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-%D \module
-%D   [       file=bibl-tra,
-%D        version=2009.08.22,
-%D          title=\CONTEXT\ Publication Module,
-%D       subtitle=Publications,
-%D         author=Taco Hoekwater,
-%D           date=\currentdate,
-%D      copyright={Public Domain}]
-%C
-%C Donated to the public domain.
-
-
-% % % % watch out ... bibl-tra-new.mkiv is work in progress % % % %
-
-% % % % mlbibtex also supports context and we can run that instead of bibtex % % % %
-
-%D This module has been adapted to \MKIV\ by Hans Hagen so if things go wrong,
-%D he is to blame. The changes concern references and lists but teh rendering
-%D itself is unchanged. Future versions might provide variants as we have plans
-%D for an upgrade.
-%D
-%D We use a still somewhat experimental extension to the list
-%D mechanism. Eventually the bibtex module will use the bibl loader
-%D and access the data by means of lpath expressions. In that case we
-%D don't need to process the bibliography but still need to track
-%D usage as done here.
-%D
-%D A bit ongoing: make more local macros prefixed with bib, i.e. the bib
-%D namespace is reserved.
-
-%D Todo: commandhandler
-
-\writestatus{loading}{ConTeXt Bibliography Support / BibTeX}
-
-\definefilesynonym[bib][obsolete]
-
-\registerctxluafile{bibl-tra}{1.001}
-
-%D The original was developed independantly by Taco Hoekwater while still working for Kluwer
-%D Academic publishers (it still used the dutch interface then). Development continued after
-%D he left Kluwer, and in Januari 2005, the then already internationalized file was merged
-%D with the core distribution by Hans Hagen. The current version is once again by Taco.
-%D
-%D More documentation and additional resources can be found on the contextgarden:
-%D \hyphenatedurl{http://wiki.contextgarden.net//Bibliography}.
-
-%D \subject{DONE (dd/mm/yyyy)}
-%D
-%D \startitemize
-%D \item add author definition (and associated system variable) (26/05/2005)
-%D \item add finalnamesep support for Oxford comma (17/09/2005)
-%D \item add \type{\insert...} for: doi, eprint, howpublished (19/09/2005)
-%D \item allow a defaulted \type{\setupcite} (19/11/2005)
-%D \item renamed citation type 'number' to 'serial' (19/11/2005)
-%D \item better definition of \type{\inverted...author} (19/11/2005)
-%D \item don't reset [numbercommand] in \type {\setuppublication} by default (20/11/2005)
-%D \item don't disable other \type {\setuppublication} keys if alternative is present (20/11/2005)
-%D \item drop \type{\sanitizeaccents} (20/11/2005)
-%D \item added \type{\nocite} and \type{\cite[none]} (21/11/2005)
-%D \item added headtext for it  (23/11/2005)
-%D \item make \type{\cite[url]} and \type{\cite[doi]} interactive (23/11/2005)
-%D \item make right-aligned labels in the list work even when autohang=no
-%D \item use 'et al.' instead of 'et.al.'. Pointed out by Peter M\"unster (30/12/2005)
-%D \item added headtext for cz (31/12/2005)
-%D \item Keep whitespace after \type{\cite} with single argument (31/12/2005)
-%D \item Fix broken \type{\cite{}} support (31/12/2005)
-%D \item Use \type{\readfile} inside \type{\usepublications} instead of \type{\readsysfile} (12/01/2006)
-%D \item Use \type{\currentbibyear} and \type{\currentbibauthor} instead of \type{\YR} and \type{\AU} (05/02/2006)
-%D \item Fix compressed version of authoryear style (05/02/2006)
-%D \item Rename the clashing data fields \type{\url} and \type{\type} to \type{\biburl} and \type{\bibtype} (05/02/2006)
-%D \item Added two french bibl files from Renaud Aubin (06/02/2006)
-%D \item Five new bib class and eight extra bib fields, for IEEEtran (07/02/2006)
-%D \item French keyword translation, provided by Renaud (08/02/2006)
-%D \item fix underscores in undefined keys (22/02/2006)
-%D \item Destroy interactivity in labels of the publication list (13/03/2006)
-%D \item fix multi-cite list compression (11/4/2006)
-%D \item fix \type{\getcitedata} (11/4/2006)
-%D \item magic for chapter bibs (18-25/4/2006)
-%D \item language setting (25/4/2006)
-%D \item use \type{\hyphenatedurl} for \type{\inserturl} (25/4/2006)
-%D \item Add \type{\docitation} to \type{\nocite}(26/4/2006)
-%D \item patents can have numbers, added to bst files (26/4/2006)
-%D \item \type{\docitation} needs a \type{\iftrialtypesetting} (27/4/2006)
-%D \item \type{\filllocalpublist}'s loop is bound by definedness, not resolvedness (27/4/2006)
-%D \item \type{\setuppublications[monthconversion=]} added (15/5/2006)
-%D \item use \type{\undefinedreference} instead of bare question marks (15/5/2006)
-%D \item add grouping around \type{\placepublications} commands (16/5/2006)
-%D \item fix a bug in \type{\cite{<item>}} (17/5/2006)
-%D \item support \type{\cite[authornum]} (18/5/2006)
-%D \item make \type{\cite} unexpandable (20/6/2006)
