% $Id: biblatex.sty,v 1.0 2010/11/19 16:16:35 lehman stable $

% Copyright (c) 2006-2010 Philipp Lehman.
%
% Permission is granted to copy, distribute and/or modify this
% software under the terms of the LaTeX Project Public License
% (LPPL), version 1.3.
%
% The LPPL maintenance status of this software is
% 'author-maintained'.
%
% This software is provided 'as is', without warranty of any kind,
% either expressed or implied, including, but not limited to, the
% implied warranties of merchantability and fitness for a
% particular purpose.

\def\abx@rcsid$#1: #2 #3 #4 #5${#4 v#3}
\def\abx@bbxid$#1: #2 #3 #4 #5${#4 v#3 biblatex bibliography style}
\def\abx@cbxid$#1: #2 #3 #4 #5${#4 v#3 biblatex citation style}
\def\abx@lbxid$#1: #2 #3 #4 #5${#4 v#3 biblatex localization}

\NeedsTeXFormat{LaTeX2e}[2005/12/01]
\ProvidesPackage{biblatex}
[\abx@rcsid $Id: biblatex.sty,v 1.0 2010/11/19 16:16:35 lehman stable $
 programmable bibliographies]

\def\blx@bblversion$#1: #2 ${#2}
\edef\blx@bblversion{\blx@bblversion$Revision: 1.0 $}

%% Compatibility and requirements

\RequirePackage{etoolbox}
\RequirePackage{keyval}
\RequirePackage{logreq}
\RequirePackage{ifthen}
\RequirePackage{url}

\@ifpackagelater{etoolbox}{2010/08/21}
  {}
  {\PackageError{biblatex}
     {Outdated 'etoolbox' package}
     {Upgrade to etoolbox v2.0 (2010/08/21) or later.\MessageBreak
      I found: '\csuse{ver@etoolbox.sty}'.\MessageBreak
      This is a fatal error. I'm aborting now.}%
   \endinput}

\AtEndPreamble{%
  \def\do#1{%
    \@ifpackageloaded{#1}
      {\blx@error
         {Incompatible package '#1'}
         {The '#1' package and biblatex are incompatible}}
      {}}%
  \docsvlist{%
    amsrefs,apacite,babelbib,backref,bibtopic,bibunits,chapterbib,
    cite,citeref,drftcite,footbib,inlinebib,jurabib,mcite,mciteplus,
    mlbib,multibbl,multibib,natbib,opcit,overcite,splitbib,ucs}%
  \@ifpackageloaded{babel}
    {\iftoggle{blx@autolang}
       {\blx@mkbabel}
       {\blx@mknobabel}}
    {\blx@mknobabel}%
  \csuse{abx@extras@\blx@languagename}%
  \csuse{abx@strings@\blx@languagename}%
  \undef\blx@mkbabel
  \undef\blx@mknobabel
  \ifnum\blx@hyperref=\z@
    \blx@mknohyperref
  \else
    \@ifpackageloaded{hyperref}
      {\blx@mkhyperref}
      {\ifnum\blx@hyperref=\@ne
         \blx@warning@noline{%
           Missing 'hyperref' package.\MessageBreak
           Setting hyperref=false}%
       \fi
       \blx@mknohyperref}%
  \fi
  \providecommand*{\nolinkurl}{\url}%
  \undef\blx@mkhyperref
  \undef\blx@mknohyperref
  \ifundef\TE@hook
    {\let\TE@hook\@empty
     \toggletrue{blx@tempa}%
     \def\do#1{%
       \patchcmd#1%
         {\let\isundefined\TE@undef}
         {\let\isundefined\TE@undef\TE@hook}
         {\togglefalse{blx@tempa}\listbreak}
         {}}%
     \docsvlist{%
       \ifthenelse,%          ifthen
       \org@ifthenelse,%      babel
       \HyOrg@ifthenelse,%    hyperref
       \NROrg@ifthenelse}%    nameref
     \iftoggle{blx@tempa}
       {\blx@err@patch{'ifthen' package}}
       {}}
    {}%
  \appto\TE@hook{\blx@TE@hook}%
  \toggletrue{blx@tempa}%
  \def\do#1{%
    \patchcmd#1%
      {\interlinepenalty\interfootnotelinepenalty}
      {\toggletrue{blx@footnote}%
       \interlinepenalty\interfootnotelinepenalty}
      {\togglefalse{blx@tempa}\listbreak}
      {}}%
  \docsvlist{%
    \@footnotetext,%          latex
    \H@@footnotetext,%        hyperref
    \V@@footnotetext,%        fancyvrb
    \scr@saved@footnotetext,% koma-script 3.x
    \l@dold@footnotetext,%    ledmac
    \l@doldold@footnotetext,% ledmac
    \@fntORI}%                frenchle
  \@ifclassloaded{memoir}%    memoir
    {\togglefalse{blx@tempa}%
     \def\do#1{%
       \patchcmd#1%
         {\color@begingroup}
         {\color@begingroup\toggletrue{blx@footnote}}
         {}
         {\toggletrue{blx@tempa}}}%
     \docsvlist{%
       \m@mold@footnotetext,%
       \@twocolfootnotetext,%
       \@threecolfootnotetext,%
       \@parafootnotetext}}
    {}%
  \iftoggle{blx@tempa}
    {\blx@warning@noline{%
       Patching footnotes failed.\MessageBreak
       Will try to fork \string\@footnotetext}%
     \let\blx@org@footnotetext\@footnotetext
     \long\def\@footnotetext#1{%
       \toggletrue{blx@footnote}%
       \blx@org@footnotetext{#1}%
       \togglefalse{blx@footnote}}}
    {}%
  \@ifpackageloaded{endnotes}
    {\patchcmd\theendnotes
       {\enoteformat}
       {\toggletrue{blx@footnote}\enoteformat}
       {}
       {\blx@err@patch{'endnotes' package}}}
    {}%
  \@ifpackageloaded{bigfoot}
    {\apptocmd\@makefnstartbox
       {\toggletrue{blx@footnote}}
       {}
       {\blx@err@patch{'bigfoot' package}}}
    {}%
  \@ifpackageloaded{showkeys}
    {\ifdef\SK@
       {\AtEveryBibitem{\SK@\SK@@label{\thefield{entrykey}}}%
        \AtEveryLositem{\SK@\SK@@label{\thefield{entrykey}}}%
        \ifundef\SK@cite % = 'notcite' disabled
          {\AtEveryCitekey{\SK@\SK@@ref{\thefield{entrykey}}}}
          {}}
       {}}
    {}%
  \apptocmd\@floatboxreset
    {\boolfalse{citetracker}%
     \boolfalse{pagetracker}}
    {}
    {\blx@err@patch{floats}}%
  \ifdef\TX@endtabularx % tabularx/memoir
    {\patchcmd\TX@endtabularx
       {\edef\TX@ckpt{\cl@@ckpt}}
       {\edef\TX@ckpt{\cl@@ckpt\abx@resttrackers}%
        \abx@savetrackers}
       {}
       {\blx@err@patch{'tabularx'}}%
     \apptocmd\TX@endtabularx{\abx@cleartrackers}
       {}
       {\blx@err@patch{'tabularx'}}}
    {}%
  \@ifpackageloaded{csquotes}
    {\@ifpackagelater{csquotes}{2009/05/30}
       {}
       {\blx@error
          {Outdated 'csquotes' package}
          {Upgrade to csquotes v4.4 (2009/05/30) or later.\MessageBreak
           I found: '\csuse{ver@csquotes.sty}'}}%
     \@ifpackagelater{csquotes}{2009/08/27}
       {\appto\@blockquote@prehook{\abx@savetrackers}%
        \appto\@blockquote@posthook{\abx@resttrackers\abx@cleartrackers}}
       {\BlockquoteDisable{\let\blx@thecheckpunct\@gobble}}%
     \@ifpackagelater{csquotes}{2010/06/09}
       {}
       {\newcommand*{\@quotereset}{}%
        \newcount\@quotereset}}
    {\@ifpackageloaded{babel}
       {\blx@warning@noline{%
          'babel' detected but 'csquotes' missing.\MessageBreak
          Loading 'csquotes' recommended}}
       {}%
     \newcommand*{\@quotelevel}{}%
     \newcount\@quotelevel
     \newcommand*{\@quotereset}{}%
     \newcount\@quotereset
     \newcommand*{\@setquotesfcodes}{}%
     \let\@setquotesfcodes\relax
     \newcommand*{\@ifquotemarker}{}%
     \let\@ifquotemarker\@secondoftwo
     \newrobustcmd*{\initoquote}{\@quotelevel\@ne}%
     \newrobustcmd*{\initiquote}{\@quotelevel\tw@}%
     \newcommand*{\textooquote}{``}%
     \newcommand*{\textcoquote}{''}%
     \newcommand*{\textoiquote}{`}%
     \newcommand*{\textciquote}{'}%
     \newrobustcmd*{\enquote}{\@ifstar\blx@enquote@ii\blx@enquote}%
     \def\blx@enquote{%
       \ifnum\@quotelevel>\z@
         \expandafter\blx@enquote@ii
       \else
         \expandafter\blx@enquote@i
       \fi}%
     \long\def\blx@enquote@i#1{%
       \begingroup\initoquote
       \textooquote#1\textcoquote
       \endgroup}%
     \long\def\blx@enquote@ii#1{%
       \begingroup\initiquote
       \textoiquote#1\textciquote
       \endgroup}%
     \appto\blx@setsfcodes{%
       \sfcode`\`=\z@
       \sfcode`\'=\z@}}%
  \addtocontents{toc}{%
     \string\boolfalse{citerequest}%
     \string\boolfalse{citetracker}%
     \string\boolfalse{pagetracker}%
     \string\boolfalse{backtracker}}%
  \addtocontents{lof}{%
     \string\boolfalse{citerequest}%
     \string\boolfalse{citetracker}%
     \string\boolfalse{pagetracker}%
     \string\boolfalse{backtracker}}%
  \addtocontents{lot}{%
     \string\boolfalse{citerequest}%
     \string\boolfalse{citetracker}%
     \string\boolfalse{pagetracker}%
     \string\boolfalse{backtracker}}%
  \let\do\noexpand}

\begingroup
\@makeother\#
\AtEndPreamble{%
  \patchcmd\addtocontents
    {\string\@writefile}
    {\string\@writefile{#1}{\string\defcounter{refsection}{\the\c@refsection}}\blx@nl
     \string\@writefile}
    {}
    {\blx@err@patch{\string\addtocontents}}}
\endgroup

% trick hyperref into believing we're natbib
\let\NAT@parse\@empty
% trick showkeys into believing we're havard
\let\HAR@checkdef\@empty

%% Category codes

\def\blx@docatcodes{%
  \do\=\do\<\do\>\do\-\do\"\do\'\do\`\do\.%
  \do\,\do\;\do\:\do\!\do\?\do\/}
\def\do#1{\catcode\number`#1=\the\catcode`#1\relax}
\edef\blx@catcodes{\blx@docatcodes\do\^\do\~\do\&\do\|}
\let\do\noexpand

\def\blx@saneccodes{%
  \catcode`\~=\active
  \let\do\@makeother
  \blx@docatcodes
  \let\do\noexpand}

\blx@saneccodes
\catcode`\&=3
\catcode`\|=3
\catcode`\^=7
\def\blx@nl{^^J}

%% Allocation

\providecommand{\@gobblefive}[5]{}

\newcounter{listtotal}
\def\thelisttotal{\the\c@listtotal}
\newcounter{listcount}
\def\thelistcount{\the\c@listcount}
\newcounter{liststart}
\def\theliststart{\the\c@liststart}
\newcounter{liststop}
\def\theliststop{\the\c@liststop}
\newcounter{citecount}
\def\thecitecount{\the\c@citecount}
\newcounter{citetotal}
\def\thecitetotal{\the\c@citetotal}
\newcounter{multicitecount}
\def\themulticitecount{\the\c@multicitecount}
\newcounter{multicitetotal}
\def\themulticitetotal{\the\c@multicitetotal}
\newcounter{instcount}
\def\theinstcount{\the\c@instcount}
\newcounter{maxnames}
\def\themaxnames{\the\c@maxnames}
\newcounter{minnames}
\def\theminnames{\the\c@minnames}
\newcounter{maxitems}
\def\themaxitems{\the\c@maxitems}
\newcounter{minitems}
\def\theminitems{\the\c@minitems}
\newcounter{uniquename}
\def\theuniquename{\the\c@uniquename}
\newcounter{refsection}
\def\therefsection{\the\c@refsection}
\newcounter{refsegment}
\def\therefsegment{\the\c@refsegment}
\newcounter{maxextrayear}
\def\themaxextrayear{\the\c@maxextrayear}
\newcounter{maxextraalpha}
\def\themaxextraalpha{\the\c@maxextraalpha}
\newcounter{abbrvpenalty}
\def\theabbrvpenalty{\the\c@abbrvpenalty}
\newcounter{highnamepenalty}
\def\thehighnamepenalty{\the\c@highnamepenalty}
\newcounter{lownamepenalty}
\def\thelownamepenalty{\the\c@lownamepenalty}
\newcounter{maxparens}
\def\themaxparens{\the\c@maxparens}
\newcounter{parenlevel}
\def\theparenlevel{\the\c@parenlevel}

\newcount\blx@tempcnta
\newcount\blx@tempcntb
\newcount\blx@maxsection
\newcount\blx@maxsegment
\newcount\blx@notetype
\newcount\blx@parenlevel@text
\newcount\blx@parenlevel@foot

\newlength{\labelnumberwidth}
\newlength{\labelalphawidth}
\newlength{\shorthandwidth}
\newlength{\biblabelsep}
\ifdef\bibitemsep % memoir
  {}
  {\newlength{\bibitemsep}}
\newlength{\bibnamesep}
\newlength{\bibinitsep}
\newlength{\bibparsep}
\newlength{\bibhang}

\newbool{citetracker}
\newbool{pagetracker}
\newbool{backtracker}
\newbool{citerequest}
\booltrue{citerequest}

\newtoggle{blx@tempa}
\newtoggle{blx@tempb}
\newtoggle{blx@runltx}
\newtoggle{blx@runbtx}
\newtoggle{blx@block}
\newtoggle{blx@unit}
\newtoggle{blx@insert}
\newtoggle{blx@lastins}
\newtoggle{blx@debug}
\newtoggle{blx@sortcase}
\newtoggle{blx@sortupper}
\newtoggle{blx@autolang}
\newtoggle{blx@clearlang}
\newtoggle{blx@defernumbers}
\newtoggle{blx@omitnumbers}
\newtoggle{blx@footnote}
\newtoggle{blx@labelalpha}
\newtoggle{blx@labelnumber}
\newtoggle{blx@labelyear}
\newtoggle{blx@natbib}
\newtoggle{blx@loadfiles}
\newtoggle{blx@singletitle}
\newtoggle{blx@terseinits}
\newtoggle{blx@firstinits}
\newtoggle{blx@useauthor}
\newtoggle{blx@useeditor}
\newtoggle{blx@usetranslator}
\newtoggle{blx@useprefix}
\newtoggle{blx@addset}
\newtoggle{blx@setonly}
\newtoggle{blx@dataonly}
\newtoggle{blx@skipbib}
\newtoggle{blx@skiplos}
\newtoggle{blx@skiplab}
\newtoggle{blx@citation}
\newtoggle{blx@bibliography}
\newtoggle{blx@reencode}
\newtoggle{blx@citeindex}
\newtoggle{blx@bibindex}

\def\blx@backend{0}
\def\blx@uniquename{0}

\newread\blx@auxin
\newwrite\blx@auxout

\def\blx@onlypreamble#1{%
  \gappto\blx@dopreamblecmds{\do#1}}

\def\blx@dopreamblecmds{%
  \do\blx@dopreamblecmds
  \do\blx@onlypreamble}

%% Initialization

\def\blx@blxinit{%
  \let\blx@blxinit\relax
  \blx@initunit}

\edef\blx@auxfile@bibtex{\jobname}
\let\blx@auxout@bibtex\@mainaux
\newcommand*{\labelalphaothers}{+}
\newcommand*{\blxauxsuffix}{-blx}

\begingroup
\def\blx@tempa#1"#2{%
  #1\ifx#2\@empty\else
    \expandafter\blx@tempa
  \fi#2}
\edef\blx@ctrlfile{%
  \noexpand\blx@tempa
  \expandafter\blx@tempa\jobname"\@empty
  \space\noexpand\@empty}
\def\blx@tempa#1 #2{%
  #1\ifx#2\@empty\else
    \string_\expandafter\blx@tempa
  \fi#2}
\xdef\blx@ctrlfile{\blx@ctrlfile}
\endgroup

\def\blx@secinit{%
  \ifcsundef{blx@sort@\the\c@refsection}
    {\global\cslet{blx@sort@\the\c@refsection}\@empty}
    {}%
  \ifcsundef{blx@sbib@\the\c@refsection}
    {\global\cslet{blx@sbib@\the\c@refsection}\@empty}
    {}%
  \ifcsundef{blx@bsee@\the\c@refsection}
    {\global\cslet{blx@bsee@\the\c@refsection}\@empty}
    {}%
  \ifcsundef{blx@fsee@\the\c@refsection}
    {\global\cslet{blx@fsee@\the\c@refsection}\@empty}
    {}%
  \ifcsundef{blx@losh@\the\c@refsection}
    {\global\cslet{blx@losh@\the\c@refsection}\@empty}
    {}%
  \blx@ibidreset@force
  \blx@idemreset@force
  \blx@opcitreset@force
  \blx@loccitreset@force
  \ifcsundef{blx@segm@\the\c@refsection @\the\c@refsegment}
    {\global\cslet{blx@segm@\the\c@refsection @\the\c@refsegment}\@empty}
    {}}

%% Auxiliary commands

\protected\def\blx@safe@actives{%
  \let\blx@if@safe@actives\if@safe@actives
  \let\if@safe@actives\iftrue}

\protected\def\blx@rest@actives{%
  \let\if@safe@actives\blx@if@safe@actives}

\protected\def\blx@regimc#1{%
  \xappto\blx@blxinit{%
    \let\noexpand#1\expandafter\noexpand\csname
    blx@imc@\expandafter\@gobble\string#1\endcsname}}

\protected\def\blx@regimcs#1{\blx@regimcs@i#1&}
\def\blx@regimcs@i#1{%
  \ifx#1&\else
    \blx@regimc#1%
    \expandafter\blx@regimcs@i
  \fi}

% {<field>} => \do{<item1>}\do{<item2>}...

\def\blx@imc@docsvfield#1{%
  \blx@imc@iffieldundef{#1}
    {}
    {\expandafter\expandafter\expandafter\docsvlist
     \expandafter\expandafter\expandafter{%
       \csname abx@field@#1\endcsname}}}
\blx@regimc\docsvfield

% {<list>|<listmacro>}

\protected\long\def\blx@listloop#1{%
  \expandafter\blx@listloop@i#1|&}
\long\def\blx@listloop@i#1|{%
  \ifblank{#1}
    {\blx@break}
    {\blx@do{#1}\blx@listloop@i}}

\long\def\blx@break#1&{%
  \blx@done
  \undef\blx@do
  \undef\blx@done}

% {<listmacro>}{<listcsname>} => matches in <listmacro>

\protected\def\blx@filter#1#2{%
  \def\do##1{%
    \ifinlistcs{##1}{#2}
      {\listadd#1{##1}}
      {}}%
  \blx@runfilter#1}

% {<listmacro>}{<listcsname>} => neg. matches in <listmacro>

\protected\def\blx@notfilter#1#2{%
  \def\do##1{%
    \ifinlistcs{##1}{#2}
      {}
      {\listadd#1{##1}}}%
  \blx@runfilter#1}

\def\blx@runfilter#1{%
  \begingroup\edef#1{\endgroup
    \unexpanded{\let#1\@empty\dolistloop}{#1}}%
  #1\let\do\noexpand}

% {<code>}{<string>} => <code>{<string>}

\protected\def\blx@xsanitizeafter#1#2{%
  \begingroup
  \abx@hook@xsanitize
  \def\blx@tempa{\endgroup#1}%
  \edef\blx@tempb{#2}%
  \expandafter\blx@tempa
  \expandafter{\detokenize\expandafter{\blx@tempb}}}

\def\abx@hook@xsanitize{%
  \blx@safe@actives
  \let\protect\string}

% {<file>}{<message>}{<preload>}{<postload>}{<success>}{<failure>}

\protected\long\def\blx@inputonce#1#2#3#4#5#6{%
  \ifcsundef{blx@file@#1}
    {\blx@info@noline{Trying to load #2..}%
     \IfFileExists{#1}
       {\blx@info@noline{... file '#1' found}%
        \listxadd\blx@list@req@stat{#1}%
        #3\@@input\@filef@und#4#5}
       {\blx@info@noline{... file '#1' not found}#6}%
     \global\csdef{blx@file@#1}{}%
     \@addtofilelist{#1}}
    {#5}}

% {<string>}

\protected\def\blx@auxwrite#1#2#3{%
  \if@filesw
    \begingroup
    \blx@safe@actives
    \let\protect\string
    #2%
    \immediate\write#1{#3}%
    \endgroup
  \fi}

\def\blx@auxinit@bibtex#1{%
  \blx@auxwrite\blx@auxout@bibtex{}{%
    \ifx\blx@auxout@bibtex\@mainaux
    \else
      \blx@msg@aux
    \fi
    \string\bibstyle{biblatex}\blx@nl
    \string\bibdata{%
      \blx@ctrlfile\blxauxsuffix
      \expandafter\ifblank\expandafter{#1}
	{}
	{,#1}}\blx@nl
    \string\citation{biblatex-control}}}

% {<file>}{<signature>}{<true>}{<false>}

\def\blx@ifsigned#1#2{%
  \begingroup
  \let\blx@tempa\@firstoftwo
  \edef\blx@tempb{\csuse{blx@sig@#2}}%
  \edef\blx@tempb{\detokenize\expandafter{\blx@tempb}}%
  \openin\blx@auxin #1.#2\relax
    \ifeof\blx@auxin
    \else
      \endlinechar\m@ne
      \readline\blx@auxin to \blx@tempc
      \ifeof\blx@auxin
      \else
        \ifx\blx@tempb\blx@tempc
          \readline\blx@auxin to \blx@tempc
          \edef\blx@tempb{\csuse{blx@ver@#2}}%
          \edef\blx@tempb{\detokenize\expandafter{\blx@tempb}}%
          \ifx\blx@tempb\blx@tempc
          \else
            \blx@warning@noline{%
              File '#1.#2' created by wrong version}
          \fi
        \else
          \blx@error
            {File '#1.#2' not created by biblatex}
            {This file was apparently not created by biblatex.
             Rename it or\MessageBreak move it to a location were
             TeX will not find it. If this error\MessageBreak
             persists, consider redefining \string\blxauxsuffix.%
             See the biblatex\MessageBreak manual for details}%
          \let\blx@tempa\@secondoftwo
        \fi
      \fi
    \fi
  \closein\blx@auxin
  \expandafter\endgroup\blx@tempa}

\def\blx@sig@bib{@Comment{$ biblatex control file $}}
\edef\blx@ver@bib{@Comment{$ biblatex version \blx@bblversion\space $}}
\edef\blx@sig@aux{\@percentchar\space $ biblatex auxiliary file $}
\edef\blx@ver@aux{\@percentchar\space$ biblatex version \blx@bblversion\space $}
\let\blx@sig@bbl\blx@sig@aux
\let\blx@ver@bbl\blx@ver@aux
\edef\blx@sig@bcf{\detokenize{<?xml version="1.0" encoding="UTF-8"?>}}
\edef\blx@ver@bcf{%
  \detokenize{<bcf:controlfile version="}\blx@bblversion
  \detokenize{" xmlns:bcf="https://sourceforge.net/projects/biblatex">}}

\edef\blx@msg@aux{%
  \blx@sig@aux\blx@nl
  \blx@ver@aux\blx@nl
  \@percentchar\space Do not modify this file!\blx@nl
  \@percentchar\blx@nl
  \@percentchar\space This is an auxiliary file
  used by the 'biblatex' package.\blx@nl
  \@percentchar\space This file may safely be deleted.
  It will be recreated as\blx@nl
  \@percentchar\space required.\blx@nl
  \@percentchar\blx@nl\string\relax\blx@nl}
\edef\blx@msg@bib{%
  \blx@sig@bib\blx@nl
  \blx@ver@bib\blx@nl
  Do not modify this file!\blx@nl\blx@nl
  This is an auxiliary file used
  by the 'biblatex' package.\blx@nl
  This file may safely be deleted.
  It will be recreated as\blx@nl
  required.\blx@nl\blx@nl}

% {<true>}{<false>}

\newrobustcmd*{\lbx@ifutfinput}{\ifboolexpr{%
  test {\ifdefstring\inputencodingname{utf8}}
  or
  test {\ifdefstring\inputencodingname{utf8x}}
  or
  test {\ifdefstring\inputencodingname{lutf8}}
  or
  ( test {\ifundef\inputencodingname}
    and
    ( not test {\ifundef\XeTeXrevision}
      or
      not test {\ifundef\luatexversion}
    )
  )
}}

%% User feedback

\protected\def\blx@error#1#2{%
  \begingroup
  \blx@safe@actives
  \PackageError{biblatex}{#1}{#2.}%
  \endgroup}

\protected\def\blx@warning#1{%
  \begingroup
  \blx@safe@actives
  \PackageWarning{biblatex}{#1\blx@noline}%
  \endgroup}
\protected\def\blx@warning@noline#1{%
  \begingroup
  \blx@safe@actives
  \PackageWarning{biblatex}{#1\@gobble}%
  \endgroup}
\protected\def\blx@warning@entry#1{%
  \ifdef\abx@field@entrykey
    {\blx@warning{#1\MessageBreak at entry '\abx@field@entrykey'}}
    {\blx@warning{#1}}}

\protected\def\blx@info#1{%
  \begingroup
  \blx@safe@actives
  \PackageInfo{biblatex}{#1\blx@noline}%
  \endgroup}
\def\blx@info@noline#1{%
  \begingroup
  \blx@safe@actives
  \PackageInfo{biblatex}{#1\@gobble}%
  \endgroup}

\let\blx@noline\@gobble
\AtEndOfPackage{\let\blx@noline\@empty}
\def\blx@imc@BibliographyWarning{\blx@warning@entry}
\blx@regimc\BibliographyWarning

\protected\def\abx@missing#1{%
  \mbox{\reset@font\bfseries#1}}

\def\blx@err@patch#1{%
  \blx@error
    {Patching #1 failed}
    {This is an internal issue typically caused by a
     conflict\MessageBreak between biblatex and some
     other package. Modifying\MessageBreak the package
     loading order may fix the problem}}

\def\blx@err@nolang#1{%
  \blx@error
    {Language '#1' not found}
    {The localization module for '#1' could not be found}}

\def\blx@err@invarg#1#2{%
  \blx@error
    {Argument '#1' invalid}
    {\ifblank{#2}
       {The argument you have supplied is invalid.\MessageBreak
	See the biblatex manual for details}
       {#2}}}

\def\blx@err@invopt#1#2{%
  \blx@error
    {Option '#1' invalid}
    {\ifblank{#2}
       {The option you have supplied is invalid.\MessageBreak
	See the biblatex manual for valid option keys and
	possible values}
       {#2}}}

\def\blx@err@confopt#1#2{%
  \blx@error
    {Conflicting options\ifblank{#1}{}{ (#1)}}
    {\ifblank{#2}
       {The option you have supplied conflicts with another one.\MessageBreak
	See the biblatex manual for valid option keys and possible values}
       {#2}}}

\def\blx@err@optdef#1{%
  \blx@error
    {Conflicting options}
    {The option '#1' is already defined}}

\def\blx@err@nodocdiv#1{%
  \blx@error
    {Failed to hook into \@backslashchar#1}
    {There are two possible reasons for this error.
     Either\MessageBreak the document class does not
     support chapters or the\MessageBreak implementation
     is not compatible with biblatex}}

\def\blx@err@nosec#1{%
  \blx@error
    {Section '#1' not found}
    {The reference section '#1' could not be found}}

\def\blx@err@secfirst{%
  \blx@error
    {'section' not first filter}
    {When passing multiple filter options,
     the 'section' filter must be given first}}

\protected\def\blx@err@nestcite{%
  \blx@error
    {Nested citation command}
    {Citation commands may not be nested}}

\def\blx@err@nestenv#1{%
  \blx@error
    {Nested '#1' environment}
    {This environment may not be nested}}

\protected\def\blx@err@citecmd#1{%
  \begingroup
  \escapechar\m@ne
  \blx@error
    {Command '\@backslashchar\string#1' undefined}
    {The citation command '\@backslashchar\string#1'
     has not been defined\MessageBreak by the
     selected citation style}%
  \endgroup}

\def\blx@err@endnote#1{%
  \blx@error
    {Missing or incomplete endnote support}
    {There does not seem to be endnote support available\MessageBreak
     or the available support is incomplete.\MessageBreak
     If you continue, I will fall back to '\string#1'}%
  #1}

\def\blx@err@matchparen#1{%
  \blx@error
    {Unbalanced parentheses or brackets}
    {\iftoggle{blx@footnote}{#1 in foot or endnote}{#1}.\MessageBreak
     This error is triggered if \string\bibopenparen\space and
     \string\bibcloseparen\MessageBreak or
     \string\bibopenbracket\space and \string\bibclosebracket\space
     are unbalanced\MessageBreak or mismatched}}

\def\blx@err@nestparen#1{%
  \blx@error
    {Too deeply nested parentheses or brackets}
    {#1 nested too deeply%
     \iftoggle{blx@footnote}{\space in foot or endnote}{}.\MessageBreak
     This error may also be triggered if \string\mkbibparens\MessageBreak
     or \string\mkbibbrackets\space are nested too deeply}}

\def\blx@err@filter{%
  \blx@error
    {Invalid filter expression}
    {The filter expression you have supplied is invalid.\MessageBreak
     See the biblatex manual for details}}

\def\blx@warn@nohyph#1{%
  \blx@warning{No hyphenation patterns for '#1'}}

\protected\def\blx@warn@citecmd#1#2{%
  \blx@warning{%
    '\string#1' not defined by citation style.\MessageBreak
    Falling back to '\string#2'}%
  #2}

\protected\def\blx@warn@nostring#1{%
  \blx@warning@entry{Bibliography string '#1' undefined}%
  \abx@missing{#1}}

\def\blx@warn@conflopt#1{%
  \blx@warning{Conflicting options.\MessageBreak#1}}

\def\blx@warn@bibempty{%
  \@latex@warning{Empty bibliography}}

\def\blx@warn@losempty{%
  \@latex@warning{Empty list of shorthands}}

\def\blx@inf@refsec{%
  \blx@info{Reference section=\the\c@refsection}}%

\def\blx@inf@refseg{%
  \ifnum\c@refsection=\z@
    \blx@info{Reference segment=\the\c@refsegment}%
  \else
    \blx@info{%
      Reference section/segment=%
      \the\c@refsection/\the\c@refsegment}%
  \fi}

\def\blx@inf@creset{%
  \blx@info{Resetting trackers}}%

\def\blx@msg@cundef#1{%
  Citation '#1' undefined}
\def\blx@msg@cundefon#1{%
  Citation '#1' on page \the\c@page\space undefined}

% \blx@list@active			active aux files (basename)
%                                       [internal list]
% \blx@list@inactive			inactive aux files (basename)
%                                       [internal list]
% \blx@list@bibfiles@<auxfile>		aux file -> bib file mapping (refsections)
%                                       aux file (basename) -> bib files (full)
%                                       [internal list]

\let\blx@list@active\@empty
\let\blx@list@inactive\@empty
\listeadd\blx@list@inactive{\jobname}

\def\blx@regbibfile#1#2{%
  \ifinlistcs{#2.bib}{blx@list@bibfiles@#1}
    {}
    {\listcsxadd{blx@list@bibfiles@#1}{#2.bib}}}

\def\blx@regbibfiles#1#2{%
  \blx@xsanitizeafter{\forcsvlist{\blx@regbibfile{#1}}}{#2}}

\def\blx@check@logreq{%
  \begingroup
  \ifnum\blx@backend=\blx@backend@biber
    \ltxrequest{biblatex}{{\iftoggle{blx@runltx}{1}{0}}}{%
      \provides[type=dynamic]{
	\file{\jobname.bcf}
      }
      \requires[type=dynamic]{
        \file{\jobname.bbl}
      }
      \ifdef\blx@list@req@edit
        {\requires[type=editable]{
           \forlistloop\file\blx@list@req@edit
	 }}
	{}
      \ifdef\blx@list@req@stat
        {\requires[type=static]{
           \forlistloop\file\blx@list@req@stat
	 }}
	{}
    }%
    \logrequest[package=biblatex,priority=5,active={{\iftoggle{blx@runbtx}{1}{0}}}]{%
      \generic{biber}
      \cmdline{
	\binary{biber}
	\infile{\jobname}
      }
      \input{
	\file{\jobname.bcf}
      }
      \output{
	\file{\jobname.bbl}
      }
      \provides[type=dynamic]{
	\file{\jobname.bbl}
      }
      \requires[type=dynamic]{
	\file{\jobname.bcf}
      }
      \ifcsdef{blx@list@bibfiles@\jobname}
	{\requires[type=editable]{
	   \def\do{\file}
	   \dolistcsloop{blx@list@bibfiles@\jobname}
	 }}
	{}
    }%
  \else
    \ltxrequest{biblatex}{{\iftoggle{blx@runltx}{1}{0}}}{%
      \provides[type=dynamic]{
	\def\do##1{\file{##1.aux}}
	\dolistloop\blx@list@inactive
	\file{\blx@ctrlfile\blxauxsuffix.bib}
      }
      \requires[type=dynamic]{
	\def\do##1{\file{##1.bbl}}
	\dolistloop\blx@list@inactive
      }
      \ifdef\blx@list@req@edit
        {\requires[type=editable]{
           \forlistloop\file\blx@list@req@edit
	 }}
	{}
      \ifdef\blx@list@req@stat
        {\requires[type=static]{
           \forlistloop\file\blx@list@req@stat
	 }}
	{}
    }%
    \def\do##1{%
      \ifinlist{##1}{\blx@list@active}
        {\blx@logreq@bibtex{1}{##1}}
	{\blx@logreq@bibtex{0}{##1}}}%
    \dolistloop\blx@list@inactive
  \fi
  \endgroup}

\def\blx@logreq@bibtex#1#2{%
  \logrequest[package=biblatex,priority=5,active=#1]{%
    \generic{bibtex}
    \cmdline{%
      \ifcase\blx@backend
        \binary{bibtex}
	\option{-min-crossrefs \blx@mincrossrefs}
      \or
        \binary{bibtex8}
        \option{--wolfgang}
        \option{--min\string_crossrefs \blx@mincrossrefs}
	\ifdef\blx@csfencoding
	  {\option{--csfile \blx@csfencoding.csf}}
	  {}%
      \or
        \binary{bibtexu}
        \option{--wolfgang}
        \option{--min\string_crossrefs \blx@mincrossrefs}
      \fi
      \infile{#2}
     }
     \input{
       \file{#2.aux}
     }
     \output{
       \file{#2.bbl}
     }
      \provides[type=dynamic]{
        \file{#2.bbl}
      }
      \requires[type=dynamic]{
        \file{#2.aux}
	\file{\blx@ctrlfile\blxauxsuffix.bib}
      }
      \requires[type=editable]{
	\ifcsdef{blx@list@bibfiles@#2}
	  {\def\do{\file}
	   \dolistcsloop{blx@list@bibfiles@#2}}
	  {}
      }
      \requires[type=static]{
        \file{biblatex.bst}
	\ifnum\blx@backend=\blx@backend@bibtexe
	  \ifdef\blx@csfencoding
	    {\file{\blx@csfencoding.csf}}
	    {}%
	\fi
      }
  }%
}

\def\blx@logreq@active#1{%
  \ifnum\blx@backend=\blx@backend@biber
  \else
    \xifinlist{\blx@auxfile@bibtex}{\blx@list@active}
      {}
      {\listxadd\blx@list@active{\blx@auxfile@bibtex}}%
  \fi
  \ifblank{#1}
    {}
    {\@latex@warning{#1}}%
  \blx@rerun@latex
  \blx@rerun@bibtex}

\def\blx@logreq@inactive{%
  \ifnum\blx@backend=\blx@backend@biber
  \else
    \xifinlist{\blx@auxfile@bibtex}{\blx@list@inactive}
      {}
      {\listxadd\blx@list@inactive{\blx@auxfile@bibtex}}%
  \fi}

\def\blx@rerun@latex{%
  \G@refundefinedtrue
  \global\toggletrue{blx@runltx}%
  \global\let\blx@rerun@latex\relax}

\def\blx@rerun@bibtex{%
  \global\toggletrue{blx@runbtx}%
  \global\let\blx@rerun@bibtex\relax}

\let\blx@checksum@old\@empty
\let\blx@checksum@new\@empty
\let\abx@aux@checksum\relax

\def\blx@checksum#1#2#3{%
  \begingroup
  \blx@tempcnta\the\numexpr0#2*0#3\relax
  \blx@tempcntb\blx@tempcnta
  \divide\blx@tempcntb10
  \multiply\blx@tempcntb10
  \advance\blx@tempcnta-\blx@tempcntb
  \xdef#1{#1\the\blx@tempcnta}%
  \endgroup}

\def\blx@addchecksum{\blx@checksum\blx@checksum@old}
\AtEndDocument{%
  \def\blx@addchecksum{\blx@checksum\blx@checksum@new}}

\protected\def\blx@check@rerun{%
  \blx@tempcnta\z@
  \iftoggle{blx@runltx}
    {\blx@tempcnta\@ne}
    {\ifx\blx@checksum@old\blx@checksum@new
     \else
       \blx@tempcnta\@ne
     \fi}%
  \iftoggle{blx@runbtx}
    {\advance\blx@tempcnta\tw@}
    {}%
  \ifcase\blx@tempcnta
  \or
    \blx@rerun@latex
    \blx@warning@noline{Please rerun LaTeX}%
  \else
    \blx@rerun@latex
    \blx@warn@auxlist
  \fi}

\def\blx@warn@auxlist{%
  \begingroup
  \ifnum\blx@backend=\blx@backend@biber
    \edef\blx@tempa{%
      Please (re)run Biber on the file:\MessageBreak
      \jobname}%
  \else
    \edef\blx@tempa{Please (re)run BibTeX on the file(s):}%
    \def\do##1{\appto\blx@tempa{\MessageBreak##1}}%
    \dolistloop\blx@list@active
  \fi
  \blx@warning@noline{%
    \blx@tempa\MessageBreak
    and rerun LaTeX afterwards}%
  \endgroup}

\AfterEndDocument{%
  \blx@check@rerun
  \blx@check@logreq}

%% Punctuation and capitalization

% 1001       apostrophe (\printnames only)
% 1002       abbreviation dot
% 1003/1250  comma
% 1004/1500  semicolon
% 1005/2000  colon
% 1006/3000  period
% 1007/3001  exclamation mark
% 1008/3002  question mark
% 1009       suppress punctuation
% 1010       new paragaph

\mathchardef\blx@sf@apo=1001
\mathchardef\blx@sf@dot=1002
\mathchardef\blx@sf@comma=1003
\mathchardef\blx@sf@semicolon=1004
\mathchardef\blx@sf@colon=1005
\mathchardef\blx@sf@period=1006
\mathchardef\blx@sf@exclam=1007
\mathchardef\blx@sf@question=1008
\mathchardef\blx@sf@nopunct=1009
\mathchardef\blx@sf@par=1010
\mathchardef\blx@sf@threshold@low=1002
\mathchardef\blx@sf@threshold@high=1009

\csedef{blx@sf@1250}{\the\blx@sf@comma}
\csedef{blx@sf@1500}{\the\blx@sf@semicolon}
\csedef{blx@sf@2000}{\the\blx@sf@colon}
\csedef{blx@sf@3000}{\the\blx@sf@period}
\csedef{blx@sf@3001}{\the\blx@sf@exclam}
\csedef{blx@sf@3002}{\the\blx@sf@question}

\csdef{blx@pm@,}{comma}
\csdef{blx@pm@;}{semicolon}
\csdef{blx@pm@:}{colon}
\csdef{blx@pm@.}{period}
\csdef{blx@pm@!}{exclam}
\csdef{blx@pm@?}{question}

\def\blx@setsfcodes{%
  \let\blx@setsfcodes\relax
  \let\frenchspacing\blx@setfrcodes
  \let\nonfrenchspacing\blx@setencodes
  \ifnum\sfcode`\.>2000
    \blx@setencodes
  \else
    \blx@setfrcodes
  \fi
  \@setquotesfcodes
  \sfcode`\(=\z@
  \sfcode`\)=\z@
  \sfcode`\[=\z@
  \sfcode`\]=\z@
  \sfcode`\<=\z@
  \sfcode`\>=\z@}

\def\blx@setfrcodes{%
  \ifnum\sfcode`\A=\@m
  \else
    \blx@setazcodes
  \fi
  \sfcode`\,=\blx@sf@comma
  \sfcode`\;=\blx@sf@semicolon
  \sfcode`\:=\blx@sf@colon
  \sfcode`\.=\blx@sf@period
  \sfcode`\!=\blx@sf@exclam
  \sfcode`\?=\blx@sf@question
}

\def\blx@setencodes{%
  \sfcode`\,=1250
  \sfcode`\;=1500
  \sfcode`\:=2000
  \sfcode`\.=3000
  \sfcode`\!=3001
  \sfcode`\?=3002
}

\def\blx@namecodes{%
  \ifnum\sfcode`\A=\@m
  \else
    \blx@setazcodes
  \fi
  \sfcode`\'=\blx@sf@apo
}

\begingroup
\let\blx@setazcodes\@empty
\def\blx@tempa{%
  \xdef\blx@setazcodes{%
    \blx@setazcodes
    \sfcode\the\blx@tempcnta=\@m}
  \ifnum\blx@tempcnta<\blx@tempcntb
    \advance\blx@tempcnta\@ne
    \expandafter\blx@tempa
  \fi}
\blx@tempcnta`\A
\blx@tempcntb`\Z
\blx@tempa
\ifnum\inputlineno=\m@ne\else
  \blx@tempcnta"80
  \blx@tempcntb"9C
  \blx@tempa
  \blx@tempcnta"C0
  \blx@tempcntb"DF
  \blx@tempa
\fi
\endgroup

\def\blx@spacefactor{%
  \ifhmode
    \ifcsundef{blx@sf@\the\spacefactor}
      {\the\spacefactor}
      {\csname blx@sf@\the\spacefactor\endcsname}%
  \else
    \the\blx@sf@par
  \fi}

\protected\def\blx@leavevmode{%
  \ifhmode
  \else
    \leavevmode\spacefactor\blx@sf@par
  \fi}

\protected\def\blx@leavevmode@cite{%
  \ifhmode
    \ifnum\spacefactor=\blx@sf@par
    \else
      \spacefactor\@m
    \fi
  \else
    \leavevmode
  \fi}

\protected\def\blx@imc@setpunctfont#1{%
  \blx@ifpuncthook
    {\gdef\abx@puncthook{%
       \ifdim\lastkern>\z@\unkern\fi
       \blx@imc@resetpunctfont#1}}
    {}}
\protected\def\blx@imc@resetpunctfont{%
  \blx@ifpuncthook
    {\global\let\abx@puncthook\@firstofone}
    {}}

