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\ProvidesFile{ext-biblatex-aux.def}
  [2018/10/02 v0.5 auxiliaries for extended biblatex citation style (MW)]

\def\extblx@requiredbiblatexversion{3.11}
\def\extblx@requiredbiblatexdate{2018/02/20}

\newrobustcmd*{\extblx@info}[1]{\PackageInfo{biblatex-ext}{#1}}
\newrobustcmd*{\extblx@warning}[1]{\PackageWarning{biblatex-ext}{#1}}
\newrobustcmd*{\extblx@warning@noline}[1]{\PackageWarningNoLine{biblatex-ext}{#1}}

\newrobustcmd*{\extblx@error}[2]{\PackageError{biblatex-ext}{#1}{#2.}}

\@ifpackagelater{biblatex}{\extblx@requiredbiblatexdate}
  {}
  {\extblx@warning@noline{%
      Outdated version of biblatex detected.\MessageBreak
      Upgrade to biblatex \extblx@requiredbiblatexversion\space
      (\extblx@requiredbiblatexdate) or later.\MessageBreak
      I found '\csuse{abx@version} (\csuse{abx@date})'}}

%{<context>}{<opening delim>}{<closing delim>}
\newrobustcmd*{\DeclareOuterCiteDelims}{%
  \extblx@declareciteddelims{outer}}
\newrobustcmd*{\DeclareInnerCiteDelims}{%
  \extblx@declareciteddelims{inner}}

%{<inner/outer>}{<cite context>}{<opening delim>}{<closing delim>}
\def\extblx@declareciteddelims#1#2#3#4{%
  \csdef{extblx@citedelim@#2@#1@open}{#3}%
  \csdef{extblx@citedelim@#2@#1@close}{#4}}

%{<context>}
\newrobustcmd*{\UndeclareOuterCiteDelims}{%
  \extblx@undeclareciteddelims{outer}}
\newrobustcmd*{\UndeclareInnerCiteDelims}{%
  \extblx@undeclareciteddelims{inner}}

%{<inner/outer>}{<cite context>}
\def\extblx@undeclareciteddelims#1#2{%
  \csundef{extblx@citedelim@#2@#1@open}%
  \csundef{extblx@citedelim@#2@#1@close}}

%{<alias>}{<cite context>}
\newrobustcmd*{\DeclareOuterCiteDelimsAlias}{%
  \@ifstar
    {\extblx@declareciteddelims@alias@i{outer}}
    {\extblx@declareciteddelims@alias{outer}}}
\newrobustcmd*{\DeclareInnerCiteDelimsAlias}{%
  \@ifstar
    {\extblx@declareciteddelims@alias@i{inner}}
    {\extblx@declareciteddelims@alias{inner}}}

%{<inner/outer>}{<alias>}{<cite context>}
\def\extblx@declareciteddelims@alias#1#2#3{%
  \csdef{extblx@citedelim@#2@#1@open}{\csuse{extblx@citedelim@#3@#1@open}}%
  \csdef{extblx@citedelim@#2@#1@close}{\csuse{extblx@citedelim@#3@#1@close}}}
\def\extblx@declareciteddelims@alias@i#1#2#3{%
  \csletcs{extblx@citedelim@#2@#1@open}{extblx@citedelim@#3@#1@open}%
  \csletcs{extblx@citedelim@#2@#1@close}{extblx@citedelim@#3@#1@close}}

% declare \mk...delim commands
\newrobustcmd*{\RegisterCiteDelims}[2]{%
  \ifcsundef{mk#1#2delims}
    {}
    {\extblx@error
       {Command \expandafter\string\csname mk#1#2delims\endcsname\space
        already defined}
       {biblatex-ext needs to define this command for the citation delimiter
        feature,\MessageBreak
        but \expandafter\string\csname mk#1#2delims\endcsname\space
        is already defined.\MessageBreak
        I don't want to overwrite the existing definition to avoid breaking
        your document.\MessageBreak
        If you force compilation despite the error, the command will be
        overwritten\MessageBreak
        with potentially catastrophic consequences}}%
  \protected\csdef{mk#1#2delims}##1{%
    \begingroup
      \blx@blxinit
      \blx@setsfcodes
      \csuse{extblx@citedelim@#2@#1@open}%
      ##1%
      \csuse{extblx@citedelim@#2@#1@close}%
    \endgroup}}

\RegisterCiteDelims{outer}{cite}
\RegisterCiteDelims{outer}{parencite}
\RegisterCiteDelims{outer}{textcite}
\RegisterCiteDelims{outer}{footcite}
\RegisterCiteDelims{outer}{footcitetext}
\DeclareOuterCiteDelimsAlias{footcite}{footcitetext}

\RegisterCiteDelims{inner}{cite}
\RegisterCiteDelims{inner}{parencite}
\RegisterCiteDelims{inner}{textcite}
\RegisterCiteDelims{inner}{footcite}
\RegisterCiteDelims{inner}{footcitetext}
\DeclareInnerCiteDelimsAlias{footcite}{footcitetext}


\newrobustcmd*{\mkextblxfootcite}[1]{%
  \mkbibfootnote{%
    \mkouterfootcitedelims{#1}}}
\newrobustcmd*{\mkextblxfootcitetext}[1]{%
  \mkbibfootnotetext{%
    \mkouterfootcitetextdelims{#1}}}