-%D \item allow hyperlinks in author\&year combo's
-%D       (cite list compression has to be off) (20/6/2006)
-%D \item fix duplicate labels for per-chapter style (20/6/2006)
-%D \item allow \type{\setupcite[interaction=(start|stop)]}
-%D \item fix the item number in the publication list with 'numbering=yes' (22/6/2006)
-%D \item make the default criterium for \type{\placepublications} be \type{previous} (23/6/2006)
-%D \item fix \type{\normalauthor} and \type{\normalshortauthor} spacing (29/6/2006)
-%D \item do not typeset empty arguments to \type{\typesetapublication} (29/6/2006)
-%D \item add \type{symbol=none} to \type{\setuplist} in unnumbered
-%D       mode to prevent typesetting of bare numbers (29/6/2006)
-%D \item remove two incorrect spaces from bibl-num.tex (1/7/2006)
-%D \item reset font styles within \type{\cite}, so that font switches
-%D       in \type{left} stay in effect (12/7/2006)
-%D \item guard added against loading bbl files multiple times (13/7/2006)
-%D \item fix \type{\cite[num]} with compression is on. (14/7/2006)
-%D \item test \type{\iflocation} before deciding to use the
-%D       interactive version of cite (18/7/2006)
-%D \item support \type{\setupcite[authoretallimit=1]} (18/7/2006)
-%D \item support use of \type{\cite} within titles and captions by
-%D       saveguarding the list item extraction and reference placement
-%D       code (19/7/2006)
-%D \item support \type{\setuppublicationlist[title=\chapter]} (4/8/2006)
-%D \item use the expansion of \type{\headtext{pubs}} (4/8/2006)
-%D \item hook added for repeated authors in publication list
-%D       \type{\setuppublicationlist[artauthorcommand=\mythreeargscommand]}
-%D       (4/8/2006)
-%D \item make the bracketed arguments of \type{\artauthor}, \type{\author}
-%D        and \type{\editor} (bbl commands) optional (4/8/2006)
-%D \item the constants \type{sorttype}, \type{compress} and
-%D        \type{autohang} have moved to the core (8/8/2006)
-%D \item bibtex is now registered as a program to be run by texexec (8/8/2006)
-%D \item fix a bug in \type{\setupcite[authoretallimit=1]} (9/8/2006)
-%D \item fix a bug inside citations that prevented lastpubsep from ever being
-%D       used due to a volatile \type{\commalistsize} (25/8/2006).
-%D \item added the possibility of \type{\placepublications[option=continue]}
-%D       (6/9/2006)
-%D \item Mojca translated Master's Thesis to Masterarbeit (bibl-apa-de.tex)
-%D       (12/9/2006)
-%D \item Added \type{\setuppublicationlist[maybeyear=off]} by request from
-%D       Thomas Schmitz (15/9/2006)
-%D \item Removed some spurious spaces pointed out by willi egger (19/9/2006)
-%D \item Add configuration of bibtex executable name (4/11/2006)
-%D \item Fix numbering=short and numbering=bib (spotted by Matthias W\"achter) (4/11/2006)
-%D \item third attempt to get a correct release (5/11/2006)
-%D \item fix a few missing dots in bibl-num.tex  (7/12/2006)
-%D \item Patch for DOI's by Tobias Burnus (17/4/2007)
-%D \item Patch for \type{\insertbiburl} and \type{\insertdoi} for  Tobias Burnus (18/4/2007)
-%D \item Added a missing \type{\relax} in \type{\dospecialbibinsert},
-%D       that made the space before the {\it et al.} text disappear.  (18/4/2007)
-%D \item Attempt to fix percent signs in bbl files. As a side-effect,
-%D       this prohibits comments in \tex{startpublication} blocks! (17/4/2008)
-%D \item Patch from Matthias W\"achter that allows arbitrary .bst
-%D        files to be used with \tex{setupbibtex} (25/9/2008)
-%D \item Extended for the new multilingual setups for the Oct 2008 current of ConTeXt (23/10/2008)
-%D \item Multilingual setups needed another fix (27/10/2008)
-%D \item Two fixes for bibl-apa by Michael Green (27/10/2008)
-%D \item Catalan translation of 'References' (10/11/2008)
-%D \item 'chapter' -> 'chapitre' in bibl-apa-fr (27/11/2008)
-%D \item Run bibtex via os.execute in  mkiv modee (01/12/2008)
-%D \item Small correction in bibl-apa's placement of volume
-%D       information in articles (05/01/2009)
-%D \item Handle multi-author (more than two) cases in \type{\cite}
-%D       (02/03/2009)
-%D \item Suppress a syntax error in \type{cont-xp} mode. The output is
-%D       probably not right, though (02/03/2009)
-%D \item Added a \tex{loadmarkfile} at the end, and two new files
-%D       from Hans. The \type{t-bib.mkiv} is needed to make the module
-%D       work with the new structure code (17/04/2009)
-%D \item Added a patch to \type{t-bib.mkiv} from Hans to make the
-%D       cross referencing between multiple citations an
-%D       bibliographies work (27/04/2009)
-%D \item Remove a superfluous \type{\unprotect} in t-bib.mkiv (11/05/2009).
-%D \item Patch of incollection in bibl-ams.tex from Xan (08/06/2009).
-%D \item Patch of unpublished in bibl-ams.tex from Xan (22/07/2009).
