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%% memoize-doc-common.sty
%% 
%% This file is a part of Memoize, a TeX package for externalization of
%% graphics and memoization of compilation results in general, available at
%% https://ctan.org/pkg/memoize and https://github.com/sasozivanovic/memoize.
%%
%% Copyright (c) 2020- Saso Zivanovic <saso.zivanovic@guest.arnes.si>
%%                     (Sa\v{s}o \v{Z}ivanovi\'{c})
%%
%% This work may be distributed and/or modified under the conditions of the
%% LaTeX Project Public License, either version 1.3c of this license or (at
%% your option) any later version.  The latest version of this license is in
%% https://www.latex-project.org/lppl.txt and version 1.3c or later is part of
%% all distributions of LaTeX version 2008 or later.
%%
%% This work has the LPPL maintenance status `maintained'.
%% The Current Maintainer of this work is Saso Zivanovic.
%% 
%% The files belonging to this work and covered by LPPL are listed in
%% (<texmf>/doc/generic/memoize/)FILES.

\ProvidesPackage{memoize-doc-common}

\usepackage[inline,shortlabels]{enumitem}
\usepackage{tcolorbox}
\tcbuselibrary{listings,hooks,raster,skins}
\usepackage{tikz}
\usepackage{xstring}
\usepackage{microtype}

\usepackage{listings}
\lstset{
  language=[LaTeX]TeX,
  columns=fullflexible,
  basicstyle=\ttfamily\small,
  commentstyle=\color{purple},
  moredelim={[is][\pstyle]{~}{~}}
}
\lstMakeShortInline[moredelim={[is][\pstyle]{~}{~}}]{ˇ}%
\tcbset{
  linerange/.style={listing options app={linerange=#1}},
}


%%%%%%%%%%%%%%
% title page %

\usepackage{pdftexcmds}
\let\pdfsystem\pdf@system

% version and date
\def\datefrompackageversion#1{%
  \setbox0=\hbox{%
    \def\ProvidesPackage##1[##2]{%
      \gdef\@packagever{##2}%
      \endinput
    }%
    \input{#1.sty}%
  }%
  \expandafter\parsepackagever@\@packagever\parsepackagever@
}
\def\parsepackagever@#1/#2/#3 v#4 #5\parsepackagever@{%
  \year=#1\relax\month=#2\relax\day=#3\relax
  \def\packagever{#4}\def\packagedesc{#5}%
}

\renewcommand\maketitle{%
  \begingroup
  \mmzset{disable, auto={tcolorbox}{clear options}}% \mmznext does not work here -- todo: maybe it does now
  \begin{tcolorbox}[
      colback=emphcolor,
      fonttitle=\LARGE\bf,
      halign title=center,
      halign upper=center,
      halign lower=center,
      tikznode lower,
      adjusted title=\@title,
    ]
    \packagever\\
    \@date
    \tcblower
    \Large\@author
  \end{tcolorbox}
  \endgroup
}
\colorlet{emphcolor}{yellow!90!black}
\usepackage{marvosym}
\let\emailsymbol\Letter
\let\homepagesymbol\ComputerMouse
\usepackage{fontawesome} % for \faGithub


%%%%%%%%%%%%%%%%%%%%%%%%
% \verb@eol@error hack %

% The problem: doc.sty (re)defines \verb "to check for newlines in its argument
% since a missing delimiter is difficult to detect in doc source."  In
% principle, that's great, but I really hate it that I can't use Emacs's
% "fill-paragraph" without fear of getting the "Text for \noexpand\verb command
% ended by end of line" error.
% 
% Solution: the original \verb@eol@error defines a newline (which is active at
%   that point) to throw an error.  We redefine \verb@eol@error to define a
% newline to gobble an immediately following percent character (assuming that
%   we are processing .dtx documentation) and spaces.

\begingroup
  \obeylines%
  \gdef\verb@eol@error{\obeylines%
    \def^^M{\futurelet\verb@eol@nextchar\verb@eol@peek}%
  }%
\endgroup
\gdef\verb@eol@peek{%
  \if\@percentchar\verb@eol@nextchar
    \expandafter\verb@eol@ignorepercentchar
  \else
    \space % we need one space, though!
    \expandafter\verb@eol@ignorespaces
  \fi
}
\def\verb@eol@ignorepercentchar#1{% #1 = "%"
  \@xobeysp\verb@eol@ignorespaces}
\begingroup\catcode`\ =13 \gdef\verb@eol@otherspace{ }\endgroup
% |\ignorespaces| wouldn't work here, as our spaces are of category 13
\def\verb@eol@ignorespaces{%
  \futurelet\verb@eol@nextchar\verb@eol@ignorespaces@peek}
\def\verb@eol@ignorespaces@peek{%
  \expandafter\ifx\verb@eol@otherspace\verb@eol@nextchar
    \expandafter\verb@eol@ignorespaces@space
  \fi
}
\def\verb@eol@ignorespaces@space#1{\verb@eol@ignorespaces}

% The same hack, but for \lstinline of package listings.
% https://tex.stackexchange.com/a/473459/16819

\def\lst@InlineM#1{\gdef\lst@inlinechars{%
    \lst@Def{`#1}{\lst@DeInit\egroup\global\let\lst@inlinechars\@empty}%
    \lst@Def{13}{\lst@ProcessSpace}}% <---
    \lst@inlinechars}


%%%%%%%%%%%
% various %

\usepackage{hologo}
\newcommand\PGFmanual[1]{%
  \href
    {http://mirrors.ctan.org/graphics/pgf/base/doc/pgfmanual.pdf}
    {\S#1 of the Ti\emph{k}Z \& \textsc{PGF} manual}%
}
\newcommand\Alt{\,$\vert$\,}
\newcommand\hyp{\discretionary{}{}{}}
\newcommand\fncomma{\ensuremath{{^,}}}


% load hyperref before this

\protected\def\hypercolor#1#2{% #1 = url/link/.., #2 = color
  \expanded{%
    \noexpand\HyColor@HyperrefColor{#2}\expandonce{\csname @#1color\endcsname}%
  }%
}

\RenewDocumentCommand\url{ o D(){} m }{%
  {\IfValueT{#1}{\hypercolor{url}{#1}}\href{#2#3}{\texttt{#3}}}}

\def\pkgcolor{black}
\NewDocumentCommand\pkg{O{\pkgcolor}m}{{%
    \hypercolor{url}{#1}%
    \href{https://ctan.org/pkg/#2}{\texttt{#2}}}}