\protected\def\blx@setpostpunct#1{%
  \blx@ifuspunct
    {\global\let\blx@postpunct\blx@dopostpunct
     \ifdef\blx@thepostpunct
       {\gappto\blx@thepostpunct{#1}}
       {\gdef\blx@thepostpunct{#1}}}
    {}}

\def\blx@dopostpunct{%
  \blx@thepostpunct
  \global\let\blx@postpunct\@empty
  \global\undef\blx@thepostpunct}

\protected\def\blx@postpunct@agroup{%
  \aftergroup\blx@postpunct
  \let\blx@postpunct@agroup\@empty}

% {<characters>}

\newrobustcmd*{\DeclareCapitalPunctuation}[1]{%
  \cslet{blx@cap@\the\blx@sf@par}\@empty
  \csundef{blx@cap@\the\blx@sf@comma}%
  \csundef{blx@cap@\the\blx@sf@semicolon}%
  \csundef{blx@cap@\the\blx@sf@colon}%
  \csundef{blx@cap@\the\blx@sf@period}%
  \csundef{blx@cap@\the\blx@sf@exclam}%
  \csundef{blx@cap@\the\blx@sf@question}%
  \ifblank{#1}
    {}
    {\expandafter\blx@defcapstring\detokenize{#1}\relax}}

\def\blx@defcapstring#1{%
  \ifx#1\relax
  \else
    \begingroup
    \blx@setfrcodes
    \ifcsdef{blx@pm@#1}
      {\expandafter\endgroup
       \expandafter\let
         \csname blx@cap@\the\sfcode`#1\endcsname\@empty}
      {\blx@warning{Ignoring invalid punctuation mark '#1'}%
       \endgroup}%
    \expandafter\blx@defcapstring
  \fi}

% {<characters>}

\newrobustcmd*{\DeclareQuotePunctuation}[1]{%
  \csdef{blx@qp@comma}{\blx@postpunct}%
  \csdef{blx@qp@semicolon}{\blx@postpunct}%
  \csdef{blx@qp@colon}{\blx@postpunct}%
  \csdef{blx@qp@period}{\blx@postpunct}%
  \csdef{blx@qp@exclam}{\blx@postpunct}%
  \csdef{blx@qp@question}{\blx@postpunct}%
  \cslet{blx@pq@comma}\@empty
  \cslet{blx@pq@semicolon}\@empty
  \cslet{blx@pq@colon}\@empty
  \cslet{blx@pq@period}\@empty
  \cslet{blx@pq@exclam}\@empty
  \cslet{blx@pq@question}\@empty
  \let\blx@quotepunct\@empty
  \ifblank{#1}
    {\let\blx@ifuspunct\@secondoftwo}
    {\let\blx@ifuspunct\@firstoftwo
     \expandafter\blx@defquotepunct\detokenize{#1}&}}

\def\blx@defquotepunct#1{%
  \ifx&#1\relax
  \else
    \ifcsdef{blx@pm@#1}
      {\appto\blx@quotepunct{#1}%
       \cslet{blx@qp@\csuse{blx@pm@#1}}\@empty
       \csdef{blx@pq@\csuse{blx@pm@#1}}{\blx@postpunct}}
      {\blx@warning{Ignoring invalid punctuation mark '#1'}}%
    \expandafter\blx@defquotepunct
  \fi}

% {<mark>}{<characters>}

\newrobustcmd*{\DeclarePunctuationPairs}[2]{%
  \ifcsdef{blx@sf@\detokenize{#1}}
    {\ifnum\csname blx@sf@\detokenize{#1}\endcsname>\blx@sf@apo
       \ifnum\csname blx@sf@\detokenize{#1}\endcsname<\blx@sf@nopunct
         \expandafter\blx@defpunctpairs
         \expandafter{\the\csname blx@sf@\detokenize{#1}\endcsname}{#2}%
       \else
         \blx@err@invarg{\detokenize{#1}{}}%
       \fi
     \else
       \blx@err@invarg{\detokenize{#1}{}}%
     \fi}
    {\blx@err@invarg{\detokenize{#1}{}}}}

\def\blx@defpunctpairs#1#2{%
  \blx@undefpair{#1}{\the\blx@sf@dot}%
  \blx@undefpair{#1}{\the\blx@sf@comma}%
  \blx@undefpair{#1}{\the\blx@sf@semicolon}%
  \blx@undefpair{#1}{\the\blx@sf@colon}%
  \blx@undefpair{#1}{\the\blx@sf@period}%
  \blx@undefpair{#1}{\the\blx@sf@exclam}%
  \blx@undefpair{#1}{\the\blx@sf@question}%
  \ifblank{#2}
    {}
    {\begingroup
     \def\blx@tempa{#1}%
     \let\blx@tempb\@empty
     \blx@setfrcodes
     \sfcode`\*=\blx@sf@dot
     \expandafter\blx@defpair\detokenize{#2}&%
     \expandafter\endgroup\blx@tempb}}

\def\blx@defpair#1{%
  \ifx&#1%
  \else
    \ifnum\the\sfcode`#1>\blx@sf@apo
      \ifnum\the\sfcode`#1<\blx@sf@nopunct
        \eappto\blx@tempb{%
          \cslet{blx@pp@\blx@tempa @\the\sfcode`#1}\noexpand\@empty}%
      \else
        \blx@err@invarg{#1}{}%
      \fi
    \else
      \blx@err@invarg{#1}{}%
    \fi
    \expandafter\blx@defpair
  \fi}

\def\blx@undefpair#1#2{%
  \ifcsdef{blx@pp@#1@#2}
    {\csundef{blx@pp@#1@#2}}
    {}}

\protected\def\blx@resetpunct{%
  \DeclareCapitalPunctuation{.!?}%
  \DeclarePunctuationPairs{dot}{}%
  \DeclarePunctuationPairs{comma}{*!?}%
  \DeclarePunctuationPairs{semicolon}{*!?}%
  \DeclarePunctuationPairs{colon}{*!?}%
  \DeclarePunctuationPairs{period}{}%
  \DeclarePunctuationPairs{exclam}{*}%
  \DeclarePunctuationPairs{question}{*}%
  \DeclareQuotePunctuation{}%
  \def\abx@dot{\ifdim\lastkern>\z@\unkern\fi.\spacefactor\blx@sf@dot}%
  \def\abx@comma{\ifdim\lastkern>\z@\unkern\fi\abx@puncthook{,}}%
  \def\abx@semicolon{\abx@puncthook{;}}%
  \def\abx@colon{\abx@puncthook{:}}%
  \def\abx@period{\ifdim\lastkern>\z@\unkern\fi\abx@puncthook{.}}%
  \def\abx@exclam{\abx@puncthook{!}}%
  \def\abx@question{\abx@puncthook{?}}%
  \global\let\abx@puncthook\@firstofone
  \global\let\blx@postpunct\@empty}

\blx@resetpunct

% {<character>}{<true>}{<false>}

\protected\def\blx@imc@ifpunctmark#1{%
  \ifhmode
    \begingroup
    \sfcode`\*=\blx@sf@dot
    \ifnum\sfcode`#1=\spacefactor
      \endgroup
      \expandafter\expandafter
      \expandafter\@firstoftwo
    \else
      \endgroup
      \expandafter\expandafter
      \expandafter\@secondoftwo
    \fi
  \else
    \expandafter\@secondoftwo
  \fi}

% {<true>}{<false>}

\protected\def\blx@imc@ifterm{%
  \ifhmode
    \expandafter\blx@imc@ifcapital
  \else
    \expandafter\@secondoftwo
  \fi}

% {<true>}{<false>}

\protected\def\blx@imc@ifcapital{%
  \ifcsdef{blx@cap@\blx@spacefactor}}

% {<true>}{<false>}

\protected\def\blx@imc@ifpunct{%
  \ifnum\blx@spacefactor>\blx@sf@threshold@low
    \ifnum\blx@spacefactor<\blx@sf@threshold@high
      \expandafter\expandafter
      \expandafter\@firstoftwo
    \else
      \expandafter\expandafter
      \expandafter\@secondoftwo
    \fi
  \else
    \expandafter\@secondoftwo
  \fi}

% {<character>}

\newrobustcmd*{\autocap}[1]{#1}

\protected\def\blx@imc@autocap{%
  \blx@imc@ifcapital\MakeUppercase\@firstofone}

\protected\def\blx@imc@nopunct{%
  \leavevmode\spacefactor\blx@sf@nopunct}

\protected\def\blx@imc@isdot{%
  \ifnum\blx@spacefactor=\blx@sf@period
    \spacefactor\blx@sf@dot
  \fi}

\protected\def\blx@imc@adddot{%
  \blx@addpunct{dot}%
  \ifnum\blx@spacefactor=\blx@sf@period
    \spacefactor\blx@sf@dot
  \fi}

\protected\def\blx@imc@addperiod{%
  \blx@addpunct{period}%
  \ifnum\blx@spacefactor=\blx@sf@dot
    \spacefactor\blx@sf@period
  \fi}

\protected\def\blx@imc@addcomma{\blx@addpunct{comma}}
\protected\def\blx@imc@addsemicolon{\blx@addpunct{semicolon}}
\protected\def\blx@imc@addcolon{\blx@addpunct{colon}}
\protected\def\blx@imc@addexclam{\blx@addpunct{exclam}}
\protected\def\blx@imc@addquestion{\blx@addpunct{question}}

\def\blx@addpunct#1{%
  \unspace
  \ifnum\blx@spacefactor<\blx@sf@threshold@low
    \csuse{blx@qp@#1}\csuse{abx@#1}%
  \else
    \ifnum\blx@spacefactor>\blx@sf@threshold@high
      \csuse{blx@qp@#1}\csuse{abx@#1}%
    \else
      \ifcsdef{blx@pp@\the\csname blx@sf@#1\endcsname @\blx@spacefactor}
        {\csuse{blx@qp@#1}\csuse{abx@#1}}
        {\csuse{blx@qp@#1}}%
    \fi
  \fi
  \csuse{blx@pq@#1}}

\providerobustcmd*{\unspace}{%
  \ifbool{hmode}
    {\ifdimgreater\lastskip\z@
       {\unskip\unspace}
       {\ifnumgreater\lastpenalty\z@
	  {\unpenalty\unspace}
	  {}}}
    {}}

\newrobustcmd*{\bibsentence}{%
  \leavevmode\spacefactor\blx@sf@par
  \ignorespaces}

\newrobustcmd*{\midsentence}{%
  \leavevmode
  \@ifstar
    {\ifnum\spacefactor=\blx@sf@dot
     \else
       \spacefactor\@m
     \fi}
    {\spacefactor\@m}}

\newrobustcmd*{\addslash}{%
  \unspace/\hskip\z@skip}

\newrobustcmd*{\addspace}{%
  \unspace\blx@postpunct
  \space\blx@imc@resetpunctfont}

\newrobustcmd*{\addnbspace}{%
  \unspace\blx@postpunct
  \nobreak\space\blx@imc@resetpunctfont}

\newrobustcmd*{\addthinspace}{%
  \unspace\blx@postpunct
  \hskip0.16667em\relax
  \blx@imc@resetpunctfont}

\newrobustcmd*{\addnbthinspace}{%
  \unspace\blx@postpunct
  \nobreak\hskip0.16667em\relax
  \blx@imc@resetpunctfont}

\newrobustcmd*{\addlowpenspace}{%
  \unspace\blx@postpunct
  \penalty\value{lownamepenalty}\space
  \blx@imc@resetpunctfont}

\newrobustcmd*{\addhighpenspace}{%
  \unspace\blx@postpunct
  \penalty\value{highnamepenalty}\space
  \blx@imc@resetpunctfont}

\newrobustcmd*{\addlpthinspace}{%
  \unspace\blx@postpunct
  \penalty\value{lownamepenalty}%
  \hskip0.16667em\relax\blx@imc@resetpunctfont}

\newrobustcmd*{\addhpthinspace}{%
  \unspace\blx@postpunct
  \penalty\value{highnamepenalty}%
  \hskip0.16667em\relax\blx@imc@resetpunctfont}

\newrobustcmd*{\addabbrvspace}{%
  \unspace\blx@postpunct
  \penalty\value{abbrvpenalty}%
  \space\blx@imc@resetpunctfont}

\newrobustcmd*{\addabthinspace}{%
  \unspace\blx@postpunct
  \penalty\value{abbrvpenalty}%
  \hskip0.16667em\relax
  \blx@imc@resetpunctfont}

\newrobustcmd*{\adddotspace}{%
  \unspace\adddot\blx@postpunct
  \penalty\value{abbrvpenalty}%
  \space\blx@imc@resetpunctfont}

\providerobustcmd*{\noligature}{%
  \penalty\@M\discretionary{-}{}{\kern0.03em}%
  \nobreak\hskip\z@skip}

\providerobustcmd*{\hyphen}{%
  \nobreak-\nobreak\hskip\z@skip}

\providerobustcmd*{\nbhyphen}{%
  \nobreak\mbox{-}\nobreak\hskip\z@skip}

\providerobustcmd*{\hyphenate}{%
  \nobreak\-\nobreak\hskip\z@skip}

\providerobustcmd*{\allowhyphens}{%
  \nobreak\hskip\z@skip}

\providerobustcmd*{\nohyphenation}{%
  \lefthyphenmin\@m}

\providerobustcmd*{\textnohyphenation}[1]{%
  \bgroup\nohyphenation#1\egroup}

\blx@regimcs{%
  \setpunctfont \resetpunctfont \ifcapital \autocap \ifpunctmark
  \ifpunct \ifterm \nopunct \isdot \adddot \addperiod \addcomma
  \addsemicolon \addcolon \addexclam \addquestion}

\appto\blx@blxinit{%
  \appto\nocorrlist{\isdot\adddot\addperiod\addcomma}}

%% Style definition

% {<bibstyle>}

\newrobustcmd*{\RequireBibliographyStyle}[1]{%
  \blx@inputonce{#1.bbx}{bibliography style '#1'}{}{}{}
    {\blx@error
       {Style '#1' not found}
       {The bibliography style '#1' could not be found}}}
\@onlypreamble\RequireBibliographyStyle

% {<code>}

\newrobustcmd*{\InitializeBibliographyStyle}{\appto\blx@hook@bbxinit}
\@onlypreamble\InitializeBibliographyStyle

% {<type>}{<driverdef>}

\newrobustcmd*{\DeclareBibliographyDriver}[1]{%
  \long\csdef{blx@bbx@#1}}
\@onlypreamble\DeclareBibliographyDriver

\def\blx@driver#1{%
  \ifcsundef{blx@bbx@#1}
    {\ifcsundef{blx@bbx@*}
       {\blx@warning{%
	  No driver for entry type '\abx@field@entrytype'}}
       {\csuse{blx@bbx@*}}}
    {\csuse{blx@bbx@#1}}}

% {<type>}{<true>}{<false>}

\def\blx@ifdriver#1{%
  \ifcsundef{blx@bbx@#1}
    {\ifcsundef{blx@bbx@*}
       {\@secondoftwo}
       {\@firstoftwo}}
    {\@firstoftwo}}

% {<alias>}{<type>}

\newrobustcmd*{\DeclareBibliographyAlias}[2]{%
  \csedef{blx@bbx@#1}{%
    \expandafter\noexpand\csname blx@bbx@#2\endcsname}}
\@onlypreamble\DeclareBibliographyAlias

% {<key>}[<value>]{<code>}

\newrobustcmd*{\DeclareBibliographyOption}[1]{%
  \@ifnextchar[%]
    {\blx@defbibopt{#1}}
    {\blx@defbibopt{#1}[]}}

\long\def\blx@defbibopt#1[#2]#3{%
  \ifcsundef{KV@blx@opt@ldt@#1}
    {\ifcsundef{KV@blx@opt@pre@#1}
       {\ifblank{#2}
          {\define@key{blx@opt@pre}{#1}{#3}}
          {\define@key{blx@opt@pre}{#1}[#2]{#3}}}
       {\blx@err@optdef{#1}}}
    {\blx@err@optdef{#1}}}

% {<key>}[<value>]{<code>}

\newrobustcmd*{\DeclareTypeOption}[1]{%
  \@ifnextchar[%]
    {\blx@deftypeopt{#1}}
    {\blx@deftypeopt{#1}[]}}

\long\def\blx@deftypeopt#1[#2]#3{%
  \ifcsundef{KV@blx@opt@typ@#1}
    {\ifblank{#2}
       {\define@key{blx@opt@typ}{#1}{#3}}
       {\define@key{blx@opt@typ}{#1}[#2]{#3}}}
    {\blx@err@optdef{#1}}}

% {<key>}[<value>]{<code>}

\newrobustcmd*{\DeclareEntryOption}[1]{%
  \@ifnextchar[%]
    {\blx@defentryopt{#1}}
    {\blx@defentryopt{#1}[]}}

\long\def\blx@defentryopt#1[#2]#3{%
  \ifcsundef{KV@blx@opt@ent@#1}
    {\ifblank{#2}
       {\define@key{blx@opt@ent}{#1}{#3}}
       {\define@key{blx@opt@ent}{#1}[#2]{#3}}}
    {\blx@err@optdef{#1}}}

%% Auxiliary commands

\newrobustcmd*{\citereset}{%
  \csuse{blx@hook@cbxinit}%
  \@ifstar
    {}
    {\global\cslet{blx@bsee@\the\c@refsection}\@empty
     \global\cslet{blx@fsee@\the\c@refsection}\@empty
     \blx@ibidreset@force
     \blx@idemreset@force
     \blx@opcitreset@force
     \blx@loccitreset@force}}

\def\blx@save#1{%
  \ifcsdef{blx@saved@#1}
    {}
    {\blx@safe@actives
     \csletcs{blx@saved@#1}{#1}%
     \blx@rest@actives}}

\def\blx@restore#1{%
  \ifcsdef{blx@saved@#1}
    {\blx@safe@actives
     \csletcs{#1}{blx@saved@#1}%
     \csundef{blx@saved@#1}%
     \blx@rest@actives}
    {}}

\newrobustcmd*{\savecommand}[1]{%
  \ifcsdef{blx@saved@cmd@\detokenize{#1}}
    {}
    {\cslet{blx@saved@cmd@\detokenize{#1}}{#1}}}

\newrobustcmd*{\restorecommand}[1]{%
  \ifcsdef{blx@saved@cmd@\detokenize{#1}}
    {\letcs{#1}{blx@saved@cmd@\detokenize{#1}}%
     \csundef{blx@saved@cmd@\detokenize{#1}}}
    {}}

% {<name>}

\newrobustcmd*{\savebibmacro}[1]{%
  \blx@save{abx@macro@\detokenize{#1}}}

\newrobustcmd*{\restorebibmacro}[1]{%
  \blx@restore{abx@macro@\detokenize{#1}}}

% {<name>}[<args>][<optarg>]{<definition>}

\newrobustcmd*{\newbibmacro}{%
  \@star@or@long\blx@newbibmacro}

\def\blx@newbibmacro#1{%
  \ifcsundef{abx@macro@\detokenize{#1}}
    {\blx@defbibmacro\new@command{#1}}
    {\blx@warning{%
       Macro '\detokenize{#1}' already defined.\MessageBreak
       Using \string\renewbibmacro}
     \blx@defbibmacro\renew@command{#1}}}

\newrobustcmd*{\renewbibmacro}{%
  \@star@or@long\blx@renewbibmacro}

\def\blx@renewbibmacro#1{%
  \ifcsundef{abx@macro@\detokenize{#1}}
    {\blx@warning{%
       Macro '\detokenize{#1}' undefined.\MessageBreak
       Using \string\newbibmacro}
     \blx@defbibmacro\new@command{#1}}
    {\blx@defbibmacro\renew@command{#1}}}

\newrobustcmd*{\providebibmacro}{%
  \@star@or@long{\blx@defbibmacro\provide@command}}

\def\blx@defbibmacro#1#2{%
  \expandafter#1\csname abx@macro@\detokenize{#2}\endcsname}

% {<name>}

\newrobustcmd*{\usebibmacro}[1]{%
  \ifcsundef{abx@macro@\detokenize{#1}}
    {\blx@error
       {Bibliography macro '\detokenize{#1}' undefined}
       {Use '\string\newbibmacro' to define this macro}}
    {\csuse{abx@macro@\detokenize{#1}}}}

% {<field>}

\def\blx@imc@thefield#1{\csuse{abx@field@#1}}

\def\blx@imc@strfield#1{%
  \ifcsdef{abx@field@#1}
    {\detokenize\expandafter\expandafter\expandafter
       {\csname abx@field@#1\endcsname}}
    {}}

% {<plainlist>}

\def\blx@imc@thelist#1{\csuse{abx@list@#1}}

% {<namelist>}

\def\blx@imc@thename#1{\csuse{abx@name@#1}}

% {<field>}

\protected\def\blx@imc@clearfield#1{%
  \csundef{abx@field@#1}}

% {<plainlist>}

\protected\def\blx@imc@clearlist#1{%
  \ifcsundef{abx@list@#1}
    {}
    {\togglefalse{abx@bool@more#1}%
     \csundef{abx@list@#1}%
     \csname c@#1\endcsname\z@}}

% {<namelist>}

\protected\def\blx@imc@clearname#1{%
  \ifcsundef{abx@name@#1}
    {}
    {\togglefalse{abx@bool@more#1}%
     \csundef{abx@name@#1}%
     \csname c@#1\endcsname\z@}}

% {<field>}{<macro>}

\protected\def\blx@imc@restorefield#1{\cslet{abx@field@#1}}

% {<plainlist>}{<macro>}

\protected\def\blx@imc@restorelist#1{\cslet{abx@list@#1}}

% {<namelist>}{<macro>}

\protected\def\blx@imc@restorename#1{\cslet{abx@name@#1}}

% {<field>}{<macro>}

\protected\def\blx@imc@savefield{%
  \@ifstar{\blx@savedata{field}}{\global\blx@savedata{field}}}
\def\blx@savedata#1#2#3{\letcs#3{abx@#1@#2}}

% {<plainlist>}{<macro>}

\protected\def\blx@imc@savelist{%
  \@ifstar{\blx@savedata{list}}{\global\blx@savedata{list}}}

% {<namelist>}{<macro>}

\protected\def\blx@imc@savename{%
  \@ifstar{\blx@savedata{name}}{\global\blx@savedata{name}}}

% {<field>}{<csname>}

\protected\def\blx@imc@savefieldcs{%
  \@ifstar{\blx@savedatacs{field}}{\global\blx@savedatacs{field}}}
\def\blx@savedatacs#1#2#3{\csletcs{#3}{abx@#1@#2}}

% {<plainlist>}{<csname>}

\protected\def\blx@imc@savelistcs{%
  \@ifstar{\blx@savedatacs{list}}{\global\blx@savedatacs{list}}}

% {<namelist>}{<csname>}

\protected\def\blx@imc@savenamecs{%
  \@ifstar{\blx@savedatacs{name}}{\global\blx@savedatacs{name}}}

% {<field>}{<true>}{<false>}

\def\blx@imc@iffieldundef#1{%
  \ifcsundef{abx@field@#1}}

% {<plainlist>}{<true>}{<false>}

\def\blx@imc@iflistundef#1{%
  \ifcsundef{abx@list@#1}}

% {<namelist>}{<true>}{<false>}

\def\blx@imc@ifnameundef#1{%
  \ifcsundef{abx@name@#1}}

% {<field1>}{<field2>}{<true>}{<false>}

\def\blx@imc@iffieldsequal#1#2{%
  \ifcsequal{abx@field@#1}{abx@field@#2}}

% {<plainlist1>}{<plainlist2>}{<true>}{<false>}

\def\blx@imc@iflistsequal#1#2{%
  \ifcsequal{abx@list@#1}{abx@list@#2}}

% {<namelist1>}{<namelist2>}{<true>}{<false>}

\def\blx@imc@ifnamesequal#1#2{%
  \ifcsequal{abx@name@#1}{abx@name@#2}}

% {<field>}{<macro>}{<true>}{<false>}

\def\blx@imc@iffieldequals#1#2{%
  \blx@imc@iffieldundef{#1}
    {\@secondoftwo}
    {\ifundef#2%
       {\@secondoftwo}
       {\expandafter\ifx\csname abx@field@#1\endcsname#2%
          \expandafter\@firstoftwo
        \else
          \expandafter\@secondoftwo
        \fi}}}

% {<plainlist>}{<macro>}{<true>}{<false>}

\def\blx@imc@iflistequals#1#2{%
  \blx@imc@iflistundef{#1}
    {\@secondoftwo}
    {\ifundef#2%
       {\@secondoftwo}
       {\expandafter\ifx\csname abx@list@#1\endcsname#2%
          \expandafter\@firstoftwo
        \else
          \expandafter\@secondoftwo
        \fi}}}

% {<namelist>}{<macro>}{<true>}{<false>}

\def\blx@imc@ifnameequals#1#2{%
  \blx@imc@ifnameundef{#1}
    {\@secondoftwo}
    {\ifundef#2%
       {\@secondoftwo}
       {\expandafter\ifx\csname abx@name@#1\endcsname#2%
          \expandafter\@firstoftwo
        \else
          \expandafter\@secondoftwo
        \fi}}}

% {<field>}{<csname>}{<true>}{<false>}

\def\blx@imc@iffieldequalcs#1{%
  \ifcsequal{abx@field@#1}}

% {<plainlist>}{<csname>}{<true>}{<false>}

\def\blx@imc@iflistequalcs#1{%
  \ifcsequal{abx@list@#1}}

% {<namelist>}{<csname>}{<true>}{<false>}

\def\blx@imc@ifnameequalcs#1{%
  \ifcsequal{abx@name@#1}}

% {<field>}{<string>}{<true>}{<false>}

\protected\long\def\blx@imc@iffieldequalstr#1#2{%
  \blx@imc@iffieldundef{#1}
    {\@secondoftwo}
    {\expandafter\expandafter\expandafter\ifstrequal
     \expandafter\expandafter\expandafter{%
       \csname abx@field@#1\endcsname}{#2}}}

% {<field>}{<true>}{<false>}

\protected\def\blx@imc@iffieldxref#1{%
  \blx@imc@iffieldundef{#1}
    {\@secondoftwo}
    {\blx@whichxref
       {\blx@iffieldxref{#1}}
       {\@secondoftwo}}}

\def\blx@iffieldxref#1#2{%
  \begingroup
  \letcs\blx@tempa{abx@field@#2}%
  \letcs\blx@tempb{abx@field@#1}%
  \csundef{abx@field@#1}%
  \blx@getdata{\blx@tempa}%
  \blx@imc@iffieldequals{#1}\blx@tempb
    {\aftergroup\@firstoftwo}
    {\aftergroup\@secondoftwo}%
  \endgroup}

\def\blx@whichxref#1#2{%
  \blx@imc@iffieldundef{crossref}
    {\blx@imc@iffieldundef{xref}
       {#2}
       {#1{xref}}}
    {#1{crossref}}}

% {<plainlist>}{<true>}{<false>}

\protected\def\blx@imc@iflistxref#1{%
  \blx@imc@iflistundef{#1}
    {\@secondoftwo}
    {\blx@whichxref
       {\blx@iflistxref{#1}}
       {\@secondoftwo}}}

\def\blx@iflistxref#1#2{%
  \begingroup
  \letcs\blx@tempa{abx@field@#2}%
  \letcs\blx@tempb{abx@list@#1}%
  \csundef{abx@list@#1}%
  \blx@getdata{\blx@tempa}%
  \blx@imc@iflistequals{#1}\blx@tempb
    {\aftergroup\@firstoftwo}
    {\aftergroup\@secondoftwo}%
  \endgroup}

% {<namelist>}{<true>}{<false>}

\protected\def\blx@imc@ifnamexref#1{%
  \blx@imc@ifnameundef{#1}
    {\@secondoftwo}
    {\blx@whichxref
       {\blx@ifnamexref{#1}}
       {\@secondoftwo}}}

\def\blx@ifnamexref#1#2{%
  \begingroup
  \letcs\blx@tempa{abx@field@#2}%
  \letcs\blx@tempb{abx@name@#1}%
  \csundef{abx@name@#1}%
  \blx@getdata{\blx@tempa}%
  \blx@imc@ifnameequals{#1}\blx@tempb
    {\aftergroup\@firstoftwo}
    {\aftergroup\@secondoftwo}%
  \endgroup}

% {<string>}{<true>}{<false>}

\protected\def\blx@imc@ifcurrentfield#1{%
  \begingroup
  \def\blx@tempa{#1}%
  \ifx\currentfield\blx@tempa
    \aftergroup\@firstoftwo
  \else
    \aftergroup\@secondoftwo
  \fi
  \endgroup}

% {<string>}{<true>}{<false>}

\protected\def\blx@imc@ifcurrentlist#1{%
  \begingroup
  \def\blx@tempa{#1}%
  \ifx\currentlist\blx@tempa
    \aftergroup\@firstoftwo
  \else
    \aftergroup\@secondoftwo
  \fi
  \endgroup}

% {<string>}{<true>}{<false>}

\protected\def\blx@imc@ifcurrentname#1{%
  \begingroup
  \def\blx@tempa{#1}%
  \ifx\currentname\blx@tempa
    \aftergroup\@firstoftwo
  \else
    \aftergroup\@secondoftwo
  \fi
  \endgroup}

% {<string>}{<true>}{<false>}

\protected\def\blx@imc@ifentrytype#1{%
  \begingroup
  \def\blx@tempa{#1}%
  \ifx\abx@field@entrytype\blx@tempa
    \aftergroup\@firstoftwo
  \else
    \aftergroup\@secondoftwo
  \fi
  \endgroup}

% {<true>}{<false>}

\def\blx@imc@ifmorenames{%
  \ifundef\currentname
    {\@secondoftwo}
    {\iftoggle{abx@bool@more\currentname}
       {\@firstoftwo}
       {\ifnum\c@listtotal>\c@liststop
          \expandafter\@firstoftwo
        \else
          \expandafter\@secondoftwo
        \fi}}}

% {<true>}{<false>}

\def\blx@imc@ifmoreitems{%
  \ifundef\currentlist
    {\@secondoftwo}
    {\iftoggle{abx@bool@more\currentlist}
       {\@firstoftwo}
       {\ifnum\c@listtotal>\c@liststop
          \expandafter\@firstoftwo
        \else
          \expandafter\@secondoftwo
        \fi}}}

% {<true>}{<false>}

\protected\def\blx@ifciteseen@global{%
  \ifdef\abx@field@entrykey
    {\expandafter\blx@ifseen@global
     \expandafter{\abx@field@entrykey}}
    {\@secondoftwo}}

\protected\def\blx@ifciteseen@context{%
  \ifdef\abx@field@entrykey
    {\expandafter\blx@ifseen@context
     \expandafter{\abx@field@entrykey}}
    {\@secondoftwo}}

% {<entrykey>}{<true>}{<false>}

\protected\def\blx@ifentryseen@global{%
  \blx@xsanitizeafter\blx@ifseen@global}

\protected\def\blx@ifentryseen@context{%
  \blx@xsanitizeafter\blx@ifseen@context}

\def\blx@ifseen@global#1{%
  \ifinlistcs{#1}{blx@bsee@\the\c@refsection}}

\def\blx@ifseen@context#1{%
  \iftoggle{blx@footnote}
    {\ifinlistcs{#1}{blx@fsee@\the\c@refsection}}
    {\ifinlistcs{#1}{blx@bsee@\the\c@refsection}}}

% {<true>}{<false>}

\def\blx@ifciteibid@global{%
  \blx@imc@iffieldequals{entrykey}\blx@lastkey@text}

\def\blx@ifciteibid@context{%
  \iftoggle{blx@footnote}
    {\blx@imc@iffieldequals{entrykey}\blx@lastkey@foot}
    {\blx@imc@iffieldequals{entrykey}\blx@lastkey@text}}

\def\blx@ifciteibid@strict{%
  \blx@ifcitesingle
    {\blx@ifciteibid@global}
    {\@secondoftwo}}%

\def\blx@ifciteibid@constrict{%
  \blx@ifcitesingle
    {\iftoggle{blx@footnote}
       {\blx@ifmpfncheck
          {\blx@imc@iffieldequals{entrykey}\blx@lastkey@foot}
          {\@secondoftwo}}
       {\blx@imc@iffieldequals{entrykey}\blx@lastkey@text}}
    {\@secondoftwo}}%

% {<true>}{<false>}

\def\blx@ifciteidem@global{%
  \blx@imc@iffieldequals{fullhash}\blx@lasthash@text}

\def\blx@ifciteidem@context{%
  \iftoggle{blx@footnote}
    {\blx@imc@iffieldequals{fullhash}\blx@lasthash@foot}
    {\blx@imc@iffieldequals{fullhash}\blx@lasthash@text}}

\def\blx@ifciteidem@strict{%
  \blx@ifcitesingle
    {\blx@ifciteidem@global}
    {\@secondoftwo}}%

\def\blx@ifciteidem@constrict{%
  \blx@ifcitesingle
    {\iftoggle{blx@footnote}
       {\blx@ifmpfncheck
          {\blx@imc@iffieldequals{fullhash}\blx@lasthash@foot}
          {\@secondoftwo}}
       {\blx@imc@iffieldequals{fullhash}\blx@lasthash@text}}
    {\@secondoftwo}}%

% {<true>}{<false>}

\def\blx@ifopcit@global{%
  \blx@imc@iffieldundef{namehash}
    {\@secondoftwo}
    {\blx@imc@iffieldequalcs{entrykey}{blx@lastkey@text@\abx@field@namehash}}}

\def\blx@ifopcit@context{%
  \blx@imc@iffieldundef{namehash}
    {\@secondoftwo}
    {\iftoggle{blx@footnote}
       {\blx@imc@iffieldequalcs{entrykey}{blx@lastkey@foot@\abx@field@namehash}}
       {\blx@imc@iffieldequalcs{entrykey}{blx@lastkey@text@\abx@field@namehash}}}}

\def\blx@ifopcit@strict{%
  \blx@ifcitesingle
    {\blx@ifopcit@global}
    {\@secondoftwo}}%

\def\blx@ifopcit@constrict{%
  \blx@ifcitesingle
    {\blx@imc@iffieldundef{namehash}
       {\@secondoftwo}
       {\iftoggle{blx@footnote}
	  {\blx@ifmpfncheck
             {\blx@imc@iffieldequalcs{entrykey}{blx@lastkey@foot@\abx@field@namehash}}
             {\@secondoftwo}}
	  {\blx@imc@iffieldequalcs{entrykey}{blx@lastkey@text@\abx@field@namehash}}}}
    {\@secondoftwo}}%

% {<true>}{<false>}

\def\blx@ifloccit@global{%
  \blx@loccit@check{text}}

\def\blx@ifloccit@context{%
  \iftoggle{blx@footnote}
    {\blx@loccit@check{foot}}
    {\blx@loccit@check{text}}}

\def\blx@ifloccit@strict{%
  \blx@ifcitesingle
    {\blx@loccit@numcheck{text}}
    {\@secondoftwo}}%

\def\blx@ifloccit@constrict{%
  \blx@ifcitesingle
    {\iftoggle{blx@footnote}
       {\blx@ifmpfncheck
          {\blx@loccit@numcheck{foot}}
          {\@secondoftwo}}
       {\blx@loccit@numcheck{text}}}
    {\@secondoftwo}}

\def\blx@loccit@check#1{%
  \blx@imc@iffieldundef{postnote}
    {\@secondoftwo}
    {\blx@imc@iffieldequalcs{postnote}{blx@lastnote@#1@\abx@field@entrykey}}}

\def\blx@loccit@numcheck#1{%
  \blx@imc@iffieldundef{postnote}
    {\@secondoftwo}
    {\expandafter\blx@imc@ifpages
     \expandafter{\abx@field@postnote}
       {\blx@imc@iffieldequalcs{postnote}{blx@lastnote@#1@\abx@field@entrykey}}
       {\@secondoftwo}}}

% {<true>}{<false>}

\def\blx@ifmpfncheck{%
  \ifnum\numexpr\value\@mpfn-\blx@lastmpfn<\tw@
    \expandafter\@firstoftwo
  \else
    \expandafter\@secondoftwo
  \fi}

\def\blx@mpfnsave{%
  \xdef\blx@lastmpfn{\the\value\@mpfn}}

\def\blx@mpfnreset{%
  \global\let\blx@lastmpfn\z@}

\blx@mpfnreset

% {<true>}{<false>}

\def\blx@imc@iffirstonpage{%
  \iftoggle{blx@footnote}
    {\blx@iffirstonpage{fnpage}}
    {\blx@iffirstonpage{page}}}

\def\blx@iffirstonpage#1{%
  \ifcsundef{blx@#1@\number\c@instcount}
    {\@secondoftwo}
    {\expandafter\blx@iffirstonpage@i
     \expandafter{\number\numexpr\c@instcount-1}{#1}}}

\def\blx@iffirstonpage@i#1#2{%
  \ifcsundef{blx@#2@#1}
    {\ifnum#1>\@ne
       \expandafter\@firstoftwo
     \else
       \expandafter\@secondoftwo
     \fi
     {\expandafter\blx@iffirstonpage@i
      \expandafter{\number\numexpr#1-1}{#2}}
     {\@firstoftwo}}
    {\ifnum\csuse{blx@#2@\number\c@instcount}=%
           \csuse{blx@#2@#1} %
       \expandafter\@secondoftwo
     \else
       \expandafter\@firstoftwo
     \fi}}

% {<count1>}{<count2>}{<true>}{<false>}

\def\blx@imc@ifsamepage#1#2{%
  \ifcsundef{blx@page@\number\numexpr#1}
    {\ifcsundef{blx@fnpage@\number\numexpr#1}
       {\@secondoftwo}
       {\blx@ifsamepage{#1}{#2}{fnpage}}}
    {\blx@ifsamepage{#1}{#2}{page}}}

\def\blx@ifsamepage#1#2#3{%
  \ifcsundef{blx@page@\number\numexpr#2}
    {\ifcsundef{blx@fnpage@\number\numexpr#2}
       {\@secondoftwo}
       {\blx@ifsamepage@i{#1}{#2}{#3}{fnpage}}}
    {\blx@ifsamepage@i{#1}{#2}{#3}{page}}}

\def\blx@ifsamepage@i#1#2#3#4{%
  \ifnum\csuse{blx@#3@\number\numexpr#1}=%
        \csuse{blx@#4@\number\numexpr#2} %
    \expandafter\@firstoftwo
  \else
    \expandafter\@secondoftwo
  \fi}

% {<string>}{<true>}{<false>}

\protected\long\def\blx@imc@ifinteger#1{%
  \begingroup
  \def\do##1{\uccode`##1=`\%}%
  \do\0\do\1\do\2\do\3\do\4\do\5\do\6\do\7\do\8\do\9%
  \makeatletter
  \catcode`\%=9
  \endlinechar\m@ne
  \uppercase{\scantokens{\def\blx@tempa{#1}}}%
  \ifx\blx@tempa\@empty
    \aftergroup\@firstoftwo
  \else
    \aftergroup\@secondoftwo
  \fi
  \endgroup}

% {<field>}{<true>}{<false>}

\protected\def\blx@imc@iffieldint#1{%
  \blx@imc@iffieldundef{#1}
    {\@secondoftwo}
    {\expandafter\expandafter
     \expandafter\ifinteger
     \expandafter\expandafter
     \expandafter{\csname abx@field@#1\endcsname}}}

% {<string>}{<true>}{<false>}

\protected\def\blx@imc@ifnumeral{%
  \blx@ifnum\blx@hook@ifnum}

\protected\def\blx@imc@ifnumerals{%
  \blx@ifnum\blx@hook@ifnums}

\protected\def\blx@imc@ifpages{%
  \blx@ifnum\blx@hook@ifpages}

\long\def\blx@ifnum#1#2{%
  \begingroup
  \let\protect\@unexpandable@protect
  \uppercase{\edef\blx@tempa{#2}}%
  \ifx\blx@tempa\@empty
    \aftergroup\@secondoftwo
  \else
    \makeatletter
    \catcode`\%=9
    \endlinechar\m@ne
    \everyeof{\noexpand}#1%
    \uppercase{\edef\blx@tempa{\scantokens{#2}}}%
    \ifx\blx@tempa\@empty
      \aftergroup\@firstoftwo
    \else
      \aftergroup\@secondoftwo
    \fi
  \fi
  \endgroup}

\def\blx@hook@ifnum{%
  \def\do##1{\uccode`##1=`\%}%
  \do\ \do\0\do\1\do\2\do\3\do\4\do\5\do\6\do\7\do\8\do\9%
  \do\i\do\v\do\x\do\l\do\c\do\d\do\m
  \do\I\do\V\do\X\do\L\do\C\do\D\do\M
  \blx@donumchars
  \let\RN\@firstofone
  \let\Rn\@firstofone}

\def\blx@hook@ifnums{%
  \blx@hook@ifnum
  \def\do##1{\uccode`##1=`\%}%
  \blx@dorangechars
  \def\do##1{\let##1\@empty}%
  \blx@dorangecmds}

\def\blx@hook@ifpages{%
  \blx@hook@ifnum
  \blx@hook@ifnums
  \def\do##1{\let##1\@empty}%
  \blx@dopagecmds}

% {<field>}{<true>}{<false>}

\protected\def\blx@imc@iffieldnum#1{%
  \blx@imc@iffieldundef{#1}
    {\@secondoftwo}
    {\expandafter\expandafter
     \expandafter\blx@imc@ifnumeral
     \expandafter\expandafter
     \expandafter{\csname abx@field@#1\endcsname}}}

\protected\def\blx@imc@iffieldnums#1{%
  \blx@imc@iffieldundef{#1}
    {\@secondoftwo}
    {\expandafter\expandafter
     \expandafter\blx@imc@ifnumerals
     \expandafter\expandafter
     \expandafter{\csname abx@field@#1\endcsname}}}

\protected\def\blx@imc@iffieldpages#1{%
  \blx@imc@iffieldundef{#1}
    {\@secondoftwo}
    {\expandafter\expandafter
     \expandafter\blx@imc@ifpages
     \expandafter\expandafter
     \expandafter{\csname abx@field@#1\endcsname}}}

% {<chars>}

\newrobustcmd*{\DeclareNumChars}{%
  \@ifstar
    {\blx@defnumchars}
    {\global\let\blx@donumchars\@empty
     \blx@defnumchars}}

\def\blx@defnumchars#1{%
  \ifblank{#1}
    {}
    {\expandafter\blx@defdochars
     \expandafter\blx@donumchars
     \detokenize{#1}\relax}}

% {<chars>}

\newrobustcmd*{\DeclareRangeChars}{%
  \@ifstar
    {\blx@defrangechars}
    {\global\let\blx@dorangechars\@empty
     \blx@defrangechars}}

\def\blx@defrangechars#1{%
  \ifblank{#1}
    {}
    {\expandafter\blx@defdochars
     \expandafter\blx@dorangechars
     \detokenize{#1}\relax}}

\def\blx@defdochars#1#2{%
  \ifx#2\relax
  \else
    \xdef#1{%
      \expandonce#1\noexpand\do
      \expandafter\noexpand\csname#2\endcsname}%
    \expandafter\blx@defdochars
    \expandafter#1%
  \fi}

% {<cstokens>}

\newrobustcmd*{\DeclareRangeCommands}{%
  \@ifstar
    {\blx@defrangecmds}
    {\global\let\blx@dorangecmds\@empty
     \blx@defrangecmds}}

\def\blx@defrangecmds#1{%
  \ifblank{#1}
    {}
    {\blx@defrangecmds@i#1&}}

\def\blx@defrangecmds@i#1{%
  \ifx&#1%
  \else
    \gappto\blx@dorangecmds{\do#1}%
    \expandafter\blx@defrangecmds@i
  \fi}