-%D \item Modified \type{\bibdogetupsometextprefix} so it works for undefined
-%D       language labels, from Hans (13/08/2009).
-%D \item Adapt referencing and list insertion to \MKIV. Update some code
-%D       to the latest \CONTEXT. Change some names in order to avoid conflicts
-%D       with existing core names (like \type {\insertpages}).
-%D \item All constants, variables, message etc.\ are now in the core.
-%D \item Added key: \type {method} (when \type {global}, previous shown entries are
-%D       not shown again, when \type {local} they are repeated).
-%D \stopitemize
-%D
-%D \subject{WISHLIST}
-%D
-%D \startitemize
-%D \item link back from publication list to citation
-%D \item export \type {\citation{<cited item>}}
-%D \item support mlbibtex
-%D \item don't load the whole lot, but filter entries instead
-%D \item 9 vs 10, 19 vs 20 ... prevent extra runs when only subtle changes in wd of reference
-%D \stopitemize
-
-\unprotect
-
-\def\biblistname{pubs} % for compatibility
-
-\definelist
-  [pubs]
-
-\setuplist
-  [pubs]
-  [\c!state=\v!start,
-   \c!criterium=\@@pbcriterium,
-   \c!headnumber=\v!always, % needed as we provide our own and need to force
-   \c!width=]
-
-\installstructurelistprocessor{pubs:userdata}%
-  {\ctxlua{bibtex.hacks.add(structures.lists.uservalue("\currentlist",\currentlistindex,"bibref"),\currentlistindex)}}
-
-\ifdefined\bibtexblock   \else \newcount\bibtexblock   \fi \bibtexblock\plusone
-\ifdefined\bibtexcounter \else \newcount\bibtexcounter \fi
-
-%D \macros{bibdoif,bibdoifnot,bibdoifelse}
-%D
-%D Here are a few small helpers that are used a lot in all the typesetting commands
-%D (\type{\bibinsert...}) we will encounter later.
-
-\unexpanded\def\bibdoifelse#1%
-  {\expandafter\def\expandafter\!!stringa\expandafter{#1}%
-   \ifx\!!stringa\empty
-     \expandafter\secondoftwoarguments
-   \else
-     \expandafter\firstoftwoarguments
-   \fi}
-
-\unexpanded\def\bibdoifnot#1%
-  {\expandafter\def\expandafter\!!stringa\expandafter{#1}%
-   \ifx\!!stringa\empty
-     \expandafter\firstofoneargument
-   \else
-     \expandafter\gobbleoneargument
-   \fi}
-
-\unexpanded\def\bibdoif#1%
-  {\expandafter\def\expandafter\!!stringa\expandafter{#1}%
-   \ifx\!!stringa\empty
-     \expandafter\gobbleoneargument
-   \else
-     \expandafter\firstofoneargument
-   \fi}
-
-%D Unfortunately, \BIBTEX\ is not the best configurable program
-%D around. The names of the commands it parses as well as the \type{.aux}
-%D extension to the file name are both hardwired.
-%D
-%D This means \CONTEXT\ has to write a \LATEX-style auxiliary file, yuk!
-%D The good news is that it can be rather short. We'll just ask
-%D \BIBTEX\ to output the entire database(s) into the \type{bbl} file.
-%D
-%D The \type{\bibstyle} command controls how the \type{bbl} file will
-%D be sorted. The possibilities are:
-%D
-%D \startitemize[packed]
-%D \item by author (+year, title): cont-au.bst
-%D \item by title  (+author, year): cont-ti.bst
-%D \item by short key as in abbrev.bst: cont-ab.bst
-%D \item not sorted at all: cont-no.bst
-%D \stopitemize
-
-\newtoks\everysetupbibtex
-
-\unexpanded\def\setupbibtex
-  {\dosingleempty\dosetupbibtex}
-
-\unexpanded\def\dosetupbibtex[#1]%
-  {\let\@@pbdatabase\empty
-   \getparameters[\??pb][#1]%
-   \the\everysetupbibtex}
-
-\unexpanded\def\installbibtexsorter#1#2%
-  {\setvalue{\??pb:\c!sort:#1}{#2}}
-
-\installbibtexsorter\v!no     {no}
-\installbibtexsorter\v!author {au}
-\installbibtexsorter\v!title  {ti}
-\installbibtexsorter\v!short  {ab}
-\installbibtexsorter\empty    {no}
-\installbibtexsorter\s!default{no}
-
-\def\thebibtexsorter{\executeifdefined{\??pb:\c!sort:\@@pbsort}\@@pbsort}
-
-\appendtoks
-   \ifx\@@pbdatabase\empty\else
-     \doifmode{*\v!first}{\ctxlua{bibtex.hacks.process { style="\thebibtexsorter", database="\@@pbdatabase" }}}%
-   \fi
-\to \everysetupbibtex
-
-\setupbibtex
-  [\c!sorttype=\v!cite,
-   \c!sort=no]
-
-%D \macros{iftypesetall,ifbibcitecompress}
-%D
-%D The module needs some new \type{\if} statements.
