\NeedsTeXFormat{LaTeX2e}[1995/12/01]
\ProvidesPackage{mathpunctspace}
   [2018/02/27 v1.1 style file ``mathpunctspace.sty''^^J
    by Yuwsuke Kieda]

\RequirePackage{xkeyval}

\newif\ifm@th@p@s@postspace@comma@natural \m@th@p@s@postspace@comma@naturaltrue
\newif\ifm@th@p@s@postspace@colon@natural \m@th@p@s@postspace@colon@naturaltrue
\newif\ifm@th@p@s@postspace@semicolon@natural \m@th@p@s@postspace@semicolon@naturaltrue
\newif\ifm@th@p@s@unit@mu \m@th@p@s@unit@mutrue
\DeclareOptionX{comma}[natural]{\def\m@th@p@s@comma@postskip{#1}}
\DeclareOptionX{colon}[natural]{\def\m@th@p@s@colon@postskip{#1}}
\DeclareOptionX{semicolon}[natural]{\def\m@th@p@s@semicolon@postskip{#1}}
\DeclareOptionX{unit}[mu]{\def\m@th@p@s@unit@space{#1}}
\DeclareOptionX{latexorg}{\endinput}

\ProcessOptionsX

\@ifundefined{m@th@p@s@comma@postskip}{\def\m@th@p@s@comma@postskip{natural}}{}
\@ifundefined{m@th@p@s@colon@postskip}{\def\m@th@p@s@colon@postskip{natural}}{}
\@ifundefined{m@th@p@s@semicolon@postskip}{\def\m@th@p@s@semicolon@postskip{natural}}{}
\@ifundefined{m@th@p@s@unit@space}{\def\m@th@p@s@unit@space{mu}}{}

\def\@tmpm@th@p@s@unit@mu{mu}
\ifx\m@th@p@s@unit@space\@tmpm@th@p@s@unit@mu\m@th@p@s@unit@mutrue\else\m@th@p@s@unit@mufalse\fi

\setbox\@tempboxa\hbox{$\mskip\thinmuskip$}%
\def\m@th@p@s@comma@postskip@natural{natural}
\ifx\m@th@p@s@comma@postskip\m@th@p@s@comma@postskip@natural
  \newskip\m@th@p@s@postspace@comma
  \def\m@th@p@s@comma@postskip{%
    \dimexpr\fontdimen2\the\font-\wd\@tempboxa\relax
    plus  \fontdimen3\the\font
    minus \fontdimen4\the\font}
\else
  \m@th@p@s@postspace@comma@naturalfalse
  \ifm@th@p@s@unit@mu
    \newmuskip\m@th@p@s@postspace@comma
  \else
    \newskip\m@th@p@s@postspace@comma
  \fi
\fi

\setbox\@tempboxa\hbox{$\mskip\thinmuskip$}%
\def\@colon@postskip@natural{natural}
\ifx\m@th@p@s@colon@postskip\@colon@postskip@natural
  \newskip\m@th@p@s@postspace@colon
  \def\m@th@p@s@colon@postskip{%
    \dimexpr\fontdimen2\the\font-\wd\@tempboxa\relax
    plus  \fontdimen3\the\font
    minus \fontdimen4\the\font}
\else
  \m@th@p@s@postspace@colon@naturalfalse
  \ifm@th@p@s@unit@mu
    \newmuskip\m@th@p@s@postspace@colon
  \else
    \newskip\m@th@p@s@postspace@colon
  \fi
\fi

\setbox\@tempboxa\hbox{$\mskip\thinmuskip$}%
\def\@semicolon@postskip@natural{natural}
\ifx\m@th@p@s@semicolon@postskip\@semicolon@postskip@natural
  \newskip\m@th@p@s@postspace@semicolon
  \def\m@th@p@s@semicolon@postskip{%
    \dimexpr\fontdimen2\the\font-\wd\@tempboxa\relax
    plus  \fontdimen3\the\font
    minus \fontdimen4\the\font}
\else
  \m@th@p@s@postspace@semicolon@naturalfalse
  \ifm@th@p@s@unit@mu
    \newmuskip\m@th@p@s@postspace@semicolon
  \else
    \newskip\m@th@p@s@postspace@semicolon
  \fi
\fi

\m@th@p@s@postspace@comma\m@th@p@s@comma@postskip\relax
\m@th@p@s@postspace@colon\m@th@p@s@colon@postskip\relax
\m@th@p@s@postspace@semicolon\m@th@p@s@semicolon@postskip\relax

\begingroup
\catcode`\,=\active
\ifm@th@p@s@postspace@comma@natural
  \def\@x@{\def,{\normalcomma\hskip\m@th@p@s@postspace@comma}}
\else
  \ifm@th@p@s@unit@mu
    \def\@x@{\def,{\thinmuskip\m@th@p@s@postspace@comma\normalcomma}}
  \else
    \def\@x@{\def,{\normalcomma\hskip\m@th@p@s@postspace@comma}}
  \fi
\fi
\expandafter\endgroup\@x@%
% *only* in math-mode are made active...
\mathcode`\,="8000
% last space is *necessary*
\def\normalcomma{\mathchar"613B }

\begingroup
\catcode`\;=\active
\ifm@th@p@s@postspace@semicolon@natural
  \def\@x@{\def;{\normalsemicolon\hskip\m@th@p@s@postspace@semicolon}}
\else
  \ifm@th@p@s@unit@mu
    \def\@x@{\def;{\normalsemicolon\mskip\m@th@p@s@postspace@semicolon}}
  \else
    \def\@x@{\def;{\normalsemicolon\hskip\m@th@p@s@postspace@semicolon}}
  \fi
\fi
\expandafter\endgroup\@x@%
% *only* in math-mode are made active...
\mathcode`\;="8000
% last space is *necessary*
\def\normalsemicolon{\mathchar"603B }

\begingroup
\catcode`\:=\active
\ifm@th@p@s@postspace@colon@natural
  \def\@x@{\def:{\normalcolon\hskip\m@th@p@s@postspace@colon}}
\else
  \ifm@th@p@s@unit@mu
    \def\@x@{\def:{\normalcolon\mskip\m@th@p@s@postspace@colon}}
  \else
    \def\@x@{\def:{\normalcolon\hskip\m@th@p@s@postspace@colon}}
  \fi
\fi
\expandafter\endgroup\@x@%
% *only* in math-mode are made active...
\mathcode`\:="8000
% last space is *necessary*
\def\normalcolon{\mathchar"603A }

\renewcommand\colon{\mathpunct{:}}

\endinput