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% Copyright © 2022 Maximilian Keßler
% 
% Permission is hereby granted, free of charge, to any person obtaining a copy
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% 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:
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% copies or substantial portions of the Software.
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% 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,
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% SOFTWARE.
% 
% This package has been generated by PyTeX, available at
%    https://github.com/kesslermaximilian/PyTeX
% and built from source file 'restate.pysty'.
% It is STRONGLY DISCOURAGED to edit this source file directly, since local
% changes will not be versioned by Git and overwritten by the next build. Always
% edit the source file and build the package again.
% 
% Build details:
%   PyTeX version: v1.2.0-3-g5e077e7 (commit 5e077e7)
%   Source code version: v2.4.4-2-gc0e4705 (commit c0e4705)
% 
% This LaTeX package is free software and distributed under the MIT License. You
% may use it freely for your purposes. The latest version of the package can be
% obtained via GitHub under
%    https://github.com/kesslermaximilian/LatexPackages
% For further information see the url above.
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% at the Git repository for further information.
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\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{mkessler-restate}[2022/01/30 - Replacement package]


\RequirePackage{xkeyval}
\RequirePackage{todonotes}
\RequirePackage{xparse}
\RequirePackage{etoolbox}

\newif\ifmkessler@restate@english\mkessler@restate@englishtrue
\DeclareOptionX{english}{\mkessler@restate@englishtrue}
\DeclareOptionX{german}{\mkessler@restate@englishfalse}
\DeclareOptionX{ngerman}{\mkessler@restate@englishfalse}

\define@boolkey+{mkessler-restate.sty}[mkessler@restate@]{strict}[true]{
    \ifmkessler@restate@strict
        \PackageInfo{mkessler-restate}{Strict mode enabled. Undefined restates will throw errors.}%
    \else
        \PackageInfo{mkessler-restate}{Strict mode disabled. Undefined restates will now print placeholder boxes}%
    \fi
}{
        \PackageWarning{mkessler-restate}{Erroneous input to key 'strict' ignored. Provide =true or =false.}
}

\DeclareOptionX*{\PackageWarning{mkessler-restate}{Unknown '\CurrentOption'}}
\ProcessOptionsX*\relax


\newcommand\restatesetup[1]{\setkeys{mkessler-restate.sty}{#1}}


\NewDocumentCommand{\restatetheorem}{s m}{
    \ifcsdef{#2}{
        \ifx#1\BooleanTrue\csname#2\endcsname*\else\csname#2\endcsname\fi
    }{
    \ifmkessler@restate@strict
    \PackageError{mkessler-restate}{Strict mode enabled but restate command not defined}{The theorem you tried to restate is not defined. Either make sure it is so that it can be printed or disable the strict mode with \noexpand\restatesetup{strict=false} to print a placeholder instead}
    \else
    \missingfigure{\ifmkessler@restate@english Here theorem \textbf{#2} is missing, since it is not part of this document.\else Hier fehlt die Wiederholung von Satz \textbf{#2}, der nicht Teil dieses Dokumentes ist.\fi}
    \fi
    }
}