-
-\newtoks\everysetuppublications
-
-\unexpanded\def\setuppublications
-  {\dosingleargument\dosetuppublications}
-
-\unexpanded\def\dosetuppublications[#1]%
-  {\getparameters[\??pb][\c!alternative=,#1]%
-   \doifsomething\@@pbalternative
-     {\readsysfile{bibl-\@@pbalternative.tex}
-        {\showmessage\m!publications{6}{bibl-\@@pbalternative}}
-        {\showmessage\m!publications{1}{bibl-\@@pbalternative}}%
-      \let\@@pbalternative\empty}%
-   \let\setuppublicationlayout\normalsetuppublicationlayout % overloaded in bibl-num ... vadjust needs to be done with option
-   \getparameters[\??pb][#1]% as bibl-* can have set things back
-   \the\everysetuppublications
-   \ignorespaces}
-
-%D We can omit already shown references (\v!global) or use fresh
-%D lists each time (\v!local).
-
-\setnewconstant\bibtexoncemode\plusone % 0=disable, 1=local, 2=global
-
-\appendtoks
-  \doifelse\@@pbmethod\v!local
-    {\bibtexoncemode\plusone}%
-    {\bibtexoncemode\plustwo}%
-\to \everysetuppublications
-
-%D Cite lists are compressed, if possible. This is set later on.
-
-\newif\ifbibcitecompress\bibcitecompresstrue
-
-\def\@@pbinumbercommand{\executeifdefined{\??pb:\c!numbercommand:\@@pbnumbering}\firstofoneargument}
-
-\setvalue{\??pb:\c!numbercommand:\v!yes  }#1{#1}%
-\setvalue{\??pb:\c!numbercommand:\v!no   }#1{}
-\setvalue{\??pb:\c!numbercommand:\v!short}#1{\bibgetvars\currentpublicationkey}
-\setvalue{\??pb:\c!numbercommand:\v!bib  }#1{\bibgetvarn\currentpublicationkey}
-
-% to be tested
-%
-% \setvalue{\??pb:\c!numbercommand:\v!short}{\bibgetvars\currentpublicationkey\firstofoneargument}
-% \setvalue{\??pb:\c!numbercommand:\v!bib  }{\bibgetvarn\currentpublicationkey\firstofoneargument}
-
-\appendtoks
-  \processaction
-    [\@@pbrefcommand]
-    [\s!default=>\edef\@@citedefault{\@@pbrefcommand},
-     \s!unknown=>\edef\@@citedefault{\@@pbrefcommand}]%
-\to \everysetuppublications
-
-\unexpanded\def\bibleftnumber#1{#1\hfill~}
-
-%D \macros{usepublications}
-%D
-%D After discussing it with Thomas Schmitz it became clear that using external
-%D references makes no sense as one needs to refer to it in special ways and
-%D because similar numbers can be confusing. So, for the moment this is not
-%D supported in \MKIV. (So no: see reference [3-5,9] in "some other document")
-
-\unexpanded\def\usepublications[#1]%
-  {\processcommalist[#1]\dousepublications}
-
-\unexpanded\def\dousepublications#1%
-  {\doonlyonce{#1.\f!bibextension}{\dodousepublications{#1}}}
-
-\unexpanded\def\dodousepublications#1% brr, this par stuff
-  {\let\@@savedpar\par
-   \let\par\ignorespaces
-   \ifhmode\kern\zeropoint\fi
-   \pushcatcodetable
-   \setcatcodetable\ctxcatcodes
-   \readfile{#1.\f!bibextension}
-     {\showmessage\m!publications{4}{#1.\f!bibextension}}
-     {\showmessage\m!publications{2}{#1.\f!bibextension}}%
-   \popcatcodetable
-   \ifhmode\removeunwantedspaces\fi
-   \let\par\@@savedpar}
-
-%D \macros{setuppublicationlist}
-%D
-%D This will be the first command in (\BIBTEX-generated) \type{bbl}
-%D files. `samplesize' is a sample value (in case of \BIBTEX-generated
-%D files, this will be the longest `short' key). `totalnumber'
-%D is the total number of entries that will follow in this
-%D file.
-%D
-%D Both values are only needed for the label calculation
-%D if `autohang' is `true', so by default the command is
-%D not even needed, and therefore I saw no need to give
-%D it it's own system variable and it just re-uses \type{pb}.
-
-\def\publicationlistparameter#1{\csname\??pv:l:#1\endcsname}
-
-\unexpanded\def\setuppublicationlist
-  {\dosingleempty\dosetuppublicationlist}
-
-\unexpanded\def\dosetuppublicationlist[#1]%
-  {\getparameters[\??pv:l:][#1]%
-   \setuplist[pubs][\c!samplesize={AA99},\c!alternative=a,\c!interaction=,\c!pagenumber=\v!no,#1,\c!command=]}
-
-\unexpanded\def\setuppublicationlayout[#1]#2%
-  {\setvalue{\??pv:l:#1}{#2}}
-
-\let\normalsetuppublicationlayout\setuppublicationlayout
-
-\setuppublicationlist
-  [\c!title=,
-   \c!command=\dospecialbibinsert,
-   \c!maybeyear=\v!on]
-
-%D \macros{bibalternative}
-%D
-%D A nice little shorthand that will be used so we don't have to
-%D key in the weird \type{\@@pv} parameter names all the time.
-
-\def\bibalternative#1%
-  {\csname\??pv\@@currentalternative#1\endcsname}
-
-%D \macros{simplebibdef,bibcommandlist}
-%D
-%D \type{\simplebibdef} defines \type{bib@#1}, which in turn will
-%D use one argument that is stored in \type{@@pb@#1}.