% smartcite is special
% According to the docs it is like \parencite in a footnote and \footcite in
% the body.
% To mirror that as closely as possible, we need to change the delimiter
% context. The delimcontext is set in the pre-code, it is too late to detect
% a footnote at that point (since we will have started the footnote ourselves
% with \mkbibfootnote from the body), so we need to do it earlier.
\newrobustcmd*{\mksmartcite}[1]{%
  \iffootnote
    {\mkouterparencitedelims{%
       \def\extblx@thisdelimcontext{parencite}%
       #1}}
    {\mkextblxfootcite{%
       \def\extblx@thisdelimcontext{footcite}%
       #1}}}

% Legacy names

% compability for versions < 0.3
\def\extblx@deprecate@delimcommand@robust#1{%
  \protected\csedef{#1}{%
    \noexpand\extblx@warning{%
      \expandafter\string\csname#1\endcsname\space is deprecated.
      \MessageBreak
      Use \expandafter\string\csname#1s\endcsname\space (with s) instead.
      \MessageBreak
      Using \expandafter\string\csname#1s\endcsname\space}%
  \expandonce{\csname#1s\endcsname}}}

\extblx@deprecate@delimcommand@robust{DeclareOuterCiteDelim}
\extblx@deprecate@delimcommand@robust{DeclareInnerCiteDelim}
\extblx@deprecate@delimcommand@robust{UndeclareOuterCiteDelim}
\extblx@deprecate@delimcommand@robust{UndeclareInnerCiteDelim}
\extblx@deprecate@delimcommand@robust{DeclareOuterCiteDelimAlias}
\extblx@deprecate@delimcommand@robust{DeclareInnerCiteDelimAlias}

\newrobustcmd*{\extblx@create@mkcitedelim}{%
  \extblx@warning{%
    \string\extblx@create@mkcitedelim\space is deprecated.\MessageBreak
    Use \string\RegisterCiteDelims\space instead.\MessageBreak
    Using \string\RegisterCiteDelims\MessageBreak}
  \RegisterCiteDelims}

% Some very rudimentary backwards warning code for old names
% this only warns, it can't salvage anything

\AtEndDocument{%
  \ifcsundef{abx@ffd@*@bbx:introcite}
    {}
    {\extblx@warning@noline{%
       Field format 'bbx:introcite' defined.\MessageBreak
       The format has been renamed to 'bbx@introcite'.\MessageBreak
       This could mean that you are using the old name\MessageBreak
       which does not work any more.\MessageBreak
       No effort is made to switch to the new name.\MessageBreak
       Please use 'bbx@introcite' instead}}%
  \ifcsundef{abx@ffd@*@bbx:introcitelabeldate}
    {}
    {\extblx@warning@noline{%
       Field format 'bbx:introcitelabeldate'\MessageBreak
       defined.\MessageBreak
       The format has been renamed to\MessageBreak
       'bbx@introcitelabeldate'.\MessageBreak
       This could mean that you are using the old name\MessageBreak
       which does not work any more.\MessageBreak
       No effort is made to switch to the new name.\MessageBreak
       Please use\MessageBreak'bbx@introcitelabeldate'\MessageBreak instead}}%
  \ifcsundef{blx@delimcontextalias@bbx:introcite}
    {}
    {\extblx@warning@noline{%
       Delimiter context 'bbx:introcite' detected.\MessageBreak
       The context has been renamed to 'bbx@introcite'.\MessageBreak
       This could mean that you are using the old name\MessageBreak
       which does not work any more.\MessageBreak
       No effort is made to switch to the new name.\MessageBreak
       Please use 'bbx@introcite' instead}}%
  \ifcsundef{extblx@citedelim@bbx:introcite@inner@open}
    {}
    {\extblx@warning@noline{%
       Opening inner delimiter 'bbx:introcite' found.\MessageBreak
       The delimiters have been renamed to\MessageBreak
       'bbx@introcite'.\MessageBreak
       This could mean that you are using the old name\MessageBreak
       which does not work any more.\MessageBreak
       No effort is made to switch to the new name.\MessageBreak
       Please use 'bbx@introcite' instead}}%
  \ifcsundef{extblx@citedelim@bbx:introcite@inner@close}
    {}
    {\extblx@warning@noline{%
       Closing inner delimiter 'bbx:introcite' found.\MessageBreak
       The delimiters have been renamed to\MessageBreak
       'bbx@introcite'.\MessageBreak
       This could mean that you are using the old name\MessageBreak
       which does not work any more.\MessageBreak
       No effort is made to switch to the new name.\MessageBreak
       Please use 'bbx@introcite' instead}}%
}


\endinput
%
% This file is part of the biblatex-ext bundle.
% biblatex-ext is released under the LaTeX Project Public License v1.3c
% or later.
%
% A complete list of files included in that package can be found in README.md
% or - failing that - in ext-standard.bbx.
%
% Official releases of this package are on CTAN
%   https://www.ctan.org/pkg/biblatex-ext
% development takes place on GitHub
%   https://github.com/moewew/biblatex-ext
%