
 % Thus, when the left bound contains an operator sign,
 % \emph{you don't have to leave a space between the first bracket and the sign},
 % otherwise, the spaces surrounding the operator will be too large:
-% e.g.\@ |$x \in ] -\infty, 0]$| yields $x \in  ] -\infty, 0]$.
+% \eg |$x \in ] -\infty, 0]$| yields $x \in  ] -\infty, 0]$.
 % Contrariwise, when you want to write algebra on intervals then
 % \emph{you must leave a blank space between the second bracket and the} +/- 
 % \emph{operations},
-% e.g.\@ |$[a, b] + [c, d]$| yields $[a, b] + [c, d]$
+% \eg |$[a, b] + [c, d]$| yields $[a, b] + [c, d]$
 % but |$[a, b]+ [c, d]$| yields $[a, b]+ [c, d]$.
 %
 % Let us also mention other approaches with the |\interval| macro
 % from the \textsf{interval} package~\cite{INT},
-% or |\DeclarePairedDelimiters| from the \textsf{mathtool} package~\cite{TOOL}
+% or |\DeclarePairedDelimiters| from the \textsf{mathtools} package~\cite{TOOL}
 % (but the latter is incompatible with \textsf{ibrackets}
 % for brackets management).
 %
@@ -805,8 +870,8 @@
 % In addition we can use the end of line with a spacing option such 
 % as it has been done above with |\\[1ex]|.
 %
-% Another example with |\begin{system}[rl@{\quad}l]|\footnote{\texttt{@\{\ldots\}}
-% sets inter-column space.}:
+% Another example with |\begin{system}[rl@{\quad}l]|
+% \footnote{\texttt{@\{\ldots\}} sets inter-column space.}:
 % \begin{equation*}
 %    \begin{system}[rl@{\quad}l]
 %        x+3y+5z&=0 & R_1\\ 2x+2y-z&=3 & R_2\\ 3x-y+z&=2 & R_3
@@ -845,10 +910,12 @@
 % \subsection{Displaymath in double columns}
 %
 % \DescribeEnv{mathcols}
-% The \texttt{mathcols} environment activates mathematical mode and enables to arrange 
-% ``long''calculation in double columns, separated with a central rule, 
+% The \texttt{mathcols} environment enables to arrange 
+% ``long'' calculation in double columns, separated with a central rule, 
 % as shown in the following example.
-% But you have to load the \textsf{multicol} package in the preamble.
+% But the \textsf{multicol} package must be loaded in the preamble.
+% It activates the mathematical mode
+% in display style and with an \texttt{aligned} environment.
 % \begin{mathcols}
 %           & \frac{1}{2 \mul {\pow{\frac{1}{4}}{n}} + 1} \geq 0.999 \\
 %     \iff\ & 1 \geq 1.998  \pow{\frac{1}{4}}{n} + 0.999 \\
@@ -877,20 +944,91 @@
 %\end{mathcols}
 % \end{verbatim}
 %
+% \vspace{-4ex}
+% \subsection{Summary of available options and deprecated commands}\label{options}
+%
+% Here we present a summary table of available options. Explanations of use
+% are given in the corresponding sections.
+% The default value for booleans is always \texttt{false} except for \texttt{arrowvect}.
+% Deprecated commands (used until version 2.3) are still working.
+%
+% \begin{center} \ttfamily
+% \setlength{\extrarowheight}{1pt}
+% \begin{tabular}{llcc}
+% \hline
+% \textsf{Key} & \textsf{Possible values} & \textsf{See section} & 
+% \textsf{Deprecated command} \\
+% \hline
+% enumber & false, true & \ref{constants} & |\enumber| \\
+% inumber & false, true & \ref{constants} & |\inumber| \\
+% jnumber & false, true & \ref{constants} & |\jnumber| \\
+% pinumber & *, \meta{command} & \ref{constants} & |\pinumber|\oarg{command}\\
+% boldvect & false, true & \ref{operators} &\\
+% arrowvect & true, false & \ref{operators} & \\
+% PEupright & false, true &  \ref{operators} & |\PEupright| \\
+% ibrackets & false, true & \ref{spacing} & \\
+% \hline
+% \end{tabular}
+% \end{center}
+%
+% For \texttt{pinumber}, there is no default value,
+% that means that |\pi| is still typeset in italic.