-%D
-%D \type{\simplebibdef} also defines \type{bibinsert#1}, which can be
-%D used in the argument of \type{\setuppublicationlayout} to fetch
-%D one of the \type{@@pb@} data entries. \type{bibinsert#1} then has
-%D three arguments: \type{#1} are commands to be executed before the
-%D data, \type{#2} are commands to be executed after the data, and
-%D \type{#3} are commands to be executed if the data is not found.
-%D
-%D \type{\bibcommandlist} is the list of commands that is affected
-%D by this approach. Later on, it will be used to do a series
-%D of assignments from \type{#1} to \type{bib@#1}: e.g
-%D \type{\title} becomes \type{\bib@title} when used within
-%D a publication.
-
-\newtoks\initializebibdefinitions % we need to prevent clashes
-
-\unexpanded\def\simplebibdef#1% hh: funny expansion ?
-  {\expandafter\def\csname bib@#1\endcsname##1%
-     {\setvalue{\??pb @#1}{##1}\ignorespaces}%
-   \expandafter \appendtoks
-     \expandafter\let\csname insert#1\expandafter\endcsname\csname bibinsert#1\endcsname
-   \to \initializebibdefinitions
-   \expandafter\unexpanded\expandafter\def\csname bibinsert#1\endcsname##1##2##3%
-     {\expandafter\bibdoifelse\expandafter{\csname\??pb @#1\endcsname}{##1\csname\??pb @#1\endcsname##2}{##3}}}
-
-\def\bibcommandlist
-  {abstract, annotate, arttitle, assignee, bibnumber, bibtype, biburl, chapter, city,
-   comment, country, day, dayfiled, doi, edition, eprint, howpublished, isbn, issn,
-   issue, journal, keyword, keywords, lastchecked, month, monthfiled, names, nationality,
-   note, notes, organization, pages, pubname, pubyear, revision, series, size, thekey,
-   title, volume, yearfiled}
-
-\processcommacommand[\bibcommandlist]\simplebibdef
-
-\unexpanded\def\bibinsertdoi#1#2#3% let's see how this fails
-  {\bibdoifelse{\@@pb@doi}{#1\expanded{\bibgotoDOI{\@@pb@thekey}{\@@pb@doi}}#2}{#3}}
-
-\unexpanded\def\bibinsertbiburl#1#2#3% let's see how this fails
-  {\bibdoifelse{\@@pb@biburl}{#1\expanded{\bibgotoURL{\@@pb@thekey}{\@@pb@biburl}}#2}{#3}}
-
-\unexpanded\def\bibinsertmonth#1#2#3%
-  {\bibdoifelse\@@pb@month
-     {#1\doifelsenumber\@@pb@month
-       {\doifelseconversiondefined\@@pbmonthconversion
-          {\convertnumber\@@pbmonthconversion\@@pb@month}{\@@pb@month}}%
-          {\@@pb@month}#2}%
-     {#3}}
-
-\appendtoks
-    \let\inserturl \bibinsertbiburl  % for backward compat.
-    \let\inserttype\bibinsertbibtype % for backward compat.
-\to\initializebibdefinitions
-
-\unexpanded\def\newbibfield[#1]%
-  {\simplebibdef{#1}%
-   \edef\bibcommandlist{\bibcommandlist,#1}}
-
-%D \macros{complexbibdef,specialbibinsert}
-%D
-%D The commands \type{\artauthor}, \type{\author} and
-%D \type{\editor} are more complex than the other commands.
-%D Their argument lists have this form:
-%D
-%D \type{\author[junior]{firstnames}[inits]{von}{surname}}
-%D
-%D (bracketed stuff is optional)
-%D
-%D And not only that, but there also might be more than one of each of
-%D these commands. This is why a special command is needed to insert
-%D them, as well as one extra counter for each command.
-
-% todo: instead of \getvalue{bla@num} in specs we should do
-% \bibentrynum{bla} so that we can create a better namespace
-
-%D All of these \type{\expandafter}'s and \type{\csnames} make this code
-%D look far more complex than it really is. For example, the argument
-%D \type{author} defines the macro \type{\bib@author} to do two
-%D things: increment the counter \type{\author@num} (let's say to 2)
-%D and next store it's arguments in the macro \type{\@@pb@author2}.
-%D And it defines \type{\bibinsertauthors} to expand into
-%D \starttyping
-%D \specialbibinsert{author}{\author@num}{<before>}{<after>}{<not>}
-%D \stoptyping
-
-\unexpanded\def\docomplexbibdef#1%
-  {\dodoubleempty\dodocomplexbibdef[#1]}
-
-\unexpanded\def\dodocomplexbibdef[#1][#2]#3%
-  {\doquadrupleempty\dododocomplexbibdef[#1][#2][#3]}
-
-\unexpanded\def\dododocomplexbibdef[#1][#2][#3][#4]#5#6%
-  {\expandafter\increment\csname#1@num\endcsname % todo: bib in name
-   \setevalue{\??pb @#1\csname#1@num\endcsname}{{#3}{#5}{#6}{#4}{#2}}\ignorespaces}
-
-\unexpanded\def\complexbibdef#1%
-  {\expandafter\newcounter\csname #1@num\endcsname
-   \expandafter\def\csname bib@#1\endcsname{\docomplexbibdef{#1}}%
-   \expandafter \appendtoks
-     \expandafter\let\csname insert#1s\expandafter\endcsname\csname bibinsert#1s\endcsname
-   \to \initializebibdefinitions
-   \expandafter\def\csname bibinsert#1s\endcsname##1##2##3{\specialbibinsert{#1}{\csname #1@num\endcsname}{##1}{\unskip ##2}{##3}}}
-
-\processcommalist[author,artauthor,editor]\complexbibdef
-
-%D Another level of indirection is needed to control the
-%D typesetting of all of these arguments.