% {<cstokens>}

\newrobustcmd*{\DeclarePageCommands}{%
  \@ifstar
    {\blx@defpagecmds}
    {\global\let\blx@dopagecmds\@empty
     \blx@defpagecmds}}

\def\blx@defpagecmds#1{%
  \ifblank{#1}
    {}
    {\blx@defpagecmds@i#1&}}

\def\blx@defpagecmds@i#1{%
  \ifx&#1%
  \else
    \gappto\blx@dopagecmds{\do#1}%
    \expandafter\blx@defpagecmds@i
  \fi}

\DeclareNumChars{.}
\DeclareRangeChars{~,;-+/}
\DeclareRangeCommands{%
  \ \,\space\nobreakspace\addspace\addnbspace
  \addthinspace\addnbthinspace\addlowpenspace
  \addhighpenspace\addlpthinspace\addhpthinspace
  \adddotspace\addabbrvspace\&\psq\psqq
  \bibrangedash\bibdatedash\textendash\textemdash}
\DeclarePageCommands{\pno\ppno}

% *{<code>}

\newrobustcmd*{\NumCheckSetup}{\appto\blx@hook@ifnum}
\newcommand*{\NumcheckSetup}{\NumCheckSetup}

% [<pagination>]{<string>}

\newrobustcmd*{\blx@imc@mkpageprefix}[1][pagination]{%
  \iffieldequalstr{#1}{none}
    {\@firstofone}
    {\begingroup
     \def\blx@tempa{page}%
     \iffieldundef{#1}
       {}
       {\iffieldbibstring{#1}
          {\edef\blx@tempa{\thefield{#1}}}
          {\blx@warning@entry{%
             Unknown pagination type '\thefield{#1}'}}}%
     \expandafter\endgroup
     \expandafter\blx@mkpageprefix
     \expandafter{\blx@tempa}}}

\long\def\blx@mkpageprefix#1#2{%
  \ifnumeral{#2}
    {\bibstring{#1}\ppspace#2}
    {\ifnumerals{#2}
       {\bibstring{#1s}\ppspace#2}
       {\begingroup
        \def\pno{\bibstring{#1}}%
        \def\ppno{\bibstring{#1s}}%
        #2\endgroup}}}

% [<pagination>]{<string>}

\newrobustcmd*{\blx@imc@mkpagetotal}[1][bookpagination]{%
  \begingroup
  \def\blx@tempa{page}%
  \iffieldundef{#1}
    {}
    {\iffieldequalstr{#1}{none}
       {}
       {\iffieldbibstring{#1}
          {\edef\blx@tempa{\thefield{#1}}}
          {\blx@warning@entry{%
             Unknown pagination type '\thefield{#1}'}}}}%
  \expandafter\endgroup
  \expandafter\blx@mkpagetotal
  \expandafter{\blx@tempa}}

\long\def\blx@mkpagetotal#1#2{%
  \begingroup
  \ifnumeral{#2}
    {\setbox\@tempboxa=\hbox{%
       \blx@tempcnta0#2\relax
       \ifnum\blx@tempcnta=\@ne
         \aftergroup\@firstoftwo
       \else
         \aftergroup\@secondoftwo
       \fi}%
     {#2\ppspace\bibstring{#1}}
     {#2\ppspace\bibstring{#1s}}}
    {\def\pno{\bibstring{#1}}%
     \def\ppno{\bibstring{#1s}}%
     #2}%
  \endgroup}

% [<pagination>]{<string>}

\protected\def\blx@imc@mkpagefirst{%
  \@ifstar\blx@pagefirst@i\blx@pagefirst@ii}

\long\def\blx@pagefirst@i#1{%
  \blx@pagefirst@iii#1\bibrangedash&}

\newcommand{\blx@pagefirst@ii}[2][pagination]{%
  \begingroup
  \edef\blx@tempa{\endgroup
    \noexpand\mkpageprefix[#1]{%
      \blx@pagefirst@iii#2\bibrangedash&}}%
  \blx@tempa}

\long\def\blx@pagefirst@iii#1\bibrangedash#2&{%
  \blx@pagefirst@iv#1\textendash&}
\long\def\blx@pagefirst@iv#1\textendash#2&{%
  \blx@pagefirst@v#1\textemdash&}
\long\def\blx@pagefirst@v#1\textemdash#2&{%
  \blx@pagefirst@vi#1-&}
\long\def\blx@pagefirst@vi#1-#2&{#1}

\newcommand*{\ppspace}{\addnbspace}
\newcommand*{\sqspace}{\addnbspace}

\newrobustcmd*{\RN}[1]{%
  \begingroup
  \expandafter\RNfont
  \expandafter{\romannumeral#1}%
  \endgroup}
\newrobustcmd*{\Rn}[1]{%
  \begingroup
  \expandafter\Rnfont
  \expandafter{\romannumeral#1}%
  \endgroup}

\newcommand*{\RNfont}{\uppercase}
\newcommand*{\Rnfont}{}

% {<init>}{<entrytype>}

\protected\def\blx@imc@usedriver#1#2{%
  \begingroup
  \let\finentry\blx@finentry@usedrv
  \let\newblock\relax
  \let\abx@macro@bibindex\@empty
  \let\abx@macro@pageref\@empty
  \csuse{blx@hook@bbxinit}#1%
  \blx@beglang
  \blx@driver{#2}%
  \blx@endlang
  \endgroup}

% Punctuation

\protected\def\blx@initunit{%
  \global\togglefalse{blx@block}%
  \global\togglefalse{blx@unit}%
  \global\togglefalse{blx@insert}%
  \global\togglefalse{blx@lastins}%
  \global\let\blx@unitpunct\newunitpunct
  \blx@imc@resetpunctfont}

\def\blx@nounit{%
  \global\togglefalse{blx@lastins}}

\def\blx@unitmark{23sp}

\def\blx@begunit{%
  \toggletrue{blx@tempa}%
  \iftoggle{blx@insert}
    {\iftoggle{blx@unit}
       {\begingroup
          \let\blx@begunit\@empty
          \let\blx@endunit\@empty
          \blx@unitpunct\blx@postpunct
        \endgroup
        \global\togglefalse{blx@unit}%
        \togglefalse{blx@tempa}}
       {\blx@postpunct}%
     \iftoggle{blx@block}
       {\begingroup
          \let\blx@begunit\@empty
          \let\blx@endunit\@empty
          \newblockpunct
        \endgroup
        \global\togglefalse{blx@block}%
        \togglefalse{blx@tempa}}
       {}}
    {}%
  \blx@postpunct
  \blx@imc@resetpunctfont
  \iftoggle{blx@tempa}
    {}
    {\global\togglefalse{blx@insert}}%
  \blx@leavevmode
  \@ifquotemarker
    {}
    {\penalty\@M
     \hskip-\blx@unitmark\relax
     \hskip\blx@unitmark\relax}%
  \begingroup}

\def\blx@endunit{%
  \endgroup
  \ifdim\lastskip=\blx@unitmark
    \unskip\unskip\unpenalty
    \global\togglefalse{blx@lastins}%
  \else
    \global\toggletrue{blx@insert}%
    \global\toggletrue{blx@lastins}%
  \fi}

\protected\def\blx@imc@newblock{%
  \global\toggletrue{blx@block}}%

\protected\def\blx@imc@newunit{%
  \global\let\blx@unitpunct\newunitpunct
  \global\toggletrue{blx@unit}}%

\protected\def\blx@imc@setunit{%
  \@ifstar\blx@setunit@i\blx@setunit}

\long\def\blx@setunit#1{%
  \long\gdef\blx@unitpunct{#1}%
  \global\toggletrue{blx@unit}}%

\def\blx@setunit@i{%
  \iftoggle{blx@lastins}
    {\blx@setunit}
    {\@gobble}}

\protected\def\blx@imc@finentry{%
  \unspace\finentrypunct
  \blx@postpunct
  \blx@initunit}

\protected\def\blx@finentry@usedrv{%
  \unspace
%  \blx@initunit
}

\protected\def\blx@finentry@inset{%
  \blx@setunit\entrysetpunct
  \global\toggletrue{blx@block}}

\blx@regimcs{%
  \thefield \strfield \thelist \thename \clearfield \clearlist
  \clearname \restorefield \restorelist \restorename \ifciteseen
  \ifentryseen \ifciteibid \ifciteidem \ifopcit \ifloccit
  \ifcurrentfield \ifcurrentlist \ifcurrentname \ifentrytype
  \iffieldequalcs \iffieldequals \iffieldequalstr \iffieldsequal
  \iffieldundef \iffieldxref \iflistequalcs \iflistequals
  \iflistsequal \iflistundef \iflistxref \ifmorenames \ifmoreitems
  \ifnameequalcs \ifnameequals \ifnamesequal \ifnameundef \ifnamexref
  \iffirstonpage \ifsamepage \savefield \savefieldcs \savelist
  \savelistcs \savename \savenamecs \usedriver
  \ifinteger \ifnumeral \ifnumerals \ifpages
  \iffieldint \iffieldnum \iffieldnums \iffieldpages
  \mkpageprefix \mkpagetotal \mkpagefirst
  \newblock \newunit \setunit \finentry}

\appto\blx@blxinit{%
  \def\ifnatbibmode{\iftoggle{blx@natbib}}%
  \def\ifcitation{\iftoggle{blx@citation}}%
  \def\ifbibliography{\iftoggle{blx@bibliography}}%
  \def\ifciteindex{\iftoggle{blx@citeindex}}%
  \def\ifbibindex{\iftoggle{blx@bibindex}}%
  \def\iffootnote{\iftoggle{blx@footnote}}%
  \def\ifuseprefix{\iftoggle{blx@useprefix}}%
  \def\ifuseauthor{\iftoggle{blx@useauthor}}%
  \def\ifuseeditor{\iftoggle{blx@useeditor}}%
  \def\ifusetranslator{\iftoggle{blx@usetranslator}}%
  \def\iffirstinits{\iftoggle{blx@firstinits}}%
  \def\ifsingletitle{\iftoggle{abx@bool@singletitle}}%
  \def\ifandothers#1{\iftoggle{abx@bool@more#1}}%
  \protected\def\pno{\bibstring{page}}%
  \protected\def\ppno{\bibstring{pages}}%
  \let\nopp\relax
  \protected\def\psq{\sqspace\bibstring{sequens}}%
  \protected\def\psqq{\sqspace\bibstring{sequentes}}}

%% Global formatting hooks

% capitalization

% {<text>}

\newrobustcmd{\MakeCapital}[1]{%
  \begingroup
  \blx@mkcp@init
  \protected@edef\blx@tempa{#1}%
  \expandafter\blx@mkcp@parse\blx@tempa\@empty\blx@mkcp@end}

\def\blx@mkcp@init{%
  \def\blx@mkcp@iec{\noexpand\blx@mkcp@iec\noexpand}%
  \def\blx@mkcp@bbl{\noexpand\blx@mkcp@bbl\noexpand}%
  \def\blx@mkcp@sgl{\noexpand\blx@mkcp@sgl\noexpand}%
  \def\blx@mkcp@dbl{\noexpand\blx@mkcp@dbl\noexpand}%
  \def\do##1{\def##1{\blx@mkcp@sgl##1}}\abx@dosingleaccents
  \def\do##1{\def##1{\blx@mkcp@dbl##1}}\abx@dodoubleaccents
  \def\IeC##1{\blx@mkcp@iec\IeC{##1}}%
  \def\@tabacckludge##1{%
    \expandafter\blx@mkcp@sgl\csname\string##1\endcsname}}

\begingroup
\catcode`\"=\active
\gappto\blx@mkcp@init{%
  \ifnum\catcode`\"=\active
    \def"#1{\blx@mkcp@bbl"\noexpand#1}%
  \fi}
\endgroup

\def\blx@mkcp@parse{%
  \futurelet\@let@token\blx@mkcp@eval}

\long\def\blx@mkcp@eval{%
  \ifx\@let@token\blx@mkcp@iec
    \expandafter\blx@mkcp@getiec
  \fi
  \ifx\@let@token\blx@mkcp@bbl
    \expandafter\blx@mkcp@gettwo
  \fi
  \ifx\@let@token\blx@mkcp@sgl
    \expandafter\blx@mkcp@gettwo
  \fi
  \ifx\@let@token\blx@mkcp@dbl
    \expandafter\blx@mkcp@getthree
  \fi
  \blx@mkcp@case}

\def\blx@mkcp@getiec#1\blx@mkcp@case#2#3#4{%
  \blx@mkcp@case{#2#3{#4}}}

\def\blx@mkcp@gettwo#1\blx@mkcp@case#2#3#4{%
  \blx@mkcp@case{#2#3#4}}

\def\blx@mkcp@getthree#1\blx@mkcp@case#2#3#4#5{%
  \blx@mkcp@case{#2#3#4#5}}

\long\def\blx@mkcp@case#1{%
  \begingroup
  \def\i{I}\def\j{J}%
  \def\do##1##2{\let##1##2\do}%
  \expandafter\do\@uclclist\relax{\relax\@gobble}%
  \uppercase{\protected@edef\blx@tempa{\endgroup\blx@mkcp@end#1}}%
  \blx@tempa}

\protected\long\def\blx@mkcp@end#1\blx@mkcp@end{%
  \let\blx@mkcp@iec\noexpand
  \let\blx@mkcp@bbl\noexpand
  \let\blx@mkcp@sgl\noexpand
  \let\blx@mkcp@dbl\noexpand
  \protected@edef\blx@tempa{\endgroup#1}%
  \blx@tempa}

\def\abx@dosingleaccents{%
  \do\"\do\'\do\`\do\^\do\~\do\=\do\.%
  \do\H\do\b\do\c\do\d\do\r\do\u\do\v}
\def\abx@dodoubleaccents{%
  \do\t}

% {<text>}

\newrobustcmd*{\MakeSentenceCase}{%
  \@ifstar\blx@mksc@i\blx@mksc@ii}

\def\blx@mksc@i{%
  \ifdef\abx@field@hyphenation
    {\xifinlist\abx@field@hyphenation\blx@cmksc@lang
       {\blx@mksc@ii}
       {\@firstofone}}
    {\blx@mksc@ii}}

\long\def\blx@mksc@ii#1{%
  \begingroup
  \let\blx@tempa\@empty
  \let\blx@tempb\@empty
  \blx@mksc@init
  \protected@edef\@tempa{#1}%
  \expandafter\blx@mksc@parse\@tempa\blx@mksc@end}

\def\blx@mksc@init{%
  \blx@mkcp@init
  \def\blx@mkcp@nil{\noexpand\blx@mkcp@nil\noexpand}%
  \def\i{\blx@mkcp@nil\i}\def\j{\blx@mkcp@nil\j}%
  \def\do##1{%
    \ifx##1\relax
    \else
      \def##1{\blx@mkcp@nil##1}%
      \expandafter\do
    \fi}%
  \expandafter\do\@uclclist\relax}

\def\blx@mksc@parse{%
  \futurelet\@let@token\blx@mksc@eval}

\def\blx@mksc@eval{%
  \ifx\@let@token\blx@mksc@end
    \expandafter\blx@mksc@end
  \fi
  \ifx\@let@token\bgroup
    \expandafter\blx@mksc@group
  \fi
  \ifx\@let@token\@sptoken
    \expandafter\blx@mksc@space
  \fi
  \ifx\@let@token\blx@mkcp@nil
    \expandafter\blx@mksc@getone
  \fi
  \ifx\@let@token\blx@mkcp@iec
    \expandafter\blx@mksc@getiec
  \fi
  \ifx\@let@token\blx@mkcp@bbl
    \expandafter\blx@mksc@gettwo
  \fi
  \ifx\@let@token\blx@mkcp@sgl
    \expandafter\blx@mksc@gettwo
  \fi
  \ifx\@let@token\blx@mkcp@dbl
    \expandafter\blx@mksc@getthree
  \fi
  \if\noexpand\@let@token\relax
    \expandafter\blx@mksc@cs
  \fi
  \blx@mksc@other}

\def\blx@mksc@end#1\blx@mksc@end{%
  \blx@mksc@eject
  \let\blx@mkcp@nil\noexpand
  \let\blx@mkcp@iec\noexpand
  \let\blx@mkcp@bbl\noexpand
  \let\blx@mkcp@sgl\noexpand
  \let\blx@mkcp@dbl\noexpand
  \let\MakeUppercase\relax
  \let\MakeLowercase\relax
  \protected@edef\blx@tempa{\endgroup\blx@tempa}%
  \blx@tempa}

\long\def\blx@mksc@group#1\blx@mksc@other#2{%
  \futurelet\@let@token\blx@mksc@ingroup#2&{#2}%
  \blx@mksc@endhead
  \blx@mksc@parse}

\long\def\blx@mksc@ingroup#1&#2{%
  \if\noexpand\@let@token\relax
    \blx@mksc@locase{{#2}}%
  \else
    \blx@mksc@nocase{{#2}}%
  \fi}

\def\blx@mksc@space{\def\blx@mksc@space##1\blx@mksc@other}
\csuse{blx@mksc@space} {%
  \blx@mksc@anycase{ }%
  \blx@mksc@endhead
  \blx@mksc@parse}

\long\def\blx@mksc@cs#1\blx@mksc@other#2{%
  \ifcat\noexpand~\noexpand#2%
    \blx@mksc@locase{#2}%
  \else
    \blx@mksc@nocase{#2}%
  \fi
  \blx@mksc@endhead
  \blx@mksc@parse}

\def\blx@mksc@getiec#1\blx@mksc@other#2#3#4{%
  \blx@mksc@other{#2#3{#4}}}

\def\blx@mksc@getone#1\blx@mksc@other#2#3{%
  \blx@mksc@other{#2#3}}

\def\blx@mksc@gettwo#1\blx@mksc@other#2#3#4{%
  \blx@mksc@other{#2#3#4}}

\def\blx@mksc@getthree#1\blx@mksc@other#2#3#4#5{%
  \blx@mksc@other{#2#3#4#5}}

\long\def\blx@mksc@other#1{%
  \blx@mksc@locase{#1}%
  \blx@mksc@endhead
  \blx@mksc@parse}

\def\blx@mksc@locase{%
  \appto\blx@tempb}

\def\blx@mksc@nocase{%
  \blx@mksc@eject
  \appto\blx@tempa}

\def\blx@mksc@anycase{%
  \ifx\blx@tempb\@empty
    \expandafter\appto
    \expandafter\blx@tempa
  \else
    \expandafter\appto
    \expandafter\blx@tempb
  \fi}

\def\blx@mksc@eject{%
  \ifx\blx@tempb\@empty
  \else
    \eappto\blx@tempa{\noexpand\MakeLowercase{\expandonce\blx@tempb}}%
    \let\blx@tempb\@empty
  \fi}

\def\blx@mksc@endhead{%
  \ifx\blx@tempb\@empty
  \else
    \eappto\blx@tempa{\noexpand\MakeCapital{\expandonce\blx@tempb}}%
    \let\blx@tempb\@empty
  \fi
  \let\blx@mksc@endhead\relax}

% {<language,language,...>}

\newrobustcmd*{\DeclareCaseLangs}{%
  \@ifstar
    {\blx@defcaselangs}
    {\global\let\blx@cmksc@lang\@empty
     \blx@defcaselangs}}

\def\blx@defcaselangs#1{%
  \ifblank{#1}
    {}
    {\forcsvlist{\listgadd\blx@cmksc@lang}{#1}}}

\DeclareCaseLangs{%
  american,british,canadian,
  english,USenglish,UKenglish,
  australian,newzealand}

%% Main formatting commands

% {<name>}{<definition>}

\def\blx@defformat#1{%
  \blx@safe@actives
  \afterassignment\blx@rest@actives
  \long\csdef{#1}}

% {<name>}{<name>}

\def\blx@letformat#1#2{%
  \blx@safe@actives
  \afterassignment\blx@rest@actives
  \csletcs{#1}{#2}}

% [aliastype]{aliasname}[formattype]{formatname}

\def\blx@defalias#1{%
  \@ifnextchar[%]
    {\blx@defalias@i{#1}}
    {\blx@defalias@i{#1}[*]}}
\def\blx@defalias@i#1[#2]#3{%
  \@ifnextchar[%]
    {\blx@defalias@ii{#1}{#2}{#3}}
    {\blx@defalias@ii{#1}{#2}{#3}[*]}}
\def\blx@defalias@ii#1#2#3[#4]#5{%
  \blx@safe@actives
  \afterassignment\blx@rest@actives
  \csedef{abx@#1@#2@#3}{%
    \expandonce{\csname abx@#1@#4@#5\endcsname}}}

% {<macro>}{<id>}{<name>}{<field>}

\def\blx@getformat#1#2#3#4{%
  \blx@safe@actives
  \afterassignment\blx@rest@actives
  \ifcsundef{abx@#2@\blx@imc@thefield{entrytype}@#3}
    {\ifcsundef{abx@#2@*@#3}
       {\ifcsundef{abx@#2@\blx@imc@thefield{entrytype}@#4}
          {\ifcsundef{abx@#2@*@#4}
             {\letcs#1{abx@#2@*@default}}
             {\letcs#1{abx@#2@*@#4}}}
          {\letcs#1{abx@#2@\blx@imc@thefield{entrytype}@#4}}}
       {\letcs#1{abx@#2@*@#3}}}
    {\letcs#1{abx@#2@\blx@imc@thefield{entrytype}@#3}}}

% [<entrytype>]{<name>}

\newrobustcmd*{\savefieldformat}[2][*]{\blx@save{abx@ffd@#1@#2}}
\newrobustcmd*{\savelistformat}[2][*]{\blx@save{abx@lfd@#1@#2}}
\newrobustcmd*{\savenameformat}[2][*]{\blx@save{abx@nfd@#1@#2}}

\newrobustcmd*{\restorefieldformat}[2][*]{\blx@restore{abx@ffd@#1@#2}}
\newrobustcmd*{\restorelistformat}[2][*]{\blx@restore{abx@lfd@#1@#2}}
\newrobustcmd*{\restorenameformat}[2][*]{\blx@restore{abx@nfd@#1@#2}}

% [<entrytype>]{<name>}{<definiton>}

\newrobustcmd*{\DeclareNameFormat}[2][*]{%
  \blx@defformat{abx@nfd@#1@#2}##1##2##3##4##5##6##7##8}
\newrobustcmd*{\DeclareIndexNameFormat}[2][*]{%
  \blx@defformat{abx@nid@#1@#2}##1##2##3##4##5##6##7##8}

\newrobustcmd*{\DeclareListFormat}[2][*]{%
  \blx@defformat{abx@lfd@#1@#2}##1}
\newrobustcmd*{\DeclareIndexListFormat}[2][*]{%
  \blx@defformat{abx@lid@#1@#2}##1}

\newrobustcmd*{\DeclareFieldFormat}[2][*]{%
  \blx@defformat{abx@ffd@#1@#2}##1}
\newrobustcmd*{\DeclareIndexFieldFormat}[2][*]{%
  \blx@defformat{abx@fid@#1@#2}##1}

% [<entrytype>]{<alias>}[<entrytype>]{<name>}

\newrobustcmd*{\DeclareNameAlias}{\blx@defalias{nfd}}
\newrobustcmd*{\DeclareIndexNameAlias}{\blx@defalias{nid}}

\newrobustcmd*{\DeclareListAlias}{\blx@defalias{lfd}}
\newrobustcmd*{\DeclareIndexListAlias}{\blx@defalias{lid}}

\newrobustcmd*{\DeclareFieldAlias}{\blx@defalias{ffd}}
\newrobustcmd*{\DeclareIndexFieldAlias}{\blx@defalias{fid}}

% [<format>]{<text>}

\newrobustcmd{\blx@imc@printtext}[2][]{%
  \ifblank{#2}
    {\blx@nounit}
    {\ifblank{#1}
       {\let\blx@theformat\@firstofone}
       {\blx@getformat\blx@theformat{ffd}{#1}{}}%
     \ifdefvoid\blx@theformat
       {\blx@nounit}
       {\blx@begunit
        \blx@theformat{#2}%
        \blx@endunit}}}

% [<format>]{<field>}

\newrobustcmd*{\blx@imc@printfield}[2][]{%
  \blx@imc@iffieldundef{#2}
    {\blx@nounit}
    {\blx@getformat\blx@theformat{ffd}{#1}{#2}%
     \ifdefvoid\blx@theformat
       {\blx@nounit}
       {\blx@begunit
        \def\currentfield{#2}%
        \expandafter\expandafter
        \expandafter\blx@theformat
        \expandafter\expandafter
        \expandafter{\csname abx@field@#2\endcsname}%
        \blx@endunit}}}

% [<format>]{<field>}

\newcommand*{\blx@imc@indexfield}[2][]{%
  \blx@imc@iffieldundef{#2}
    {}
    {\blx@getformat\blx@theformat{fid}{#1}{#2}%
     \ifdefvoid\blx@theformat
       {}
       {\begingroup
        \def\currentfield{#2}%
        \letcs\blx@tempa{abx@field@#2}%
        \expandafter\blx@theformat\expandafter{\blx@tempa}%
        \endgroup}}}

% [<format>]{<file>}

\newrobustcmd*{\blx@imc@printfile}[2][]{%
  \iftoggle{blx@loadfiles}
    {\IfFileExists{#2}
       {\listxadd\blx@list@req@edit{#2}%
        \blx@imc@printtext[#1]{\input{#2}\unspace}}
       {\blx@nounit}}
    {\blx@nounit}}

% {<macro>}[<format>][<start>-<stop>]
% => <macro>{<format>}{<start>}{<stop>}

\def\blx@listargs#1{%
  \@ifnextchar[%]
    {\blx@listargs@i{#1}}
    {#1{}{}{}}}

\def\blx@listargs@i#1[#2]{%
  \@ifnextchar[%]
    {\blx@listargs@ii{#1}{#2}}
    {#1{#2}{}{}}}

\def\blx@listargs@ii#1#2[#3]{%
  \blx@listargs@iii{#1}{#2}#3&}

\def\blx@listargs@iii#1#2#3-#4&{%
  #1{#2}{#3}{#4}}

% [<format>][<start>-<stop>]{<namelist>}

\protected\def\blx@imc@printnames{%
  \blx@listargs\blx@printnames}

% {<format>}{<start>}{<stop>}{<namelist>}

\def\blx@printnames#1#2#3#4{%
  \blx@imc@ifnameundef{#4}
    {\blx@nounit}
    {\blx@getformat\blx@theformat{nfd}{#1}{#4}%
     \ifdefvoid\blx@theformat
       {\blx@nounit}
       {\blx@begunit
        \blx@namesetup{#2}{#3}{#4}%
        \expandafter\blx@nameparser\blx@thedata{}&%
        \blx@endunit}}}

\def\blx@namesetup#1#2#3{%
  \c@listcount\@ne
  \expandafter\c@listtotal\csname c@#3\endcsname
  \ifblank{#1}
    {\c@liststart\@ne}
    {\ifnum#1<\@ne
       \c@liststart\@ne
     \else
       \c@liststart#1\relax
     \fi}%
  \ifblank{#2}
    {\c@liststop\c@listtotal
     \ifnum\c@listtotal>\c@maxnames
       \ifnum\c@listtotal>\c@minnames
         \c@liststop\c@minnames
       \fi
     \fi}
    {\ifnum#2>\c@listtotal
       \c@liststop\c@listtotal
     \else
       \ifnum#2<\@ne
         \c@liststop\@ne
       \else
         \c@liststop#2\relax
       \fi
     \fi}%
  \def\currentname{#3}%
  \letcs\blx@thedata{abx@name@#3}%
  \let~\abx@btxnbspacefix
  \blx@namecodes}

\protected\def\abx@btxnbspacefix{%
  \leavevmode\penalty\value{highnamepenalty}\space}

% [<format>][<start>-<stop>]{<namelist>}

\protected\def\blx@imc@indexnames{%
  \blx@listargs\blx@indexnames}

% {<format>}{<start>}{<stop>}{<namelist>}

\def\blx@indexnames#1#2#3#4{%
  \blx@imc@ifnameundef{#4}
    {}
    {\blx@getformat\blx@theformat{nid}{#1}{#4}%
     \ifdefvoid\blx@theformat
       {}
       {\begingroup
        \blx@namesetup{#2}{#3}{#4}%
        \expandafter\blx@nameparser\blx@thedata{}&%
        \endgroup}}}

% {<name1>}{<name2>}{...}

\long\def\blx@nameparser#1{%
  \ifblank{#1}
    {\blx@namebreak}
    {\ifnum\c@listcount<\c@liststart
     \else
       \blx@theformat#1%
     \fi
     \advance\c@listcount\@ne
     \ifnum\c@listcount>\c@liststop
       \expandafter\blx@namebreak
     \fi
     \blx@nameparser}}

\long\def\blx@namebreak#1&{}

% [<format>][<start>-<stop>]{<plainlist>}

\protected\def\blx@imc@printlist{%
  \blx@listargs\blx@printlist}

% {<format>}{<start>}{<stop>}{<plainlist>}

\def\blx@printlist#1#2#3#4{%
  \blx@imc@iflistundef{#4}
    {\blx@nounit}
    {\blx@getformat\blx@theformat{lfd}{#1}{#4}%
     \ifdefvoid\blx@theformat
       {\blx@nounit}
       {\blx@begunit
        \blx@listsetup{#2}{#3}{#4}%
        \expandafter\blx@listparser\blx@thedata{}&%
        \blx@endunit}}}

\def\blx@listsetup#1#2#3{%
  \c@listcount\@ne
  \expandafter\c@listtotal\csname c@#3\endcsname
  \ifblank{#1}
    {\c@liststart\@ne}
    {\ifnum#1<\@ne
       \c@liststart\@ne
     \else
       \c@liststart#1\relax
     \fi}%
  \ifblank{#2}
    {\c@liststop\c@listtotal
     \ifnum\c@listtotal>\c@maxitems
       \ifnum\c@listtotal>\c@minitems
         \c@liststop\c@minitems
       \fi
     \fi}
    {\ifnum#2>\c@listtotal
       \c@liststop\c@listtotal
     \else
       \ifnum#2<\@ne
         \c@liststop\@ne
       \else
         \c@liststop#2\relax
       \fi
     \fi}%
  \def\currentlist{#3}%
  \letcs\blx@thedata{abx@list@#3}}

% [<format>][<start>-<stop>]{<plainlist>}

\protected\def\blx@imc@indexlist{%
  \blx@listargs\blx@indexlist}

% {<format>}{<start>}{<stop>}{<plainlist>}

\def\blx@indexlist#1#2#3#4{%
  \blx@imc@iflistundef{#4}
    {}
    {\blx@getformat\blx@theformat{lid}{#1}{#4}%
     \ifdefvoid\blx@theformat
       {}
       {\begingroup
        \blx@listsetup{#2}{#3}{#4}%
        \expandafter\blx@listparser\blx@thedata{}&%
        \endgroup}}}

% {<item1>}{<item2>}{...}

\long\def\blx@listparser#1{%
  \ifblank{#1}
    {\blx@listbreak}
    {\ifnum\c@listcount<\c@liststart
     \else
       \blx@theformat{#1}%
     \fi
     \advance\c@listcount\@ne
     \ifnum\c@listcount>\c@liststop
       \expandafter\blx@listbreak
     \fi
     \blx@listparser}}

\long\def\blx@listbreak#1&{}

% {<key>}{<code>}

\protected\def\blx@imc@entrydata{%
  \blx@xsanitizeafter\blx@imc@entrydata@i}

\long\def\blx@imc@entrydata@i#1#2{%
  \blx@ifdata{#1}
    {\begingroup
     \blx@resetdata
     \blx@getdata{#1}%
     \blx@entrysetcount
     \blx@setoptions@type\abx@field@entrytype
     \blx@setoptions@entry
     \addtocounter{instcount}\@ne
     \blx@execute
     \blx@beglang#2\blx@endlang
     \endgroup}
    {}}

\protected\def\blx@imc@entryset#1#2{%
  \blx@imc@iffieldundef{entrykey}
    {}
    {\begingroup
     \long\def\blx@set@precode{#1}%
     \long\def\blx@set@postcode{#2}%
     \let\finentry\blx@finentry@inset
     \let\do\blx@entryset
     \blx@imc@docsvfield{entryset}%
     \endgroup}}

\def\blx@entryset#1{%
  \blx@ifdata{#1}
    {\begingroup
     \blx@imc@clearlist{pageref}%
     \blx@getdata{#1}%
     \def\abx@field@entrysetcount{1}%
     \blx@set@precode
     \blx@driver{\blx@imc@thefield{entrytype}}%
     \blx@set@postcode
     \endgroup}
    {}%
  \let\do\blx@entryset@i}

\def\blx@entryset@i#1{%
  \blx@imc@entrydata{#1}{%
    \blx@set@precode
    \blx@driver{\blx@imc@thefield{entrytype}}
    \blx@set@postcode}}

\blx@regimcs{%
  \printtext \printfield \printlist \printnames \printfile
  \indexfield \indexlist \indexnames \entrydata \entryset}

%% Localization

% [<wrapper>]{<string>}

\newrobustcmd*{\blx@imc@bibstring}[2][\@firstofone]{%
  \blx@bibstring{#1}{\abx@str}{#2}}

\newrobustcmd*{\blx@imc@biblstring}[2][\@firstofone]{%
  \blx@bibstring{#1}{abx@lstr}{#2}}

\newrobustcmd*{\blx@imc@bibsstring}[2][\@firstofone]{%
  \blx@bibstring{#1}{abx@sstr}{#2}}

\protected\def\blx@bibstring#1#2#3{%
  \blx@begunit
  \blx@hyphenreset
  \let\bibstring\blx@imc@bibxstring
  \let\biblstring\blx@imc@bibxlstring
  \let\bibsstring\blx@imc@bibxsstring
  \lowercase{\edef\blx@tempa{#3}}%
  \ifcsundef{#2@\blx@tempa}
    {\blx@warn@nostring\blx@tempa}
    {\blx@imc@ifcapital
       {#1{\MakeCapital{\csuse{#2@\blx@tempa}}}}
       {#1{\csuse{#2@\blx@tempa}}}}%
  \blx@endunit}

% [<wrapper>]{<string>}

\newrobustcmd*{\blx@imc@bibcpstring}[2][\@firstofone]{%
  \blx@bibcpstring{#1}{\abx@str}{#2}}

\newrobustcmd*{\blx@imc@bibcplstring}[2][\@firstofone]{%
  \blx@bibcpstring{#1}{abx@lstr}{#2}}

\newrobustcmd*{\blx@imc@bibcpsstring}[2][\@firstofone]{%
  \blx@bibcpstring{#1}{abx@sstr}{#2}}

\protected\def\blx@bibcpstring#1#2#3{%
  \blx@begunit
  \blx@hyphenreset
  \let\bibstring\blx@imc@bibxstring
  \let\biblstring\blx@imc@bibxlstring
  \let\bibsstring\blx@imc@bibxsstring
  \lowercase{\edef\blx@tempa{#3}}%
  \ifcsundef{#2@\blx@tempa}
    {\blx@warn@nostring\blx@tempa}
    {#1{\MakeCapital{\csuse{#2@\blx@tempa}}}}%
  \blx@endunit}

% [<wrapper>]{<string>}

\newrobustcmd*{\blx@imc@biblcstring}[2][\@firstofone]{%
  \blx@biblcstring{#1}{\abx@str}{#2}}

\newrobustcmd*{\blx@imc@biblclstring}[2][\@firstofone]{%
  \blx@biblcstring{#1}{abx@lstr}{#2}}

\newrobustcmd*{\blx@imc@biblcsstring}[2][\@firstofone]{%
  \blx@biblcstring{#1}{abx@sstr}{#2}}

\protected\def\blx@biblcstring#1#2#3{%
  \blx@begunit
  \blx@hyphenreset
  \let\bibstring\blx@imc@bibxstring
  \let\biblstring\blx@imc@bibxlstring
  \let\bibsstring\blx@imc@bibxsstring
  \lowercase{\edef\blx@tempa{#3}}%
  \ifcsundef{#2@\blx@tempa}
    {\blx@warn@nostring\blx@tempa}
    {#1{\MakeLowercase{\csuse{#2@\blx@tempa}}}}%
  \blx@endunit}

% [<wrapper>]{<string>}

\newrobustcmd*{\blx@imc@bibucstring}[2][\@firstofone]{%
  \blx@bibucstring{#1}{\abx@str}{#2}}

\newrobustcmd*{\blx@imc@bibuclstring}[2][\@firstofone]{%
  \blx@bibucstring{#1}{abx@lstr}{#2}}

\newrobustcmd*{\blx@imc@bibucsstring}[2][\@firstofone]{%
  \blx@bibucstring{#1}{abx@sstr}{#2}}

\protected\def\blx@bibucstring#1#2#3{%
  \blx@begunit
  \blx@hyphenreset
  \let\bibstring\blx@imc@bibxstring
  \let\biblstring\blx@imc@bibxlstring
  \let\bibsstring\blx@imc@bibxsstring
  \lowercase{\edef\blx@tempa{#3}}%
  \ifcsundef{#2@\blx@tempa}
    {\blx@warn@nostring\blx@tempa}
    {#1{\MakeUppercase{\csuse{#2@\blx@tempa}}}}%
  \blx@endunit}

% {<string>}

\def\blx@imc@bibxstring#1{%
  \blx@bibxstring{\abx@str}{#1}}

\def\blx@imc@bibxlstring#1{%
  \blx@bibxstring{abx@lstr}{#1}}

\def\blx@imc@bibxsstring#1{%
  \blx@bibxstring{abx@sstr}{#1}}

\def\blx@bibxstring#1#2{%
  \ifcsundef{#1@#2}
    {\protect\blx@warn@nostring{#2}}
    {\csuse{#1@#2}}}

% {<string>}{<true>}{<false>}

\def\blx@imc@ifbibstring#1{%
  \ifcsundef{\abx@str @\detokenize{#1}}
    {\@secondoftwo}
    {\@firstoftwo}}

\def\blx@imc@ifbibxstring#1{%
  \ifcsundef{\abx@str @#1}
    {\@secondoftwo}
    {\@firstoftwo}}

% {<field>}{<true>}{<false>}

\def\blx@imc@iffieldbibstring#1{%
  \blx@imc@iffieldundef{#1}
    {\@secondoftwo}
    {\ifcsundef{\abx@str @\detokenize\expandafter
       \expandafter\expandafter{\csname abx@field@#1\endcsname}}
       {\@secondoftwo}
       {\@firstoftwo}}}

\blx@regimcs{%
  \bibstring   \biblstring   \bibsstring 
  \bibxstring  \bibxlstring  \bibxsstring
  \bibcpstring \bibcplstring \bibcpsstring
  \biblcstring \biblclstring \biblcsstring
  \bibucstring \bibuclstring \bibucsstring
  \ifbibstring \ifbibxstring \iffieldbibstring}

\let\blx@hook@uc\relax
\let\blx@hook@lc\relax

\AtEndPreamble{%
  \expandafter\patchcmd\csname MakeUppercase \endcsname
    {\protected@edef}
    {\blx@hook@uc\protected@edef}
    {}
    {\blx@err@patch{\string\MakeUppercase}}%
  \expandafter\patchcmd\csname MakeLowercase \endcsname
    {\protected@edef}
    {\blx@hook@lc\protected@edef}
    {}
    {\blx@err@patch{\string\MakeLowercase}}}

\appto\blx@blxinit{%
  \def\blx@hook@uc{%
    \let\bibstring\blx@imc@bibucstring
    \let\biblstring\blx@imc@bibuclstring
    \let\bibsstring\blx@imc@bibucsstring
    \let\biblcstring\blx@imc@bibucstring
    \let\biblclstring\blx@imc@bibuclstring
    \let\biblcsstring\blx@imc@bibucsstring
    \let\bibcpstring\blx@imc@bibucstring
    \let\bibcplstring\blx@imc@bibuclstring
    \let\bibcpsstring\blx@imc@bibucsstring}%
  \def\blx@hook@lc{%
    \let\bibstring\blx@imc@biblcstring
    \let\biblstring\blx@imc@biblclstring
    \let\bibsstring\blx@imc@biblcsstring
    \let\bibucstring\blx@imc@biblcstring
    \let\bibuclstring\blx@imc@biblclstring
    \let\bibucsstring\blx@imc@biblcsstring
    \let\bibcpstring\blx@imc@biblcstring
    \let\bibcplstring\blx@imc@biblclstring
    \let\bibcpsstring\blx@imc@biblcsstring}}