+% If you want it in upright shape, you have to load an appropriate package
+% and give a command name (without backslash) that produces an upright pi;
+% \texttt{pinumber=*} gives the upright $\mypi$ given by the LGR font encoding,
+% without having to load something.
+%
+% \enlargethispage{1ex}
+% \medskip
+% For each option, you can set them when package calling: \eg 
+% (with \textsf{upgreek})
+%
+% \smallskip
+% \centeredline{|\usepackage[inumber,pinumber=uppi,boldvect]{mismath}|}
+%
+% \bigskip
+% \DescribeMacro{\mismathset}
+% You can also use the |\mismathset|\{\meta{keyval list}\}
+% command.
+% Nevertheless, only the option \texttt{boldvect} (or \texttt{arrowvect})
+% can be changed dynamically in the document body.
+% The others are usable in the preamble only
+% and will be processed once, at begin document.
+% 
 % \StopEventually{}
 % \section{Implementation}
 %
 %    \begin{macrocode}
-\RequirePackage{ifthen}
-\newboolean{ibrackets}
-\DeclareOption{ibrackets}{\setboolean{ibrackets}{true}}
-\DeclareOption*{\PassOptionsToPackage{\CurrentOption}{amsmath}}
-\ProcessOptions \relax
+\RequirePackage{kvoptions}
+\DeclareBoolOption[false]{enumber}
+\DeclareBoolOption[false]{inumber}
+\DeclareBoolOption[false]{jnumber}
+\DeclareStringOption{pinumber}
+\DeclareBoolOption[true]{arrowvect}
+\DeclareComplementaryOption{boldvect}{arrowvect}
+\DeclareBoolOption[false]{PEupright}
+\DeclareBoolOption[false]{ibrackets}
+\DeclareDefaultOption{%
+    \ifx\CurrentOptionValue\relax
+        \PackageWarningNoLine{\@currname}{%
+        Unknown option `\CurrentOption’\MessageBreak
+        is passed to package `amsmath’}%
+        % Pass the option to package amsmath.
+        % Again it is better to expand \CurrentOption.
+        \expandafter\PassOptionsToPackage
+        \expandafter{\CurrentOption}{amsmath}%
+    \else
+        % Package amsmath does not take options with values.
+        % We provide the standard LaTeX error.
+        \@unknownoptionerror
+    \fi }
+
+\ProcessKeyvalOptions*
+
 \@ifpackageloaded{amsmath}{}{\RequirePackage{amsmath}}
+\@ifpackageloaded{mathtools}{}{\RequirePackage{mathtools}}
 \@ifpackageloaded{esvect}{}{\RequirePackage[b]{esvect}}
 \RequirePackage{xspace}
-\RequirePackage{mathtools}
-\ifthenelse{\boolean{ibrackets}}{\RequirePackage{ibrackets}}{}
 
 %    \end{macrocode}
 % The above conditional packages loading avoids ``option clash'' errors if the packages 
@@ -905,11 +1043,103 @@
 {\catcode`\|=\z@ \catcode`\\=12 |gdef|bslash{\}} % \bslash command
 
 %    \end{macrocode}
+%
+% \medskip
+% \DescribeMacro{\mismathset}
+% This macro allows to set keyval options not only when calling the package.
+%    \begin{macrocode}
+\def\mismathset#1{\setkeys{mismath}{#1}}
+
+%    \end{macrocode}
+% \medskip
+% Options must be set in the preamble and are processed at begin document, 
+% except \texttt{boldvect} or \texttt{arrowvect} which can be changed dynamically 
+% anywhere in the document body.
+%
+% Moreover for \textsf{beamer}, $\e, \i, \j$ must be typeset in
+% the family default font (sans serif) and this has no effect without the
+% |\AtBeginDocument|.