-
-\newcount\etallimitcounter
-\newcount\etaldisplaycounter
-\newcount\todocounter
-
-\unexpanded\def\specialbibinsert#1#2#3#4#5%
-  {\bgroup
-   \ifnum#2>\zerocount
-     \etallimitcounter  =0\bibalternative{#1etallimit}\relax
-     \etaldisplaycounter=0\bibalternative{#1etaldisplay}\relax
-     \ifnum #2>\etallimitcounter
-       \todocounter\etaldisplaycounter
-       % just in case ...
-	   \ifnum\todocounter>\etallimitcounter
-         \todocounter\etallimitcounter
-       \fi
-     \else
-       \todocounter#2\relax
-     \fi
-     \ifnum\todocounter>\zerocount
-       % find the current author list
-       \let\templist\empty
-       \dorecurse{#2}
-         {\scratchtoks\doubleexpandafter{\csname\??pb @#1\recurselevel\endcsname}%
-          \edef\templist{\ifx\templist\empty\else\templist,\fi\the\scratchtoks}}%
-       #3\publicationlistparameter\c!command{#1}{\todocounter}{\templist}#4\relax
-     \else
-       #5%
-     \fi
-   \else
-     #5%
-   \fi
-   \egroup}
-
-%D This macro does the hard work of inserting a list of people in the
-%D output, with proper regard of all the inbetween strings that can
-%D arise depending on length of the list of people.
-
-%D \#1 = type
-%D \#2 = number of items to be typeset
-%D \#3 = commacommand containing authors
-
-\unexpanded\def\doprocessauthoritem#1#2#3%
-  {\advance\scratchcounter\plusone
-   \ifnum\numexpr\scratchcounter-\plusone\relax<#2\relax
-     \publicationlistparameter{#1}#3%
-     \ifnum\scratchcounter=#2\relax
-       \ifnum\etallimitcounter<\commalistsize\relax
-         \bibalternative{#1etaltext}%
-       \fi
-     \else\ifnum\numexpr\scratchcounter+\plusone\relax=#2\relax
-        \ifnum\commalistsize>\plustwo
-          \bibalternative\c!finalnamesep
-        \else
-          \bibalternative\c!lastnamesep
-        \fi
-     \else
-       \bibalternative\c!namesep
-     \fi\fi
-   \fi}
-
-\unexpanded\def\dospecialbibinsert#1#2#3%
-  {\getcommacommandsize[#3]%
-   \scratchcounter\zerocount
-   \processcommacommand[#3]{\doprocessauthoritem{#1}{#2}}}
-
-%D \macros{invertedauthor,normalauthor,invertedshortauthor,normalshortauthor}
-%D
-%D Just some commands that can be used in \type{\setuppublicationparameters}
-%D If you want to write an extension to the styles, you might
-%D as well define some of these commands yourself.
-%D
-%D The argument list has been reordered here, and the meanings
-%D are:
-%D
-%D \startlines
-%D \type{#1} firstnames
-%D \type{#2} von
-%D \type{#3} surname
-%D \type{#4} inits
-%D \type{#5} junior
-%D \stoplines
-
-\unexpanded\def\normalauthor#1#2#3#4#5%
-  {\bibdoif{#1}{#1\bibalternative\c!firstnamesep}%
-   \bibdoif{#2}{#2\bibalternative\c!vonsep}%
-   #3%
-   \bibdoif{#5}{\bibalternative\c!surnamesep#5\unskip}}
-
-\unexpanded\def\normalshortauthor#1#2#3#4#5%
-  {\bibdoif{#4}{#4\bibalternative\c!firstnamesep}%
-   \bibdoif{#2}{#2\bibalternative\c!vonsep}%
-   #3%
-   \bibdoif{#5}{\bibalternative\c!surnamesep#5\unskip}}
-
-\unexpanded\def\invertedauthor#1#2#3#4#5%
-  {\bibdoif{#2}{#2\bibalternative\c!vonsep}%
-   #3%
-   \bibdoif{#5}{\bibalternative\c!juniorsep#5}%
-   \bibdoif{#1}{\bibalternative\c!surnamesep#1\unskip}}
-
-\unexpanded\def\invertedshortauthor#1#2#3#4#5%
-  {\bibdoif{#2}{#2\bibalternative\c!vonsep}%
-   #3%
-   \bibdoif{#5}{\bibalternative\c!juniorsep#5}%
-   \bibdoif{#4}{\bibalternative\c!surnamesep#4\unskip}}
-
-%D \macros{clearbibitem,clearbibitemtwo,bibitemdefs}
-%D
-%D These are used in \type{\typesetapublication} to do
-%D initializations and cleanups.