\def\abx@dostrings{%
  \do{bibliography}%
  \do{references}%
  \do{shorthands}%
  \do{editor}%
  \do{editors}%
  \do{compiler}%
  \do{compilers}%
  \do{redactor}%
  \do{redactors}%
  \do{founder}%
  \do{founders}%
  \do{continuator}%
  \do{continuators}%
  \do{collaborator}%
  \do{collaborators}%
  \do{translator}%
  \do{translators}%
  \do{commentator}%
  \do{commentators}%
  \do{annotator}%
  \do{annotators}%
  \do{commentary}%
  \do{annotations}%
  \do{introduction}%
  \do{foreword}%
  \do{afterword}%
  \do{editortr}%
  \do{editorstr}%
  \do{editorco}%
  \do{editorsco}%
  \do{editoran}%
  \do{editorsan}%
  \do{editorin}%
  \do{editorsin}%
  \do{editorfo}%
  \do{editorsfo}%
  \do{editoraf}%
  \do{editorsaf}%
  \do{editortrco}%
  \do{editorstrco}%
  \do{editortran}%
  \do{editorstran}%
  \do{editortrin}%
  \do{editorstrin}%
  \do{editortrfo}%
  \do{editorstrfo}%
  \do{editortraf}%
  \do{editorstraf}%
  \do{editorcoin}%
  \do{editorscoin}%
  \do{editorcofo}%
  \do{editorscofo}%
  \do{editorcoaf}%
  \do{editorscoaf}%
  \do{editoranin}%
  \do{editorsanin}%
  \do{editoranfo}%
  \do{editorsanfo}%
  \do{editoranaf}%
  \do{editorsanaf}%
  \do{editortrcoin}%
  \do{editorstrcoin}%
  \do{editortrcofo}%
  \do{editorstrcofo}%
  \do{editortrcoaf}%
  \do{editorstrcoaf}%
  \do{editortranin}%
  \do{editorstranin}%
  \do{editortranfo}%
  \do{editorstranfo}%
  \do{editortranaf}%
  \do{editorstranaf}%
  \do{translatorco}%
  \do{translatorsco}%
  \do{translatoran}%
  \do{translatorsan}%
  \do{translatorin}%
  \do{translatorsin}%
  \do{translatorfo}%
  \do{translatorsfo}%
  \do{translatoraf}%
  \do{translatorsaf}%
  \do{translatorcoin}%
  \do{translatorscoin}%
  \do{translatorcofo}%
  \do{translatorscofo}%
  \do{translatorcoaf}%
  \do{translatorscoaf}%
  \do{translatoranin}%
  \do{translatorsanin}%
  \do{translatoranfo}%
  \do{translatorsanfo}%
  \do{translatoranaf}%
  \do{translatorsanaf}%
  \do{byauthor}%
  \do{byeditor}%
  \do{byeditor}%
  \do{bycompiler}%
  \do{byredactor}%
  \do{byfounder}%
  \do{bycontinuator}%
  \do{bycollaborator}%
  \do{bytranslator}%
  \do{bycommentator}%
  \do{byannotator}%
  \do{withcommentator}%
  \do{withannotator}%
  \do{withintroduction}%
  \do{withforeword}%
  \do{withafterword}%
  \do{byeditortr}%
  \do{byeditorco}%
  \do{byeditoran}%
  \do{byeditorin}%
  \do{byeditorfo}%
  \do{byeditoraf}%
  \do{byeditortrco}%
  \do{byeditortran}%
  \do{byeditortrin}%
  \do{byeditortrfo}%
  \do{byeditortraf}%
  \do{byeditorcoin}%
  \do{byeditorcofo}%
  \do{byeditorcoaf}%
  \do{byeditoranin}%
  \do{byeditoranfo}%
  \do{byeditoranaf}%
  \do{byeditortrcoin}%
  \do{byeditortrcofo}%
  \do{byeditortrcoaf}%
  \do{byeditortranin}%
  \do{byeditortranfo}%
  \do{byeditortranaf}%
  \do{bytranslatorco}%
  \do{bytranslatoran}%
  \do{bytranslatorin}%
  \do{bytranslatorfo}%
  \do{bytranslatoraf}%
  \do{bytranslatorcoin}%
  \do{bytranslatorcofo}%
  \do{bytranslatorcoaf}%
  \do{bytranslatoranin}%
  \do{bytranslatoranfo}%
  \do{bytranslatoranaf}%
  \do{and}%
  \do{andothers}%
  \do{andmore}%
  \do{volume}%
  \do{volumes}%
  \do{jourvol}%
  \do{jourser}%
  \do{newseries}%
  \do{oldseries}%
  \do{edition}%
  \do{reprint}%
  \do{reprintof}%
  \do{reprintas}%
  \do{page}%
  \do{pages}%
  \do{column}%
  \do{columns}%
  \do{line}%
  \do{lines}%
  \do{verse}%
  \do{verses}%
  \do{section}%
  \do{sections}%
  \do{paragraph}%
  \do{paragraphs}%
  \do{in}%
  \do{inseries}%
  \do{ofseries}%
  \do{number}%
  \do{chapter}%
  \do{mathesis}%
  \do{phdthesis}%
  \do{resreport}%
  \do{techreport}%
  \do{software}%
  \do{datacd}%
  \do{audiocd}%
  \do{version}%
  \do{doi}%
  \do{url}%
  \do{urlseen}%
  \do{file}%
  \do{inpress}%
  \do{submitted}%
  \do{library}%
  \do{abstract}%
  \do{annotation}%
  \do{citedas}%
  \do{seenote}%
  \do{quotedin}%
  \do{opcit}%
  \do{loccit}%
  \do{ibidem}%
  \do{idem}%
  \do{idemsf}%
  \do{idemsm}%
  \do{idemsn}%
  \do{idempf}%
  \do{idempm}%
  \do{idempn}%
  \do{idempp}%
  \do{confer}%
  \do{sequens}%
  \do{sequentes}%
  \do{passim}%
  \do{see}%
  \do{seealso}%
  \do{backrefpage}%
  \do{backrefpages}%
  \do{thiscite}%
  \do{january}%
  \do{february}%
  \do{march}%
  \do{april}%
  \do{may}%
  \do{june}%
  \do{july}%
  \do{august}%
  \do{september}%
  \do{october}%
  \do{november}%
  \do{december}%
  \do{langamerican}%
  \do{langbrazilian}%
  \do{langdanish}%
  \do{langdutch}%
  \do{langenglish}%
  \do{langfrench}%
  \do{langgerman}%
  \do{langgreek}%
  \do{langitalian}%
  \do{langlatin}%
  \do{langnorwegian}%
  \do{langportuguese}%
  \do{langspanish}%
  \do{langswedish}%
  \do{fromamerican}%
  \do{frombrazilian}%
  \do{fromdanish}%
  \do{fromdutch}%
  \do{fromenglish}%
  \do{fromfrench}%
  \do{fromgerman}%
  \do{fromgreek}%
  \do{fromitalian}%
  \do{fromlatin}%
  \do{fromnorwegian}%
  \do{fromportuguese}%
  \do{fromspanish}%
  \do{fromswedish}%
  \do{countryde}%
  \do{countryep}%
  \do{countryeu}%
  \do{countryfr}%
  \do{countryuk}%
  \do{countryus}%
  \do{patent}%
  \do{patentde}%
  \do{patenteu}%
  \do{patentfr}%
  \do{patentuk}%
  \do{patentus}%
  \do{patreq}%
  \do{patreqde}%
  \do{patreqeu}%
  \do{patreqfr}%
  \do{patrequk}%
  \do{patrequs}%
}

\newrobustcmd*{\NewBibliographyString}[1]{%
  \forcsvlist\blx@newstring{#1}}

\def\blx@newstring#1{%
  \ifcsundef{KV@blx@lbx@#1}
    {\gappto\abx@dostrings{\do{#1}}%
     \csgdef{KV@blx@lbx@#1}##1{\blx@defstring{#1}{##1}}}
    {}}

% in *.cbx/bbx/tex: <key> = {<string>},
% in *.lbx:         <key> = {{<longstring>}{<abbrevstring>}},

\def\do#1{\define@key{blx@lbx}{#1}{\blx@defstring{#1}{##1}}}
\abx@dostrings

% in *.cbx/bbx/tex: (implicit)
% in *.lbx:         inherit = {<language>},

\define@key{blx@lbx}{inherit}{%
  \blx@lbxinput{#1}{}{\blx@err@nolang{#1}}%
  \csuse{abx@strings@#1}}

\def\blx@cfg@defstring#1#2{%
  \csdef{abx@lstr@#1}{#2}%
  \csdef{abx@sstr@#1}{#2}}

\def\blx@lbx@defstring#1#2{%
  \blx@lbx@defstring@i{#1}#2}
\def\blx@lbx@defstring@i#1#2#3{%
  \csdef{abx@lstr@#1}{#2}%
  \csdef{abx@sstr@#1}{#3}}

% {<language>}

\def\blx@lbxcheck#1{%
  \ifcsdef{blx@lng@#1}
    {\expandafter\expandafter\expandafter\IfFileExists
     \expandafter\expandafter\expandafter{%
     \csname blx@lng@#1\endcsname.lbx}
       {}
       {\blx@err@nolang{#1}}}
    {\IfFileExists{#1.lbx}
       {}
       {\blx@err@nolang{#1}}}}

% {<language>}{<definitions>}

\newrobustcmd*{\DefineBibliographyExtras}[2]{%
  \blx@lbxcheck{#1}%
  \csgappto{blx@hook@extras@#1}{%
    \blx@defbibextras{#1}{#2}}}
\@onlypreamble\DefineBibliographyExtras

\newrobustcmd*{\UndefineBibliographyExtras}[2]{%
  \blx@lbxcheck{#1}%
  \csgappto{blx@hook@noextras@#1}{%
    \blx@undefbibextras{#1}{#2}}}
\@onlypreamble\UndefineBibliographyExtras

\def\blx@defbibextras#1{\csgappto{abx@extras@#1}}
\def\blx@undefbibextras#1{\csgappto{abx@noextras@#1}}

% {<language>}{<language>}

\def\blx@letbibextras#1#2{%
  \blx@lbxinput{#2}{}{\blx@err@nolang{#2}}%
  \global\csletcs{abx@extras@#1}{abx@extras@#2}
  \global\csletcs{abx@noextras@#1}{abx@noextras@#2}}%

% {<language>}{<strings>}

\newrobustcmd*{\DefineBibliographyStrings}[2]{%
  \blx@lbxcheck{#1}%
  \csgappto{blx@hook@strings@#1}{%
    \begingroup
    \let\blx@defstring\blx@cfg@defstring
    \blx@defbibstrings{#1}{#2}%
    \endgroup}}
\@onlypreamble\DefineBibliographyStrings

\def\blx@defbibstrings#1#2{%
  \def\do##1{\csundef{abx@lstr@##1}\csundef{abx@sstr@##1}}%
  \abx@dostrings
  \csuse{abx@strings@#1}%
  \setkeys{blx@lbx}{#2}%
  \let\do\blx@defbibstrings@i
  \csxdef{abx@strings@#1}{\abx@dostrings}%
  \csgappto{abx@strings@#1}{%
    \ifcsdef{\abx@str @bibliography}
      {\letcs\bibname{\abx@str @bibliography}}
      {\let\bibname\@empty}%
    \ifcsdef{\abx@str @references}
      {\letcs\refname{\abx@str @references}}
      {\let\refname\@empty}%
    \ifcsdef{\abx@str @shorthands}
      {\letcs\losname{\abx@str @shorthands}}
      {\let\losname\@empty}}}

\def\blx@defbibstrings@i#1{%
  \ifcsdef{abx@lstr@#1}
    {\def\expandafter\noexpand\csname abx@lstr@#1\endcsname{%
       \csexpandonce{abx@lstr@#1}}}
    {\undef\expandafter\noexpand\csname abx@lstr@#1\endcsname}%
  \ifcsdef{abx@sstr@#1}
    {\def\expandafter\noexpand\csname abx@sstr@#1\endcsname{%
       \csexpandonce{abx@sstr@#1}}}
    {\undef\expandafter\noexpand\csname abx@sstr@#1\endcsname}}

% {<language>}{<language>}

\def\blx@letbibstrings#1#2{%
  \blx@lbxinput{#2}{}{\blx@err@nolang{#2}}%
  \global\csletcs{abx@strings@#1}{abx@strings@#2}}%

% {<language>}{<exceptions>}

\newrobustcmd*{\DefineHyphenationExceptions}[2]{%
  \ifcsundef{l@#1}
    {\blx@warn@nohyph{#1}}
    {}%
  \csgappto{blx@hook@hyph@#1}{\blx@hyphexcept{#1}{#2}}}
\@onlypreamble\DefineHyphenationExceptions

\def\blx@hyphexcept#1#2{%
  \ifcsundef{l@#1}
    {\blx@warn@nohyph{#1}}
    {\begingroup
     \language\csname l@#1\endcsname\relax
     \hyphenation{#2}%
     \endgroup}}

% {<language>}{<mapping>}

\newrobustcmd*{\DeclareLanguageMapping}[2]{%
  \csgdef{blx@lng@#1}{#2}}
\@onlypreamble\DeclareLanguageMapping

% {<language>}{<success>}{<failure>}

\def\blx@lbxinput#1{%
  \ifcsdef{blx@lng@#1}
    {\expandafter\expandafter\expandafter\blx@lbxinput@i
     \expandafter\expandafter\expandafter{%
       \csname blx@lng@#1\endcsname}{#1}}
    {\blx@lbxinput@ii{#1}{#1}{language '#1'}}}

% {<mapping>}{<language>}

\def\blx@lbxinput@i#1#2{%
  \global\csundef{blx@lng@#2}%
  \IfFileExists{#1.lbx}
    {\blx@lbxinput@ii{#2}{#1}{language '#2' -> '#1'}}
    {\blx@warning@noline{%
       File '#1.lbx' not found!\MessageBreak
       Ignoring mapping '#2' -> '#1'}%
     \blx@lbxinput{#2}}}

% {<language>}{<lbxfile>}{<message>}

\def\blx@lbxinput@ii#1#2#3{%
  \begingroup
  \setbox\@tempboxa=\hbox\bgroup
    \aftergroup\endgroup
    \blx@inputonce{#2.lbx}{#3}
      {\global\cslet{abx@strings@#1}\@empty
       \global\cslet{abx@extras@#1}\@empty
       \global\cslet{abx@noextras@#1}\@empty
       \blx@maplang{#1}{#1}%
       \def\InheritBibliographyStrings{%
       \blx@letbibstrings{#1}}%
       \def\DeclareBibliographyStrings####1{%
         \begingroup
         \let\blx@defstring\blx@lbx@defstring
         \blx@defbibstrings{#1}{####1}%
         \endgroup}%
       \def\InheritBibliographyExtras{\blx@letbibextras{#1}}%
       \def\DeclareBibliographyExtras{\blx@defbibextras{#1}}%
       \def\UndeclareBibliographyExtras{\blx@undefbibextras{#1}}%
       \def\DeclareHyphenationExceptions{\blx@hyphexcept{#1}}%
       \begingroup
       \blx@saneccodes
       \makeatletter}
      {\endgroup
       \csuse{blx@hook@strings@#1}%
       \csuse{blx@hook@strings@#2}%
       \csuse{blx@hook@extras@#1}%
       \csuse{blx@hook@extras@#2}%
       \csuse{blx@hook@noextras@#1}%
       \csuse{blx@hook@noextras@#2}%
       \csuse{blx@hook@hyph@#1}%
       \csuse{blx@hook@hyph@#2}}
      {\aftergroup\@firstoftwo}
      {\aftergroup\@secondoftwo}%
  \egroup}

% {<language>}

\def\blx@langsetup#1{%
  \blx@lbxinput{#1}
    {\edef\blx@languagename{#1}}
    {\blx@warning
       {Language '#1' not supported.\MessageBreak
        Using fallback language '\blx@languagename'}%
     \blx@lbxinput{\blx@languagename}
       {\blx@maplang{#1}{\blx@languagename}}
       {\blx@err@nolang{\blx@languagename}}}}

% auxiliary macros

% {<field base name>}

\newrobustcmd*{\mkbibrangeshort}{%
  \mkbibrangefull{short}}

\newrobustcmd*{\mkbibrangelong}{%
  \mkbibrangefull{long}}

\newrobustcmd*{\mkbibrangeterse}{%
  \mkbibrangetrunc{short}}

\newrobustcmd*{\mkbibrangecomp}{%
  \mkbibrangetrunc{long}}

\newrobustcmd*{\mkbibrangeshortextra}{%
  \mkbibrangefullextra{short}}

\newrobustcmd*{\mkbibrangelongextra}{%
  \mkbibrangefullextra{long}}

\newrobustcmd*{\mkbibrangeterseextra}{%
  \mkbibrangetruncextra{short}}

\newrobustcmd*{\mkbibrangecompextra}{%
  \mkbibrangetruncextra{long}}

% {<short|long>}{<basename>}

\newrobustcmd*{\mkbibrangefull}[2]{%
  \iffieldundef{#2year}
    {}
    {\printtext{%
       \csuse{mkbibdate#1}{#2year}{#2month}{#2day}%
       \iffieldundef{#2endyear}
	 {}
	 {\iffieldequalstr{#2endyear}{}
            {\mbox{\bibdatedash}}
	    {\bibdatedash
	     \csuse{mkbibdate#1}{#2endyear}{#2endmonth}{#2endday}}}}}}

\newrobustcmd*{\mkbibrangetrunc}[2]{%
  \iffieldundef{#2year}
    {}
    {\printtext{%
       \iffieldsequal{#2year}{#2endyear}
	 {\iffieldsequal{#2month}{#2endmonth}
            {\csuse{mkbibdate#1}{}{}{#2day}}
	    {\csuse{mkbibdate#1}{}{#2month}{#2day}}}
	 {\csuse{mkbibdate#1}{#2year}{#2month}{#2day}}%
       \iffieldundef{#2endyear}
	 {}
	 {\iffieldequalstr{#2endyear}{}
            {\mbox{\bibdatedash}}
	    {\bibdatedash
	     \csuse{mkbibdate#1}{#2endyear}{#2endmonth}{#2endday}}}}}}

\newrobustcmd*{\mkbibrangefullextra}[2]{%
  \iffieldundef{#2year}
    {}
    {\printtext{%
       \csuse{mkbibdate#1}{#2year}{#2month}{#2day}}%
     \iffieldundef{#2endyear}
       {\printfield{extrayear}}
       {\iffieldequalstr{#2endyear}{}
	  {\printfield{extrayear}%
	   \printtext{\mbox{\bibdatedash}}}
	  {\printtext{%
	     \bibdatedash
	     \csuse{mkbibdate#1}{#2endyear}{#2endmonth}{#2endday}%
	     \printfield{extrayear}}}}}}

\newrobustcmd*{\mkbibrangetruncextra}[2]{%
  \iffieldundef{#2year}
    {}
    {\printtext{%
       \iffieldsequal{#2year}{#2endyear}
	 {\iffieldsequal{#2month}{#2endmonth}
            {\csuse{mkbibdate#1}{}{}{#2day}}
	    {\csuse{mkbibdate#1}{}{#2month}{#2day}}}
	 {\csuse{mkbibdate#1}{#2year}{#2month}{#2day}}}%
     \iffieldundef{#2endyear}
       {\printfield{extrayear}}
       {\iffieldequalstr{#2endyear}{}
	  {\printfield{extrayear}%
	   \printtext{\mbox{\bibdatedash}}}
	  {\printtext{%
	     \bibdatedash
	     \csuse{mkbibdate#1}{#2endyear}{#2endmonth}{#2endday}%
	     \printfield{extrayear}}}}}}

\expandafter\newrobustcmd
\expandafter*\csname mkbibrangeiso8601\endcsname[1]{%
  \iffieldundef{#1year}
    {}
    {\printtext{%
       \blx@isodate{#1year}{#1month}{#1day}%
       \iffieldundef{#1endyear}
	 {}
	 {\addslash\blx@isodate{#1endyear}{#1endmonth}{#1endday}}}}}

\expandafter\newrobustcmd
\expandafter*\csname mkbibrangeiso8601extra\endcsname[1]{%
  \iffieldundef{#1year}
    {}
    {\printtext{%
       \blx@isodate[extrayear]{#1year}{#1month}{#1day}%
       \iffieldundef{#1endyear}
	 {}
	 {\addslash\blx@isodate{#1endyear}{#1endmonth}{#1endday}}}}}

\newrobustcmd*{\blx@isodate}[4][]{%
  \thefield{#2}\ifblank{#1}{}{\printfield{#1}}%
  \iffieldundef{#3}{}{\mbox{-}\thefield{#3}}%
  \iffieldundef{#4}{}{\mbox{-}\thefield{#4}}}

\newrobustcmd*{\mkbibdatelong}[3]{}
\newrobustcmd*{\mkbibdateshort}[3]{}
\newrobustcmd*{\bibrangedash}{\textendash}
\newrobustcmd*{\bibdatedash}{\bibrangedash}
\newrobustcmd*{\finalandcomma}{}
\newrobustcmd*{\mkbibordinal}[1]{#1}
\newrobustcmd*{\mkbibmascord}{\mkbibordinal}
\newrobustcmd*{\mkbibfemord}{\mkbibordinal}
\newrobustcmd*{\mkbibmonth}[1]{%
  \ifcase0#1\relax
    0\blx@warning@entry{Month out of range}%
  \or\abx@bibmonth{january}%
  \or\abx@bibmonth{february}%
  \or\abx@bibmonth{march}%
  \or\abx@bibmonth{april}%
  \or\abx@bibmonth{may}%
  \or\abx@bibmonth{june}%
  \or\abx@bibmonth{july}%
  \or\abx@bibmonth{august}%
  \or\abx@bibmonth{september}%
  \or\abx@bibmonth{october}%
  \or\abx@bibmonth{november}%
  \or\abx@bibmonth{december}%
  \else
    #1\blx@warning@entry{Month out of range}%
  \fi}%

\protected\def\blx@imc@printdate{}
\protected\def\blx@imc@printdateextra{}
\protected\def\blx@imc@printurldate{}
\protected\def\blx@imc@printeventdate{}
\protected\def\blx@imc@printorigdate{}

\def\blx@imc@stripzeros#1{\number\numexpr0#1\relax}
\def\blx@imc@mkdatezeros#1{#1}

\blx@regimcs{%
  \printdate \printdateextra \printurldate \printeventdate
  \printorigdate \stripzeros \mkdatezeros}

% {<language>}{<strings>}

\def\blx@maplang#1#2{%
  \csxappto{extras#1}{%
    \noexpand\blx@resetpunct
    \expandafter\noexpand\csname abx@extras@#2\endcsname
    \expandafter\noexpand\csname abx@strings@#2\endcsname}%
  \csxappto{noextras#1}{%
    \noexpand\blx@resetpunct
    \expandafter\noexpand\csname abx@noextras@#2\endcsname}}

%% Babel interface

\def\blx@beglang{\blx@clearlang\begingroup}
\def\blx@endlang{\endgroup}
\let\blx@hook@endlang\@empty
\let\blx@hook@initlang\@empty
\def\blx@hyphenreset{%
  \ifcsundef{l@\blx@languagename}
    {}
    {\language\csname l@\blx@languagename\endcsname\relax}%
  \ifcsundef{\blx@languagename hyphenmins}
    {\blx@sethyphenmins\tw@\thr@@}
    {\expandafter\expandafter\expandafter\blx@sethyphenmins
       \csname\blx@languagename hyphenmins\endcsname}}
\def\blx@sethyphenmins#1#2{%
  \lefthyphenmin#1\relax
  \righthyphenmin#2\relax}

\def\blx@mkbabel{%
  \patchcmd\bbl@set@language
    {\select@language}
    {\blx@langsetup\languagename\select@language}%
    {\ifdef\blx@thelangenv
       {\def\blx@beglang{%
          \blx@clearlang
	  \begingroup
          \blx@imc@iffieldundef{hyphenation}
            {}
            {\blx@hook@initlang
	     \def\blx@endlang{%
               \blx@hook@endlang
               \csname end\blx@thelangenv\endcsname
               \endgroup}%
             \csname\blx@thelangenv\expandafter\endcsname
               \expandafter{\abx@field@hyphenation}}}}
       {}%
     \blx@langsetup\bbl@main@language}
    {\blx@err@patch{'babel' package}%
     \blx@mknobabel}}

\def\blx@mknobabel{%
  \blx@lbxinput{\blx@languagename}
    {}
    {\blx@err@nolang{\blx@languagename}}}

\newrobustcmd*{\DeclareRedundantLanguages}[2]{%
  \begingroup
  \ifblank{#2}
    {\def\do##1{%
       \global\csundef{blx@rlm@##1}%
       \global\csundef{blx@rlm@lang##1}}}
    {\def\do##1{%
       \csxdef{blx@rlm@##1}{#2}%
       \csxdef{blx@rlm@lang##1}{#2}}}%
  \docsvlist{#1}%
  \endgroup}

\def\blx@clearlang{%
  \iftoggle{blx@clearlang}
    {\iflistundef{language}
       {}
       {\ifnumgreater{\value{language}}{1}
	  {}
	  {\expandafter\blx@clearlang@i\abx@list@language}}}
    {}}

\def\blx@clearlang@i#1{%
  \ifcsdef{blx@rlm@#1}
    {\expandafter\expandafter\expandafter\forcsvlist
     \expandafter\expandafter\expandafter\blx@clearlang@ii
     \expandafter\expandafter\expandafter{%
       \csname blx@rlm@#1\endcsname}}
    {}}

\def\blx@clearlang@ii#1{%
  \ifdefstring\languagename{#1}
    {\clearlist{language}}
    {}}

%% Bibtex data interface

\def\abx@donames{%
  \do{labelname}%
  \do{author}%
  \do{shortauthor}%
  \do{editor}%
  \do{editora}%
  \do{editorb}%
  \do{editorc}%
  \do{shorteditor}%
  \do{bookauthor}%
  \do{translator}%
  \do{annotator}%
  \do{commentator}%
  \do{introduction}%
  \do{foreword}%
  \do{afterword}%
  \do{holder}%
  \do{namea}%
  \do{nameb}%
  \do{namec}%
}

\def\abx@dolists{%
  \do{institution}%
  \do{language}%
  \do{location}%
  \do{organization}%
  \do{origlocation}%
  \do{origpublisher}%
  \do{pageref}%
  \do{publisher}%
  \do{lista}%
  \do{listb}%
  \do{listc}%
  \do{listd}%
  \do{liste}%
  \do{listf}%
}

\def\abx@dofields{%
  \do{entrykey}%
  \do{childentrykey}%
  \do{entrytype}%
  \do{entrysubtype}%
  \do{entryset}%
  \do{entrysetcount}%
  \do{crossref}%
  \do{xref}%
  \do{hyphenation}%
  \do{keywords}%
  \do{authortype}%
  \do{editortype}%
  \do{editoratype}%
  \do{editorbtype}%
  \do{editorctype}%
  \do{nameatype}%
  \do{namebtype}%
  \do{namectype}%
  \do{addendum}%
  \do{booktitle}%
  \do{booksubtitle}%
  \do{booktitleaddon}%
  \do{chapter}%
  \do{doi}%
  \do{edition}%
  \do{eid}%
  \do{eprint}%
  \do{eprinttype}%
  \do{eprintclass}%
  \do{file}%
  \do{gender}%
  \do{howpublished}%
  \do{indextitle}%
  \do{indexsorttitle}%
  \do{isan}%
  \do{isbn}%
  \do{ismn}%
  \do{isrn}%
  \do{issn}%
  \do{issue}%
  \do{iswc}%
  \do{issuetitle}%
  \do{issuesubtitle}%
  \do{journaltitle}%
  \do{journalsubtitle}%
  \do{label}%
  \do{labelalpha}%
  \do{extraalpha}%
  \do{labelnumber}%
  \do{labeltitle}%
  \do{labelyear}%
  \do{extrayear}%
  \do{library}%
  \do{localnumber}%
  \do{prefixnumber}%
  \do{mainsubtitle}%
  \do{maintitle}%
  \do{maintitleaddon}%
  \do{nameaddon}%
  \do{namehash}%
  \do{fullhash}%
  \do{note}%
  \do{number}%
  \do{day}%
  \do{month}%
  \do{year}%
  \do{endday}%
  \do{endmonth}%
  \do{endyear}%
  \do{origlanguage}%
  \do{origtitle}%
  \do{origday}%
  \do{origmonth}%
  \do{origyear}%
  \do{origendday}%
  \do{origendmonth}%
  \do{origendyear}%
  \do{reprinttitle}%
  \do{pages}%
  \do{pagetotal}%
  \do{pagination}%
  \do{bookpagination}%
  \do{part}%
  \do{pubstate}%
  \do{series}%
  \do{shorthand}%
  \do{shorthandintro}%
  \do{shortjournal}%
  \do{shortseries}%
  \do{shorttitle}%
  \do{sortinit}%
  \do{subtitle}%
  \do{title}%
  \do{titleaddon}%
  \do{eventtitle}%
  \do{eventday}%
  \do{eventmonth}%
  \do{eventyear}%
  \do{eventendday}%
  \do{eventendmonth}%
  \do{eventendyear}%
  \do{type}%
  \do{url}%
  \do{urlday}%
  \do{urlmonth}%
  \do{urlyear}%
  \do{urlendday}%
  \do{urlendmonth}%
  \do{urlendyear}%
  \do{venue}%
  \do{version}%
  \do{volume}%
  \do{volumes}%
  \do{abstract}%
  \do{annotation}%
  \do{usera}%
  \do{userb}%
  \do{userc}%
  \do{userd}%
  \do{usere}%
  \do{userf}%
  \do{verba}%
  \do{verbb}%
  \do{verbc}%
}

\def\abx@dobooleans{%
  \do{singletitle}%
}

\def\do#1{%
  \newcounter{#1}%
  \csedef{the#1}{\noexpand\the\expandonce{\csname c@#1\endcsname}}%
  \appto\abx@dobooleans{\do{more#1}}}
\abx@donames
\abx@dolists
\def\do#1{\newtoggle{abx@bool@#1}}
\abx@dobooleans

\protected\def\blx@resetdata{%
  \let\blx@savedo\do
  \let\do\blx@imc@clearname
  \abx@donames
  \let\do\blx@imc@clearlist
  \abx@dolists
  \let\do\blx@imc@clearfield
  \abx@dofields\do{execute}\do{options}%
  \def\do##1{\togglefalse{abx@bool@##1}}%
  \abx@dobooleans
  \c@uniquename\z@
  \let\do\blx@savedo}

% {<code>}

\protected\long\def\blx@bbl@preamble#1{%
  \gappto\abx@preamble{#1}#1}

% {<message>}

\protected\def\blx@bbl@warn#1{%
  \begingroup
  \def\item{\MessageBreak-\space}%
  \def\break{\MessageBreak\space\space}%
  \edef\blx@tempa{%
    \ifnum\blx@backend=\blx@backend@biber
      Biber
    \else
      BibTeX
    \fi
    reported the following issues%
    \ifdef\abx@field@entrykey
      {\MessageBreak with '\abx@field@entrykey'}
      {}%
    :#1}%
  \blx@warning@noline{\blx@tempa}%
  \endgroup}

% {<field>}{<code>}

\newrobustcmd{\DeclareFieldInputHandler}[2]{%
  \ifblank{#2}
    {\csundef{blx@fih@#1}}
    {\long\csdef{blx@fih@#1}##1{#2}}}
\@onlypreamble\DeclareFieldInputHandler

% {<list>}{<code>}

\newrobustcmd*{\DeclareListInputHandler}[2]{%
  \ifblank{#2}
    {\csundef{blx@lih@#1}}
    {\csdef{blx@lih@#1}##1{#2}}}
\@onlypreamble\DeclareListInputHandler

% {<name>}{<code>}

\newrobustcmd*{\DeclareNameInputHandler}[2]{%
  \ifblank{#2}
    {\csundef{blx@nih@#1}}
    {\csdef{blx@nih@#1}##1{#2}}}
\@onlypreamble\DeclareNameInputHandler

% {<entrykey>}{<refsection>}{<field>}{<value>}

\long\def\blx@bbl@addentryfield#1#2#3#4{%
  \csxappto{blx@data@#2@#1}{%
    \def\expandafter\noexpand\csname abx@field@#3\endcsname{#4}}}

% {<field>}{<value>}

\long\def\blx@bbl@addfield#1#2{%
  \csxappto\blx@bbl@data{%
    \def\expandafter\noexpand\csname abx@field@#1\endcsname{#2}}}

\protected\long\def\blx@bbl@fielddef#1#2{%
  \def\NewValue{#2}%
  \ifcsdef{blx@fih@#1}
    {\csname blx@fih@#1\endcsname{#2}%
     \ifdefvoid\NewValue}
    {\@secondoftwo}
       {}
       {\blx@bbl@addfield{#1}{\expandonce\NewValue}}}

\protected\long\def\blx@bbl@fieldedef#1#2{%
  \edef\NewValue{#2}%
  \ifcsdef{blx@fih@#1}
    {\csname blx@fih@#1\expandafter
     \endcsname\expandafter{\NewValue}%
     \ifdefvoid\NewValue}
    {\@secondoftwo}
       {}
       {\blx@bbl@addfield{#1}{\NewValue}}}

\protected\long\def\blx@bbl@stringdef#1#2{%
  \begingroup
  \edef\blx@tempa{\endgroup
    \blx@bbl@fielddef{#1}{\detokenize{#2}}}%
  \blx@tempa}

% {<field>}

\protected\def\blx@bbl@verbdef#1{%
  \begingroup
  \let\verb\blx@bbl@verbadd
  \def\blx@tempa{#1}%
  \let\NewValue\@empty}

\protected\def\blx@bbl@verbend{%
  \ifcsdef{blx@fih@\blx@tempa}
    {\csname blx@fih@\blx@tempa\expandafter
     \endcsname\expandafter{\NewValue}%
     \ifdefvoid\NewValue}
    {\@secondoftwo}
       {}
       {\blx@bbl@addfield{\blx@tempa}{\NewValue}}%
  \endgroup}

\protected\def\blx@bbl@verbadd{%
  \begingroup
  \let\do\@makeother
  \dospecials
  \catcode\endlinechar=12\relax
  \blx@bbl@verbadd@i}

\begingroup
\catcode`\<=12
\catcode`\>=12
\uccode`\<=`\ %
\uccode`\>=\endlinechar
\uppercase{\gdef\blx@bbl@verbadd@i<#1>}{%
  \endgroup
  \edef\NewValue{\NewValue\detokenize{#1}}}
\endgroup

% {<counter>}{<value>}

\protected\long\def\blx@bbl@countdef#1#2{%
  \csxappto\blx@bbl@data{%
    \csname c@#1\endcsname#2\relax}}

% {<boolean>}

\protected\def\blx@bbl@booltrue#1{%
  \csgappto\blx@bbl@data{%
    \toggletrue{abx@bool@#1}}}

\protected\def\blx@bbl@boolfalse#1{%
  \csgappto\blx@bbl@data{%
    \togglefalse{abx@bool@#1}}}

% {<list}{<itemcount>}{<value>}

\protected\def\blx@bbl@listdef#1#2#3{%
  \def\NewCount{#2}%
  \def\NewValue{#3}%
  \ifcsdef{blx@lih@#1}
    {\csname blx@lih@#1\endcsname{#3}%
     \ifdefvoid\NewValue}
    {\@secondoftwo}
       {}
       {\csxappto\blx@bbl@data{%
	  \csname c@#1\endcsname\NewCount\relax
	  \def\expandafter\noexpand\csname abx@list@#1\endcsname
	  {\expandonce\NewValue}}}}


% {<name>}{<itemcount>}{<value>}

\protected\def\blx@bbl@namedef#1#2#3{%
  \def\NewCount{#2}%
  \def\NewValue{#3}%
  \ifcsdef{blx@nih@#1}
    {\csname blx@nih@#1\endcsname{#3}%
     \ifdefvoid\NewValue}
    {\@secondoftwo}
       {}
       {\csxappto\blx@bbl@data{%
	  \csname c@#1\endcsname\NewCount\relax
	  \def\expandafter\noexpand\csname abx@name@#1\endcsname
	  {\expandonce\NewValue}}}}

% {<entrykey>,...}

\protected\def\blx@bbl@set#1{%
  \blx@bbl@fieldedef{entryset}{\detokenize{#1}}%
  \csxdef{blx@setp@\the\c@refsection @\abx@field@entrykey}{\detokenize{#1}}%
  \begingroup
  \blx@tempcnta\z@
  \expandafter\forcsvlist
  \expandafter\blx@bbl@set@i
  \expandafter{\detokenize{#1}}%
  \endgroup}

\def\blx@bbl@set@i#1{%
  \advance\blx@tempcnta\@ne
  \csxdef{blx@seti@\the\c@refsection @#1}{\the\blx@tempcnta}}

% {<entrykey>}

\protected\def\blx@bbl@inset#1{%
  \toggletrue{blx@setonly}%
  \blx@bbl@fieldedef{entryset}{\detokenize{#1}}%
  \csxdef{blx@setc@\the\c@refsection @\abx@field@entrykey}{\detokenize{#1}}}

% {<entrykey>}

\protected\def\blx@bbl@xref#1{%
  \ifcsdef{blx@refp@\the\c@refsection @\detokenize{#1}}
    {}
    {\listcsxadd{blx@refs@\the\c@refsection}{\detokenize{#1}}}%
  \listcsxadd{blx@refp@\the\c@refsection @\detokenize{#1}}{\abx@field@entrykey}%
  \csxdef{blx@refc@\the\c@refsection @\abx@field@entrykey}{\detokenize{#1}}}

\def\blx@addxref#1{%
  \blx@ifdata{#1}
    {\begingroup
     \def\do##1{%
       \csgappto{blx@data@\the\c@refsection @##1}{%
         \def\abx@field@xref{#1}}}%
     \dolistcsloop{blx@refp@\the\c@refsection @#1}%
     \endgroup}
    {}%
  \global\csundef{blx@refp@\the\c@refsection @#1}}

% {<keyword>,...}

\protected\def\blx@bbl@keyw#1{%
  \iftoggle{blx@skipbib}
    {}
    {\forcsvlist{\blx@addkeyword{\abx@field@entrykey}}{#1}%
     \blx@bbl@fielddef{keywords}{#1}}}

\def\blx@addkeyword#1#2{%
  \listcsxadd{blx@keyw@\the\c@refsection @\detokenize{#2}}{#1}}

% {<options>}

\protected\long\def\blx@bbl@options#1{%
  \begingroup
  \let\blx@tempa\@empty
  \forcsvlist\blx@bbl@options@i{#1}%
  \edef\blx@tempa{%
    \endgroup
    \ifx\blx@tempa\@empty
    \else
      \def\noexpand\abx@field@options{\expandonce\blx@tempa}%
    \fi}%
  \blx@tempa}

\long\def\blx@bbl@options@i#1{\blx@bbl@options@ii#1==&}

\long\def\blx@bbl@options@ii#1=#2=#3&{%
  \ifcsundef{KV@blx@opt@ent@#1}
    {\blx@warning@noline{%
       Ignoring undefined option '#1'\MessageBreak
       at entry '\abx@field@entrykey'}}
    {\eappto\blx@tempa{%
       \ifx\blx@tempa\@empty\else,\fi
       \unexpanded{#1}\ifblank{#2}{}{=\unexpanded{#2}}}}}

% \blx@data@<section>@<entrykey>        data hook
%                                       key -> data
% \blx@sort@<section>                   all entries, sorted
%                                       section -> keys [internal list]
% \blx@sbib@<section>                   all entries in bibliography, sorted
%                                       section -> keys [internal list]
% \blx@bsee@<section>                   seen citations, document body
%                                       section -> keys [internal list]
% \blx@fsee@<section>                   seen citations, footnotes
%                                       section -> keys [internal list]
% \blx@type@<section>@<entrytype>       type hash
%                                       type -> keys [internal list]
% \blx@subt@<section>@<entrytype>       subtype hash
%                                       subtype -> keys [internal list]
% \blx@segm@<section>@<segment>         segment hash
%                                       segment -> keys [internal list]
% \blx@keyw@<section>@<keyword>         keyword hash
%                                       keyword -> keys [internal list]
% \blx@losh@<section>                   shorthand hash
%                                       section -> keys [internal list]
% \blx@catg@<category>                  category hash, global
%                                       category -> keys [internal list]
% \blx@setp@<section>@<entrykey>        parent -> child mapping (entry sets)
%                                       key -> key,key,... [csv list]
% \blx@setc@<section>@<entrykey>        child -> parent mapping (entry sets)
%                                       key -> key
% \blx@seti@<section>@<entrykey>        child -> index mapping (entry sets)
%                                       key -> index
% \blx@pref@<section>@<entrykey>        pageref hook, temporary
%                                       key -> pages [internal list]
% \blx@refs@<section>                   xref hash, temporary
%                                       section -> parents [internal list]
% \blx@refp@<section>@<entrykey>        parent -> child mapping (xrefs), temporary
%                                       key -> keys [internal list]
% \blx@refc@<section>@<entrykey>        child -> parent mapping (xrefs)
%                                       key -> key [internal list]

\def\blx@ifdata#1{%
  \ifcsdef{blx@data@\the\c@refsection @#1}}

\def\blx@getdata#1{%
  \csuse{blx@data@\the\c@refsection @#1}}

\def\blx@getdata@cite#1{%
  \ifcsdef{blx@setc@\the\c@refsection @#1}
    {\expandafter\expandafter\expandafter\blx@getdata
     \expandafter\expandafter\expandafter{%
       \csname blx@setc@\the\c@refsection @#1\endcsname}%
     \blx@ifdata{#1}
       {\def\abx@field@childentrykey{#1}%
        \begingroup
	\blx@getdata{#1}%
	\edef\blx@tempa{\endgroup
	  \def\noexpand\abx@field@childentrytype{\abx@field@entrytype}}%
	\blx@tempa}
       {}}
    {\blx@getdata{#1}}%
  \ifcsdef{blx@seti@\the\c@refsection @#1}
    {\letcs\abx@field@entrysetcount{blx@seti@\the\c@refsection @#1}}
    {}}

\def\blx@execute{%
  \blx@imc@thefield{execute}}

\def\blx@setoptions@entry{%
  \blx@imc@iffieldundef{options}
    {}
    {\begingroup
     \edef\blx@tempa{\endgroup
       \noexpand\setkeys{blx@opt@ent}{\abx@field@options}}%
     \blx@tempa}}

\def\blx@setoptions@type#1{%
  \ifcsdef{blx@opts@type@#1}
    {\begingroup
     \edef\blx@tempa{\endgroup
       \noexpand\setkeys{blx@opt@typ}{\csuse{blx@opts@type@#1}}}%
     \blx@tempa}
    {}}

\def\blx@entrysetcount{%
  \ifdef\abx@field@entrykey
    {\ifcsdef{blx@seti@\the\c@refsection @\abx@field@entrykey}
       {\letcs\abx@field@entrysetcount{%
          blx@seti@\the\c@refsection @\abx@field@entrykey}}
       {}}
    {}}

% {<section>}

\def\blx@bbl@refsection#1{%
  \begingroup
  \c@refsection#1\relax}

\def\blx@bbl@endrefsection{%
  \endgroup
  \csnumgdef{blx@labelnumber@\the\c@refsection}{0}%
  \iftoggle{blx@reencode}{\blx@reencode}{}}

% {<entrykey>}{<entrytype>}{<options>}

\protected\def\blx@bbl@entry#1#2#3{%
  \begingroup
  \edef\abx@field@entrykey{\detokenize{#1}}%
  \blx@setoptions@type{#2}%
  \blx@bbl@options{#3}%
  \blx@setoptions@entry
  \edef\blx@bbl@data{blx@data@\the\c@refsection @\abx@field@entrykey}%
  \csuse\blx@bbl@data
  \cslet\blx@bbl@data\@empty
  \blx@bbl@addfield{entrykey}{\abx@field@entrykey}%
  \blx@bbl@addfield{entrytype}{#2}%
  \blx@imc@iffieldundef{options}
    {}
    {\blx@bbl@fieldedef{options}{\expandonce\abx@field@options}}}

\protected\def\blx@bbl@endentry{%
  \csuse\blx@bbl@data
  \ifcsundef{blx@pref@\the\c@refsection @\abx@field@entrykey}
    {}
    {\blx@addpageref{\abx@field@entrykey}}%
  \iftoggle{blx@setonly}
    {\global\toggletrue{blx@addset}%
     \toggletrue{blx@skipbib}%
     \toggletrue{blx@skiplos}%
     \toggletrue{blx@skiplab}}
    {\listcsxadd{blx@sort@\the\c@refsection}{\abx@field@entrykey}}%
  \iftoggle{blx@skipbib}
    {}
    {\listcsxadd{blx@sbib@\the\c@refsection}{\abx@field@entrykey}%
     \listcsxadd{blx@type@\the\c@refsection @\abx@field@entrytype}{\abx@field@entrykey}%
     \ifdef\abx@field@entrysubtype
       {\listcsxadd{blx@subt@\the\c@refsection @\abx@field@entrysubtype}{\abx@field@entrykey}}
       {}}%
  \iftoggle{blx@skiplos}
    {}
    {\blx@bbl@shorthand}%
  \iftoggle{blx@skiplab}
    {}
    {\iftoggle{blx@labelnumber}
       {\blx@bbl@labelnumber}
       {}%
     \iftoggle{blx@labelalpha}
       {\blx@bbl@labelalpha}
       {}%
     \iftoggle{blx@labelyear}
       {\blx@bbl@labelyear}
       {}}%
  \blx@bbl@labelname
  \blx@bbl@titles
  \blx@bbl@hooks
  \endgroup}

\def\blx@addset{%
  \begingroup
  \letcs\blx@tempa{blx@sort@\the\c@refsection}%
  \global\cslet{blx@sort@\the\c@refsection}\@empty
  \forlistloop\blx@addset@i\blx@tempa
  \endgroup}

\def\blx@addset@i#1{%
  \listcsgadd{blx@sort@\the\c@refsection}{#1}%
  \ifcsdef{blx@setp@\the\c@refsection @#1}
    {\expandafter\expandafter\expandafter\forcsvlist
     \expandafter\expandafter\expandafter\blx@addset@ii
     \expandafter\expandafter\expandafter{%
       \csname blx@setp@\the\c@refsection @#1\endcsname}}
    {}}

\def\blx@addset@ii#1{%
  \listcsgadd{blx@sort@\the\c@refsection}{#1}}

\def\blx@bbl@shorthand{%
  \ifundef\abx@field@shorthand
    {}
    {\blx@setlabwidth{\shorthandwidth}{%
       \csuse{abx@ffd@*@shorthandwidth}{\abx@field@shorthand}}}}