+%    \begin{macrocode}
+\AtBeginDocument{
+    \ifmismath@enumber
+        \DeclareMathSymbol{e}\mathalpha{operators}{`e} \fi
+    \ifmismath@inumber
+        \DeclareMathSymbol{i}\mathalpha{operators}{`i}\fi
+    \ifmismath@jnumber
+        \DeclareMathSymbol{j}\mathalpha{operators}{`j}\fi      
+    \ifthenelse{\equal{\mismath@pinumber}{}}{}{% else
+        \@ifundefined{itpi}{\let\itpi\pi}{\@mwarning{itpi}}
+        \ifthenelse{\equal{\mismath@pinumber}{*}}{
+            \RequirePackage[LGR,T1]{fontenc}
+            \DeclareSymbolFont{UpGr}{LGR}{lmr}{m}{n}
+            \DeclareMathSymbol{\pi}\mathalpha{UpGr}{"70}    
+        }{% else
+            \@ifundefined{\mismath@pinumber}{
+                \PackageWarningNoLine{mismath}{%
+                    Value \mismath@pinumber\space must be a valid 
+                    command name\MessageBreak for pinumber option,
+                    but command \bslash \mismath@pinumber\space
+                    is undefined.\MessageBreak 
+                    Perhaps a missing package}
+            }{\renewcommand{\pi}{%
+                \csname\mismath@pinumber\endcsname}
+            }        
+        }}        
+    \ifmismath@PEupright
+        \DeclareMathSymbol{P}\mathalpha{operators}{`P}
+        \DeclareMathSymbol{E}\mathalpha{operators}{`E} \fi
+    \ifmismath@ibrackets \RequirePackage{ibrackets} \fi
+    
+    \DisableKeyvalOption[action=warning,package=mismath]{mismath}{enumber}
+    \DisableKeyvalOption[action=warning,package=mismath]{mismath}{inumber}
+    \DisableKeyvalOption[action=warning,package=mismath]{mismath}{jnumber}
+    \DisableKeyvalOption[action=warning,package=mismath]{mismath}{pinumber} 
+    \DisableKeyvalOption[action=warning,package=mismath]{mismath}{PEupright}         
+    \DisableKeyvalOption[action=warning,package=mismath]{mismath}{ibrackets}
+}
+
+%    \end{macrocode}
+% The following commands are deprecated but still work.
+% They were intended to set some letters in upright shape by default
+% in math mode. This is now managed by keyval options.
+%    \begin{macrocode}
+\newcommand{\enumber}{%
+    \PackageWarning{mismath}{Command \string\enumber\space
+        is deprecated, \MessageBreak
+        use `enumber' as package option instead}
+    \mismath@enumbertrue
+}
+\newcommand{\inumber}{%
+    \PackageWarning{mismath}{Command \string\inumber\space
+        is deprecated, \MessageBreak
+        use `inumber' as package option instead}
+    \mismath@inumbertrue
+}    
+\newcommand{\jnumber}{
+    \PackageWarning{mismath}{Command \string\jnumber\space
+        is deprecated, \MessageBreak
+        use `jnumber' as package option instead}
+    \mismath@jnumbertrue
+}   
+\newcommand*{\pinumber}[1][*]{
+    \PackageWarning{mismath}{Command \string\pinumber\space
+        is deprecated, 
+        use `pinumber=#1'\MessageBreak as package option instead}
+    \def\mismath@pinumber{#1}
+}
+\newcommand{\PEupright}{
+    \PackageWarning{mismath}{Command \string\PEupright\space
+        is deprecated, \MessageBreak
+        use `PEupright' as package option instead}
+    \mismath@PEuprighttrue
+}
+
+%    \end{macrocode}
 % \medskip
 % \DescribeMacro{\@mwarning} \DescribeMacro{\@mmacro} \DescribeMacro{\@moperator} 
-% The three following internal macros are meta commands for a
+% The three following internal macros are meta commands for
 % conditional macro definition with a warning message if the macro already exists.
-% They could be useful in other packages.
+% They should be useful in other packages.
 %    \begin{macrocode}
 \newcommand\@mwarning[1]{
     \PackageWarningNoLine{mismath}{
@@ -934,16 +1164,12 @@
     
 %    \end{macrocode}
 %
-% To produce the correct upright shape font even when working 
-% with the \textsf{beamer} package, we did not use |\mathrm|
+% To produce the correct upright shape font when working 
+% with the \textsf{beamer} package, you don't have to use |\mathrm|
 % but |\mathup| (based on |\operatorfont| from the \textsf{amsopn} package).