-
-\unexpanded\def\clearbibitem#1{\setvalue{\??pb @#1}{}}%
-
-\unexpanded\def\clearbibitemtwo#1% is this reset really needed? after all we reset the counter and we are local
-  {%\dofastrecurse\plusone{\csname#1@num\endcsname}\plusone{\expandafter\let\csname\??pb @#1\recurselevel\undefined}%
-   \letvalue{#1@num}\!!zerocount}
-
-\unexpanded\def\bibitemdefs#1%
-  {\expandafter\let\csname#1\expandafter\endcsname\csname bib@#1\endcsname}
-
-\unexpanded\def\presetbibvariables % make a fast resetter (toks)
-  {\processcommacommand[\bibcommandlist,crossref]\clearbibitem
-   \processcommalist   [artauthor,author,editor]\clearbibitemtwo
-   \processcommacommand[\bibcommandlist]\bibitemdefs
-   \processcommalist   [artauthor,author,editor,crossref]\bibitemdefs}
-
-%D \macros{startpublication}
-%D
-%D We are coming to the end of this module, to the macros that
-%D do typesetting and read the \type{bbl} file.
-
-%D Just a \type{\dosingleempty} is the most friendly
-%D of doing this: there need not even be an argument
-%D to \type{\startpublication}. Of course, then there
-%D is no key either, and it had better be an
-%D article (otherwise the layout will be all screwed up).
-%D
-%D Only specifying the key in the argument is also
-%D legal. In storing this stuff into macros, some trickery with
-%D token registers is needed to fix the expansion problems. Even so,
-%D this appears to not always be 100\% safe, so people are
-%D urgently advised to use \ETEX\ instead of traditional \TEX.
-%D
-%D In \ETEX, all expansion problems are conveniently solved by
-%D the primitive \type{\protected}. To put that another way:
-%D
-%D It's not a bug in this module if it does not appear in \ETEX!
-%D
-%D Now prohibits comments, so % can be used for urls
-
-\unexpanded\def\startpublication
-  {\dosingleempty\dostartpublication}
-
-\let\stoppublication\relax
-
-% this is rather memory hungry; some day i will rewrite this so that
-% we use the database instead
-
-%D \macros{doifbibreferencefoundelse}
-%D
-%D Some macros to fetch the information provided by
-%D \type{\startpublication}.
-
-% we can consider a faster variant in the bbl file; we can also consider
-% storing the keys in lua (and then do more in lua) and use calls to
-% fetch the variables
-
-% hm, we can store at the lua end ...
-
-\unexpanded\def\dostartpublication[#1]%
-  {\begingroup
-   \doifelseassignment{#1}%
-     {\getparameters[\??pb][k=\s!unknown,t=article,n=,s=,a=,y=,o=,u=,#1]}%
-     {\getparameters[\??pb][k=#1,t=article,n=,s=,a=,y=,o=,u=]}%
-   \ctxlua{bibtex.hacks.register(\!!bs\@@pbk\!!es,\!!bs\@@pbs\!!es)}%
-   \catcode\commentasciicode\othercatcode
-   \dodostartpublication}
-
-\unexpanded\def\dodostartpublication#1\stoppublication
-  {\setxvalue{pbd:\@@pbk}##1{\noexpand\ifcase##1\noexpand\or
-     \@@pbk\noexpand\or
-     \@@pba\noexpand\or
-     \@@pby\noexpand\or
-     \@@pbs\noexpand\or
-     \@@pbn\noexpand\or
-     \@@pbt\noexpand\or
-     \@@pbo\noexpand\or
-     \@@pbu\noexpand\or
-     \normalunexpanded{#1}\noexpand\fi}%
-   \endgroup
-   \ignorespaces}
-
-\def\bibgetvark#1{\csname pbd:#1\endcsname\plusone  }
-\def\bibgetvara#1{\csname pbd:#1\endcsname\plustwo  }
-\def\bibgetvary#1{\csname pbd:#1\endcsname\plusthree}
-\def\bibgetvars#1{\csname pbd:#1\endcsname\plusfour }
-\def\bibgetvarn#1{\csname pbd:#1\endcsname\plusfive }
-\def\bibgetvart#1{\csname pbd:#1\endcsname\plussix  }
-\def\bibgetvaro#1{\csname pbd:#1\endcsname\plusseven}
-\def\bibgetvaru#1{\csname pbd:#1\endcsname\pluseight}
-\def\bibgetvard#1{\csname pbd:#1\endcsname\plusnine }
-
-\unexpanded\def\doifelsebibreferencefound#1%
-  {\preloadbiblist
-   \doifelsedefined{pbd:#1}
-     \firstoftwoarguments
-     {\showmessage\m!publications{5}{#1,\the\inputlineno}\secondoftwoarguments}}
-
-\let\doifbibreferencefoundelse\doifelsebibreferencefound
-
-%D \macros{bib@crossref}
-%D
-%D \type{\crossref} is used in database files to point to another
-%D entry. Because of this special situation, it has to be defined
-%D separately. Since this command will not be seen until at
-%D \type{\placepublications}, it may force extra runs. The same is
-%D true for \type{\cite} commands inside of publications.