\def\blx@bbl@labelnumber{%
  \ifdefempty\abx@field@localnumber
    {}
    {\ifundef\abx@field@shorthand
       {\ifdef\abx@field@localnumber
	  {}
	  {\csnumgdef{blx@labelnumber@\the\c@refsection}{%
             \csuse{blx@labelnumber@\the\c@refsection}+1}%
           \edef\abx@field@localnumber{%
             \csuse{blx@labelnumber@\the\c@refsection}}}%
	\blx@bbl@fieldedef{labelnumber}{\abx@field@localnumber}%
	\iftoggle{blx@skipbib}
	  {}
	  {\blx@setlabwidth{\labelnumberwidth}{%
             \csuse{abx@ffd@*@labelnumberwidth}{%
	       \ifdef\abx@field@prefixnumber
	         {\abx@field@prefixnumber\abx@field@localnumber}
		 {\abx@field@localnumber}}}}}
       {\csgappto\blx@bbl@data{%
	  \let\abx@field@labelnumber\abx@field@shorthand}%
	\iftoggle{blx@skipbib}
	  {}
	  {\blx@setlabwidth{\labelnumberwidth}{%
             \csuse{abx@ffd@*@labelnumberwidth}{\abx@field@shorthand}}}}}%
  \ifdef\abx@field@prefixnumber
    {\blx@bbl@fieldedef{prefixnumber}{\abx@field@prefixnumber}}
    {}}

\def\blx@bbl@labelalpha{%
  \ifundef\abx@field@shorthand
    {\ifundef\abx@field@labelalpha
       {}
       {\ifundef\abx@field@extraalpha
          {}
          {\ifnum\abx@field@extraalpha>\c@maxextraalpha
             \global\c@maxextraalpha\abx@field@extraalpha\relax
           \fi}%
        \iftoggle{blx@skipbib}
          {}
          {\blx@setlabwidth{\labelalphawidth}{%
             \csuse{abx@ffd@*@labelalphawidth}{%
               \csuse{abx@ffd@*@labelalpha}{\abx@field@labelalpha}%
               \ifundef\abx@field@extraalpha
                 {}
                 {\csuse{abx@ffd@*@extraalpha}{\abx@field@extraalpha}}}}}}}
    {\csgappto\blx@bbl@data{%
       \let\abx@field@labelalpha\abx@field@shorthand}%
     \iftoggle{blx@skipbib}
       {}
       {\blx@setlabwidth{\labelalphawidth}{%
          \csuse{abx@ffd@*@labelalphawidth}{\abx@field@shorthand}}}}}

\def\blx@bbl@labelyear{%
  \ifundef\abx@field@extrayear
    {}
    {\ifnum\abx@field@extrayear>\c@maxextrayear
       \global\c@maxextrayear\abx@field@extrayear\relax
     \fi}}

\def\blx@bbl@labelname{%
  \iftoggle{blx@useauthor}
    {\ifundef\abx@name@shortauthor
       {\ifundef\abx@name@author
          {\blx@bbl@labelname@i}
          {\csgappto\blx@bbl@data{%
             \c@labelname\c@author
             \let\abx@name@labelname\abx@name@author}%
           \iftoggle{abx@bool@moreauthor}
             {\csgappto\blx@bbl@data{%
                \toggletrue{abx@bool@morelabelname}}}
             {}}}
       {\csgappto\blx@bbl@data{%
          \c@labelname\c@shortauthor
          \let\abx@name@labelname\abx@name@shortauthor}%
        \iftoggle{abx@bool@moreshortauthor}
          {\csgappto\blx@bbl@data{%
             \toggletrue{abx@bool@morelabelname}}}
          {}}}
    {\blx@bbl@labelname@i}}

\def\blx@bbl@labelname@i{%
  \iftoggle{blx@useeditor}
    {\ifundef\abx@name@shorteditor
       {\ifundef\abx@name@editor
          {\blx@bbl@labelname@ii}
          {\csgappto\blx@bbl@data{%
             \c@labelname\c@editor
             \let\abx@name@labelname\abx@name@editor}%
           \iftoggle{abx@bool@moreeditor}
             {\csgappto\blx@bbl@data{%
                \toggletrue{abx@bool@morelabelname}}}
             {}}}
       {\csgappto\blx@bbl@data{%
          \c@labelname\c@shorteditor
          \let\abx@name@labelname\abx@name@shorteditor}%
        \iftoggle{abx@bool@moreshorteditor}
          {\csgappto\blx@bbl@data{%
             \toggletrue{abx@bool@morelabelname}}}
          {}}}
    {\blx@bbl@labelname@ii}}

\def\blx@bbl@labelname@ii{%
  \iftoggle{blx@usetranslator}
    {\ifundef\abx@name@translator
       {}
       {\csgappto\blx@bbl@data{%
          \c@labelname\c@translator
          \let\abx@name@labelname\abx@name@translator}%
        \iftoggle{abx@bool@moretranslator}
          {\csgappto\blx@bbl@data{%
             \toggletrue{abx@bool@morelabelname}}}
          {}}}
    {}}

\def\blx@bbl@titles{%
  \ifundef\abx@field@shorttitle
    {\csgappto\blx@bbl@data{%
       \let\abx@field@labeltitle\abx@field@title}}
    {\csgappto\blx@bbl@data{%
       \let\abx@field@labeltitle\abx@field@shorttitle}}%
  \ifundef\abx@field@indextitle
    {\csgappto\blx@bbl@data{%
       \let\abx@field@indextitle\abx@field@title}}
    {}%
  \ifundef\abx@field@indexsorttitle
    {\csgappto\blx@bbl@data{%
       \let\abx@field@indexsorttitle\abx@field@indextitle}}
    {}}

\def\blx@bbl@hooks{%
  \ifcsundef{blx@hook@bblitem@*}
    {\ifcsundef{blx@hook@bblitem@\abx@field@entrytype}
       {}
       {\csuse\blx@bbl@data
        \csuse{blx@hook@bblitem@\abx@field@entrytype}}}
    {\csuse\blx@bbl@data
     \csuse{blx@hook@bblitem@*}%
     \csuse{blx@hook@bblitem@\abx@field@entrytype}}}

\newrobustcmd*{\AtDataInput}[1][*]{\csgappto{blx@hook@bblitem@#1}}
\@onlypreamble\AtDataInput

\def\blx@setlabwidth#1#2{%
  \begingroup
  \settowidth{\@tempdima}{\bibfont#2}%
  \ifnum\@tempdima>#1%
    \global#1\@tempdima
  \fi
  \endgroup}

\def\blx@bblstart{%
  \let\preamble\blx@bbl@preamble
  \let\warn\blx@bbl@thewarn
  \let\refsection\blx@bbl@refsection
  \let\endrefsection\blx@bbl@endrefsection
  \let\entry\blx@bbl@entry
  \let\endentry\blx@bbl@endentry
  \let\lossort\blx@bbl@lossort
  \let\endlossort\blx@bbl@endlossort
  \let\set\blx@bbl@set
  \let\inset\blx@bbl@inset
  \let\xref\blx@bbl@xref
  \let\keyw\blx@bbl@keyw
  \let\name\blx@bbl@namedef
  \let\list\blx@bbl@listdef
  \let\field\blx@bbl@fielddef
  \let\strng\blx@bbl@stringdef
  \let\count\blx@bbl@countdef
  \let\true\blx@bbl@booltrue
  \let\false\blx@bbl@boolfalse
  \let\verb\blx@bbl@verbdef
  \let\endverb\blx@bbl@verbend}

\def\blx@bblend{%
  \ifcsdef{blx@refs@\the\c@refsection}
    {\begingroup
     \let\do\blx@addxref
     \dolistcsloop{blx@refs@\the\c@refsection}%
     \endgroup
     \global\csundef{blx@refs@\the\c@refsection}}
    {}%
  \iftoggle{blx@addset}
    {\blx@addset
     \global\togglefalse{blx@addset}}
    {}}

% {<instcount>}{<entrykey>}{<refsection>}{<labelnumber>}

\protected\def\blx@aux@number#1#2#3#4{%
  \blx@bbl@addentryfield{\detokenize{#2}}{#3}{localnumber}{#4}%
  \ifblank{#4}
    {}
    {\csgdef{blx@labelnumber@#3}{#4}%
     \blx@addchecksum{#1}{#4}}}

\AtEndDocument{%
  \def\abx@aux@number#1#2#3#4{\blx@addchecksum{#1}{#4}}}

% {<entrykey>}{<refsection>}{<numberprefix>}

\protected\def\blx@aux@numprefix#1#2#3{%
  \blx@bbl@addentryfield{\detokenize{#1}}{#2}{prefixnumber}{#3}}

\def\blx@addlabelnumber{%
  \begingroup
  \iftoggle{blx@labelnumber}
    {\nottoggle{blx@skiplab}
       {\ifundef\abx@field@shorthand
	  {\ifundef\abx@field@localnumber
	     {\iftoggle{blx@omitnumbers}
		{\let\abx@field@localnumber\@empty}
		{\csnumgdef{blx@labelnumber@\the\c@refsection}{%
        	   \csuse{blx@labelnumber@\the\c@refsection}+1}%
		 \edef\abx@field@localnumber{\csuse{blx@labelnumber@\the\c@refsection}}%
        	 \blx@bbl@addentryfield{\abx@field@entrykey}{\the\c@refsection}%
		   {localnumber}{\abx@field@localnumber}}%
	      \blx@auxwrite\@mainaux{}{%
        	\string\abx@aux@number{\the\c@instcount}{\abx@field@entrykey}%
        	  {\the\c@refsection}{\abx@field@localnumber}}}
	     {}}
 	   {}%
	\ifdef\blx@prefixnumbers
	  {\ifundef\abx@field@shorthand
	     {\edef\abx@field@prefixnumber{\expandonce\blx@prefixnumbers}%
	      \ifundef\abx@field@prefixnumber
        	{\blx@bbl@addentryfield{\abx@field@entrykey}{\the\c@refsection}%
		   {prefixnumber}{\expandonce\abx@field@prefixnumber}}
		{}%
	      \blx@auxwrite\@mainaux{}{%
		 \string\blx@aux@numprefix{\abx@field@entrykey}%
		   {\the\c@refsection}{\expandonce\abx@field@prefixnumber}}}
	     {}}
	  {}}
       {}}
    {}%
  \endgroup}

\def\blx@bbl@lossort{%
  \begingroup
  \def\key##1{\listcsxadd{blx@losh@\the\c@refsection}{\detokenize{##1}}}}
\let\blx@bbl@endlossort\endgroup

\def\blx@addpageref#1{%
  \begingroup
  \blx@tempcnta\z@
  \let\blx@tempa\@empty
  \def\do##1{%
    \appto\blx@tempa{{##1}}%
    \advance\blx@tempcnta\@ne}%
  \dolistcsloop{blx@pref@\the\c@refsection @#1}%
  \edef\blx@tempa{\endgroup\noexpand\blx@bbl@listdef
    {pageref}{\the\blx@tempcnta}{\blx@tempa}}%
  \blx@tempa}

%% Data input

\def\blx@bblinput{%
  \begingroup
  \iftoggle{blx@reencode}
    {\ifdef\inpenc@prehook
       {\inpenc@prehook{}%
        \inpenc@posthook{}}
       {}%
     \inputencoding\blx@bibencoding}
    {}%
  \blx@info@noline{Trying to load bibliographic data..}%
  \blx@blxinit
  \ifnumequal\blx@backend\blx@backend@biber
    {\blx@bblfile@biber}
    {\blx@bblfile@bibtex
     \blx@bblsecs@bibtex}%
  \endgroup
  \iftoggle{blx@reencode}
    {\ifdef\@enablequotes
       {\@enablequotes}
       {}}
    {}}

\def\blx@bblfile@biber{%
  \blx@secinit
  \begingroup
  \blx@bblstart
  \blx@ifsigned{\jobname}{bbl}
    {\InputIfFileExists{\jobname.bbl}
       {\blx@info@noline{... file '\jobname.bbl' found}}
       {\blx@info@noline{... file '\jobname.bbl' not found}%
        \typeout{No file \jobname.bbl.}}}
    {}%
  \blx@bblend
  \endgroup
  \csnumgdef{blx@labelnumber@\the\c@refsection}{0}}

\def\blx@bblfile@bibtex{%
  \blx@secinit
  \begingroup
  \blx@bblstart
  \ifnum\c@refsection>\z@
    \edef\blx@auxfile@bibtex{\jobname\the\c@refsection\blxauxsuffix}%
  \else
    \edef\blx@auxfile@bibtex{\jobname}%
  \fi
  \blx@ifsigned{\blx@auxfile@bibtex}{bbl}
    {\InputIfFileExists{\blx@auxfile@bibtex.bbl}
       {\blx@info@noline{... file '\blx@auxfile@bibtex.bbl' found}}
       {\blx@info@noline{... file '\blx@auxfile@bibtex.bbl' not found}%
        \typeout{No file \blx@auxfile@bibtex.bbl.}}}
    {}%
  \blx@bblend
  \endgroup
  \csnumgdef{blx@labelnumber@\the\c@refsection}{0}%
  \iftoggle{blx@reencode}{\blx@reencode}{}}

\def\blx@bblsecs@bibtex{%
  \advance\c@refsection\@ne
  \ifnum\c@refsection>\blx@maxsection
  \else
    \blx@bblfile@bibtex
    \expandafter\blx@bblsecs@bibtex
  \fi}

\def\blx@reencode{%
  \begingroup
  \abx@hook@reencode
  \let\protect\@unexpandable@protect
  \def\do##1{\cslet{abx@name@##1}\relax}%
  \abx@donames
  \def\do##1{\cslet{abx@list@##1}\relax}%
  \abx@dolists
  \def\do##1{\cslet{abx@field@##1}\relax}%
  \abx@dofields\do{options}%
  \long\def\abx@field@execute##1{%
    \unexpanded{\abx@field@execute{##1}}}%
  \csuse{abx@preamble}%
  \def\do##1{%
    \csxdef{blx@data@\the\c@refsection @##1}{%
      \csuse{blx@data@\the\c@refsection @##1}}}%
  \dolistcsloop{blx@sort@\the\c@refsection}%
  \endgroup}

\def\abx@hook@reencode{%
  \ifdef\@enablequotes{\@enablequotes}{}%
  \def\IeC##1{\unexpanded{\IeC{##1}}}%
  \let~\relax
}

%% Bibliography

% {<name>}{<start code>}[<end code>]{<item code>}

\newrobustcmd*{\defbibenvironment}[4]{%
  \long\csdef{blx@env@#1}{#2}%
  \long\csdef{blx@endenv@#1}{#3}%
  \long\csdef{blx@item@#1}{#4}}

\defbibenvironment{bibliography}
  {\list{}{%
     \leftmargin\bibhang
     \itemindent-\leftmargin
     \itemsep\bibitemsep
     \parsep\bibparsep}}
  {\endlist}
  {\item}

\defbibenvironment{shorthands}
  {\list{\thefield{shorthand}}{%
     \labelwidth\shorthandwidth
     \labelsep\biblabelsep
     \leftmargin\labelwidth
     \advance\leftmargin\labelsep
     \itemsep\bibitemsep
     \parsep\bibparsep
     \def\makelabel##1{##1\hss}}}
  {\endlist}
  {\item}

% {<name>}[<default>]{<code>}

\newrobustcmd*{\defbibheading}[1]{%
  \@ifnextchar[%]
    {\blx@defbibheading{blx@head@#1}}
    {\blx@defbibheading{blx@head@#1}[\bibname]}}

\def\blx@defbibheading#1[#2]{%
  \csundef{#1}%
  \expandafter\newcommand\csname#1\endcsname[1][#2]}

% {<name>}{<text>}

\newrobustcmd*{\defbibnote}[1]{%
  \long\csdef{blx@note@#1}}

% {<name>}{<code>}

\newrobustcmd*{\defbibfilter}[2]{%
  \begingroup
  \def\blx@flt@error{\csname blx@flt@errortrue\endcsname}%
  \let\not\blx@flt@not \let\NOT\not
  \let\and\blx@flt@and \let\AND\and
  \let\or\blx@flt@or   \let\OR\or
  \letcs\({blx@flt@(}  \letcs\){blx@flt@)}%
  \def\section##1{\blx@flt@error}%
  \def\segment##1{segment=##1}%
  \def\type##1{type=##1}%
  \def\subtype##1{subtype=##1}%
  \def\keyword##1{keyword={##1}}%
  \def\category##1{category={##1}}%
  \edef\blx@tempa{\noexpand\blx@defbibfilter{#2}}%
  \ifdef\blx@flt@errortrue
    {\blx@err@filter}
    {\let\the\relax
     \let\blx@flt@item\relax
     \edef\blx@tempa{\blx@tempa}%
     \ifdef\blx@flt@errortrue
       {\blx@err@filter}
       {\csxdef{blx@filter@#1}{\blx@tempa}}}%
  \endgroup}

\def\blx@defbibfilter#1{%
  \blx@defbibfilter@i#1 &}
\def\blx@defbibfilter@i#1 #2&{%
  \blx@defbibfilter@ii#1==&%
  \ifblank{#2}{}{\blx@defbibfilter@i#2 &}}
\def\blx@defbibfilter@ii#1=#2=#3&{%
  \ifblank{#2}
    {\ifblank{#1}
       {}
       {\ifcsdef{blx@flt@#1}
          {\csname blx@flt@#1\endcsname}
	  {\blx@flt@error}}}
    {\ifcsdef{blx@flt@#1}
       {\csname blx@flt@#1\endcsname{\detokenize{#2}}}
       {\blx@flt@error}}}

\def\blx@flt@and{ and }
\def\blx@flt@or{ or }
\def\blx@flt@not{ not }
\csdef{blx@flt@(}{ ( }
\csdef{blx@flt@)}{ ) }
\def\blx@flt@segment#1{%
  test {\xifinlistcs\blx@flt@item{blx@segm@\the\c@refsection @#1}}}
\def\blx@flt@type#1{%
  test {\xifinlistcs\blx@flt@item{blx@type@\the\c@refsection @#1}}}
\def\blx@flt@subtype#1{%
  test {\xifinlistcs\blx@flt@item{blx@subt@\the\c@refsection @#1}}}
\def\blx@flt@keyword#1{%
  test {\xifinlistcs\blx@flt@item{blx@keyw@\the\c@refsection @#1}}}
\def\blx@flt@category#1{%
  test {\xifinlistcs\blx@flt@item{blx@catg@#1}}}

% options

\define@key{blx@bib}{section}{%
  \ifcsundef{blx@sbib@#1}
    {\blx@err@nosec{#1}}
    {\c@refsection#1\relax
     \iftoggle{blx@tempa}
       {\letcs\blx@tempa{blx@sbib@\the\c@refsection}}
       {\blx@err@secfirst}}}

\define@key{blx@los}{section}{%
  \ifcsundef{blx@sbib@#1}
    {\blx@err@nosec{#1}}
    {\c@refsection#1\relax
     \iftoggle{blx@tempa}
       {\letcs\blx@tempa{blx@losh@\the\c@refsection}}
       {\blx@err@secfirst}}}

\define@key{blx@bbg}{section}{%
  \ifcsundef{blx@sbib@#1}
    {\blx@err@nosec{#1}}
    {\c@refsection#1\relax}}

\define@key{blx@bbc}{section}{%
  \ifcsundef{blx@sbib@#1}
    {\blx@err@nosec{#1}}
    {\c@refsection#1\relax}}

\define@key{blx@bib}{segment}{\blx@key@segment{#1}}
\define@key{blx@los}{segment}{\blx@key@segment{#1}}

\def\blx@key@segment#1{%
  \ifcsundef{blx@segm@\the\c@refsection @#1}
    {\blx@error
       {Segment '#1' not found}
       {The reference segment '#1' could not be found}}
    {\c@refsegment#1\relax
     \blx@printbibchecks
     \blx@filter\blx@tempa{blx@segm@\the\c@refsection @#1}}}

\define@key{blx@bib}{type}{\blx@key@type{#1}}
\define@key{blx@los}{type}{\blx@key@type{#1}}

\def\blx@key@type#1{%
  \ifcsundef{blx@type@\the\c@refsection @#1}
    {\blx@warning{%
       Entry type '#1' not found.\MessageBreak
       Skipping this type filter}}
    {\blx@printbibchecks
     \iftoggle{blx@tempb}
       {\togglefalse{blx@tempb}%
        \blx@filter\blx@tempa{blx@type@\the\c@refsection @#1}}
       {\blx@error
          {'type' used multiple times}
          {When passing multiple filter options, each entry\MessageBreak
	   must satisfy all conditions (AND conjunction),\MessageBreak
	   hence some options may not be used twice.\MessageBreak
	   Use 'filter' and '\string\defbibfilter' with OR conjunctions}}}}

\define@key{blx@bib}{nottype}{\blx@key@nottype{#1}}
\define@key{blx@los}{nottype}{\blx@key@nottype{#1}}

\def\blx@key@nottype#1{%
  \ifcsundef{blx@type@\the\c@refsection @#1}
    {}
    {\blx@printbibchecks
     \blx@notfilter\blx@tempa{blx@type@\the\c@refsection @#1}}}

\define@key{blx@bib}{subtype}{\blx@key@subtype{#1}}
\define@key{blx@los}{subtype}{\blx@key@subtype{#1}}

\def\blx@key@subtype#1{%
  \ifcsundef{blx@subt@\the\c@refsection @#1}
    {\blx@warning{%
       Entry subtype '#1' not found.\MessageBreak
       Skipping this subtype filter}}
    {\blx@printbibchecks
     \iftoggle{blx@tempb}
       {\togglefalse{blx@tempb}%
        \blx@filter\blx@tempa{blx@subt@\the\c@refsection @#1}}
       {\blx@error
          {'subtype' used multiple times}
          {When passing multiple filter options, each entry\MessageBreak
	   must satisfy all conditions (AND conjunction),\MessageBreak
	   hence some options may not be used twice.\MessageBreak
	   Use 'filter' and '\string\defbibfilter' with OR conjunctions}}}}

\define@key{blx@bib}{notsubtype}{\blx@key@notsubtype{#1}}
\define@key{blx@los}{notsubtype}{\blx@key@notsubtype{#1}}

\def\blx@key@notsubtype#1{%
  \ifcsundef{blx@subt@\the\c@refsection @#1}
    {}
    {\blx@printbibchecks
     \blx@notfilter\blx@tempa{blx@subt@\the\c@refsection @#1}}}

\define@key{blx@bib}{keyword}{\blx@key@keyword{#1}}
\define@key{blx@los}{keyword}{\blx@key@keyword{#1}}

\def\blx@key@keyword#1{%
  \ifcsundef{blx@keyw@\the\c@refsection @\detokenize{#1}}
    {\blx@warning{%
       Keyword '\detokenize{#1}' not found.\MessageBreak
       Skipping this keyword filter}}
    {\blx@printbibchecks
     \blx@filter\blx@tempa{blx@keyw@\the\c@refsection @\detokenize{#1}}}}

\define@key{blx@bib}{notkeyword}{\blx@key@notkeyword{#1}}
\define@key{blx@los}{notkeyword}{\blx@key@notkeyword{#1}}

\def\blx@key@notkeyword#1{%
  \ifcsundef{blx@keyw@\the\c@refsection @\detokenize{#1}}
    {}
    {\blx@printbibchecks
     \blx@notfilter\blx@tempa{blx@keyw@\the\c@refsection @\detokenize{#1}}}}

\define@key{blx@bib}{category}{\blx@key@category{#1}}
\define@key{blx@los}{category}{\blx@key@category{#1}}

\def\blx@key@category#1{%
  \ifcsundef{blx@catg@#1}
    {\blx@warning{%
       Category '#1' not found.\MessageBreak
       Skipping this category filter}}
    {\blx@printbibchecks
     \blx@filter\blx@tempa{blx@catg@#1}}}

\define@key{blx@bib}{notcategory}{\blx@key@notcategory{#1}}
\define@key{blx@los}{notcategory}{\blx@key@notcategory{#1}}

\def\blx@key@notcategory#1{%
  \ifcsundef{blx@catg@#1}
    {}
    {\blx@printbibchecks
     \blx@notfilter\blx@tempa{blx@catg@#1}}}

\define@key{blx@bib}{filter}{\blx@key@filter{#1}}
\define@key{blx@los}{filter}{\blx@key@filter{#1}}

\def\blx@key@filter#1{%
  \ifcsdef{blx@filter@#1}
    {\blx@printbibchecks
     \blx@bibfilter\blx@tempa{blx@filter@#1}}
    {\blx@warning{%
       Custom filter '#1' not found.\MessageBreak
       Skipping this custom filter}}}

\define@key{blx@bib}{maxnames}{\blx@key@maxnames{#1}}
\define@key{blx@los}{maxnames}{\blx@key@maxnames{#1}}
\define@key{blx@bbs}{maxnames}{\blx@key@maxnames{#1}}
\define@key{blx@bbg}{maxnames}{\blx@key@maxnames{#1}}
\define@key{blx@bbc}{maxnames}{\blx@key@maxnames{#1}}
\def\blx@key@maxnames#1{%
  \ifnum#1<\c@maxnames
    \blx@err@confopt{maxnames}{%
      The value may not be smaller than the
      global 'maxnames' (=\the\c@maxnames)}%
  \else
    \blx@setmaxnames{#1}%
  \fi}

\define@key{blx@bib}{minnames}{\blx@key@minnames{#1}}
\define@key{blx@los}{minnames}{\blx@key@minnames{#1}}
\define@key{blx@bbs}{minnames}{\blx@key@minnames{#1}}
\define@key{blx@bbg}{minnames}{\blx@key@minnames{#1}}
\define@key{blx@bbc}{minnames}{\blx@key@minnames{#1}}
\def\blx@key@minnames#1{%
  \ifnum#1<\c@minnames
    \blx@err@confopt{minnames}{%
      The value may not be smaller than the
      global 'minnames' (=\the\c@minnames)}%
  \else
    \blx@setminnames{#1}%
  \fi}

\define@key{blx@bib}{maxitems}{\blx@setmaxitems{#1}}
\define@key{blx@los}{maxitems}{\blx@setmaxitems{#1}}
\define@key{blx@bbs}{maxitems}{\blx@setmaxitems{#1}}
\define@key{blx@bbg}{maxitems}{\blx@setmaxitems{#1}}
\define@key{blx@bbc}{maxitems}{\blx@setmaxitems{#1}}

\define@key{blx@bib}{minitems}{\blx@setminitems{#1}}
\define@key{blx@los}{minitems}{\blx@setminitems{#1}}
\define@key{blx@bbs}{minitems}{\blx@setminitems{#1}}
\define@key{blx@bbg}{minitems}{\blx@setminitems{#1}}
\define@key{blx@bbc}{minitems}{\blx@setminitems{#1}}

\define@key{blx@bhd}{heading}{\blx@key@heading{#1}}
\define@key{blx@bib}{heading}{\blx@key@heading{#1}}
\define@key{blx@los}{heading}{\blx@key@heading{#1}}
\define@key{blx@bbs}{heading}{\blx@key@heading{#1}}
\define@key{blx@bbg}{heading}{\blx@key@heading{#1}}
\def\blx@key@heading#1{%
  \ifcsundef{blx@head@#1}
     {\blx@error
        {Heading '#1' undefined}
        {Use \string\defbibheading\space to define it}}
     {\def\blx@theheading{#1}}}

\define@key{blx@bib}{env}{\blx@key@env{#1}}
\define@key{blx@los}{env}{\blx@key@env{#1}}
\define@key{blx@bbs}{env}{\blx@key@env{#1}}
\define@key{blx@bbg}{env}{\blx@key@env{#1}}
\define@key{blx@bbc}{env}{\blx@key@env{#1}}
\def\blx@key@env#1{%
  \ifcsundef{blx@env@#1}
     {\blx@error
        {Environment '#1' undefined}
        {Use \string\defbibenvironment\space to define it}}
     {\def\blx@theenv{#1}}}

\define@key{blx@bhd}{title}{\long\def\blx@thetitle{#1}}
\define@key{blx@bib}{title}{\long\def\blx@thetitle{#1}}
\define@key{blx@los}{title}{\long\def\blx@thetitle{#1}}

\define@key{blx@bib}{prenote}{\blx@key@prenote{#1}}
\define@key{blx@los}{prenote}{\blx@key@prenote{#1}}
\define@key{blx@bbs}{prenote}{\blx@key@prenote{#1}}
\define@key{blx@bbg}{prenote}{\blx@key@prenote{#1}}
\define@key{blx@bbc}{prenote}{\blx@key@prenote{#1}}
\def\blx@key@prenote#1{%
  \ifcsundef{blx@note@#1}
     {\blx@error
        {Note '#1' undefined}
        {Use \string\defbibnote\space to define it}}
     {\def\blx@theprenote{#1}}}

\define@key{blx@bib}{postnote}{\blx@key@postnote{#1}}
\define@key{blx@los}{postnote}{\blx@key@postnote{#1}}
\define@key{blx@bbs}{postnote}{\blx@key@postnote{#1}}
\define@key{blx@bbg}{postnote}{\blx@key@postnote{#1}}
\define@key{blx@bbc}{postnote}{\blx@key@postnote{#1}}
\def\blx@key@postnote#1{%
  \ifcsundef{blx@note@#1}
     {\blx@error
        {Note '#1' undefined}
        {Use \string\defbibnote\space to define it}}
     {\def\blx@thepostnote{#1}}}

\define@key{blx@bib}{resetnumbers}[true]{%
  \ifstrequal{#1}{true}
    {\iftoggle{blx@defernumbers}
       {\csnumdef{blx@labelnumber@\the\c@refsection}{0}}
       {\blx@warning{%
          Option 'resetnumbers' requires 'defernumbers=true'.\MessageBreak
          Ignoring 'resetnumbers=true'}}}
    {}}

\define@key{blx@bib}{omitnumbers}[true]{%
  \ifstrequal{#1}{true}
    {\iftoggle{blx@defernumbers}
       {\toggletrue{blx@omitnumbers}}
       {\blx@warning{%
          Option 'omitnumbers' requires 'defernumbers=true'.\MessageBreak
          Ignoring 'omitnumbers=true'}}}
    {}}

\define@key{blx@bib}{prefixnumbers}{%
  \iftoggle{blx@defernumbers}
    {\csnumdef{blx@labelnumber@\the\c@refsection}{0}%
     \def\blx@prefixnumbers{#1}}
    {\blx@warning{%
       Option 'prefixnumbers' requires 'defernumbers=true'.\MessageBreak
       Ignoring 'prefixnumbers=\detokenize{#1}'}}}

% [<options>]

\newrobustcmd*{\printbibheading}{%
  \begingroup
  \edef\on@line{\on@line}%
  \@ifnextchar[%]
    {\blx@printbibheading}
    {\blx@printbibheading[]}}

\def\blx@printbibheading[#1]{%
  \def\blx@theheading{bibliography}%
  \let\blx@thetitle\@empty
  \blx@safe@actives
  \setkeys{blx@bhd}{#1}%
  \blx@rest@actives
  \edef\blx@tempa{\endgroup
    \noexpand\blx@bibheading
      {\expandonce\blx@theheading}
      {\expandonce\blx@thetitle}}%
  \blx@tempa}

% [<options>]

\newrobustcmd*{\printbibliography}{%
  \begingroup
  \edef\on@line{\on@line}%
  \@ifnextchar[%]
    {\blx@printbibliography}
    {\blx@printbibliography[]}}

\def\blx@printbibliography[#1]{%
  \toggletrue{blx@tempa}%
  \toggletrue{blx@tempb}%
  \letcs\blx@tempa{blx@sbib@\the\c@refsection}%
  \def\blx@theheading{bibliography}%
  \def\blx@theenv{bibliography}%
  \let\blx@theprenote\@empty
  \let\blx@thepostnote\@empty
  \let\blx@thetitle\@empty
  \blx@safe@actives
  \setkeys{blx@bib}{#1}%
  \blx@rest@actives
  \ifdefvoid\blx@tempa
    {\blx@warn@bibempty\endgroup}
    {\blx@bibliography\blx@tempa}}

% [<options>]

\newrobustcmd*{\bibbysection}{%
  \begingroup
  \ifnum\blx@maxsection=\z@
    \blx@warning{No reference sections found}%
  \fi
  \edef\on@line{\on@line}%
  \@ifnextchar[%]
    {\blx@bibbysection}
    {\blx@bibbysection[]}}

\def\blx@bibbysection[#1]{%
  \def\blx@theheading{bibliography}%
  \def\blx@theenv{bibliography}%
  \let\blx@theprenote\@empty
  \let\blx@thepostnote\@empty
  \let\blx@thetitle\@empty
  \c@refsection\z@
  \blx@safe@actives
  \setkeys{blx@bbs}{#1}%
  \blx@rest@actives
  \togglefalse{blx@tempa}%
  \blx@refsections}

\def\blx@refsections{%
  \ifcsvoid{blx@sbib@\the\c@refsection}
    {}
    {\toggletrue{blx@tempa}%
     \begingroup
     \expandafter\blx@bibliography\csname blx@sbib@\the\c@refsection\endcsname}%
  \ifnum\c@refsection<\blx@maxsection
    \advance\c@refsection\@ne
    \expandafter\blx@refsections
  \else
    \iftoggle{blx@tempa}{}{\blx@warn@bibempty}%
    \endgroup
  \fi}

% [<options>]

\newrobustcmd*{\bibbysegment}{%
  \begingroup
  \edef\on@line{\on@line}%
  \ifnum\blx@maxsegment=\z@
    \blx@warning{No reference segments found}%
  \fi
  \@ifnextchar[%]
    {\blx@bibbysegment}
    {\blx@bibbysegment[]}}

\def\blx@bibbysegment[#1]{%
  \def\blx@theheading{bibliography}%
  \def\blx@theenv{bibliography}%
  \let\blx@theprenote\@empty
  \let\blx@thepostnote\@empty
  \let\blx@thetitle\@empty
  \c@refsection\z@
  \c@refsegment\@ne
  \blx@safe@actives
  \setkeys{blx@bbg}{#1}%
  \blx@rest@actives
  \togglefalse{blx@tempa}%
  \blx@refsegments}

\def\blx@refsegments{%
  \ifcsvoid{blx@segm@\the\c@refsection @\the\c@refsegment}
    {}
    {\toggletrue{blx@tempa}%
     \begingroup
     \letcs\blx@tempa{blx@sbib@\the\c@refsection}%
     \blx@filter\blx@tempa{blx@segm@\the\c@refsection @\the\c@refsegment}%
     \blx@bibliography\blx@tempa}%
  \ifnum\c@refsegment<\blx@maxsegment
    \advance\c@refsegment\@ne
    \expandafter\blx@refsegments
  \else
    \iftoggle{blx@tempa}{}{\blx@warn@bibempty}%
    \endgroup
  \fi}

% [<options>]

\newrobustcmd*{\bibbycategory}{%
  \begingroup
  \edef\on@line{\on@line}%
  \ifx\blx@categories\@empty
    \blx@warning{No categories found}%
  \fi
  \@ifnextchar[%]
    {\blx@bibbycategory}
    {\blx@bibbycategory[]}}

\def\blx@bibbycategory[#1]{%
  \def\blx@theheading{bibliography}%
  \def\blx@theenv{bibliography}%
  \let\blx@theprenote\@empty
  \let\blx@thepostnote\@empty
  \let\blx@thetitle\@empty
  \c@refsection\z@
  \blx@safe@actives
  \setkeys{blx@bbc}{#1}%
  \blx@rest@actives
  \togglefalse{blx@tempa}%
  \forlistloop\blx@bibcategory\blx@categories
  \blx@endbibcategory}

\def\blx@bibcategory#1{%
  \ifcsvoid{blx@catg@#1}
    {}
    {\toggletrue{blx@tempa}%
     \begingroup
     \blx@key@heading{#1}%
     \letcs\blx@tempa{blx@sbib@\the\c@refsection}%
     \blx@filter\blx@tempa{blx@catg@#1}%
     \blx@bibliography\blx@tempa}}%

\def\blx@endbibcategory{%
  \iftoggle{blx@tempa}{}{\blx@warn@bibempty}%
  \endgroup}

% {<entrykey>,...}

\def\blx@bibliography{%
  \blx@bibheading\blx@theheading\blx@thetitle
  \blx@bibnote\blx@theprenote
  \begingroup
  \blx@bibinit
  \let\@noitemerr\@empty
  \let\blx@noitem\blx@warn@bibempty
  \ifnum\bibinitsep=\z@
    \let\blx@initsep\relax
  \fi
  \ifnum\bibnamesep=\z@
    \let\blx@namesep\relax
  \fi
  \csuse{blx@env@\blx@theenv}%
  \csuse{blx@hook@bibinit}%
  \let\blx@do\blx@bibitem
  \let\blx@done\blx@endbibliography
  \blx@listloop}

\def\blx@endbibliography{%
  \csuse{blx@endenv@\blx@theenv}%
  \blx@noitem
  \endgroup
  \blx@bibnote\blx@thepostnote
  \endgroup}

\def\blx@bibheading#1#2{%
  \let\newrefsection\relax
  \let\newrefsegment\relax
  \expandafter\ifblank
  \expandafter{#2}
    {\csuse{blx@head@#1}}
    {\csuse{blx@head@#1}[#2]}%
  \let\newrefsection\blx@newrefsection
  \let\newrefsegment\blx@newrefsegment}

\def\blx@bibnote#1{%
  \ifdefempty#1
    {}
    {\begingroup
     \let\newrefsection\relax
     \let\newrefsegment\relax
     \noindent
     \csuse{blx@note@#1}\par\nobreak
     \endgroup}}

\def\blx@bibinit{%
  \iftoggle{blx@citation}
    {}
    {\toggletrue{blx@bibliography}}%
  \blx@blxinit
  \blx@resetdata
  \csuse{blx@hook@bbxinit}%
  \bibsetup\bibfont
  \blx@setsfcodes
  \csuse{blx@bibsetup}}

% {<entrykey>}

\def\blx@bibitem#1{%
  \blx@ifdata{#1}
    {\global\let\blx@noitem\@empty
     \begingroup
     \blx@getdata{#1}%
     \blx@ifdriver{\abx@field@entrytype}
       {\blx@setoptions@type\abx@field@entrytype
        \blx@setoptions@entry
        \blx@thelabelnumber
        \addtocounter{instcount}\@ne
        \csuse{blx@item@\blx@theenv}\relax
        \blx@initsep
        \blx@namesep
        \csuse{blx@hook@bibitem}%
        \blx@execute
        \blx@initunit
        \blx@anchor
        \blx@beglang
        \bibsentence
        \blx@pagetracker
        \blx@driver{\abx@field@entrytype}%
        \blx@postpunct
        \blx@endlang}
       {\blx@warning{%
          No driver for entry type
          '\abx@field@entrytype'.\MessageBreak
          Skipping entry '\abx@field@entrykey'}}%
     \endgroup}
    {}}

\def\blx@initsep{%
  \blx@imc@iffieldundef{sortinit}
    {}
    {\ifnum\c@instcount>\@ne
       \blx@imc@iffieldequals{sortinit}\blx@previnit
	 {}
	 {\addvspace{\bibinitsep}}%
     \fi
     \global\let\blx@previnit\abx@field@sortinit}}

\def\blx@namesep{%
  \ifnum\c@instcount>\@ne
    \blx@imc@iffieldequals{fullhash}\blx@prevhash
      {}
      {\addvspace{\bibnamesep}}%
  \fi
  \global\let\blx@prevhash\abx@field@fullhash}

\newrobustcmd*{\AtBeginBibliography}{\gappto\blx@hook@bibinit}
\newrobustcmd*{\AtEveryBibitem}{\gappto\blx@hook@bibitem}
\@onlypreamble\AtBeginBibliography
\@onlypreamble\AtEveryBibitem

% page tracker

\def\blx@pagetracker@context{%
  \blx@leavevmode
  \ifbool{@filesw}
    {\ifbool{pagetracker}
       {\protected@write\@mainaux{}{%
          \iftoggle{blx@footnote}
            {\string\abx@aux@fnpage}
            {\string\abx@aux@page}%
          {\the\c@instcount}{\noexpand\the\c@page}}}
       {}}
    {}}

% {<instcount>}{<page>}

\protected\def\blx@aux@page#1#2{%
  \csgdef{blx@page@#1}{#2}%
  \blx@addchecksum{#1}{#2}}
\protected\def\blx@aux@spread#1#2{%
  \ifodd#2\relax
    \csxdef{blx@page@#1}{\number\numexpr#2-1}%
  \else
    \csgdef{blx@page@#1}{#2}%
  \fi
  \blx@addchecksum{#1}{#2}}

\protected\def\blx@aux@fnpage#1#2{%
  \csgdef{blx@fnpage@#1}{#2}%
  \blx@addchecksum{#1}{#2}}
\protected\def\blx@aux@fnspread#1#2{%
  \ifodd#2\relax
    \csxdef{blx@fnpage@#1}{\number\numexpr#2-1}%
  \else
    \csgdef{blx@fnpage@#1}{#2}%
  \fi
  \blx@addchecksum{#1}{#2}}

\AtEndDocument{%
  \def\abx@aux@page#1#2{\blx@addchecksum{#1}{#2}}%
  \def\abx@aux@fnpage#1#2{\blx@addchecksum{#1}{#2}}}

% hyperref interface

\appto\blx@mkhyperref{%
  \let\blx@anchors\@empty
  \ifundef\hyper@natanchorstart
    {\protected\def\blx@anchor{%
       \xifinlist{\the\c@refsection @\abx@field@entrykey}{\blx@anchors}
         {}
         {\listxadd\blx@anchors{\the\c@refsection @\abx@field@entrykey}%
          \hypertarget{cite.\the\c@refsection @\abx@field@entrykey}{}}}}
    {\protected\def\blx@anchor{%
       \xifinlist{\the\c@refsection @\abx@field@entrykey}{\blx@anchors}
         {}
         {\listxadd\blx@anchors{\the\c@refsection @\abx@field@entrykey}%
          \hyper@natanchorstart{\the\c@refsection @\abx@field@entrykey}%
          \hyper@natanchorend}}}}

\appto\blx@mknohyperref{\let\blx@anchor\relax}

% List of shorthands

\newrobustcmd*{\printshorthands}{%
  \begingroup
  \edef\on@line{\on@line}%
  \@ifnextchar[%]
    {\blx@printshorthands}
    {\blx@printshorthands[]}}

\def\blx@printshorthands[#1]{%
  \toggletrue{blx@tempa}%
  \toggletrue{blx@tempb}%
  \letcs\blx@tempa{blx@losh@\the\c@refsection}%
  \def\blx@theheading{shorthands}%
  \def\blx@theenv{shorthands}%
  \let\blx@theprenote\@empty
  \let\blx@thepostnote\@empty
  \let\blx@thetitle\@empty
  \let\blx@printbibchecks\relax
  \blx@safe@actives
  \setkeys{blx@los}{#1}%
  \blx@rest@actives
  \ifdefvoid\blx@tempa
    {\blx@warn@losempty\endgroup}
    {\blx@shorthands\blx@tempa}}

\def\blx@printbibchecks{%
  \togglefalse{blx@tempa}%
  \iftoggle{blx@defernumbers}
    {\global\let\blx@printbibchecks\relax}
    {\iftoggle{blx@labelnumber}
       {\blx@warning@noline{Setting 'defernumbers=true' recommended}}
       {\global\let\blx@printbibchecks\relax}}}