 % This command works also fine with other sans serif fonts like \textsf{cmbright}.
-% Moreover for \textsf{beamer}, |\enumber| must be typeset in
-% the family default font (sans serif),
-% therefore the |\AtBeginDocument| inside the macro (otherwise it has no effect).
-% The same holds for |\inumber| and |\jnumber|.
 %
-% |\AtBeginDocument| is also necessary to redefine |\i| when calling 
+% |\AtBeginDocument| is necessary to redefine |\i| when calling 
 % the \textsf{hyperref} package which overwrites the |\i| definition.
 %
 % \medskip
@@ -954,40 +1180,11 @@
     \renewcommand{\i}{\TextOrMath{\oldi}{\mathup{i}}}
     \renewcommand{\j}{\TextOrMath{\oldj}{\mathup{j}}} }
 
-\newcommand{\enumber}{
-    \AtBeginDocument{\DeclareMathSymbol{e}\mathalpha{operators}{`e}}}
-\newcommand{\inumber}{
-    \AtBeginDocument{\DeclareMathSymbol{i}\mathalpha{operators}{`i}}}
-\newcommand{\jnumber}{
-    \AtBeginDocument{\DeclareMathSymbol{j}\mathalpha{operators}{`j}}}
-\newcommand*{\pinumber}[1][defaultpi]{
-    \@ifundefined{itpi}{\let\itpi\pi}{\@mwarning{itpi}}
-    \ifthenelse{\equal{#1}{defaultpi}}{
-        \usepackage[LGR,T1]{fontenc}
-        \DeclareSymbolFont{UpGr}{LGR}{lmr}{m}{n}
-        \DeclareMathSymbol{\pi}\mathalpha{UpGr}{"70}
-    }{
-        \@ifundefined{#1}{
-            \PackageWarningNoLine{mismath}{
-                \bslash pinumber command has changed since v2.0, 
-                \MessageBreak
-                option #1 must be a valid command name \MessageBreak
-                (look at the documentation),
-                but command \bslash #1 is undefined, \MessageBreak
-                I cannot use it for replacement to \bslash pi.
-                \MessageBreak
-                Perhaps a missing package}       
-            }{\renewcommand{\pi}{\csname #1\endcsname}}
-    }
-}
-
-\newboolean{arrowvect}
-\setboolean{arrowvect}{true}
-\newcommand{\arrowvect}{\setboolean{arrowvect}{true}} 
-\newcommand{\boldvect}{\setboolean{arrowvect}{false}}
+\newcommand{\arrowvect}{\mismath@arrowvecttrue}
+\newcommand{\boldvect}{\mismath@arrowvectfalse}
 \newcommand{\boldvectcommand}{\boldsymbol} % from amsbsy package
-\@mmacro{vect}{\ifthenelse{\boolean{arrowvect}}{
-        \vv}{\boldvectcommand}}
+\@mmacro{vect}{\ifthenelse{\boolean{mismath@arrowvect}}{
+        \vv}{\boldvectcommand}} %\if \fi doesn't work well here
 \newcommand*{\hvect}[1]{\vect{\vphantom{t}#1}}
 \newcommand*{\hvec}[1]{\vec{\vphantom{t}#1}}
 
@@ -1012,12 +1209,6 @@
 \renewcommand{\P}{\operatorname{\probastyle{P}}}
 \@mmacro{E}{\operatorname{\probastyle{E}}}
 \@mmacro{V}{\operatorname{\probastyle{V}}}
-\newcommand{\PEupright}{
-    \AtBeginDocument{% necessary for working with beamer
-        \DeclareMathSymbol{P}\mathalpha{operators}{`P}
-        \DeclareMathSymbol{E}\mathalpha{operators}{`E}
-    }
-}
 
 \@moperator{\adj}{adj}
 \@moperator{\Aut}{Aut}
@@ -1091,7 +1282,7 @@
 
 \@mmacro{then}{\ \Longrightarrow \ \mbox{} } 
 %    \end{macrocode}
-% Without |\mbox{}|, the space produced by |\| would be suppressed in tables.
+% Without |\mbox{}|, space produced by |\| would be suppressed in tables.
 % \medskip
 %    \begin{macrocode}
 \@ifundefined{txt}{
@@ -1152,12 +1343,16 @@
 % I.M.~Mills and W.V.~Metanomski, ICTNS (Interdivisional Committee 
 % on Terminology, Nomenclature and Symbols), dec 1999,
 % \url{https://old.iupac.org/standing/idcns/italic-roman_dec99.pdf}.
+% \bibitem{KVO} \emph{The \textsf{kvoptions} package}, Heiko Oberdiek, CTAN, 
+% v3.13 2019/11/29.
+% \bibitem{KV} \emph{The \textsf{keyval} package}, David Carlisle, CTAN,
+% v1.15 2014/10/28.
 % \bibitem{VECT} \emph{\textsf{esvect}  -- Typesetting vectors with beautiful 
 % arrow with \LaTeXe}, Eddie Saudrais, CTAN, v1.3 2013/07/11.
 % \bibitem{AMS} \emph{\textsf{amsmath} -- \AmS\ mathmatical facilities for \LaTeX},
 % Frank Mittelbach, Rainer Schöpf, Michael Downes, Davis M.~Jones, David Carlisle, 
 % CTAN, v2.17n 2022/04/08.
-% \bibitem{TOOL} \emph{The \textsf{mathtool} package}, Morten Høgholm, Lars Madsen, CTAN,
+% \bibitem{TOOL} \emph{The \textsf{mathtools} package}, Morten Høgholm, Lars Madsen, CTAN,
 % v1.29 2022/06/29.
 % \bibitem{FIXM} \emph{The \textsf{fixmath} package for \LaTeXe}, Walter Schmidt, 
 % CTAN, v0.9 2000/04/11.
@@ -1181,10 +1376,11 @@
 % \bibitem{SYST} \emph{L'extension pour \TeX\ et \LaTeX\ \textsf{systeme}},
 % Christian Tellechea, CTAN v0.32 2019/01/13.
 % \bibitem{SPAL} \emph{The \textsf{spalign} package}, Joseph Rabinoff, CTAN, 2016/10/05.
-% \bibitem{FR} \emph{L'extension \textsf{frenchmath}}, Antoine Missier, CTAN, v2.3 2022/12/26.
+% \bibitem{FR} \emph{L'extension \textsf{frenchmath}}, Antoine Missier, CTAN, v2.4 2023/01/22.
 % \bibitem{BRACKET} \emph{Intelligent brackets -- The \textsf{ibrackets} package}
-% Antoine Missier, CTAN, v1.0, 2022/12/19.
-% \bibitem{LSHORT} \emph{The Not So Short Introduction to \LaTeXe}, the \textsf{lshort} package by
+% Antoine Missier, CTAN, v1.1, 2022/12/26.
+% \bibitem{LSHORT} \emph{The Not So Short Introduction to \LaTeXe}, 
+% the \textsf{lshort} package by
 % Tobias Oetiker, Hubert Partl, Irene Hyna and Elisabeth Schlegl, CTAN, v6.4 2021/04/09.
 % \url{http://tug.ctan.org/info/lshort/english/lshort.pdf}.
 % \bibitem{COMP} \emph{The \LaTeX\ Companion}, Frank Mittelbach, Michel Goossens, 
diff --git a/Master/texmf-dist/tex/latex/mismath/mismath.sty b/Master/texmf-dist/tex/latex/mismath/mismath.sty
index 5add01aae8c..ecb8d44fd90 100644
--- a/Master/texmf-dist/tex/latex/mismath/mismath.sty
+++ b/Master/texmf-dist/tex/latex/mismath/mismath.sty
@@ -22,21 +22,111 @@
 %% 
 \NeedsTeXFormat{LaTeX2e}[2005/12/01]
 \ProvidesPackage{mismath}
-    [2023/01/06 v2.2 .dtx mismath file]
-%% \CheckSum{459}
-\RequirePackage{ifthen}
-\newboolean{ibrackets}
-\DeclareOption{ibrackets}{\setboolean{ibrackets}{true}}
-\DeclareOption*{\PassOptionsToPackage{\CurrentOption}{amsmath}}
-\ProcessOptions \relax
+    [2023/02/10 v2.3 .dtx mismath file]
+\RequirePackage{kvoptions}
+\DeclareBoolOption[false]{enumber}
+\DeclareBoolOption[false]{inumber}
+\DeclareBoolOption[false]{jnumber}
+\DeclareStringOption{pinumber}
+\DeclareBoolOption[true]{arrowvect}
+\DeclareComplementaryOption{boldvect}{arrowvect}
+\DeclareBoolOption[false]{PEupright}
+\DeclareBoolOption[false]{ibrackets}
+\DeclareDefaultOption{%
+    \ifx\CurrentOptionValue\relax
+        \PackageWarningNoLine{\@currname}{%
+        Unknown option `\CurrentOption’\MessageBreak
+        is passed to package `amsmath’}%
+        % Pass the option to package amsmath.