% {<entrykey>,...}

\def\blx@shorthands{%
  \if@twocolumn
    \@restonecoltrue\onecolumn
  \else
    \@restonecolfalse
  \fi
  \blx@bibheading\blx@theheading\blx@thetitle
  \blx@bibnote\blx@theprenote
  \begingroup
  \blx@bibinit
  \let\@noitemerr\@empty
  \let\blx@noitem\blx@warn@losempty
  \csuse{blx@env@\blx@theenv}%
  \csuse{blx@hook@losinit}%
  \let\blx@do\blx@lositem
  \let\blx@done\blx@endshorthands
  \blx@listloop}

\def\blx@endshorthands{%
  \csuse{blx@endenv@\blx@theenv}%
  \blx@noitem
  \endgroup
  \blx@bibnote\blx@thepostnote
  \endgroup
  \if@restonecol\twocolumn\fi}

\newrobustcmd*{\AtBeginShorthands}{\gappto\blx@hook@losinit}
\newrobustcmd*{\AtEveryLositem}{\gappto\blx@hook@lositem}
\@onlypreamble\AtBeginShorthands
\@onlypreamble\AtEveryLositem

% {<entrykey>}

\def\blx@lositem#1{%
  \blx@ifdata{#1}
    {\global\let\blx@noitem\@empty
     \begingroup
     \blx@getdata{#1}%
     \blx@setoptions@type\abx@field@entrytype
     \blx@setoptions@entry
     \addtocounter{instcount}\@ne
     \csuse{blx@item@\blx@theenv}\relax
     \csuse{blx@hook@lositem}%
     \blx@execute
     \blx@initunit
     \blx@beglang
     \bibsentence
     \blx@pagetracker
     \blx@driver{shorthands}%
     \blx@postpunct
     \blx@endlang
     \endgroup}
    {}}

\DeclareBibliographyDriver{shorthands}{%
  \iffieldundef{shorttitle}
    {\printfield{title}}
    {\printfield{shorttitle}}}

% Reference sections

\newrobustcmd*{\newrefsection}{%
  \ifnum\c@refsection>\z@
    \endrefsection
  \fi
  \refsection}
\let\blx@newrefsection\newrefsection

\newrobustcmd*{\refsection}{%
  \begingroup
  \edef\on@line{\on@line}%
  \ifnum\c@refsection>\z@
    \blx@err@nestenv{refsection}%
    \blx@endrefsection
  \fi
  \ifnum\c@refsegment>\z@
    \blx@err@nestenv{refsection}%
    \blx@endrefsegment
  \fi
  \@ifnextchar[%]
    {\blx@refsection}
    {\blx@refsection[\blx@bibfiles]}}

\def\blx@refsection[#1]{%
  \global\advance\blx@maxsection\@ne
  \global\c@refsection\blx@maxsection
  \blx@inf@refsec
  \blx@secinit
  \if@filesw
    \blx@auxwrite\@mainaux{}{%
      \string\abx@aux@refsection{\the\c@refsection}{\the\c@page}}%
    \ifnum\blx@backend=\blx@backend@biber
      \blx@xsanitizeafter\blx@refsection@biber{#1}%
    \else
      \blx@xsanitizeafter\blx@refsection@bibtex{#1}%
    \fi
  \fi
  \blx@info{Setting label 'refsection:\the\c@refsection'}%
  \label{refsection:\the\c@refsection}%
  \endgroup}

\def\blx@refsection@biber#1{%
  \blx@regbibfiles{\jobname}{#1}%
  \blx@auxwrite\blx@auxout
    {\def\do##1{\blx@bcf@datasource{file}{##1}}}
    {\blx@bcf@endsection\blx@nl
     \blx@bcf@comment{section \the\c@refsection}%
     \blx@bcf@bibdata{\the\c@refsection}{%
       \expandafter\docsvlist
       \expandafter{#1}}%
     \blx@bcf@section{\the\c@refsection}}}

\def\blx@refsection@bibtex#1{%
  \xdef\blx@auxfile@bibtex{\jobname\the\c@refsection\blxauxsuffix}%
  \blx@regbibfiles{\blx@auxfile@bibtex}{#1}%
  \blx@logreq@inactive
  \blx@ifsigned{\blx@auxfile@bibtex}{aux}
    {\immediate\openout\blx@auxout\blx@auxfile@bibtex.aux\relax
     \global\let\blx@auxout@bibtex\blx@auxout
     \blx@auxinit@bibtex{#1}}
    {}}

\protected\def\endrefsection{%
  \blx@endrefsection
  \blx@inf@refsec}

\def\blx@endrefsection{%
  \blx@endrefsegment
  \ifnum\blx@backend=\blx@backend@biber
    \blx@endrefsection@biber
  \else
    \blx@endrefsection@bibtex
  \fi
  \global\c@refsection\z@}

\def\blx@endrefsection@biber{%
  \ifnum\c@refsection>\z@
    \blx@auxwrite\blx@auxout{}{%
      \blx@bcf@endsection\blx@nl
      \blx@bcf@comment{section 0 (cont.)}%
      \blx@bcf@section{0}}%
  \fi}

\def\blx@endrefsection@bibtex{%
  \ifx\blx@auxout@bibtex\blx@auxout
    \immediate\closeout\blx@auxout
    \global\let\blx@auxout@bibtex\@mainaux
    \xdef\blx@auxfile@bibtex{\jobname}%
  \fi}

\AtEndDocument{%
  \blx@endrefsection
  \def\abx@aux@refsection#1#2{\blx@addchecksum{#1}{#2}}}

\protected\def\abx@aux@refsection#1#2{%
  \ifnum#1>\blx@maxsection
    \global\blx@maxsection#1\relax
  \fi
  \blx@addchecksum{#1}{#2}}

% Reference segments

\newrobustcmd*{\newrefsegment}{%
  \ifnum\c@refsegment>\z@
    \blx@endrefsegment
  \fi
  \refsegment}
\let\blx@newrefsegment\newrefsegment

\newrobustcmd*{\refsegment}{%
  \ifnum\c@refsegment>\z@
    \blx@err@nestenv{refsegment}%
    \blx@endrefsegment
  \fi
  \global\advance\blx@maxsegment\@ne
  \global\c@refsegment\blx@maxsegment
  \blx@inf@refseg
  \blx@info{Setting label 'refsegment:\the\c@refsegment'}%
  \label{refsegment:\the\c@refsegment}%
  \ifcsundef{blx@segm@\the\c@refsection @\the\c@refsegment}
    {\global\cslet{blx@segm@\the\c@refsection @\the\c@refsegment}\@empty}
    {}}

\protected\def\endrefsegment{%
  \blx@endrefsegment
  \blx@inf@refseg}

\def\blx@endrefsegment{%
  \global\c@refsegment\z@}

% Bibliography categories

\let\blx@categories\@empty

% {<category>}

\newrobustcmd*{\DeclareBibliographyCategory}[1]{%
  \ifcsundef{blx@catg@#1}
    {\global\cslet{blx@catg@#1}\@empty
     \listgadd{\blx@categories}{#1}}
    {\blx@error
       {Category '#1' already declared}
       {The bibliography category '#1'\MessageBreak
        has already been declared}}}
\@onlypreamble\DeclareBibliographyCategory

% {<category>}{<entrykey>,...}

\newrobustcmd*{\addtocategory}[2]{%
  \ifcsundef{blx@catg@#1}
    {\blx@error
       {Category '#1' not declared}
       {Use \string\DeclareBibliographyCategory\space to declare}}
    {\AfterPreamble{%
       \blx@xsanitizeafter{\forcsvlist{\blx@addtocategory{#1}}}{#2}}}}

% {<category>}{<entrykey>,...}

\def\blx@addtocategory#1#2{%
  \blx@auxwrite\@mainaux{}{\string\abx@aux@category{#1}{#2}}%
  \abx@aux@category{#1}{#2}}

% {<category>}{<entrykey>,...}

\protected\def\abx@aux@category#1#2{%
  \xifinlistcs{\detokenize{#2}}{blx@catg@#1}
    {}
    {\listcsxadd{blx@catg@#1}{\detokenize{#2}}}}

\AtEndDocument{\let\abx@aux@category\@gobbletwo}

% Database

\renewrobustcmd*{\bibliography}[1]{%
  \blx@xsanitizeafter{\forcsvlist\blx@addbibfile}{#1}}

\def\blx@addbibfile#1{%
  \ifdefempty\blx@bibfiles
    {\gdef\blx@bibfiles{#1}}
    {\gappto\blx@bibfiles{,#1}}%
  \blx@regbibfile{\jobname}{#1}}

\let\blx@bibfiles\@empty

%% Citations

\newrobustcmd*{\AtEveryCite}{\gappto\blx@hook@cite}
\newrobustcmd*{\AtEveryCitekey}{\gappto\blx@hook@citekey}
\@onlypreamble\AtEveryCite
\@onlypreamble\AtEveryCitekey

\newrobustcmd*{\AtNextCite}{%
  \ifundef\blx@hook@cite@next
    {\gdef\blx@hook@cite@next{\global\undef\blx@hook@cite@next}}
    {}%
  \gappto\blx@hook@cite@next}

\newrobustcmd*{\AtNextCitekey}{%
  \ifundef\blx@hook@citekey@next
    {\gdef\blx@hook@citekey@next{\global\undef\blx@hook@citekey@next}}
    {}%
  \gappto\blx@hook@citekey@next}

% {<style>]

\newrobustcmd*{\RequireCitationStyle}[1]{%
  \blx@inputonce{#1.cbx}{citation style '#1'}{}{}{}
    {\blx@error
       {Style '#1' not found}
       {The citation style '#1' could not be found}}}
\@onlypreamble\RequireCitationStyle

% {<code>}

\newrobustcmd*{\InitializeCitationStyle}{\appto\blx@hook@cbxinit}
\@onlypreamble\InitializeCitationStyle

% {<code>}

\newrobustcmd*{\OnManualCitation}{\appto\blx@hook@mancite}
\@onlypreamble\OnManualCitation

\newrobustcmd*{\mancite}{%
  \csuse{blx@hook@mancite}%
  \blx@ibidreset
  \blx@idemreset
  \blx@opcitreset
  \blx@loccitreset}

% {<entrykey>}{<message>}

\def\blx@citation#1#2{%
  \ifbool{citerequest}
    {\ifcsdef{blx@setp@\the\c@refsection @#1}
       {\blx@citation@set{#1}{#2}}
       {\ifcsdef{blx@setc@\the\c@refsection @#1}
          {\blx@citation@inset{#1}{#2}}
          {\blx@citation@entry{#1}{#2}}}%
     \ifcsdef{blx@refc@\the\c@refsection @#1}
       {\blx@citation@xref{#1}}
       {}}
    {}}

\def\blx@citation@entry#1#2{%
  \blx@bibreq{#1}%
  \ifinlistcs{#1}{blx@segm@\the\c@refsection @\the\c@refsegment}
    {}
    {\listcsgadd{blx@segm@\the\c@refsection @\the\c@refsegment}{#1}}%
  \blx@ifdata{#1}
    {}
    {\blx@logreq@active{#2{#1}}}}

\def\blx@citation@set#1#2{%
  \blx@citation@entry{#1}{#2}%
  \begingroup
  \def\do##1{\blx@citation@entry{##1}\blx@msg@cundef}%
  \expandafter\expandafter\expandafter\docsvlist
  \expandafter\expandafter\expandafter{%
    \csname blx@setp@\the\c@refsection @#1\endcsname}%
  \endgroup}

\def\blx@citation@inset#1#2{%
  \blx@citation@entry{#1}{#2}%
  \expandafter\expandafter\expandafter\blx@citation@inset@i
  \expandafter\expandafter\expandafter{%
    \csname blx@setc@\the\c@refsection @#1\endcsname}\blx@msg@cundef}

\def\blx@citation@inset@i#1{%
  \ifcsdef{blx@setp@\the\c@refsection @#1}
    {\blx@citation@set{#1}}
    {\blx@citation@entry{#1}}}

\def\blx@citation@xref#1{%
  \begingroup
  \edef\blx@tempa{blx@refp@\the\c@refsection @%
          \csname blx@refc@\the\c@refsection @#1\endcsname}%
  \ifcsdef\blx@tempa
    {\ifinlistcs{#1}\blx@tempa
       {}
       {\listcsxadd\blx@tempa{#1}}%
     \blx@tempcnta\z@
     \def\do##1{\advance\blx@tempcnta\@ne}%
     \dolistcsloop\blx@tempa}
    {\listcsxadd\blx@tempa{#1}%
     \blx@tempcnta\@ne}%
  \expandafter\endgroup\ifnum\blx@tempcnta<\blx@minxrefs\relax
  \else
    \expandafter\expandafter\expandafter\blx@citation@entry
    \expandafter\expandafter\expandafter{%
      \csname blx@refc@\the\c@refsection @#1\endcsname}\blx@msg@cundef
  \fi}

\def\blx@citation@all{%
  \ifbool{citerequest}
    {\blx@bibreq{*}%
     \global\csletcs
       {blx@segm@\the\c@refsection @\the\c@refsegment}
       {blx@sbib@\the\c@refsection}%
     \ifcsvoid{blx@sort@\the\c@refsection}
       {\blx@logreq@active{}}
       {}}
    {}}

\def\blx@bibreq#1{%
  \ifnum\blx@backend=\blx@backend@biber
    \blx@auxwrite\blx@auxout{}{\blx@bcf@citekey{#1}}%
  \else
    \blx@auxwrite\blx@auxout@bibtex{}{\string\citation{#1}}%
  \fi}

% {<entrykey>,...}

\protected\def\blx@citeloop#1{%
  \begingroup
  \blx@tempcnta\z@
  \blx@tempcntb\z@
  \let\blx@tempa\@empty
  \forcsvlist\blx@citeadd{#1}%
  \blx@thenotecheck
  \ifnum\blx@tempcnta>\z@
    \ifnum\blx@tempcntb>\z@
      \multicitedelim
    \fi
  \fi
  \letcs\blx@tempb{blx@sort@\the\c@refsection}%
  \blx@thecitesort
  \edef\blx@tempa{\endgroup
    \c@citecount\z@
    \c@citetotal\the\blx@tempcnta\relax
    \unexpanded{\forlistloop\blx@citeprint}{\blx@tempb}}%
  \blx@tempa}

\def\blx@notecheck{%
  \ifnum\blx@tempcnta>\@ne
    \blx@warning{%
      Package option 'sortcites' enabled.\MessageBreak
      Verify postnote placement}%
  \fi}

\def\blx@citesort{%
  \ifnum\blx@tempcnta>\@ne
    \blx@filter\blx@tempb{blx@tempa}%
  \else
    \blx@citenosort
  \fi}

\def\blx@citenosort{%
  \let\blx@tempb\blx@tempa}

% {<entrykey>}

\def\blx@citeadd#1{%
  \blx@citation{#1}\blx@msg@cundefon
  \blx@ifdata{#1}
    {\advance\blx@tempcnta\@ne
     \listadd\blx@tempa{#1}}
    {\ifnum\blx@tempcntb>\z@\multicitedelim\fi
     \abx@missing{#1}%
     \advance\blx@tempcntb\@ne}}

% {<entrykey>}

\protected\def\blx@citeprint#1{%
  \advance\c@citecount\@ne
  \addtocounter{instcount}\@ne
  \ifnum\c@citecount=\@ne
    \blx@getdata@cite{#1}%
    \blx@precode
    \ifnum\c@citetotal>\@ne
      \blx@resetdata
    \fi
  \else
    \blx@dlimcode
  \fi
  \begingroup
  \ifnum\c@citetotal>\@ne
    \blx@getdata@cite{#1}%
  \fi
  \blx@entrysetcount
  \blx@setoptions@type\abx@field@entrytype
  \blx@setoptions@entry
  \blx@backref{#1}%
  \blx@pagetracker
  \csuse{blx@hook@citekey}%
  \csuse{blx@hook@citekey@next}%
  \blx@execute
  \blx@loopcode
  \blx@citetracker
  \blx@ibidtracker
  \blx@idemtracker
  \blx@opcittracker
  \blx@loccittracker
  \ifnum\c@citecount=\c@citetotal
    \def\blx@thecheckpunct{\blx@err@nestcite\@gobble}%
    \blx@postcode
  \fi
  \endgroup}

% cite tracker

\def\blx@citetracker@global{%
  \ifbool{citetracker}
    {\xifinlistcs\abx@field@entrykey{blx@bsee@\the\c@refsection}
       {}
       {\listcsxadd{blx@bsee@\the\c@refsection}\abx@field@entrykey}}
    {}}

\def\blx@citetracker@context{%
  \ifbool{citetracker}
    {\iftoggle{blx@footnote}
       {\xifinlistcs\abx@field@entrykey{blx@fsee@\the\c@refsection}
          {}
          {\listcsxadd{blx@fsee@\the\c@refsection}\abx@field@entrykey}}
       {\xifinlistcs{\abx@field@entrykey}{blx@bsee@\the\c@refsection}
          {}
          {\listcsxadd{blx@bsee@\the\c@refsection}\abx@field@entrykey}}}
    {}}

\protected\appto\abx@savetrackers{%
  \global\csletcs{blx@saved@bsee@\the\c@refsection}{blx@bsee@\the\c@refsection}%
  \global\csletcs{blx@saved@fsee@\the\c@refsection}{blx@fsee@\the\c@refsection}}

\protected\appto\abx@resttrackers{%
  \global\csletcs{blx@bsee@\the\c@refsection}{blx@saved@bsee@\the\c@refsection}%
  \global\csletcs{blx@fsee@\the\c@refsection}{blx@saved@fsee@\the\c@refsection}}

\protected\appto\abx@cleartrackers{%
  \global\cslet{blx@saved@bsee@\the\c@refsection}\@empty
  \global\cslet{blx@saved@fsee@\the\c@refsection}\@empty}

% ibidem tracker

\def\blx@ibidtracker@gobal{%
  \ifbool{citetracker}
    {\global\let\blx@lastkey@text\abx@field@entrykey}
    {}}

\def\blx@ibidtracker@context{%
  \ifbool{citetracker}
    {\iftoggle{blx@footnote}
       {\global\let\blx@lastkey@foot\abx@field@entrykey}
       {\global\let\blx@lastkey@text\abx@field@entrykey}}
    {}}

\def\blx@ibidtracker@strict{%
  \blx@ifcitesingle
    {\blx@ibidtracker@gobal}
    {\blx@ibidreset@gobal}}%

\def\blx@ibidtracker@constrict{%
  \blx@ifcitesingle
    {\blx@mpfnsave
     \blx@ibidtracker@context}
    {\blx@ibidreset@context}}%

\def\blx@ibidreset@force{%
  \global\undef\blx@lastkey@text
  \global\undef\blx@lastkey@foot
  \blx@mpfnreset}

\def\blx@ibidreset@gobal{%
  \global\undef\blx@lastkey@text}

\def\blx@ibidreset@context{%
  \iftoggle{blx@footnote}
    {\blx@mpfnreset
     \global\undef\blx@lastkey@foot}
    {\global\undef\blx@lastkey@text}}

\protected\appto\abx@savetrackers{%
  \global\let\blx@saved@lastkey@text\blx@lastkey@text
  \global\let\blx@saved@lastkey@foot\blx@lastkey@foot}

\protected\appto\abx@resttrackers{%
  \global\let\blx@lastkey@text\blx@saved@lastkey@text
  \global\let\blx@lastkey@foot\blx@saved@lastkey@foot}

\protected\appto\abx@cleartrackers{%
  \global\undef\blx@saved@lastkey@text
  \global\undef\blx@saved@lastkey@foot}

% idem tracker

\def\blx@idemtracker@gobal{%
  \ifbool{citetracker}
    {\global\let\blx@lasthash@text\abx@field@fullhash}
    {}}

\def\blx@idemtracker@context{%
  \ifbool{citetracker}
    {\iftoggle{blx@footnote}
       {\global\let\blx@lasthash@foot\abx@field@fullhash}
       {\global\let\blx@lasthash@text\abx@field@fullhash}}
    {}}

\def\blx@idemtracker@strict{%
  \blx@ifcitesingle
    {\blx@idemtracker@gobal}
    {\blx@idemreset@gobal}}%

\def\blx@idemtracker@constrict{%
  \blx@ifcitesingle
    {\blx@mpfnsave
     \blx@idemtracker@context}
    {\blx@idemreset@context}}%

\def\blx@idemreset@force{%
  \global\undef\blx@lasthash@text
  \global\undef\blx@lasthash@foot
  \blx@mpfnreset}

\def\blx@idemreset@gobal{%
  \global\undef\blx@lasthash@text}

\def\blx@idemreset@context{%
  \iftoggle{blx@footnote}
    {\blx@mpfnreset
     \global\undef\blx@lasthash@foot}
    {\global\undef\blx@lasthash@text}}

\protected\appto\abx@savetrackers{%
  \global\let\blx@saved@lasthash@text\blx@lasthash@text
  \global\let\blx@saved@lasthash@text\blx@lasthash@text}

\protected\appto\abx@resttrackers{%
  \global\let\blx@lasthash@text\blx@saved@lasthash@text
  \global\let\blx@lasthash@text\blx@saved@lasthash@text}

\protected\appto\abx@cleartrackers{%
  \global\undef\blx@saved@lasthash@text
  \global\undef\blx@saved@lasthash@foot}

% opcit tracker

\def\blx@opcittracker@gobal{%
  \ifbool{citetracker}
    {\blx@opcit@tracker{text}}
    {}}

\def\blx@opcittracker@context{%
  \ifbool{citetracker}
    {\iftoggle{blx@footnote}
       {\blx@opcit@tracker{foot}}
       {\blx@opcit@tracker{text}}}
    {}}

\def\blx@opcittracker@strict{%
  \blx@ifcitesingle
    {\blx@opcittracker@gobal}
    {\blx@opcitreset@gobal}}%

\def\blx@opcittracker@constrict{%
  \blx@ifcitesingle
    {\blx@mpfnsave
     \blx@opcittracker@context}
    {\blx@opcitreset@context}}%

\def\blx@opcit@tracker#1{%
  \blx@imc@iffieldundef{namehash}
    {}
    {\global\cslet{blx@lastkey@#1@\abx@field@namehash}\abx@field@entrykey
     \xifinlistcs\abx@field@namehash{blx@trackhash@#1}
       {}
       {\listcsxadd{blx@trackhash@#1}\abx@field@namehash}}}

\def\blx@opcit@reset#1{%
  \begingroup
  \def\do##1{\global\csundef{blx@lastkey@#1@##1}}%
  \dolistcsloop{blx@trackhash@#1}%
  \global\cslet{blx@trackhash@#1}\@empty
  \endgroup}

\def\blx@opcitreset@force{%
  \blx@opcit@reset{text}%
  \blx@opcit@reset{foot}%
  \blx@mpfnreset}

\def\blx@opcitreset@gobal{%
  \blx@opcit@reset{text}}

\def\blx@opcitreset@context{%
  \iftoggle{blx@footnote}
    {\blx@opcit@reset{foot}%
     \blx@mpfnreset}
    {\blx@opcit@reset{text}}}

\let\blx@trackhash@text\@empty
\let\blx@trackhash@foot\@empty

\protected\appto\abx@savetrackers{%
  \begingroup
  \def\do#1{\global\csletcs{blx@saved@lastkey@text@#1}{blx@lastkey@text@#1}}%
  \dolistloop\blx@trackhash@text
  \global\let\blx@saved@trackhash@text\blx@trackhash@text
  \def\do#1{\global\csletcs{blx@saved@lastkey@foot@#1}{blx@lastkey@foot@#1}}%
  \dolistloop\blx@trackhash@foot
  \global\let\blx@saved@trackhash@foot\blx@trackhash@foot
  \endgroup}

\protected\appto\abx@resttrackers{%
  \begingroup
  \blx@opcit@reset{text}%
  \global\let\blx@trackhash@text\blx@saved@trackhash@text
  \def\do#1{\global\csletcs{blx@lastkey@text@#1}{blx@saved@lastkey@text@#1}}%
  \dolistloop\blx@trackhash@text
  \blx@opcit@reset{foot}%
  \global\let\blx@trackhash@foot\blx@saved@trackhash@foot
  \def\do#1{\global\csletcs{blx@lastkey@foot@#1}{blx@saved@lastkey@foot@#1}}%
  \dolistloop\blx@trackhash@foot
  \endgroup}

\protected\appto\abx@cleartrackers{%
  \begingroup
  \def\do#1{\global\csundef{blx@saved@lastkey@text@#1}}%
  \dolistloop\blx@saved@trackhash@text
  \global\undef\blx@saved@trackhash@text
  \def\do#1{\global\csundef{blx@saved@lastkey@foot@#1}}%
  \dolistloop\blx@saved@trackhash@foot
  \global\undef\blx@saved@trackhash@foot
  \endgroup}

% loccit tracker

\def\blx@loccittracker@gobal{%
  \ifbool{citetracker}
    {\blx@loccit@tracker{text}}
    {}}

\def\blx@loccittracker@context{%
  \ifbool{citetracker}
    {\iftoggle{blx@footnote}
       {\blx@loccit@tracker{foot}}
       {\blx@loccit@tracker{text}}}
    {}}

\def\blx@loccittracker@strict{%
  \ifbool{citetracker}
    {\blx@loccit@stricttracker{text}}
    {}}

\def\blx@loccittracker@constrict{%
  \ifbool{citetracker}
    {\iftoggle{blx@footnote}
       {\blx@mpfnsave
        \blx@loccit@stricttracker{foot}}
       {\blx@loccit@stricttracker{text}}}
    {}}

\def\blx@loccit@tracker#1{%
  \global\csundef{blx@lastnote@#1@\abx@field@entrykey}%
  \blx@imc@iffieldundef{postnote}
    {}
    {\global\cslet{blx@lastnote@#1@\abx@field@entrykey}\abx@field@postnote
     \xifinlistcs\abx@field@entrykey{blx@trackkeys@#1}
       {}
       {\listcsxadd{blx@trackkeys@#1}\abx@field@entrykey}}}

\def\blx@loccit@stricttracker#1{%
  \global\csundef{blx@lastnote@#1@\abx@field@entrykey}%
  \blx@imc@iffieldundef{postnote}
    {}
    {\blx@ifcitesingle
       {\expandafter\blx@imc@ifpages
        \expandafter{\abx@field@postnote}
          {\global\cslet{blx@lastnote@#1@\abx@field@entrykey}\abx@field@postnote
           \xifinlistcs\abx@field@entrykey{blx@trackkeys@#1}
             {}
             {\listcsxadd{blx@trackkeys@#1}\abx@field@entrykey}}
          {}}
       {}}}

\def\blx@loccit@reset#1{%
  \begingroup
  \def\do##1{\global\csundef{blx@lastnote@#1@##1}}%
  \dolistcsloop{blx@trackkeys@#1}%
  \global\cslet{blx@trackkeys@#1}\@empty
  \endgroup}

\def\blx@loccitreset@force{%
  \blx@loccit@reset{text}%
  \blx@loccit@reset{foot}%
  \blx@mpfnreset}

\def\blx@loccitreset@gobal{%
  \blx@loccit@reset{text}}

\def\blx@loccitreset@context{%
  \iftoggle{blx@footnote}
    {\blx@loccit@reset{foot}%
     \blx@mpfnreset}
    {\blx@loccit@reset{text}}}

\let\blx@trackkeys@text\@empty
\let\blx@trackkeys@foot\@empty

\protected\appto\abx@savetrackers{%
  \begingroup
  \def\do#1{\global\csletcs{blx@saved@lastnote@text@#1}{blx@lastnote@text@#1}}%
  \dolistloop\blx@trackkeys@text
  \global\let\blx@saved@trackkeys@text\blx@trackkeys@text
  \def\do#1{\global\csletcs{blx@saved@lastnote@foot@#1}{blx@lastnote@foot@#1}}%
  \dolistloop\blx@trackkeys@foot
  \global\let\blx@saved@trackkeys@foot\blx@trackkeys@foot
  \endgroup}

\protected\appto\abx@resttrackers{%
  \begingroup
  \blx@loccit@reset{text}%
  \global\let\blx@trackkeys@text\blx@saved@trackkeys@text
  \def\do#1{\global\csletcs{blx@lastnote@text@#1}{blx@saved@lastnote@text@#1}}%
  \dolistloop\blx@trackkeys@text
  \blx@loccit@reset{foot}%
  \global\let\blx@trackkeys@foot\blx@saved@trackkeys@foot
  \def\do#1{\global\csletcs{blx@lastnote@foot@#1}{blx@saved@lastnote@foot@#1}}%
  \dolistloop\blx@trackkeys@foot
  \endgroup}

\protected\appto\abx@cleartrackers{%
  \begingroup
  \def\do#1{\global\csundef{blx@saved@lastnote@text@#1}}%
  \dolistloop\blx@saved@trackkeys@text
  \global\undef\blx@saved@trackkeys@text
  \def\do#1{\global\csundef{blx@saved@lastnote@foot@#1}}%
  \dolistloop\blx@saved@trackkeys@foot
  \global\undef\blx@saved@trackkeys@foot
  \endgroup}

\def\blx@addbackref#1{%
  \ifcsdef{blx@setp@\the\c@refsection @#1}
    {\ifcase\blx@backrefsetstyle
       \blx@addbackref@i{#1}%
     \or
       \blx@addbackref@ii{setp}{#1}%
     \or
       \blx@addbackref@i{#1}%
     \or
       \blx@addbackref@i{#1}%
     \or
       \blx@addbackref@i{#1}%
       \blx@addbackref@ii{setp}{#1}%
     \or
       \blx@addbackref@i{#1}%
       \blx@addbackref@ii{setp}{#1}%
     \fi}
    {\ifcsdef{blx@setc@\the\c@refsection @#1}
       {\ifcase\blx@backrefsetstyle
          \blx@addbackref@ii{setc}{#1}%
	\or
	  \blx@addbackref@i{#1}%
	\or
	  \blx@addbackref@i{#1}%
	\or
	  \blx@addbackref@i{#1}%
          \blx@addbackref@ii{setc}{#1}%
	\or
	  \blx@addbackref@i{#1}%
	\or
	  \blx@addbackref@i{#1}%
          \blx@addbackref@ii{setc}{#1}%
	\fi}
       {\blx@addbackref@i{#1}}}}

\def\blx@addbackref@i#1{%
  \ifbacktracker
    \blx@leavevmode
    \if@filesw
      \protected@write\@mainaux{}{\string\abx@aux@backref
	{\the\c@instcount}{#1}{\the\c@refsection}%
	{\thepage}{\noexpand\the\c@page}}%
    \fi
  \fi}

\def\blx@addbackref@ii#1#2{%
  \expandafter\expandafter\expandafter\forcsvlist
  \expandafter\expandafter\expandafter\blx@addbackref@i
  \expandafter\expandafter\expandafter{%
    \csname blx@#1@\the\c@refsection @#2\endcsname}}

% {<instcount>}{<entrykey>}{<refsection>}{<page>}{<page int>}

\protected\def\blx@aux@backref#1#2#3#4#5{%
  \ifcsundef{blx@pref@#3@\detokenize{#2}}
    {\global\cslet{blx@pref@#3@\detokenize{#2}}\@empty
     \expandafter\blx@onlypreamble\csname blx@pref@#3@\detokenize{#2}\endcsname}
    {}%
  \ifinlistcs{#4}{blx@pref@#3@\detokenize{#2}}
    {}
    {\listcsgadd{blx@pref@#3@\detokenize{#2}}{#4}}%
  \blx@addchecksum{#1}{#5}}

\AtEndDocument{%
  \def\abx@aux@backref#1#2#3#4#5{\blx@addchecksum{#1}{#5}}}

% {<true>}{<false>}

\def\blx@ifcitesingle{%
  \ifnum\c@citetotal=\@ne
    \expandafter\@firstoftwo
  \else
    \expandafter\@secondoftwo
  \fi}

%  hyperref interface

\appto\blx@mkhyperref{%
  \protected\def\blx@imc@bibhyperref{%
    \@ifnextchar[%]
      {\blx@bibhyperref}
      {\blx@bibhyperref[\abx@field@entrykey]}}%
  \ifundef\hyper@natanchorstart
    {\long\def\blx@bibhyperref[#1]#2{%
       \blx@sfsave\hyperlink{cite.\the\c@refsection @#1}{\blx@sfrest
         #2%
       \blx@sfsave}\blx@sfrest}%
     \protected\long\def\blx@imc@bibhyperlink#1#2{%
       \blx@sfsave\hyperlink{cite.\the\c@refsection:#1}{\blx@sfrest
	 #2%
       \blx@sfsave}\blx@sfrest}%
     \protected\long\def\blx@imc@bibhypertarget#1#2{%
       \blx@sfsave\hypertarget{cite.\the\c@refsection:#1}{\blx@sfrest
         #2%
       \blx@sfsave}\blx@sfrest}}%
    {\long\def\blx@bibhyperref[#1]#2{%
       \blx@sfsave\hyper@natlinkstart{\the\c@refsection @#1}\blx@sfrest
       #2%
       \blx@sfsave\hyper@natlinkend\blx@sfrest}%
     \protected\long\def\blx@imc@bibhyperlink#1#2{%
       \blx@sfsave\hyper@natlinkstart{\the\c@refsection:#1}\blx@sfrest
       #2%
       \blx@sfsave\hyper@natlinkend\blx@sfrest}%
     \protected\long\def\blx@imc@bibhypertarget#1#2{%
       \blx@sfsave\hyper@natanchorstart{\the\c@refsection:#1}\blx@sfrest
       #2%
       \blx@sfsave\hyper@natanchorend\blx@sfrest}}
  \let\blx@imc@ifhyperref\@firstoftwo
  \def\blx@sf{\spacefactor}%
  \def\blx@sfsave{%
    \blx@leavevmode
    \numgdef\blx@sf{\spacefactor}}%
  \def\blx@sfrest{%
    \ifhmode\spacefactor\blx@sf\relax\fi
    \gdef\blx@sf{\spacefactor}}}

\appto\blx@mknohyperref{%
  \protected\def\blx@imc@bibhyperref{\@ifnextchar[\blx@nohyperref\@firstofone}%
  \def\blx@nohyperref[#1]#2{#2}%
  \let\blx@imc@bibhyperlink\@secondoftwo
  \let\blx@imc@bibhypertarget\@secondoftwo
  \let\blx@imc@ifhyperref\@secondoftwo}

\blx@regimcs{%
  \bibhyperref \bibhyperlink \bibhypertarget \ifhyperref}

% {<entrykey>,...}

\protected\def\nocite#{\blx@nocite}

\def\blx@nocite#1{%
  \@bsphack
  \AfterPreamble{%
    \iftoggle{blx@bibliography}
      {}
      {\ifstrequal{*}{#1}
	 {\blx@citation@all}
	 {\blx@xsanitizeafter{\forcsvlist\blx@nocite@do}{#1}}}}%
  \@esphack}

\def\blx@nocite@do#1{\blx@citation{#1}\blx@msg@cundef}

% {<macro>}[<arg1>][<arg2>]{<arg3>}
% => <macro>{<arg1>}{<arg2>}{<arg3>}

\protected\def\blx@citeargs#1{%
  \@ifnextchar[%]
    {\blx@citeargs@i{#1}}
    {\blx@citeargs@iii{#1{}{}}}}
\long\def\blx@citeargs@i#1[#2]{%
  \@ifnextchar[%]
    {\blx@citeargs@ii{#1{#2}}}
    {\blx@citeargs@iii{#1{}{#2}}}}
\long\def\blx@citeargs@ii#1[#2]{%
  \blx@citeargs@iii{#1{#2}}}
\long\def\blx@citeargs@iii#1#2{%
  \blx@xsanitizeafter{#1}{#2}}

% {<macro>}(<arg1>)(<arg2>)
% => <macro>{<arg1>}{<arg2>}

\protected\def\blx@multiargs#1{%
  \@ifnextchar(%)
    {\blx@multiargs@i{#1}}
    {#1{}{}}}
\long\def\blx@multiargs@i#1(#2){%
  \@ifnextchar(%)
    {\blx@multiargs@ii{#1{#2}}}
    {#1{}{#2}}}
\long\def\blx@multiargs@ii#1(#2){#1{#2}}

% {<macro>}[<arg1>][<arg2>]{<arg3>}<punct>
% => <macro>{<arg1>}{<arg2>}{<arg3>}{<punctcmd>}

\protected\def\blx@citepunct#1{%
  \blx@citeargs{\blx@citepunct@i{#1}}}
\long\def\blx@citepunct@i#1#2#3#4{%
  \blx@thecheckpunct{#1{#2}{#3}{#4}}}

% {<csname>}[<arg1>][<arg2>]{arg3}[arg4]{arg5}<punct>
% => <macro>{<arg1>}{<arg2>}{<arg3>}{<arg4>}{arg5}{<punctcmd>}

\protected\def\blx@citexpunct#1{%
  \blx@citeargs{\blx@citexpunct@i{#1}}}
\long\def\blx@citexpunct@i#1#2#3#4{%
  \@ifnextchar[%]
    {\blx@citexpunct@ii{#1}{{#2}{#3}{#4}}}
    {\blx@citexpunct@ii{#1}{{#2}{#3}{#4}}[#1]}}
\long\def\blx@citexpunct@ii#1#2[#3]#4{%
  \blx@thecheckpunct{\blxcitecmd{#1}#2{#3}{#4}}}

% {<code>}<punct> => <code>{<punctcmd>}

\long\def\blx@checkpunct#1{%
  \begingroup
  \def\blx@tempa{\endgroup#1}%
  \futurelet\blx@tempb\blx@checkpunct@i}
\def\blx@checkpunct@i{%
  \expandafter\blx@checkpunct@ii\blx@autopunct&}
\def\blx@checkpunct@ii#1{%
  \ifx#1&%
    \expandafter\blx@checkpunct@iii
  \fi
  \ifx#1\blx@tempb
    \expandafter\blx@checkpunct@iv
  \fi
  \blx@checkpunct@ii}
\def\blx@checkpunct@iii#1\blx@checkpunct@ii{%
  \blx@tempa{\blx@postpunct}}
\def\blx@checkpunct@iv#1\blx@checkpunct@ii#2&#3{%
  \edef\blx@tempa{%
    \expandonce\blx@tempa{%
    \ifcsdef{blx@pm@\detokenize{#3}}
      {\csname blx@imc@add\csname blx@pm@\detokenize{#3}\endcsname
       \endcsname}
      {\noexpand#3}}}%
  \blx@tempa}

\long\def\blx@nocheckpunct#1{#1{}}

\protected\def\blx@citeinit{%
  \iftoggle{blx@bibliography}
    {}
    {\toggletrue{blx@citation}}%
  \blx@blxinit
  \citesetup
  \blx@setsfcodes
  \blx@postpunct@agroup
  \blx@resetdata
  \blx@leavevmode
  \csuse{blx@hook@cite}%
  \csuse{blx@hook@cite@next}%
  \let\blx@citeinit\blx@resetdata}

\protected\def\blx@citecmdinit{%
  \blx@leavevmode@cite
  \iftoggle{blx@bibliography}
    {}
    {\blx@initunit}}

% *{<command>}[<wrapper>]{<precode>}{<loopcode>}{<delimcode>}{<postcode>}

\newrobustcmd*{\DeclareCiteCommand}{%
  \@ifstar{\blx@defcitecmd*}{\blx@defcitecmd{}}}

\def\blx@defcitecmd#1#2{%
  \begingroup
  \escapechar\m@ne
  \edef\blx@tempa{\endgroup
    \noexpand\blx@defcitecmd@i{#1}{\string#2}}%
  \blx@tempa}

\def\blx@defcitecmd@i#1#2{%
  \blx@checkcitecmd{#2}{#1}%
  \protected\csedef{#2}{%
    \blx@citecmdinit
    \noexpand\@ifstar
      {\blx@citepunct{\blxcitecmd{#2*}}}
      {\blx@citepunct{\blxcitecmd{#2}}}}%
  \@ifnextchar[%]
    {\blx@defcitecmd@iii{#2#1}}
    {\blx@defcitecmd@ii{#2#1}}}

\long\def\blx@defcitecmd@ii#1{%
  \protected\csedef{blx@cite@#1}{\blxciteicmd{#1}}%
  \blx@defcitecmd@iv{#1}}

\long\def\blx@defcitecmd@iii#1[#2]{%
  \protected\long\csedef{blx@cite@#1}##1##2##3##4{%
    \begingroup
    \blx@citeinit
    \unexpanded{#2}{\blxciteicmd{#1}{##1}{##2}{##3}{}}%
    ##4\endgroup}%
  \blx@defcitecmd@iv{#1}}

\long\def\blx@defcitecmd@iv#1#2#3#4#5{%
  \protected\long\csdef{blx@citei@#1}##1##2##3##4{%
    \ifblank{##1}
      {}
      {\def\abx@field@prenote{##1}}%
    \ifblank{##2}
      {\let\blx@thenotecheck\relax}
      {\def\abx@field@postnote{##2}}%
    \def\blx@precode{#2}%
    \def\blx@loopcode{#3}%
    \def\blx@dlimcode{#4}%
    \def\blx@postcode{#5##4}%
    \blx@citeloop{##3}%
    \endgroup}}

% {<type>}{<name>}{*}

\def\blx@checkcitecmd#1#2{%
  \ifblank{#2}
    {\ifcsdef{blx@cite@#1}
       {\blx@info{Redefining '\@backslashchar#1'}}
       {\ifcsundef{#1}
          {}
          {\blx@warning@noline{Redefining '\@backslashchar#1'}}}%
     \ifcsdef{blx@cite@#1*}
       {}
       {\csedef{blx@cite@#1*}{%
          \expandafter\noexpand\csname blx@cite@#1\endcsname}%
        \csedef{blx@citei@#1*}{%
          \expandafter\noexpand\csname blx@citei@#1\endcsname}}}
    {\ifcsdef{blx@cite@#1}
       {}
       {\csdef{blx@cite@#1}{\blx@err@citecmd{#1}}%
        \csdef{blx@citei@#1}{\blx@err@citecmd{#1}}}}}

% {<name>}{prenote}{postnote}{citekey}{punct}

\newrobustcmd*{\blxcitecmd}[1]{%
  \ifcsundef{blx@cite@#1}
    {\blx@err@citecmd{#1}}
    {\csuse{blx@cite@#1}}}

\newrobustcmd*{\blxciteicmd}[1]{%
  \begingroup
  \blx@citeinit
  \ifcsundef{blx@citei@#1}
    {\blx@err@citecmd{#1}}
    {\csuse{blx@citei@#1}}}

% {<multicitecount>}{<name>}{prenote}{postnote}{citekey}{punct}

\protected\def\blxmciteicmd#1{%
  \c@multicitecount#1\relax
  \blxciteicmd}

% {<multicitetotal>}{<multiprenote>}{<multipostnote>}

\protected\def\blxmcites#1#2#3{%
  \begingroup
  \blx@citeinit
  \c@multicitecount\z@
  \c@multicitetotal#1\relax
  \ifnum\c@multicitetotal>\@ne
    \let\blx@ifcitesingle\@secondoftwo
  \fi
  \ifblank{#2}%
    {}
    {\def\abx@field@multiprenote{#2}}%
  \ifblank{#3}%
    {}
    {\def\abx@field@multipostnote{#3}}%
  \usebibmacro{multiprenote}}

\protected\def\blxendmcites{%
  \usebibmacro{multipostnote}%
  \endgroup}

% {<command>}[<wrapper>]{<cite>}{<delimiter>}

\newrobustcmd{\DeclareMultiCiteCommand}[1]{%
  \ifundef#1%
    {}
    {\blx@info{Redefining '\string#1'}}%
  \@ifnextchar[%]
    {\blx@defmcitecmd{#1}}
    {\blx@defmcitecmd{#1}[\@firstofone]}}