+        % Again it is better to expand \CurrentOption.
+        \expandafter\PassOptionsToPackage
+        \expandafter{\CurrentOption}{amsmath}%
+    \else
+        % Package amsmath does not take options with values.
+        % We provide the standard LaTeX error.
+        \@unknownoptionerror
+    \fi }
+
+\ProcessKeyvalOptions*
+
 \@ifpackageloaded{amsmath}{}{\RequirePackage{amsmath}}
+\@ifpackageloaded{mathtools}{}{\RequirePackage{mathtools}}
 \@ifpackageloaded{esvect}{}{\RequirePackage[b]{esvect}}
 \RequirePackage{xspace}
-\RequirePackage{mathtools}
-\ifthenelse{\boolean{ibrackets}}{\RequirePackage{ibrackets}}{}
 
 {\catcode`\|=\z@ \catcode`\\=12 |gdef|bslash{\}} % \bslash command
 
+\def\mismathset#1{\setkeys{mismath}{#1}}
+
+\AtBeginDocument{
+    \ifmismath@enumber
+        \DeclareMathSymbol{e}\mathalpha{operators}{`e} \fi
+    \ifmismath@inumber
+        \DeclareMathSymbol{i}\mathalpha{operators}{`i}\fi
+    \ifmismath@jnumber
+        \DeclareMathSymbol{j}\mathalpha{operators}{`j}\fi
+    \ifthenelse{\equal{\mismath@pinumber}{}}{}{% else
+        \@ifundefined{itpi}{\let\itpi\pi}{\@mwarning{itpi}}
+        \ifthenelse{\equal{\mismath@pinumber}{*}}{
+            \RequirePackage[LGR,T1]{fontenc}
+            \DeclareSymbolFont{UpGr}{LGR}{lmr}{m}{n}
+            \DeclareMathSymbol{\pi}\mathalpha{UpGr}{"70}
+        }{% else
+            \@ifundefined{\mismath@pinumber}{
+                \PackageWarningNoLine{mismath}{%
+                    Value \mismath@pinumber\space must be a valid
+                    command name\MessageBreak for pinumber option,
+                    but command \bslash \mismath@pinumber\space
+                    is undefined.\MessageBreak
+                    Perhaps a missing package}
+            }{\renewcommand{\pi}{%
+                \csname\mismath@pinumber\endcsname}
+            }
+        }}
+    \ifmismath@PEupright
+        \DeclareMathSymbol{P}\mathalpha{operators}{`P}
+        \DeclareMathSymbol{E}\mathalpha{operators}{`E} \fi
+    \ifmismath@ibrackets \RequirePackage{ibrackets} \fi
+
+    \DisableKeyvalOption[action=warning,package=mismath]{mismath}{enumber}
+    \DisableKeyvalOption[action=warning,package=mismath]{mismath}{inumber}
+    \DisableKeyvalOption[action=warning,package=mismath]{mismath}{jnumber}
+    \DisableKeyvalOption[action=warning,package=mismath]{mismath}{pinumber}
+    \DisableKeyvalOption[action=warning,package=mismath]{mismath}{PEupright}
+    \DisableKeyvalOption[action=warning,package=mismath]{mismath}{ibrackets}
+}
+
+\newcommand{\enumber}{%
+    \PackageWarning{mismath}{Command \string\enumber\space
+        is deprecated, \MessageBreak
+        use `enumber' as package option instead}
+    \mismath@enumbertrue
+}
+\newcommand{\inumber}{%
+    \PackageWarning{mismath}{Command \string\inumber\space
+        is deprecated, \MessageBreak
+        use `inumber' as package option instead}
+    \mismath@inumbertrue
+}
+\newcommand{\jnumber}{
+    \PackageWarning{mismath}{Command \string\jnumber\space