\def\blx@defmcitecmd#1[#2]#3#4{%
  \begingroup
  \escapechar\m@ne
  \edef\blx@tempa{\endgroup
    \protected\def\noexpand#1{%
      \blx@citecmdinit
      \noexpand\@ifstar
        {\expandafter\noexpand
         \csname blx@mcite@\string#1\endcsname*%
         \expandafter\noexpand
         \csname blx@mcitei@\string#1\endcsname}
        {\expandafter\noexpand
         \csname blx@mcite@\string#1\endcsname{}%
         \expandafter\noexpand
         \csname blx@mcitei@\string#1\endcsname}}%
    \protected\csdef{blx@mcite@\string#1}####1####2{%
      \begingroup
      \blx@citeinit
      \noexpand\blx@multicite
        ####2%
        {\unexpanded{#2}}%
        {\string#3####1}%
        {\unexpanded{#4}}}%
    \protected\long\csdef{blx@mcitei@\string#1}}%
  \blx@tempa##1##2##3{##1{##2}##3\endgroup}}

% {<command>}{<wrapper>}{<citecmd>}{<delimiter>} =>
%  <init><command>{<wrapper>}{<cites>}{<punct>}

\def\blx@multicite#1#2#3#4{%
  \begingroup
  \def\blx@tempa{#1}%
  \def\blx@tempb{#2}%
  \def\blx@tempc{#3}%
  \def\blx@tempd{#4}%
  \c@multicitetotal\z@
  \blx@multiargs\blx@multicite@i}

\def\blx@multicite@i#1#2{%
  \ifblank{#1}%
    {\let\abx@field@multiprenote\@empty}%
    {\def\abx@field@multiprenote{#1}}%
  \ifblank{#2}%
    {\let\abx@field@multipostnote\@empty}%
    {\def\abx@field@multipostnote{#2}}%
  \let\blx@tempe\@empty
  \let\blx@tempf\@empty
  \togglefalse{blx@tempa}%
  \blx@multiparse}

\def\blx@multicite@add#1#2#3{%
  \togglefalse{blx@tempa}%
  \advance\c@multicitetotal\@ne
  \eappto\blx@tempe{%
    \expandonce\blx@tempf
    \blxmciteicmd{\the\c@multicitetotal}%
    {\expandonce\blx@tempc}\unexpanded{{#1}{#2}{#3}}{}}%
  \let\blx@tempf\blx@tempd
  \blx@multiparse}

\def\blx@multicite@end#1{%
  \edef\blx@tempa{\endgroup
    \expandonce\blx@tempa
      {\expandonce\blx@tempb}%
      {\blxmcites
         {\the\c@multicitetotal}%
         {\expandonce\abx@field@multiprenote}%
         {\expandonce\abx@field@multipostnote}%
       \expandonce\blx@tempe
       \blxendmcites}%
      {#1}%
    \iftoggle{blx@tempa}{\relax\space}{}}%
  \blx@tempa}

\def\blx@multiparse{%
  \futurelet\@let@token\blx@multiparse@i}

\def\blx@multiparse@i{%
  \ifx\@let@token\relax
    \blx@multiparse@ii{\blx@multicite@end{}}%
  \fi
  \ifx\@let@token[%]
    \blx@multiparse@ii{\blx@citeargs\blx@multicite@add}%
  \fi
  \ifx\@let@token\bgroup
    \blx@multiparse@ii{\blx@citeargs\blx@multicite@add}%
  \fi
  \ifx\@let@token\@sptoken
    \blx@multiparse@ii\blx@multiparse@iii
  \fi
  \iftrue
    \iftoggle{blx@tempa}
      {\blx@multiparse@ii{\blx@multicite@end{}}}
      {\blx@multiparse@ii{\blx@thecheckpunct\blx@multicite@end}}%
  \fi
  &}

\def\blx@multiparse@ii#1#2&{\fi#1}
\csdef{blx@multiparse@iii} {\toggletrue{blx@tempa}\blx@multiparse}

% {<name>}[l|i|r]{<cite>}{<multicite>}

\newrobustcmd*{\DeclareAutoCiteCommand}[1]{%
  \ifcsundef{blx@acite@#1}
    {}
    {\blx@info{Redefining autocite command '#1'}}%
  \@ifnextchar[%]
    {\blx@defautocmd@i{#1}}
    {\blx@defautocmd@i{#1}[r]}}

\def\blx@defautocmd@i#1[#2]#3#4{%
  \begingroup
  \escapechar\m@ne
  \edef\blx@tempa{\endgroup
    \noexpand\blx@defautocmd@ii{#1}{#2}%
      {\string#3}{\string#4}}%
  \blx@tempa}

\def\blx@defautocmd@ii#1#2#3#4{%
  \protected\csedef{blx@acite@#1}{%
    \blx@citecmdinit
    \noexpand\@ifstar
      {\blx@citepunct{\expandafter\noexpand
       \csname blx@acitei@#1\endcsname*}}
      {\blx@citepunct{\expandafter\noexpand
       \csname blx@acitei@#1\endcsname{}}}}%
  \csedef{blx@acitei@#1}##1##2##3##4##5{%
    \begingroup
    \blx@citeinit
    \if l#2\unspace##5\fi
    \blxcitecmd{#3##1}{##2}{##3}{##4}{}%
    \if r#2##5\fi
    \endgroup}%
  \protected\csedef{blx@macite@#1}{%
    \blx@citecmdinit
    \noexpand\@ifstar
      {\expandafter\noexpand
       \csname blx@mcite@#4\endcsname*%
       \expandafter\noexpand
       \csname blx@macitei@#1\endcsname}
      {\expandafter\noexpand
       \csname blx@mcite@#4\endcsname{}%
       \expandafter\noexpand
       \csname blx@macitei@#1\endcsname}}%
  \csedef{blx@macitei@#1}##1##2##3{%
    \if l#2\unspace##3\fi
    ##1{##2}%
    \if r#2##3\fi
    \endgroup}}

% {<characters>}

\newrobustcmd*{\DeclareAutoPunctuation}[1]{%
  \ifblank{#1}
    {\let\blx@thecheckpunct\blx@nocheckpunct}
    {\let\blx@thecheckpunct\blx@checkpunct
     \def\blx@autopunct{#1}}}

\AfterEndPreamble{% babel
  \begingroup
  \makeatletter
  \scantokens\expandafter{%
    \expandafter\gdef
    \expandafter\blx@autopunct
    \expandafter{\blx@autopunct}}%
  \endgroup}

% [<prenote>][<postnote>]{<entrykey>,...}[<format>]{<namelist>}<punct>

\newrobustcmd*{\citename}{\blx@citexpunct{citename}}
\long\csdef{blx@cite@citename}#1#2#3#4#5#6{%
  \begingroup
  \blx@citecmdinit
  \blx@citeinit
  \ifblank{#1}
    {}
    {\def\abx@field@prenote{#1}}%
  \ifblank{#2}
    {\let\blx@thenotecheck\relax}
    {\def\abx@field@postnote{#2}}%
  \def\blx@precode{\usebibmacro{prenote}}%
  \def\blx@loopcode{%
    \ifnameundef{#5}
      {\blx@warning@entry{'#5' undefined or not a name list}%
       \abx@missing{#5}}
      {\printnames[#4]{#5}}}%
  \def\blx@dlimcode{\multicitedelim}%
  \ifblank{#2}
    {\def\blx@postcode{#6}}
    {\def\blx@postcode{\usebibmacro{postnote}#6}}%
  \boolfalse{citetracker}%
  \boolfalse{pagetracker}%
  \blx@citeloop{#3}%
  \endgroup}

% [<prenote>][<postnote>]{<entrykey>,...}[<format>]{<list>}<punct>

\newrobustcmd*{\citelist}{\blx@citexpunct{citelist}}
\long\csdef{blx@cite@citelist}#1#2#3#4#5#6{%
  \begingroup
  \blx@citecmdinit
  \blx@citeinit
  \ifblank{#1}
    {}
    {\def\abx@field@prenote{#1}}%
  \ifblank{#2}
    {\let\blx@thenotecheck\relax}
    {\def\abx@field@postnote{#2}}%
  \def\blx@precode{\usebibmacro{prenote}}%
  \def\blx@loopcode{%
    \iflistundef{#5}
      {\blx@warning@entry{'#5' undefined or not a literal list}%
       \abx@missing{#5}}
      {\printlist[#4]{#5}}}%
  \def\blx@dlimcode{\multicitedelim}%
  \ifblank{#2}
    {\def\blx@postcode{#6}}
    {\def\blx@postcode{\usebibmacro{postnote}#6}}%
  \boolfalse{citetracker}%
  \boolfalse{pagetracker}%
  \blx@citeloop{#3}%
  \endgroup}

% [<prenote>][<postnote>]{<entrykey>,...}[<format>]{<field>}<punct>

\newrobustcmd*{\citefield}{\blx@citexpunct{citefield}}
\long\csdef{blx@cite@citefield}#1#2#3#4#5#6{%
  \begingroup
  \blx@citecmdinit
  \blx@citeinit
  \ifblank{#1}
    {}
    {\def\abx@field@prenote{#1}}%
  \ifblank{#2}
    {\let\blx@thenotecheck\relax}
    {\def\abx@field@postnote{#2}}%
  \def\blx@precode{\usebibmacro{prenote}}%
  \def\blx@loopcode{%
    \iffieldundef{#5}
      {\blx@warning@entry{'#5' undefined or not a field}%
       \abx@missing{#5}}
      {\printfield[#4]{#5}}}%
  \def\blx@dlimcode{\multicitedelim}%
  \ifblank{#2}
    {\def\blx@postcode{#6}}
    {\def\blx@postcode{\usebibmacro{postnote}#6}}%
  \boolfalse{citetracker}%
  \boolfalse{pagetracker}%
  \blx@citeloop{#3}%
  \endgroup}

\renewrobustcmd*{\cite}{\blx@err@citecmd\cite}
\let\blx@cite@cite\relax
\newrobustcmd*{\parencite}{\blx@warn@citecmd\parencite\cite}
\let\blx@cite@parencite\relax
\newrobustcmd*{\footcite}{\blx@warn@citecmd\footcite\cite}
\let\blx@cite@footcite\relax
\newrobustcmd*{\footcitetext}{\blx@warn@citecmd\footcitetext\cite}
\let\blx@cite@footcitetext\relax
\newrobustcmd*{\textcite}{\blx@warn@citecmd\textcite\cite}
\let\blx@cite@textcite\relax
\newrobustcmd*{\supercite}{\blx@warn@citecmd\supercite\cite}
\let\blx@cite@supercite\relax

%% ifthen interface

\def\blx@TE#1#2{%
  \TE@throw
  \unexpanded{%
    \iftrue\@nameuse{fi}%
    #1{\@nameuse{iftrue}}{\@nameuse{iffalse}}}#2}

\def\blx@xTE#1#2{%
  \TE@throw
  \unexpanded{\iftrue\@nameuse{fi}}%
  #1\unexpanded{{\@nameuse{iftrue}}{\@nameuse{iffalse}}}#2}

\let\blx@TE@hook\@empty

\appto\blx@blxinit{%
  \appto\blx@TE@hook{%
    \def\ifhyperref{\blx@TE\blx@imc@ifhyperref}%
    \def\ifmorenames{\blx@TE\blx@imc@ifmorenames}%
    \def\ifmoreitems{\blx@TE\blx@imc@ifmoreitems}%
    \def\ifciteseen{\blx@TE\blx@imc@ifciteseen}%
    \def\ifentryseen{\blx@TE\blx@imc@ifentryseen}%
    \def\ifciteibid{\blx@TE\blx@imc@ifciteibid}%
    \def\ifciteidem{\blx@TE\blx@imc@ifciteidem}%
    \def\ifopcit{\blx@TE\blx@imc@ifopcit}%
    \def\ifloccit{\blx@TE\blx@imc@ifloccit}%
    \def\ifsamepage{\blx@TE\blx@imc@ifsamepage}%
    \def\iffirstonpage{\blx@TE\blx@imc@iffirstonpage}%
    \def\ifcurrentfield#1{\blx@TE{\blx@imc@ifcurrentfield{#1}}}%
    \def\ifcurrentlist#1{\blx@TE{\blx@imc@ifcurrentlist{#1}}}%
    \def\ifcurrentname#1{\blx@TE{\blx@imc@ifcurrentname{#1}}}%
    \def\ifentrytype#1{\blx@TE{\blx@imc@ifentrytype{#1}}}%
    \def\iffieldequalcs#1#2{\blx@TE{\blx@imc@iffieldequalcs{#1}{#2}}}%
    \def\iffieldequals#1#2{\blx@TE{\blx@imc@iffieldequals{#1}{#2}}}%
    \def\iffieldequalstr#1#2{\blx@TE{\blx@imc@iffieldequalstr{#1}{#2}}}%
    \def\iffieldsequal#1#2{\blx@TE{\blx@imc@iffieldsequal{#1}{#2}}}%
    \def\iffieldundef#1{\blx@TE{\blx@imc@iffieldundef{#1}}}%
    \def\ifnameequalcs#1#2{\blx@TE{\blx@imc@ifnameequalcs{#1}{#2}}}%
    \def\ifnameequals#1#2{\blx@TE{\blx@imc@ifnameequals{#1}{#2}}}%
    \def\ifnamesequal#1#2{\blx@TE{\blx@imc@ifnamesequal{#1}{#2}}}%
    \def\ifnameundef#1{\blx@TE{\blx@imc@ifnameundef{#1}}}%
    \def\ifcapital{\blx@TE\blx@imc@ifcapital}%
    \def\ifinteger#1{\blx@TE{\blx@imc@ifinteger{#1}}}%
    \def\iffieldint#1{\blx@TE{\blx@imc@iffieldint{#1}}}%
    \def\ifnumeral#1{\blx@TE{\blx@imc@ifnumeral{#1}}}%
    \def\ifnumerals#1{\blx@TE{\blx@imc@ifnumerals{#1}}}%
    \def\ifpages#1{\blx@TE{\blx@imc@ifpages{#1}}}%
    \def\iffieldnum#1{\blx@TE{\blx@imc@iffieldnum{#1}}}%
    \def\iffieldnums#1{\blx@TE{\blx@imc@iffieldnums{#1}}}%
    \def\iffieldpages#1{\blx@TE{\blx@imc@iffieldpages{#1}}}%
    \def\ifbibstring#1{\blx@TE{\blx@imc@ifbibstring{#1}}}%
    \def\iffieldbibstring#1{\blx@TE{\blx@imc@iffieldbibstring{#1}}}%
    \def\ifnatbibmode{\blx@TE{\iftoggle{blx@natbib}}}%
    \def\ifcitation{\blx@TE{\iftoggle{blx@citation}}}%
    \def\ifbibliography{\blx@TE{\iftoggle{blx@bibliography}}}%
    \def\ifciteindex{\blx@TE{\iftoggle{blx@citeindex}}}%
    \def\ifbibindex{\blx@TE{\iftoggle{blx@bibindex}}}%
    \def\iffootnote{\blx@TE{\iftoggle{blx@footnote}}}%
    \def\ifuseprefix{\blx@TE{\iftoggle{blx@useprefix}}}%
    \def\ifuseauthor{\blx@TE{\iftoggle{blx@useauthor}}}%
    \def\ifuseeditor{\blx@TE{\iftoggle{blx@useeditor}}}%
    \def\ifusetranslator{\blx@TE{\iftoggle{blx@usetranslator}}}%
    \def\iffirstinits{\blx@TE{\iftoggle{blx@firstinits}}}%
    \def\ifsingletitle{\blx@TE{\iftoggle{abx@bool@singletitle}}}%
    \def\ifandothers#1{\blx@TE{\iftoggle{abx@bool@more#1}}}}}

% {<listmacro>}{<filtercsname>} => matches in <listmacro>

\protected\def\blx@bibfilter#1#2{%
  \begingroup
  \edef\blx@do##1{%
    \def\noexpand\blx@flt@item{##1}%
    \ifboolexpr{\csexpandonce{#2}}%
      {\listadd\noexpand\blx@tempa{##1}}%
      {}}%
  \let\blx@done\relax
  \edef\blx@tempa{%
    \let\noexpand\blx@tempa\noexpand\@empty
    \blx@listloop{#1}}%
  \blx@tempa
  \edef\blx@tempa{\endgroup
    \def\noexpand#1{\blx@tempa}}%
  \blx@tempa}

%% Auxiliary macros

\newrobustcmd*{\mkbibquote}{\enquote}
\protected\def\blx@imc@mkbibquote{%
  \blx@ifuspunct\blx@usquote\enquote}

\def\blx@usquote{%
  \ifnum\@quotelevel>\z@
    \expandafter\blx@usiquote
  \else
    \expandafter\blx@usoquote
  \fi}

\long\def\blx@usoquote#1{%
  \begingroup
  \initoquote
  \textooquote#1%
  \blx@imc@ifterm
    {\textcoquote\endgroup}
    {\futurelet\@let@token\blx@usoquote@i}}

\def\blx@usoquote@i{%
  \blx@usqcheck
    {\ifx\blx@postpunct\@empty\else\blx@dopostpunct\fi
     \textcoquote\endgroup}
    {\blx@setpostpunct\textcoquote\endgroup}}

\long\def\blx@usiquote#1{%
  \begingroup
  \initiquote
  \textoiquote#1%
  \blx@imc@ifterm
    {\textciquote\endgroup}
    {\futurelet\@let@token\blx@usiquote@i}}

\def\blx@usiquote@i{%
  \blx@usqcheck
    {\textciquote\endgroup}
    {\blx@setpostpunct\textciquote\endgroup}}

\def\blx@usqcheck#1#2{%
  \def\blx@tempa{#1}%
  \def\blx@tempb{#2}%
  \ifx\@let@token\space
    \blx@usqcheck@i\blx@tempa
  \fi
  \ifx\@let@token\@sptoken
    \blx@usqcheck@i\blx@tempa
  \fi
  \if\noexpand\@let@token\relax
    \blx@usqcheck@i\blx@tempb
  \fi
  \expandafter\blx@usqcheck@ii\blx@quotepunct\relax&}

\def\blx@usqcheck@i#1#2&{\fi#1}

\def\blx@usqcheck@ii#1{%
  \if\noexpand#1\relax
    \blx@usqcheck@i\blx@tempa
  \fi
  \if\noexpand#1\noexpand\@let@token
    \blx@usqcheck@i{\blx@usqcheck@iii\blx@tempa}%
  \fi
  \blx@usqcheck@ii}

\def\blx@usqcheck@iii#1#2{#2#1}

\newrobustcmd*{\mkbibemph}{\emph}
\protected\long\def\blx@imc@mkbibemph#1{%
  \emph{#1}\blx@imc@setpunctfont\emph}

\newrobustcmd*{\mkbibbold}{\textbf}
\protected\long\def\blx@imc@mkbibbold#1{%
  \textbf{#1}\blx@imc@setpunctfont\textbf}

\blx@regimcs{\mkbibquote \mkbibemph \mkbibbold}

\newcommand*{\bibleftparen}{\blx@postpunct(}
\newcommand*{\bibrightparen}{\blx@postpunct)\midsentence}
\newcommand*{\bibleftbracket}{\blx@postpunct[}
\newcommand*{\bibrightbracket}{\blx@postpunct]\midsentence}

\def\blx@parenlevel{%
  \iftoggle{blx@footnote}
    {\blx@parenlevel@foot}
    {\blx@parenlevel@text}}

\newrobustcmd*{\blx@bibopenparen}{%
  \blx@opencheck\bibopenparen
  \blx@postpunct
  \ifnum\blx@parenlevel=\z@
    \global\blx@parenlevel\@ne
    \global\c@parenlevel\@ne
    \expandafter\bibleftparen
  \else
    \expandafter\blx@openparen
  \fi}

\newrobustcmd*{\blx@bibopenbracket}{%
  \blx@opencheck\bibopenbracket
  \blx@postpunct
  \ifnum\blx@parenlevel=\z@
    \global\blx@parenlevel1002
    \global\c@parenlevel\@ne
    \expandafter\bibleftbracket
  \else
    \expandafter\blx@openparen
  \fi}

\newrobustcmd*{\blx@bibcloseparen}{%
  \blx@closecheck\bibcloseparen
  \blx@postpunct\blx@closeparen}

\newrobustcmd*{\blx@bibclosebracket}{%
  \blx@closecheck\bibclosebracket
  \blx@postpunct\blx@closeparen}

\def\blx@openparen{%
  \ifodd\blx@parenlevel
    \global\advance\blx@parenlevel\@ne
    \global\advance\c@parenlevel\@ne
    \expandafter\bibleftbracket
  \else
    \global\advance\blx@parenlevel\@ne
    \global\advance\c@parenlevel\@ne
    \expandafter\bibleftparen
  \fi}

\def\blx@closeparen{%
  \ifodd\blx@parenlevel
    \blx@closeparen@i
    \expandafter\bibrightparen
  \else
    \blx@closeparen@i
    \expandafter\bibrightbracket
  \fi}

\def\blx@closeparen@i{%
  \ifnum\blx@parenlevel=1002
    \global\blx@parenlevel\z@
    \global\c@parenlevel\z@
  \else
    \global\advance\blx@parenlevel\m@ne
    \global\advance\c@parenlevel\m@ne
  \fi}

\def\blx@opencheck#1{%
  \ifnum\numexpr\blx@parenlevel+\@ne
    \ifnum\blx@parenlevel>\@m -1001\fi
  >\c@maxparens
    \blx@err@nestparen{\string#1}%
    \blx@errormark
  \fi}

\def\blx@closecheck#1{%
  \ifnum\numexpr\blx@parenlevel
    \ifnum\blx@parenlevel>\@m -1001\fi
  >\c@maxparens
    \blx@err@nestparen{\string#1}%
    \blx@errormark
  \fi
  \ifnum\blx@parenlevel<\@ne
    \blx@err@matchparen{Unmatched \string#1}%
    \blx@errormark
  \fi}

\protected\def\blx@errormark{%
  \rule[0.25ex]{1.25ex}{1.25ex}}

\AtEndDocument{%
  \unless\ifnum\blx@parenlevel@text=\z@
    \blx@err@matchparen{%
      Unbalanced parentheses or brackets in the document body}%
  \fi
  \unless\ifnum\blx@parenlevel@foot=\z@
    \blx@err@matchparen{%
      Unbalanced parentheses or brackets in a foot or endnote}%
  \fi}

\newrobustcmd{\mkbibparens}[1]{%
  \begingroup
  \blx@blxinit
  \blx@setsfcodes
  \bibopenparen#1\bibcloseparen
  \endgroup}

\newrobustcmd{\mkbibbrackets}[1]{%
  \begingroup
  \blx@blxinit
  \blx@setsfcodes
  \bibopenbracket#1\bibclosebracket
  \endgroup}

\newrobustcmd*{\parentext}{\mkbibparens}
\newrobustcmd*{\brackettext}{\mkbibbrackets}

\newrobustcmd{\mkbibsuperscript}[1]{%
  \unspace\allowhyphens\textsuperscript{%
    \begingroup
    \protected\long\def\mkbibsuperscript##1{%
      \blx@warning{Nested superscript}%
      \mkbibbrackets{##1}}%
    #1\endgroup}}

\newrobustcmd{\mkbibfootnote}{\blx@mkbibfootnote{}}
\newrobustcmd{\mkbibfootnotetext}{\blx@mkbibfootnote{text}}
\newrobustcmd{\blx@mkbibfootnote}[2]{%
  \iftoggle{blx@footnote}
    {\blx@warning{Nested notes}%
     \addspace\mkbibparens{#1}}
    {\unspace
     \ifnum\blx@notetype=\tw@
       \expandafter\@firstoftwo
     \else
       \expandafter\@secondoftwo
     \fi
       {\csuse{blx@theendnote#1}{\protecting{\blxmkbibnote{end}{#2}}}}
       {\csuse{footnote#1}{\protecting{\blxmkbibnote{foot}{#2}}}}}}

\newrobustcmd{\mkbibendnote}{\blx@mkbibendnote{}}
\newrobustcmd{\mkbibendnotetext}{\blx@mkbibendnote{text}}
\newrobustcmd{\blx@mkbibendnote}[2]{%
  \iftoggle{blx@footnote}
    {\blx@warning{Nested notes}%
     \addspace\mkbibparens{#1}}
    {\unspace
     \ifnum\blx@notetype=\@ne
       \expandafter\@firstoftwo
     \else
       \expandafter\@secondoftwo
     \fi
       {\csuse{footnote#1}{\protecting{\blxmkbibnote{foot}{#2}}}}
       {\csuse{blx@theendnote#1}{\protecting{\blxmkbibnote{end}{#2}}}}}}

\newrobustcmd{\blxmkbibnote}[2]{%
  \begingroup
  \blx@blxinit
  \blx@setsfcodes
  \blx@postpunct@agroup
  \toggletrue{blx@footnote}%
  \csuse{bib#1notewrapper}{#2}%
  \endgroup}

\newcommand{\bibfootnotewrapper}[1]{%
  \bibsentence#1\addperiod}

\newcommand{\bibendnotewrapper}[1]{%
  \bibsentence#1\addperiod}

\AtEndPreamble{%
  \def\blx@theendnote{\blx@err@endnote\footnote}%
  \def\blx@theendnotetext{\blx@err@endnote\footnotetext}%
  \ifdef\endnote
    {\def\blx@theendnote{\endnote}%
     \ifdef\endnotetext
       {\def\blx@theendnotetext{\endnotetext}}
       {}}
    {\ifdef\pagenote
       {\def\blx@theendnote{\pagenote}%
        \ifdef\pagenotetext
	  {\def\blx@theendnotetext{\pagenotetext}}
	  {}}
       {}}}

\newrobustcmd*{\mknumalph}[1]{%
  \begingroup
  \blx@tempcnta=#1\relax
  \ifnum\blx@tempcnta>702 %
  \else
    \ifnum\blx@tempcnta>26 %
      \advance\blx@tempcnta\m@ne
      \divide\blx@tempcnta26\relax
      \blx@numalph\blx@tempcnta
      \multiply\blx@tempcnta26\relax
      \blx@tempcnta=\numexpr#1-\blx@tempcnta\relax
    \fi
  \fi
  \blx@numalph\blx@tempcnta
  \endgroup}
\def\blx@numalph#1{%
  \ifcase#1\relax\blx@warning@entry{Value out of range}\number#1\or
  a\or b\or c\or d\or e\or f\or g\or h\or i\or j\or k\or l\or m\or
  n\or o\or p\or q\or r\or s\or t\or u\or v\or w\or x\or y\or z\else
  \blx@warning@entry{Value out of range}\number#1\fi}

\newrobustcmd*{\volcitecmd}[1]{%
  \begingroup
  \def\blx@tempa{\endgroup#1}%
  \@ifstar
    {\appto\blx@tempa{*}%
     \blx@volcitecmd@i}
    {\blx@volcitecmd@i}}

\def\blx@volcitecmd@i{%
  \@ifnextchar[%]
    {\blx@volcitecmd@ii}
    {\blx@volcitecmd@ii[]}}

\def\blx@volcitecmd@ii[#1]#2{%
  \appto\blx@tempa{[#1]}%
  \@ifnextchar[%]
    {\blx@volcitecmd@iii{#2}}
    {\blx@tempa[\blx@volcite@vol{#2}]}}

\def\blx@volcitecmd@iii#1[#2]{%
  \blx@tempa[\blx@volcite@vol{#1}\blx@volcite@page{#2}]}

\protected\def\blx@volcite@vol#1{%
  \bibstring{volume}\ppspace#1}
\protected\def\blx@volcite@page#1{%
  \addcomma\space\mkpageprefix{#1}}

\appto\blx@hook@ifpages{%
  \let\blx@volcite@vol\@gobble
  \let\blx@volcite@page\@firstofone}