+        is deprecated, \MessageBreak
+        use `jnumber' as package option instead}
+    \mismath@jnumbertrue
+}
+\newcommand*{\pinumber}[1][*]{
+    \PackageWarning{mismath}{Command \string\pinumber\space
+        is deprecated,
+        use `pinumber=#1'\MessageBreak as package option instead}
+    \def\mismath@pinumber{#1}
+}
+\newcommand{\PEupright}{
+    \PackageWarning{mismath}{Command \string\PEupright\space
+        is deprecated, \MessageBreak
+        use `PEupright' as package option instead}
+    \mismath@PEuprighttrue
+}
+
 \newcommand\@mwarning[1]{
     \PackageWarningNoLine{mismath}{
         Command \bslash #1 already exist and will not be redefined}
@@ -64,40 +154,11 @@
     \renewcommand{\i}{\TextOrMath{\oldi}{\mathup{i}}}
     \renewcommand{\j}{\TextOrMath{\oldj}{\mathup{j}}} }
 
-\newcommand{\enumber}{
-    \AtBeginDocument{\DeclareMathSymbol{e}\mathalpha{operators}{`e}}}
-\newcommand{\inumber}{
-    \AtBeginDocument{\DeclareMathSymbol{i}\mathalpha{operators}{`i}}}
-\newcommand{\jnumber}{
-    \AtBeginDocument{\DeclareMathSymbol{j}\mathalpha{operators}{`j}}}
-\newcommand*{\pinumber}[1][defaultpi]{
-    \@ifundefined{itpi}{\let\itpi\pi}{\@mwarning{itpi}}
-    \ifthenelse{\equal{#1}{defaultpi}}{
-        \usepackage[LGR,T1]{fontenc}
-        \DeclareSymbolFont{UpGr}{LGR}{lmr}{m}{n}
-        \DeclareMathSymbol{\pi}\mathalpha{UpGr}{"70}
-    }{
-        \@ifundefined{#1}{
-            \PackageWarningNoLine{mismath}{
-                \bslash pinumber command has changed since v2.0,
-                \MessageBreak
-                option #1 must be a valid command name \MessageBreak
-                (look at the documentation),
-                but command \bslash #1 is undefined, \MessageBreak
-                I cannot use it for replacement to \bslash pi.
-                \MessageBreak
-                Perhaps a missing package}
-            }{\renewcommand{\pi}{\csname #1\endcsname}}
-    }
-}
-
-\newboolean{arrowvect}
-\setboolean{arrowvect}{true}
-\newcommand{\arrowvect}{\setboolean{arrowvect}{true}}
-\newcommand{\boldvect}{\setboolean{arrowvect}{false}}
+\newcommand{\arrowvect}{\mismath@arrowvecttrue}
+\newcommand{\boldvect}{\mismath@arrowvectfalse}
 \newcommand{\boldvectcommand}{\boldsymbol} % from amsbsy package
-\@mmacro{vect}{\ifthenelse{\boolean{arrowvect}}{
-        \vv}{\boldvectcommand}}
+\@mmacro{vect}{\ifthenelse{\boolean{mismath@arrowvect}}{
+        \vv}{\boldvectcommand}} %\if \fi doesn't work well here
 \newcommand*{\hvect}[1]{\vect{\vphantom{t}#1}}
 \newcommand*{\hvec}[1]{\vec{\vphantom{t}#1}}
 
@@ -121,12 +182,6 @@
 \renewcommand{\P}{\operatorname{\probastyle{P}}}
 \@mmacro{E}{\operatorname{\probastyle{E}}}
 \@mmacro{V}{\operatorname{\probastyle{V}}}
-\newcommand{\PEupright}{
-    \AtBeginDocument{% necessary for working with beamer
-        \DeclareMathSymbol{P}\mathalpha{operators}{`P}
-        \DeclareMathSymbol{E}\mathalpha{operators}{`E}
-    }
-}
 
 \@moperator{\adj}{adj}
 \@moperator{\Aut}{Aut}