%% Control file writers

\begingroup
\let~\space
\@makeother\<
\@makeother\>
\@makeother\.
\@makeother\:
\@makeother\?
\@makeother\"
\@makeother\-
\@makeother\=
\@makeother\/
\xdef\blx@bcf@file{%
  \blx@sig@bcf\blx@nl
  \blx@ver@bcf\blx@nl}
\xdef\blx@bcf@endfile{%
  \blx@nl</bcf:controlfile>}
\xdef\blx@bcf@comment#1{%
  ~~<!-- #1 -->\blx@nl}
\xdef\blx@bcf@options#1#2#3{%
  ~~<bcf:options%
    \noexpand\ifblank{#1}{}{ component="#1"}%
    \noexpand\ifblank{#2}{}{ type="#2"}%
  >\blx@nl
  #3%
  ~~</bcf:options>\blx@nl}
\xdef\blx@bcf@option#1#2{%
  ~~~~<bcf:option type="#1">\blx@nl
  #2%
  ~~~~</bcf:option>\blx@nl}
\xdef\blx@bcf@ordered#1#2{%
  ~~~~~~<bcf:value order="#1">#2</bcf:value>\blx@nl}
\xdef\blx@bcf@sorting#1#2{%
  ~~<bcf:sorting type="#1">\blx@nl
  #2%
  ~~</bcf:sorting>\blx@nl}
\xdef\blx@bcf@sort#1#2{%
  ~~~~<bcf:sort #1>\blx@nl
  #2%
  ~~~~</bcf:sort>\blx@nl}
\xdef\blx@bcf@sortitem#1#2{%
  ~~~~~~<bcf:sortitem #1>#2</bcf:sortitem>\blx@nl}
\xdef\blx@bcf@section#1{%
  ~~<bcf:section number="#1">}
\xdef\blx@bcf@endsection{%
  ~~</bcf:section>}
\xdef\blx@bcf@bibdata#1#2{%
  ~~<bcf:bibdata section="#1">\blx@nl
  #2%
  ~~</bcf:bibdata>\blx@nl}
\xdef\blx@bcf@datasource#1#2{%
  ~~~~<bcf:datasource type="#1">#2</bcf:datasource>\blx@nl}
\xdef\blx@bcf@citekey#1{%
  ~~~~<bcf:citekey>#1</bcf:citekey>}
\xdef\blx@bcf@svalue#1#2{%
  \blx@bcf@option{singlevalued}{%
  ~~~~~~<bcf:key>#1</bcf:key>\blx@nl
  ~~~~~~<bcf:value>#2</bcf:value>\blx@nl}}
\xdef\blx@bcf@mvalue#1#2{%
  \blx@bcf@option{multivalued}{%
  ~~~~~~<bcf:key>#1</bcf:key>\blx@nl
  #2}}
\xdef\blx@bcf@toggle#1{%
  \blx@bcf@svalue{#1}{\noexpand\iftoggle{blx@#1}{1}{0}}}
\endgroup

\def\blx@bcf@options@global{%
  \blx@bcf@comment{global}%
  \blx@bcf@options{biblatex}{global}{%
    \iftoggle{blx@labelalpha}
      {\blx@bcf@svalue{alphaothers}{\detokenize\expandafter{\labelalphaothers}}}
      {}%
    \blx@bcf@toggle{labelalpha}%
    \blx@bcf@mvalue{labelname}{\blx@bcf@labelname@global}%
    \iftoggle{blx@labelyear}
      {\blx@bcf@mvalue{labelyear}{\blx@bcf@labelyear@global}}
      {}%
    \blx@bcf@svalue{maxitems}{\the\c@maxitems}%
    \blx@bcf@svalue{maxnames}{\the\c@maxnames}%
    \blx@bcf@svalue{minitems}{\the\c@minitems}%
    \blx@bcf@svalue{minnames}{\the\c@minnames}%
    \blx@bcf@toggle{singletitle}%
    \iftoggle{blx@labelalpha}
      {\blx@bcf@svalue{sortalphaothers}{\detokenize\expandafter{\labelalphaothers}}}
      {}%
    \blx@bcf@svalue{sortlos}{\blx@sortlos}%
    \blx@bcf@toggle{terseinits}%
    \blx@bcf@svalue{uniquename}{\blx@uniquename}%
    \blx@bcf@toggle{useauthor}%
    \blx@bcf@toggle{useeditor}%
    \blx@bcf@toggle{useprefix}%
    \blx@bcf@toggle{usetranslator}%
  }%
}

\def\blx@bcf@options@type#1{%
  \blx@bcf@comment{#1}%
  \blx@bcf@options{biblatex}{#1}{%
    \blx@bcf@toggle{labelalpha}%
    \ifcsdef{blx@bcf@labelname@#1}
      {\blx@bcf@mvalue{labelname}{\csuse{blx@bcf@labelname@#1}}}
      {}%
    \iftoggle{blx@labelyear}
      {\ifcsdef{blx@bcf@labelyear@#1}
         {\blx@bcf@mvalue{labelyear}{\csuse{blx@bcf@labelyear@#1}}}
	 {}}
      {}%
    \blx@bcf@toggle{singletitle}%
    \blx@bcf@toggle{skipbib}%
    \blx@bcf@toggle{skiplab}%
    \blx@bcf@toggle{skiplos}%
    \blx@bcf@svalue{uniquename}{\blx@uniquename}%
    \blx@bcf@toggle{useauthor}%
    \blx@bcf@toggle{useeditor}%
    \blx@bcf@toggle{useprefix}%
    \blx@bcf@toggle{usetranslator}%
  }%
}

\AtBeginDocument{%
  \ifnum\blx@backend=\blx@backend@biber
    \xdef\blx@biber@options{\blx@bcf@options@global}%
    \begingroup
    \def\do#1{%
      \blx@setoptions@type{#1}%
      \xappto\blx@biber@options{\blx@bcf@options@type{#1}}}%
    \ifdef\blx@opts@type
      {\dolistloop\blx@opts@type}
      {}%
    \def\do#1{%
      \ifcsdef{blx@biber@sorting@\blx@sorting @#1}%
	{\blx@bcf@comment{#1}%
	 \csuse{blx@biber@sorting@\blx@sorting @#1}}
	{}}%
    \xdef\blx@biber@sorting{%
      \ifcsdef{blx@biber@sorting@\blx@sorting}
	{\dolistcsloop{blx@biber@sorting@\blx@sorting}}
	{}}%
    \endgroup
  \fi}

% [<entrytype>]{<name>}{<spec>}

\newrobustcmd*{\DeclareSortingScheme}[3][global]{%
  \begingroup
  \let\item\blx@sortdef@item
  \let\field\blx@sortdef@field
  \let\literal\blx@sortdef@literal
  \blx@tempcnta\z@
  \let\blx@tempa\@empty
  #3%
  \csxdef{blx@biber@sorting@#2@#1}{\blx@bcf@sorting{#1}{\blx@tempa}}%
  \ifcsdef{blx@biber@sorting@#2}
    {\ifinlistcs{#1}{blx@biber@sorting@#2}
       {}
       {\listcsgadd{blx@biber@sorting@#2}{#1}}}
    {\listcsgadd{blx@biber@sorting@#2}{#1}}%
  \endgroup}
\@onlypreamble\DeclareSortingScheme

\def\blx@sortdef@item#1{%
  \advance\blx@tempcnta\@ne
  \blx@tempcntb\z@
  \let\blx@tempb\@empty
  \let\do\@firstofone
  #1%
  \eappto\blx@tempa{%
    \blx@bcf@sort{order="\the\blx@tempcnta"}{\blx@tempb}}}

\newcommand*{\blx@sortdef@field}[2][]{%
  \advance\blx@tempcntb\@ne
  \edef\blx@tempc{order="\the\blx@tempcntb"}%
  \ifblank{#1}
    {}
    {\setkeys{blx@sortdef@field}{#1}}%
  \eappto\blx@tempb{%
    \blx@bcf@sortitem{\blx@tempc}{#2}}}

\define@key{blx@sortdef@field}{final}[true]{% true|false
  \ifstrequal{#1}{true}
    {\appto\blx@tempc{ final="1"}}
    {}}
\define@key{blx@sortdef@field}{pass}{% final|label
  \ifstrequal{#1}{label}
    {\appto\blx@tempc{ pass="label"}}
    {\appto\blx@tempc{ pass="final"}}}
\define@key{blx@sortdef@field}{direction}{% descending|ascending
  \ifstrequal{#1}{ascending}
    {\appto\blx@tempc{ sort_direction="ascending"}}
    {\appto\blx@tempc{ sort_direction="descending"}}}
\define@key{blx@sortdef@field}{strside}{% left|right
  \ifstrequal{#1}{right}
    {\appto\blx@tempc{ substring_side="right"}}
    {\appto\blx@tempc{ substring_side="left"}}}
\define@key{blx@sortdef@field}{padside}{% left|right
  \ifstrequal{#1}{right}
    {\appto\blx@tempc{ pad_side="right"}}
    {\appto\blx@tempc{ pad_side="left"}}}
\define@key{blx@sortdef@field}{strwidth}{% integer
  \appto\blx@tempc{ substring_width="#1"}}
\define@key{blx@sortdef@field}{padwidth}{% integer
  \appto\blx@tempc{ pad_width="#1"}}
\define@key{blx@sortdef@field}{padchar}{% character
  \appto\blx@tempc{ pad_char="#1"}}

\def\blx@sortdef@literal#1{%
  \advance\blx@tempcntb\@ne
  \eappto\blx@tempb{%
    \blx@bcf@sortitem{order="\the\blx@tempcntb"}{#1}}}

\DeclareSortingScheme{none}{%
  \item{\field{citeorder}}
}

\DeclareSortingScheme{debug}{%
  \item{\field{entrykey}}
}

\DeclareSortingScheme{nty}{%
  \item{\field[strside=left,strwidth=2]{presort}
        \literal{mm}}
  \item{\field[final]{sortkey}}
  \item{\field{sortname}
        \field{author}
        \field{editor}
        \field{translator}
        \field{sorttitle}
        \field{title}}
  \item{\field{sorttitle}
        \field{title}}
  \item{\field{sortyear}
        \field{year}}
  \item{\field[padside=left,padwidth=4,padchar=0]{volume}
        \literal{0000}}
}

\DeclareSortingScheme{nyt}{%
  \item{\field[strside=left,strwidth=2]{presort}
        \literal{mm}}
  \item{\field[final]{sortkey}}
  \item{\field{sortname}
        \field{author}
        \field{editor}
        \field{translator}
        \field{sorttitle}
        \field{title}}
  \item{\field{sortyear}
        \field{year}}
  \item{\field{sorttitle}
        \field{title}}
  \item{\field[padside=left,padwidth=4,padchar=0]{volume}
        \literal{0000}}
}

\DeclareSortingScheme{nyvt}{%
  \item{\field[strside=left,strwidth=2]{presort}
        \literal{mm}}
  \item{\field[final]{sortkey}}
  \item{\field{sortname}
        \field{author}
        \field{editor}
        \field{translator}
        \field{sorttitle}
        \field{title}}
  \item{\field{sortyear}
        \field{year}}
  \item{\field[padside=left,padwidth=4,padchar=0]{volume}
        \literal{0000}}
  \item{\field{sorttitle}
        \field{title}}
}

\DeclareSortingScheme{anyt}{%
  \item{\field[strside=left,strwidth=2]{presort}
        \literal{mm}}
  \item{\field[pass=label]{labelalpha}}
  \item{\field[final]{sortkey}}
  \item{\field[pass=final]{labelalpha}}
  \item{\field[pass=final,padside=left,padwidth=4,padchar=0]{extraalpha}}
  \item{\field{sortname}
        \field{author}
        \field{editor}
        \field{translator}
        \field{sorttitle}
        \field{title}}
  \item{\field{sortyear}
        \field{year}}
  \item{\field{sorttitle}
        \field{title}}
  \item{\field[padside=left,padwidth=4,padchar=0]{volume}
        \literal{0000}}
}

\DeclareSortingScheme{anyvt}{%
  \item{\field[strside=left,strwidth=2]{presort}
        \literal{mm}}
  \item{\field[pass=label]{labelalpha}}
  \item{\field[final]{sortkey}}
  \item{\field[pass=final]{labelalpha}}
  \item{\field[pass=final,padside=left,padwidth=4,padchar=0]{extraalpha}}
  \item{\field{sortname}
        \field{author}
        \field{editor}
        \field{translator}
        \field{sorttitle}
        \field{title}}
  \item{\field{sortyear}
        \field{year}}
  \item{\field[padside=left,padwidth=4,padchar=0]{volume}
        \literal{0000}}
  \item{\field{sorttitle}
        \field{title}}
}

\DeclareSortingScheme{ynt}{%
  \item{\field[strside=left,strwidth=2]{presort}
        \literal{mm}}
  \item{\field[final]{sortkey}}
  \item{\field{sortyear}
        \field{year}
        \literal{9999}}
  \item{\field{sortname}
        \field{author}
        \field{editor}
        \field{translator}
        \field{sorttitle}
        \field{title}}
  \item{\field{sorttitle}
        \field{title}}
}

\DeclareSortingScheme{ydnt}{%
  \item{\field[strside=left,strwidth=2]{presort}
        \literal{mm}}
  \item{\field[final]{sortkey}}
  \item{\field[strside=left,strwidth=4,direction=descending]{sortyear}
        \field[strside=left,strwidth=4,direction=descending]{year}
        \literal{9999}}
  \item{\field{sortname}
        \field{author}
        \field{editor}
        \field{translator}
        \field{sorttitle}
        \field{title}}
  \item{\field{sorttitle}
        \field{title}}
}

\def\blx@deflabel#1#2{%
  \begingroup
  \global\let#1\@empty
  \blx@tempcnta\z@
  \def\do##1{%
    \advance\blx@tempcnta\@ne
    \xappto#1{\noexpand\blx@bcf@ordered{\the\blx@tempcnta}{##1}}}%
  \docsvlist{#2}%
  \endgroup}

% [<entrytype>]{<cslist>}

\newrobustcmd*{\DeclareLabelname}[1][global]{%
  \expandafter\blx@deflabel\csname blx@bcf@labelname@#1\endcsname}
\@onlypreamble\DeclareLabelname

% [<entrytype>]{<cslist>}

\newrobustcmd*{\DeclareLabelyear}[1][global]{%
  \expandafter\blx@deflabel\csname blx@bcf@labelyear@#1\endcsname}
\@onlypreamble\Declarelabelyear

\DeclareLabelname{%
  shortauthor,
  author,
  shorteditor,
  editor,
  translator}

\DeclareLabelyear{%
  year,
  eventyear,
  origyear,
  urlyear}

\edef\blx@ctrl@bibtex{%
  \blx@msg@bib
  @Control\string{biblatex-control,\blx@nl
  \space\space options = \string{%
    \blx@bblversion:%
    \noexpand\iftoggle{blx@debug}{1}{0}:%
    \noexpand\ifnum\noexpand\blx@backend>\noexpand\blx@backend@bibtex
      1:%
    \noexpand\else
      0:%
    \noexpand\fi
    \noexpand\iftoggle{blx@sortcase}{1}{0}:%
    \noexpand\iftoggle{blx@terseinits}{1}{0}:%
    \noexpand\iftoggle{blx@useprefix}{1}{0}:%
    \noexpand\iftoggle{blx@useauthor}{1}{0}:%
    \noexpand\iftoggle{blx@useeditor}{1}{0}:%
    \noexpand\iftoggle{blx@usetranslator}{1}{0}:%
    \noexpand\iftoggle{blx@labelalpha}{1}{0}:%
    \noexpand\iftoggle{blx@labelyear}{1}{0}:%
    \noexpand\iftoggle{blx@singletitle}{1}{0}:%
    \noexpand\blx@uniquename:%
    \noexpand\csuse{blx@bibtex@sorting@\noexpand\blx@sorting}:%
    \noexpand\blx@sortlos:%
    \noexpand\the\c@maxnames:%
    \noexpand\the\c@minnames:%
    \noexpand\blx@maxline:%
    \noexpand\detokenize\noexpand\expandafter{\noexpand\labelalphaothers}%
  \string},\blx@nl
  \string}%
}

\def\blx@bcf@start{%
  \blx@bcf@file
  \blx@bcf@comment{BIBER OPTIONS}%
  \blx@bcf@options{biber}{global}{%
    \blx@bcf@svalue{bblencoding}{\blx@inputencoding}%
    \blx@bcf@svalue{bibencoding}{\blx@bibencoding}%
    \blx@bcf@toggle{debug}%
    \blx@bcf@svalue{mincrossrefs}{\blx@mincrossrefs}%
    \blx@bcf@toggle{sortcase}%
    \ifdef\blx@sortlocale
      {\blx@bcf@svalue{sortlocale}{\blx@sortlocale}}
      {}%
    \blx@bcf@toggle{sortupper}%
  }%
  \blx@bcf@comment{BIBLATEX OPTIONS}%
  \csuse{blx@biber@options}%
  \blx@bcf@comment{SORTING}%
  \csuse{blx@biber@sorting}%
  \blx@bcf@comment{CITATION DATA}%
  \blx@bcf@comment{section 0}%
}

\AtEndPreamble{%
  \ifnum\blx@backend=\blx@backend@biber
    \begingroup
    \def\do#1{\blx@bcf@datasource{file}{#1}}%
    \xappto\blx@bcf@start{%
      \blx@bcf@bibdata{0}{\expandafter\docsvlist\expandafter{\blx@bibfiles}}%
      \blx@bcf@section{0}}%
    \endgroup
  \fi}

\def\blx@bcf@end{%
  \blx@bcf@endsection
  \blx@bcf@endfile
}

%% Package options

% [<entrytype>]{<options>}

\newrobustcmd*{\ExecuteBibliographyOptions}[2][]{%
  \ifblank{#1}
    {\setkeys{blx@opt@pre}{#2}}
    {\ifdef\blx@opts@type
       {\ifinlist{#1}{\blx@opts@type}
          {}
	  {\listadd\blx@opts@type{#1}}}
       {\listadd\blx@opts@type{#1}}%
     \csappto{blx@opts@type@#1}{#2}}}
\@onlypreamble\ExecuteBibliographyOptions

% load-time only

\define@key{blx@opt@ldt}{style}{%
  \def\blx@cbxfile{#1}%
  \def\blx@bbxfile{#1}}

\define@key{blx@opt@ldt}{bibstyle}{%
  \def\blx@bbxfile{#1}}

\define@key{blx@opt@ldt}{citestyle}{%
  \def\blx@cbxfile{#1}}

\define@key{blx@opt@ldt}{natbib}[true]{%
  \settoggle{blx@natbib}{#1}}

% load-time and preamble

\DeclareBibliographyOption{debug}[true]{%
  \settoggle{blx@debug}{#1}}

\DeclareBibliographyOption{backend}{%
  \ifcsdef{blx@backend@#1}
    {\letcs\blx@backend{blx@backend@#1}}
    {\blx@err@invopt{backend=#1}{}}}
\chardef\blx@backend@bibtex=0
\chardef\blx@backend@bibtexe=1
\chardef\blx@backend@bibtexu=2
\chardef\blx@backend@biber=3
\cslet{blx@backend@bibtex8}\blx@backend@bibtexe

\DeclareBibliographyOption{loadfiles}[true]{%
  \settoggle{blx@loadfiles}{#1}}

\DeclareBibliographyOption{mincrossrefs}{%
  \ifnum#1<\z@
    \def\blx@mincrossrefs{1}%
    \def\blx@minxrefs{1}%
  \else
    \def\blx@mincrossrefs{#1}%
    \def\blx@minxrefs{#1}%
  \fi}
\def\blx@minxrefs{2}

\DeclareBibliographyOption{bibencoding}{%
  \def\blx@bibencoding{#1}
  \ifdefstring\blx@bibencoding{inputenc}
    {\def\blx@bibencoding{auto}}
    {}}

\DeclareBibliographyOption{sorting}{%
  \def\blx@sorting{#1}}
\def\blx@bibtex@sorting@none{0}
\def\blx@bibtex@sorting@nty{1}
\def\blx@bibtex@sorting@nyt{2}
\def\blx@bibtex@sorting@nyvt{3}
\def\blx@bibtex@sorting@anyt{12}
\def\blx@bibtex@sorting@anyvt{13}
\def\blx@bibtex@sorting@ynt{21}
\def\blx@bibtex@sorting@ydnt{22}
\def\blx@bibtex@sorting@debug{99}

\AtEndPreamble{%
  \ifnum\blx@backend=\blx@backend@biber
    \ifcsdef{blx@biber@sorting@\blx@sorting @global}
      {}
      {\blx@err@invopt{sorting=\blx@sorting}{}%
       \def\blx@sorting{nty}}%
  \else
    \ifcsdef{blx@bibtex@sorting@\blx@sorting}
      {}
      {\blx@err@invopt{sorting=\blx@sorting}{}%
       \def\blx@sorting{nty}}%
  \fi}

\DeclareBibliographyOption{sortcase}[true]{%
  \settoggle{blx@sortcase}{#1}}

\DeclareBibliographyOption{sortupper}[true]{%
  \settoggle{blx@sortupper}{#1}}

\DeclareBibliographyOption{sortlocale}{%
  \ifblank{#1}
    {\undef\blx@sortlocale}
    {\edef\blx@sortlocale{\detokenize{#1}}}}

\DeclareBibliographyOption{sortlos}{%
  \ifcsdef{blx@opt@sortlos@#1}
    {\letcs\blx@sortlos{blx@opt@sortlos@#1}}
    {\blx@err@invopt{sortlos=#1}{}}}
\def\blx@opt@sortlos@bib{0}
\def\blx@opt@sortlos@los{1}

\DeclareBibliographyOption{maxnames}{\blx@setmaxnames{#1}}
\def\blx@setmaxnames#1{%
  \ifnum#1<\@ne
    \blx@err@invopt{maxnames=#1}
      {'maxnames' must be greater than zero}%
  \else
    \ifnum#1<\c@minnames
      \blx@err@confopt{maxnames/minnames}
	{'maxnames' must be greater than or equal to 'minnames'}%
    \else
      \c@maxnames#1\relax
    \fi
  \fi}

\DeclareBibliographyOption{minnames}{\blx@setminnames{#1}}
\def\blx@setminnames#1{%
  \ifnum#1<\@ne
    \blx@err@invopt{minnames=#1}
      {'minnames' must be greater than zero}%
  \else
    \ifnum#1>\c@maxnames
      \blx@err@confopt{maxnames/minnames}
	{'minnames' must be less than or equal to 'maxnames'}%
    \else
      \c@minnames#1\relax
    \fi
  \fi}

\DeclareBibliographyOption{maxitems}{\blx@setmaxitems{#1}}
\def\blx@setmaxitems#1{%
  \ifnum#1<\@ne
    \blx@err@invopt{maxitems=#1}
      {'maxitems' must be greater than zero}%
  \else
    \ifnum#1<\c@minitems
      \blx@err@confopt{maxitems/minitems}
	{'maxitems' must be greater than or equal to 'minitems'}%
    \else
      \c@maxitems#1\relax
    \fi
  \fi}

\DeclareBibliographyOption{minitems}{\blx@setminitems{#1}}
\def\blx@setminitems#1{%
  \ifnum#1<\@ne
    \blx@err@invopt{minitems=#1}
      {'minitems' must be greater than zero}%
  \else
    \ifnum#1>\c@maxitems
      \blx@err@confopt{maxitems/minitems}
	{'minitems' must be less than or equal to 'maxitems'}%
    \else
      \c@minitems#1\relax
    \fi
  \fi}

\DeclareBibliographyOption{maxline}{%
  \ifnum#1<49
    \def\blx@maxline{49}%
  \else
    \ifnum#1>79
      \def\blx@maxline{79}%
    \else
      \def\blx@maxline{#1}%
    \fi
  \fi}

\DeclareBibliographyOption{terseinits}[true]{%
  \settoggle{blx@terseinits}{#1}}

\DeclareBibliographyOption{firstinits}[true]{%
  \settoggle{blx@firstinits}{#1}}

\DeclareBibliographyOption{abbreviate}[true]{%
  \ifstrequal{#1}{true}
    {\def\abx@str{abx@sstr}}
    {\def\abx@str{abx@lstr}}}

\DeclareBibliographyOption{dateabbrev}[true]{%
  \ifstrequal{#1}{true}
    {\let\abx@bibmonth\blx@imc@bibsstring}
    {\let\abx@bibmonth\blx@imc@biblstring}}

\DeclareBibliographyOption{language}{%
  \ifstrequal{#1}{auto}
    {\toggletrue{blx@autolang}%
     \def\blx@languagename{english}}
    {\IfFileExists{#1.lbx}
       {\togglefalse{blx@autolang}%
	\edef\blx@languagename{#1}}
       {\blx@error
	  {Language '#1' not supported}
	  {Failed to find a matching '#1.lbx' file}}}}

\DeclareBibliographyOption{clearlang}[true]{%
  \settoggle{blx@clearlang}{#1}}

\DeclareBibliographyOption{babel}{%
  \ifcsdef{blx@opt@babel@#1}
    {\csuse{blx@opt@babel@#1}}
    {\blx@err@invopt{babel=#1}{}}}
\def\blx@opt@babel@none{%
  \undef\blx@thelangenv
  \let\blx@hook@initlang\@empty
  \let\blx@hook@endlang\@empty}
\def\blx@opt@babel@hyphen{%
  \def\blx@thelangenv{hyphenrules}%
  \let\blx@hook@initlang\@empty
  \let\blx@hook@endlang\@empty}
\csdef{blx@opt@babel@other*}{%
  \def\blx@thelangenv{otherlanguage*}%
  \def\blx@hook@initlang{\@quotereset\@ne}%
  \def\blx@hook@endlang{\blx@postpunct}}
\def\blx@opt@babel@other{%
  \def\blx@thelangenv{otherlanguage}%
  \def\blx@hook@initlang{\@quotereset\@ne}%
  \def\blx@hook@endlang{\blx@postpunct}}

\DeclareBibliographyOption{indexing}[true]{%
  \ifcsdef{blx@opt@index@#1}
    {\csuse{blx@opt@index@#1}}
    {\blx@err@invopt{indexing=#1}{}}}
\def\blx@opt@index@true{%
  \toggletrue{blx@citeindex}%
  \toggletrue{blx@bibindex}}
\def\blx@opt@index@false{%
  \togglefalse{blx@citeindex}%
  \togglefalse{blx@bibindex}}
\def\blx@opt@index@cite{%
  \toggletrue{blx@citeindex}%
  \togglefalse{blx@bibindex}}
\def\blx@opt@index@bib{%
  \togglefalse{blx@citeindex}%
  \toggletrue{blx@bibindex}}

\DeclareBibliographyOption{sortcites}[true]{%
  \ifstrequal{#1}{true}
    {\let\blx@thecitesort\blx@citesort
     \let\blx@thenotecheck\blx@notecheck}
    {\let\blx@thecitesort\blx@citenosort
     \let\blx@thenotecheck\relax}}

\DeclareBibliographyOption{hyperref}[true]{%
  \ifcsdef{blx@opt@hyperref@#1}
    {\letcs\blx@hyperref{blx@opt@hyperref@#1}}
    {\blx@err@invopt{hyperref=#1}{}}}
\def\blx@opt@hyperref@false{0}
\def\blx@opt@hyperref@true{1}
\def\blx@opt@hyperref@auto{2}

\DeclareBibliographyOption{backref}[true]{%
  \ifstrequal{#1}{true}
    {\let\blx@backref\blx@addbackref
     \let\abx@aux@backref\blx@aux@backref
     \booltrue{backtracker}}
    {\let\blx@backref\@gobble
     \let\abx@aux@backref\@gobblefive
     \boolfalse{backtracker}}}

\DeclareBibliographyOption{backrefsetstyle}{%
  \ifcsdef{blx@opt@backrefsetstyle@#1}
    {\letcs\blx@backrefsetstyle{blx@opt@backrefsetstyle@#1}}
    {\blx@err@invopt{backrefsetstyle=#1}{}}}
\def\blx@opt@backrefsetstyle@setonly{0}
\def\blx@opt@backrefsetstyle@memonly{1}
\def\blx@opt@backrefsetstyle@setormem{2}
\def\blx@opt@backrefsetstyle@setandmem{3}
\def\blx@opt@backrefsetstyle@memandset{4}
\def\blx@opt@backrefsetstyle@setplusmem{5}

\appto\blx@mkhyperref{%
  \ifHy@plainpages
    \blx@warning@noline{%
      hyperref package option 'plainpages' enabled.\MessageBreak
      This may cause problems with hyperlinked back\MessageBreak
      references. 'plainpages=false' is recommended}%
  \fi
  \ifHy@pageanchor\else
    \blx@warning@noline{%
      hyperref package option 'pageanchor' disabled.\MessageBreak
      This will cause problems with hyperlinked back\MessageBreak
      references. 'pageanchor=true' is required}%
  \fi}

\DeclareBibliographyOption{block}{%
  \ifcsdef{blx@opt@block@#1}
    {\csuse{blx@opt@block@#1}}
    {\blx@err@invopt{block=#1}{}}}
\def\blx@opt@block@none{%
  \let\blx@bibsetup\@empty
  \let\newblockpunct\@empty}
\def\blx@opt@block@par{%
  \let\blx@bibsetup\@empty
  \def\newblockpunct{\par}}
\def\blx@opt@block@nbpar{%
  \def\blx@bibsetup{\interlinepenalty\@M}%
  \def\newblockpunct{\par\nobreak}}
\def\blx@opt@block@space{%
  \let\blx@bibsetup\@empty
  \def\newblockpunct{%
    \unspace\space
    \hskip  0.11em
    \@plus  0.33em
    \@minus 0.07em}}
\def\blx@opt@block@ragged{%
  \let\blx@bibsetup\raggedright
  \def\newblockpunct{%
    \unspace\penalty-9\relax\space}}

\DeclareBibliographyOption{pagetracker}[true]{%
  \ifcsdef{blx@opt@pagetracker@#1}
    {\csuse{blx@opt@pagetracker@#1}}
    {\blx@err@invopt{pagetracker=#1}{}}}
\def\blx@opt@pagetracker@true{%
  \if@twoside
    \blx@opt@pagetracker@spread
  \else
    \blx@opt@pagetracker@page
  \fi}
\def\blx@opt@pagetracker@false{%
  \let\blx@pagetracker\relax
  \let\abx@aux@page\@gobbletwo
  \let\abx@aux@fnpage\@gobbletwo
  \boolfalse{pagetracker}}
\def\blx@opt@pagetracker@page{%
  \let\blx@pagetracker\blx@pagetracker@context
  \let\abx@aux@page\blx@aux@page
  \let\abx@aux@fnpage\blx@aux@fnpage
  \booltrue{pagetracker}}
\def\blx@opt@pagetracker@spread{%
  \if@twoside
    \let\blx@pagetracker\blx@pagetracker@context
    \let\abx@aux@page\blx@aux@spread
    \let\abx@aux@fnpage\blx@aux@fnspread
    \booltrue{pagetracker}%
  \else
    \blx@warning@noline{%
      LaTeX not in twoside mode\MessageBreak
      Falling back to 'pagetracker=page'}%
    \blx@opt@pagetracker@page
  \fi}

\DeclareBibliographyOption{citetracker}[true]{%
  \ifcsdef{blx@opt@citetracker@#1}
    {\csuse{blx@opt@citetracker@#1}}
    {\blx@err@invopt{citetracker=#1}{}}}
\def\blx@opt@citetracker@true{%
  \let\blx@imc@ifciteseen\blx@ifciteseen@global
  \let\blx@imc@ifentryseen\blx@ifentryseen@global
  \let\blx@citetracker\blx@citetracker@global
  \booltrue{citetracker}}
\def\blx@opt@citetracker@false{%
  \let\blx@imc@ifciteseen\@secondoftwo
  \protected\long\def\blx@imc@ifentryseen##1##2##3{##3}%
  \let\blx@citetracker\relax}
\def\blx@opt@citetracker@context{%
  \let\blx@imc@ifciteseen\blx@ifciteseen@context
  \let\blx@imc@ifentryseen\blx@ifentryseen@context
  \let\blx@citetracker\blx@citetracker@context
  \booltrue{citetracker}}
\def\blx@opt@citetracker@strict{%
  \let\blx@imc@ifciteseen\blx@ifciteseen@global
  \let\blx@imc@ifentryseen\blx@ifentryseen@global
  \def\blx@citetracker{%
    \blx@ifcitesingle{\blx@citetracker@global}{}}%
  \booltrue{citetracker}}
\def\blx@opt@citetracker@constrict{%
  \let\blx@imc@ifciteseen\blx@ifciteseen@context
  \let\blx@imc@ifentryseen\blx@ifentryseen@context
  \def\blx@citetracker{%
    \blx@ifcitesingle{\blx@citetracker@context}{}}%
  \booltrue{citetracker}}

\DeclareBibliographyOption{ibidtracker}[true]{%
  \ifcsdef{blx@opt@ibidtracker@#1}
    {\csuse{blx@opt@ibidtracker@#1}}
    {\blx@err@invopt{ibidtracker=#1}{}}}
\def\blx@opt@ibidtracker@true{%
  \let\blx@imc@ifciteibid\blx@ifciteibid@global
  \let\blx@ibidtracker\blx@ibidtracker@gobal
  \let\blx@ibidreset\blx@ibidreset@gobal
  \booltrue{citetracker}}
\def\blx@opt@ibidtracker@false{%
  \let\blx@imc@ifciteibid\@secondoftwo
  \let\blx@ibidtracker\relax
  \let\blx@ibidreset\relax}
\def\blx@opt@ibidtracker@context{%
  \let\blx@imc@ifciteibid\blx@ifciteibid@context
  \let\blx@ibidtracker\blx@ibidtracker@context
  \let\blx@ibidreset\blx@ibidreset@context
  \booltrue{citetracker}}
\def\blx@opt@ibidtracker@strict{%
  \let\blx@imc@ifciteibid\blx@ifciteibid@strict
  \let\blx@ibidtracker\blx@ibidtracker@strict
  \let\blx@ibidreset\blx@ibidreset@gobal
  \booltrue{citetracker}}
\def\blx@opt@ibidtracker@constrict{%
  \let\blx@imc@ifciteibid\blx@ifciteibid@constrict
  \let\blx@ibidtracker\blx@ibidtracker@constrict
  \let\blx@ibidreset\blx@ibidreset@context
  \booltrue{citetracker}}

\DeclareBibliographyOption{idemtracker}[true]{%
  \ifcsdef{blx@opt@idemtracker@#1}
    {\csuse{blx@opt@idemtracker@#1}}
    {\blx@err@invopt{idemtracker=#1}{}}}
\def\blx@opt@idemtracker@true{%
  \let\blx@imc@ifciteidem\blx@ifciteidem@global
  \let\blx@idemtracker\blx@idemtracker@gobal
  \let\blx@idemreset\blx@idemreset@gobal
  \booltrue{citetracker}}
\def\blx@opt@idemtracker@false{%
  \let\blx@imc@ifciteidem\@secondoftwo
  \let\blx@idemtracker\relax
  \let\blx@idemreset\relax}
\def\blx@opt@idemtracker@context{%
  \let\blx@imc@ifciteidem\blx@ifciteidem@context
  \let\blx@idemtracker\blx@idemtracker@context
  \let\blx@idemreset\blx@idemreset@context
  \booltrue{citetracker}}
\def\blx@opt@idemtracker@strict{%
  \let\blx@imc@ifciteidem\blx@ifciteidem@strict
  \let\blx@idemtracker\blx@idemtracker@strict
  \let\blx@idemreset\blx@idemreset@gobal
  \booltrue{citetracker}}
\def\blx@opt@idemtracker@constrict{%
  \let\blx@imc@ifciteidem\blx@ifciteidem@constrict
  \let\blx@idemtracker\blx@idemtracker@constrict
  \let\blx@idemreset\blx@idemreset@context
  \booltrue{citetracker}}

\DeclareBibliographyOption{opcittracker}[true]{%
  \ifcsdef{blx@opt@opcittracker@#1}
    {\csuse{blx@opt@opcittracker@#1}}
    {\blx@err@invopt{opcittracker=#1}{}}}
\def\blx@opt@opcittracker@true{%
  \let\blx@imc@ifopcit\blx@ifopcit@global
  \let\blx@opcittracker\blx@opcittracker@gobal
  \let\blx@opcitreset\blx@opcitreset@gobal
  \booltrue{citetracker}}
\def\blx@opt@opcittracker@false{%
  \let\blx@imc@ifopcit\@secondoftwo
  \let\blx@opcittracker\relax
  \let\blx@opcitreset\relax}
\def\blx@opt@opcittracker@context{%
  \let\blx@imc@ifopcit\blx@ifopcit@context
  \let\blx@opcittracker\blx@opcittracker@context
  \let\blx@opcitreset\blx@opcitreset@context
  \booltrue{citetracker}}
\def\blx@opt@opcittracker@strict{%
  \let\blx@imc@ifopcit\blx@ifopcit@strict
  \let\blx@opcittracker\blx@opcittracker@strict
  \let\blx@opcitreset\blx@opcitreset@gobal
  \booltrue{citetracker}}
\def\blx@opt@opcittracker@constrict{%
  \let\blx@imc@ifopcit\blx@ifopcit@constrict
  \let\blx@opcittracker\blx@opcittracker@constrict
  \let\blx@opcitreset\blx@opcitreset@context
  \booltrue{citetracker}}

\DeclareBibliographyOption{loccittracker}[true]{%
  \ifcsdef{blx@opt@loccittracker@#1}
    {\csuse{blx@opt@loccittracker@#1}}
    {\blx@err@invopt{loccittracker=#1}{}}}
\def\blx@opt@loccittracker@true{%
  \let\blx@imc@ifloccit\blx@ifloccit@global
  \let\blx@loccittracker\blx@loccittracker@gobal
  \let\blx@loccitreset\blx@loccitreset@gobal
  \booltrue{citetracker}}
\def\blx@opt@loccittracker@false{%
  \let\blx@imc@ifloccit\@secondoftwo
  \let\blx@loccittracker\relax
  \let\blx@loccitreset\relax}
\def\blx@opt@loccittracker@context{%
  \let\blx@imc@ifloccit\blx@ifloccit@context
  \let\blx@loccittracker\blx@loccittracker@context
  \let\blx@loccitreset\blx@loccitreset@context
  \booltrue{citetracker}}
\def\blx@opt@loccittracker@strict{%
  \let\blx@imc@ifloccit\blx@ifloccit@strict
  \let\blx@loccittracker\blx@loccittracker@strict
  \let\blx@loccitreset\blx@loccitreset@gobal
  \booltrue{citetracker}}
\def\blx@opt@loccittracker@constrict{%
  \let\blx@imc@ifloccit\blx@ifloccit@constrict
  \let\blx@loccittracker\blx@loccittracker@constrict
  \let\blx@loccitreset\blx@loccitreset@context
  \booltrue{citetracker}}

\DeclareBibliographyOption{parentracker}[true]{%
  \ifstrequal{#1}{true}
    {\let\bibopenparen\blx@bibopenparen
     \let\bibcloseparen\blx@bibcloseparen
     \let\bibopenbracket\blx@bibopenbracket
     \let\bibclosebracket\blx@bibclosebracket}
    {\protected\def\bibopenparen{\bibleftparen}%
     \protected\def\bibcloseparen{\bibrightparen}%
     \protected\def\bibopenbracket{\bibleftbracket}%
     \protected\def\bibclosebracket{\bibrightbracket}}}

\DeclareBibliographyOption{maxparens}{%
  \ifnumless{#1}{1}
    {\blx@err@invopt{maxparens=#1}{}}
    {\setcounter{maxparens}{#1}}}

\DeclareBibliographyOption{date}{%
  \ifcsdef{mkbibrange#1}
    {\protected\def\blx@imc@printdate{\csuse{mkbibrange#1}{}}%
     \protected\def\blx@imc@printdateextra{\csuse{mkbibrange#1extra}{}}}
    {\blx@err@invopt{date=#1}{}}}

\DeclareBibliographyOption{urldate}{%
  \ifcsdef{mkbibrange#1}
    {\protected\def\blx@imc@printurldate{\csuse{mkbibrange#1}{url}}}
    {\blx@err@invopt{urldate=#1}{}}}

\DeclareBibliographyOption{eventdate}{%
  \ifcsdef{mkbibrange#1}
    {\protected\def\blx@imc@printeventdate{\csuse{mkbibrange#1}{event}}}
    {\blx@err@invopt{eventdate=#1}{}}}

\DeclareBibliographyOption{origdate}{%
  \ifcsdef{mkbibrange#1}
    {\protected\def\blx@imc@printorigdate{\csuse{mkbibrange#1}{orig}}}
    {\blx@err@invopt{origdate=#1}{}}}

\DeclareBibliographyOption{alldates}{%
  \ExecuteBibliographyOptions{date=#1,urldate=#1,eventdate=#1,origdate=#1}}

\DeclareBibliographyOption{datezeros}[true]{%
  \ifstrequal{#1}{true}
    {\let\blx@imc@mkdatezeros\@firstofone}
    {\let\blx@imc@mkdatezeros\blx@imc@stripzeros}}

\DeclareBibliographyOption{autocite}{%
  \ifcsundef{blx@acite@#1}
    {\blx@error
       {Autocite command '#1' undefined}
       {The autocite command '#1' has not been defined by
        the\MessageBreak selected citation style}}
    {\letcs\autocite{blx@acite@#1}%
     \letcs\autocites{blx@macite@#1}}}

\DeclareBibliographyOption{notetype}{%
  \ifcsdef{blx@opt@notetype@#1}
    {\blx@notetype\csuse{blx@opt@notetype@#1}}
    {\blx@err@invopt{notetype=#1}{}}}
\cslet{blx@opt@notetype@foot+end}\z@
\let\blx@opt@notetype@footonly\@ne
\let\blx@opt@notetype@endonly\tw@

\DeclareBibliographyOption{autopunct}[true]{%
  \ifstrequal{#1}{true}
    {\DeclareAutoPunctuation{.,;:!?}}
    {\DeclareAutoPunctuation{}}}

\DeclareBibliographyOption{punctfont}[true]{%
  \ifstrequal{#1}{true}
    {\let\blx@ifpuncthook\@firstoftwo}
    {\let\blx@ifpuncthook\@secondoftwo}}

\DeclareBibliographyOption{labelnumber}[true]{%
  \settoggle{blx@labelnumber}{#1}%
  \iftoggle{blx@labelnumber}
    {}
    {\setkeys{blx@opt@pre}{defernumbers=false}}}
\DeclareTypeOption{labelnumber}[true]{%
  \settoggle{blx@labelnumber}{#1}}

\DeclareBibliographyOption{labelalpha}[true]{%
  \settoggle{blx@labelalpha}{#1}}
\DeclareTypeOption{labelalpha}[true]{%
  \settoggle{blx@labelalpha}{#1}}

\DeclareBibliographyOption{labelyear}[true]{%
  \settoggle{blx@labelyear}{#1}}
\DeclareTypeOption{labelyear}[true]{%
  \settoggle{blx@labelyear}{#1}}

\DeclareBibliographyOption{uniquename}[true]{%
  \ifcsdef{blx@opt@uniquename@#1}
    {\letcs\blx@uniquename{blx@opt@uniquename@#1}}
    {\blx@err@invopt{uniquename=#1}{}}}
\DeclareTypeOption{uniquename}[true]{%
  \ifcsdef{blx@opt@uniquename@#1}
    {\letcs\blx@uniquename{blx@opt@uniquename@#1}}
    {\blx@err@invopt{uniquename=#1}{}}}
\def\blx@opt@uniquename@false{0}
\def\blx@opt@uniquename@init{1}
\def\blx@opt@uniquename@true{2}

\DeclareBibliographyOption{singletitle}[true]{%
  \settoggle{blx@singletitle}{#1}}
\DeclareTypeOption{singletitle}[true]{%
  \settoggle{blx@singletitle}{#1}}

\DeclareBibliographyOption{defernumbers}[true]{%
  \settoggle{blx@defernumbers}{#1}%
  \iftoggle{blx@defernumbers}
    {\setkeys{blx@opt@pre}{labelnumber}%
     \let\blx@thelabelnumber\blx@addlabelnumber
     \let\abx@aux@number\blx@aux@number}
    {\let\blx@thelabelnumber\relax
     \let\abx@aux@number\@gobblefour}}

\DeclareBibliographyOption{refsection}{%
  \ifcsdef{blx@opt@refsection@#1}
    {\letcs\blx@refhook@section{blx@opt@refsection@#1}}
    {\blx@err@invopt{refsection=#1}{}}}
\def\blx@opt@refsection@none{0}
\def\blx@opt@refsection@part{1}
\def\blx@opt@refsection@chapter{2}
\def\blx@opt@refsection@section{3}
\def\blx@opt@refsection@subsection{4}

\DeclareBibliographyOption{refsegment}{%
  \ifcsdef{blx@opt@refsegment@#1}
    {\letcs\blx@refhook@segment{blx@opt@refsegment@#1}}
    {\blx@err@invopt{refsegment=#1}{}}}
\def\blx@opt@refsegment@none{0}
\def\blx@opt@refsegment@part{1}
\def\blx@opt@refsegment@chapter{2}
\def\blx@opt@refsegment@section{3}
\def\blx@opt@refsegment@subsection{4}

\DeclareBibliographyOption{citereset}{%
  \ifcsdef{blx@opt@citereset@#1}
    {\letcs\blx@resethook{blx@opt@citereset@#1}}
    {\blx@err@invopt{citereset=#1}{}}}
\def\blx@opt@citereset@none{0}
\def\blx@opt@citereset@part{1}
\def\blx@opt@citereset@chapter{2}
\def\blx@opt@citereset@section{3}
\def\blx@opt@citereset@subsection{4}

\DeclareBibliographyOption{bibwarn}[true]{%
  \ifstrequal{#1}{true}
    {\let\blx@bbl@thewarn\blx@bbl@warn}
    {\let\blx@bbl@thewarn\@gobble}}

% Entry options

\DeclareBibliographyOption{useprefix}[true]{%
  \settoggle{blx@useprefix}{#1}}
\DeclareTypeOption{useprefix}[true]{%
  \settoggle{blx@useprefix}{#1}}
\DeclareEntryOption{useprefix}[true]{%
  \settoggle{blx@useprefix}{#1}}

\DeclareBibliographyOption{useauthor}[true]{%
  \settoggle{blx@useauthor}{#1}}
\DeclareTypeOption{useauthor}[true]{%
  \settoggle{blx@useauthor}{#1}}
\DeclareEntryOption{useauthor}[true]{%
  \settoggle{blx@useauthor}{#1}}

\DeclareBibliographyOption{useeditor}[true]{%
  \settoggle{blx@useeditor}{#1}}
\DeclareTypeOption{useeditor}[true]{%
  \settoggle{blx@useeditor}{#1}}
\DeclareEntryOption{useeditor}[true]{%
  \settoggle{blx@useeditor}{#1}}

\DeclareBibliographyOption{usetranslator}[true]{%
  \settoggle{blx@usetranslator}{#1}}
\DeclareTypeOption{usetranslator}[true]{%
  \settoggle{blx@usetranslator}{#1}}
\DeclareEntryOption{usetranslator}[true]{%
  \settoggle{blx@usetranslator}{#1}}

\DeclareTypeOption{skipbib}[true]{%
  \settoggle{blx@skipbib}{#1}}
\DeclareEntryOption{skipbib}[true]{%
  \settoggle{blx@skipbib}{#1}}

\DeclareTypeOption{skiplos}[true]{%
  \settoggle{blx@skiplos}{#1}}
\DeclareEntryOption{skiplos}[true]{%
  \settoggle{blx@skiplos}{#1}}

\DeclareTypeOption{skiplab}[true]{%
  \settoggle{blx@skiplab}{#1}}
\DeclareEntryOption{skiplab}[true]{%
  \settoggle{blx@skiplab}{#1}}

\DeclareTypeOption{dataonly}[true]{%
  \settoggle{blx@skipbib}{#1}%
  \settoggle{blx@skiplos}{#1}%
  \settoggle{blx@skiplab}{#1}}
\DeclareEntryOption{dataonly}[true]{%
  \settoggle{blx@skipbib}{#1}%
  \settoggle{blx@skiplos}{#1}%
  \settoggle{blx@skiplab}{#1}}

% Option processor/scheduler

\DeclareOption*{%
  \begingroup
  \def\blx@tempa#1=#2&{#1}%
  \edef\blx@tempa{%
    \expandafter\blx@tempa\CurrentOption=&}%
  \ifcsundef{KV@blx@opt@ldt@\blx@tempa}
    {\endgroup
     \eappto\blx@theoptions{\CurrentOption,}}
    {\edef\blx@tempa{\endgroup
       \noexpand\setkeys{blx@opt@ldt}{\CurrentOption}}%
     \blx@tempa}}

\def\blx@processoptions{%
  \ifundef\blx@theoptions
    {}
    {\begingroup
     \edef\blx@tempa{\endgroup
       \noexpand\setkeys{blx@opt@pre}{\blx@theoptions}}%
     \blx@tempa}}

%% Initial setup

% Set defaults

\setkeys{blx@opt@ldt}{style=numeric}
\setkeys{blx@opt@pre}{%
  sorting=nty,sortlos=los,sortcase,sortupper,sortcites=false,maxnames=3,minnames=1,
  maxitems=3,minitems=1,mincrossrefs=2,useauthor=true,useeditor=true,
  usetranslator=false,indexing=false,abbreviate=true,dateabbrev=true,
  backref=false,backrefsetstyle=setonly,pagetracker=false,ibidtracker=false,
  idemtracker=false,opcittracker=false,loccittracker=false,citetracker=false,
  block=none,language=auto,clearlang=true,babel=none,date=comp,origdate=comp,
  eventdate=comp,urldate=short,autopunct=true,punctfont=false,defernumbers=false,
  refsection=none,refsegment=none,citereset=none,hyperref=auto,
  parentracker,maxparens=3,maxline=79,bibencoding=auto,bibwarn}

% Load compatibility code

\blx@inputonce{blx-compat.def}{compatibility code}{}{}{}{}

% Restore catcodes

\blx@catcodes
\undef\blx@catcodes

% Process load-time options

\ProcessOptions*

% Load citation and bibliography styles, configuration file

\blx@inputonce{biblatex.def}{generic definitions}{}{}{}{}
\iftoggle{blx@natbib}
  {\blx@inputonce{blx-natbib.def}{natbib compatibility}{}{}{}{}}
  {}
\RequireBibliographyStyle{\blx@bbxfile}
\RequireCitationStyle{\blx@cbxfile}
\blx@secinit
\citereset
\blx@inputonce{biblatex.cfg}{configuration file}{}{}{}{}

% Process preamble options

\blx@processoptions

% Deferred setup at end of preamble

\AtEndPreamble{%
  \iftoggle{blx@firstinits}
    {\ifx\blx@uniquename\blx@opt@uniquename@true
       \setkeys{blx@opt@pre}{uniquename=init}%
       \blx@warn@conflopt{%
         'firstinits' conflicts with 'uniquename=true'.\MessageBreak
         Setting 'uniquename=init'}%
     \fi}
    {}%
  \ifnumgreater\blx@refhook@segment\z@
    {\ifnumgreater\blx@refhook@segment\blx@refhook@section
       {}
       {\blx@err@confopt
          {refsegment/refsection}
	  {The 'refsegment' option must point to a
           lower-level\MessageBreak document division
           than 'refsection'}%
	\def\blx@refhook@segment{0}}}
    {}%
  \ifcase\blx@refhook@segment
  \or % 1
    \ifundef\part
      {\blx@err@nodocdiv{part}}
      {\pretocmd\part{\newrefsegment}
         {}
         {\blx@err@patch{\string\part}}}%
  \or % 2
    \ifundef\chapter
      {\blx@err@nodocdiv{chapter}}
      {\pretocmd\chapter{\newrefsegment}
         {}
         {\blx@err@patch{\string\part}}}%
  \or % 3
    \ifundef\section
      {\blx@err@nodocdiv{section}}
      {\pretocmd\section{\newrefsegment}
         {}
         {\blx@err@patch{\string\part}}}%
  \or % 4
    \ifundef\subsection
      {\blx@err@nodocdiv{subsection}}
      {\pretocmd\subsection{\newrefsegment}
         {}
         {\blx@err@patch{\string\part}}}%
  \fi
  \ifcase\blx@refhook@section
  \or % 1
    \ifundef\part
      {\blx@err@nodocdiv{part}}
      {\pretocmd\part{\newrefsection}
         {}
         {\blx@err@patch{\string\part}}}%
  \or % 2
    \ifundef\chapter
      {\blx@err@nodocdiv{chapter}}
      {\pretocmd\chapter{\newrefsection}
         {}
         {\blx@err@patch{\string\part}}}%
  \or % 3
    \ifundef\section
      {\blx@err@nodocdiv{section}}
      {\pretocmd\section{\newrefsection}
         {}
         {\blx@err@patch{\string\part}}}%
  \or % 4
    \ifundef\subsection
      {\blx@err@nodocdiv{subsection}}
      {\pretocmd\subsection{\newrefsection}
         {}
         {\blx@err@patch{\string\part}}}%
  \fi
  \ifcase\blx@resethook
  \or % 1
    \ifundef\part
      {\blx@err@nodocdiv{part}}
      {\pretocmd\part{\citereset\blx@inf@creset}
         {}
         {\blx@err@patch{\string\part}}}%
  \or % 2
    \ifundef\chapter
      {\blx@err@nodocdiv{chapter}}
      {\pretocmd\chapter{\citereset\blx@inf@creset}
         {}
         {\blx@err@patch{\string\part}}}%
  \or % 3
    \ifundef\section
      {\blx@err@nodocdiv{section}}
      {\pretocmd\section{\citereset\blx@inf@creset}
         {}
         {\blx@err@patch{\string\part}}}%
  \or % 4
    \ifundef\subsection
      {\blx@err@nodocdiv{subsection}}
      {\pretocmd\subsection{\citereset\blx@inf@creset}
         {}
         {\blx@err@patch{\string\part}}}%
  \fi
  \blx@checkencoding}

\def\blx@checkencoding{%
  \ifundef\inputencodingname
    {\ifundef\XeTeXrevision
       {\ifundef\luatexversion
	  {\def\blx@inputencoding{ascii}%
	   \blx@info@noline{%
	     No input encoding detected.\MessageBreak
	     Assuming '\blx@inputencoding'}}
	  {\def\blx@inputencoding{utf8}%
	   \blx@info@noline{%
             LuaTeX detected.\MessageBreak
	     Assuming input encoding '\blx@inputencoding'}}}
       {\def\blx@inputencoding{utf8}%
        \blx@info@noline{%
	  XeTeX detected.\MessageBreak
	  Assuming input encoding '\blx@inputencoding'}}}
    {\let\blx@inputencoding\inputencodingname
     \ifboolexpr{
       test {\ifdefstring\blx@inputencoding{utf8x}}
       or
       test {\ifdefstring\blx@inputencoding{lutf8}}
     }
       {\def\blx@inputencoding{utf8}}
       {}%
     \blx@info@noline{%
       Input encoding '\blx@inputencoding' detected}}%
  \ifdef\blx@bibencoding
    {\ifdefstring\blx@bibencoding{ascii}
       {\blx@info@noline{%
	  Data encoding '\blx@bibencoding' specified.\MessageBreak
	  No need to reencode data}%
        \togglefalse{blx@reencode}}
       {\ifdefstring\blx@bibencoding{auto}
	  {\let\blx@bibencoding\blx@inputencoding
	   \blx@info@noline{%
	     Automatic encoding selection.\MessageBreak
	     Assuming data encoding '\blx@bibencoding'}
           \togglefalse{blx@reencode}}
	  {\ifdefequal\blx@bibencoding\blx@inputencoding
	     {\blx@info@noline{%
	        Data encoding '\blx@bibencoding' specified.\MessageBreak
		No need to reencode data}%
 	      \togglefalse{blx@reencode}}
	     {\ifnumequal\blx@backend\blx@backend@biber
	        {\blx@info@noline{%
	           Data encoding '\blx@bibencoding' specified.\MessageBreak
		   Backend will reencode on the fly}%
		 \togglefalse{blx@reencode}}
		{\blx@info@noline{%
	           Data encoding '\blx@bibencoding' specified.\MessageBreak
	           Reencoding not supported by backend.\MessageBreak
		   Falling back to reencoding with inputenc}%
		 \@ifpackageloaded{inputenc}
	           {\toggletrue{blx@reencode}}
		   {\@ifpackageloaded{inputenx}
	              {\toggletrue{blx@reencode}}
		      {\blx@warning@noline{%
			 On-the-fly data reencoding not supported by\MessageBreak
			 this setup. Load the 'inputenc/inputenx'\MessageBreak
			 package or use backend=biber. 'luainputenc'\MessageBreak
			 is not supported  (use backend=biber instead)}%
		       \togglefalse{blx@reencode}}}}}}}}
    {\def\blx@bibencoding{ascii}%
     \blx@info@noline{%
	Data encoding not specified.\MessageBreak
	Assuming '\blx@bibencoding'}%
     \togglefalse{blx@reencode}}%
  \ifdefstring\blx@bibencoding{ascii}
    {}
    {\ifdefstring\blx@bibencoding{utf8}
       {\ifnumless\blx@backend\blx@backend@bibtexu
	  {\blx@warning@noline{%
	     Data encoding is '\blx@bibencoding'.\MessageBreak
	     Use backend=bibtexu or backend=biber}}
	  {}}
       {\ifnumodd\blx@backend
	  {\ifnumequal\blx@backend\blx@backend@bibtexe
	     {\let\blx@csfencoding\blx@bibencoding}
	     {}}
	  {\blx@warning@noline{%
	     Data encoding is '\blx@bibencoding'.\MessageBreak
	     Use backend=bibtex8 or backend=biber}}}}}

% Deferred last minute setup

\AtBeginDocument{%
  \if@filesw
    \ifnum\blx@backend=\blx@backend@biber
      \blx@ifsigned{\jobname}{bcf}
        {\immediate\openout\blx@auxout\jobname.bcf\relax
         \blx@auxwrite\blx@auxout{}{\blx@bcf@start}%
         \AfterEndDocument{%
           \blx@auxwrite\blx@auxout{}{\blx@bcf@end}%
	   \immediate\closeout\blx@auxout}}
        {}%
    \else
      \blx@auxinit@bibtex\blx@bibfiles
      \blx@ifsigned{\blx@ctrlfile\blxauxsuffix}{bib}
        {\immediate\openout\blx@auxout\blx@ctrlfile\blxauxsuffix.bib\relax
         \blx@auxwrite\blx@auxout{}{\blx@ctrl@bibtex}%
         \immediate\closeout\blx@auxout}
        {}%
    \fi
    \blx@bblinput
    \blx@maxsection\z@
  \fi
  \csuse{abx@preamble}%
  \blx@inf@refsec
  \blx@inf@refseg}

\AtEndOfPackage{%
  \AtBeginDocument{%
    \let\do\undef
    \blx@dopreamblecmds
    \let\do\noexpand}}

\endinput