-
-% used in bib self
-
-\unexpanded\def\bib@crossref#1% called via \csname \endcsname
-  {\setvalue{\??pb @crossref}{#1}\ignorespaces}
-
-\unexpanded\def\bibinsertcrossref#1#2#3%
-  {\bibdoifelse\@@pb@crossref{#1\cite[\@@pb@crossref]#2}{#3}}
-
-\let\insertcrossref\gobblethreearguments
-
-\appendtoks\let\insertcrossref\bibinsertcrossref\to\initializebibdefinitions
-
-%D The next macro is needed because the number command of the
-%D publist sometimes needs to fetch something from the current
-%D item (like the 'short' key). For this, the ID of the current
-%D item is passed in the implict parameter \type{\currentpublicationkey}
-
-\unexpanded\def\doprocessbibtexentry#1{\typesetapublication{#1}}
-
-\unexpanded\def\typesetpubslist
-  {\begingroup
-   \startpacked[\v!blank]%
-   \preloadbiblist
-   % \the\initializebibdefinitions % COMMENTED
-   \edef\currentlist{pubs}%
-   \ctxlua{bibtex.hacks.reset(\number\bibtexoncemode)}%
-   \doifelse{\listparameter\c!criterium}\v!all
-     {\showmessage\m!publications{7}{}%
-      \ctxlua{bibtex.hacks.filterall()}}
-     {\doif{\listparameter\c!criterium}\v!cite
-        {\setuplist[pubs][\c!criterium=\v!here]}%
-      \strc_lists_place_current
-        {pubs}%
-        {\listparameter\c!criterium}%
-        {}%
-        {\listparameter\c!extras}%
-        {\listparameter\c!order}}%
-   \ctxlua{bibtex.hacks.flush("\@@pbsorttype")}%
-   \stoppacked
-   \endgroup}
-
-\newif\ifinpublist
-
-\unexpanded\def\initializepubslist
-  {\def\currentlist{pubs}%
-   \edef\@@pbnumbering{\@@pbnumbering}%
-   \doifelse\@@pbautohang\v!yes
-     {\ifx\@@pbnumbering\v!short
-        \setbox\scratchbox\hbox{\@@pbnumbercommand{\listparameter\c!samplesize}}%
-      \else
-        \doifelse{\listparameter\c!criterium}\v!all
-          {\setbox\scratchbox\hbox{\@@pbnumbercommand{\ctxlua{tex.write{bibtex.hacks.nofregistered()}}}}}
-          {\determinelistcharacteristics[pubs]%
-           \setbox\scratchbox\hbox{\@@pbnumbercommand{\structurelistsize}}}%
-      \fi
-      \edef\publistnumberbox{\hbox to \the\wd\scratchbox}%
-      \expanded{\setuplist[pubs][\c!width=\the\wd\scratchbox,\c!distance=\zeropoint]}%
-      \ifx\@@pbnumbering\v!short
-        \def\@@pblimitednumber##1{\publistnumberbox{\@@pbnumbercommand{\bibgetvars\currentpublicationkey}}}%
-      \else\ifx\@@pbnumbering\v!bib
-        \def\@@pblimitednumber##1{\publistnumberbox{\@@pbnumbercommand{\bibgetvarn\currentpublicationkey}}}%
-      \else
-        \def\@@pblimitednumber##1{\publistnumberbox{\@@pbnumbercommand{##1}}}%
-      \fi\fi}
-     {\doifelsenothing{\listparameter\c!width}
-        {\let \publistnumberbox \hbox}
-        {\edef\publistnumberbox{\hbox to \listparameter\c!width}}%
-      \ifx\@@pbnumbering\v!short
-        \def\@@pblimitednumber##1{\publistnumberbox{\@@pbnumbercommand{\bibgetvars\currentpublicationkey}}}%
-      \else\ifx\@@pbnumbering\v!bib
-        \def\@@pblimitednumber##1{\publistnumberbox{\@@pbnumbercommand{\bibgetvarn\currentpublicationkey}}}%
-      \else
-        \def\@@pblimitednumber##1{\publistnumberbox{\@@pbnumbercommand{##1}}}%
-      \fi\fi}%
-   \ifx\@@pbnumbering\v!no
-     \setuplist[pubs][\c!numbercommand=,\c!symbol=\v!none,\c!textcommand=\outdented]%
-   \else
-     \setuplist[pubs][\c!numbercommand=\@@pblimitednumber]%
-   \fi
-   \doifelse{\publicationlistparameter\c!maybeyear}{\v!off}{\def\maybeyear##1{}}{\def\maybeyear##1{##1}}%
-   \forgetall}
-
-\unexpanded\def\outdented#1% move to supp-box ?
-  {\hskip-\hangindent#1\relax}
-
-%D The full list of publications
-
-\unexpanded\def\completepublications
-  {\dosingleempty\docompletepublications}
-
-\unexpanded\def\docompletepublications[#1]%
-  {\begingroup
-   \setuplist[pubs][#1]%
-   \edef\currentbibtexsessiontitle{\publicationlistparameter\c!title}%
-   \ifx\currentbibtexsessiontitle\empty
-     \normalexpanded{\startnamedsection[\v!chapter][\c!reference=pubs,\c!title={\headtext{pubs}}]}%
-   \else
-     \normalexpanded{\startnamedsection[\v!chapter][\c!reference=pubs,\c!title={\currentbibtexsessiontitle}]}%
-   \fi
-   \dodoplacepublications
-   \stopnamedsection
-   \endgroup}
-
-%D And the portion with the entries only.
-
-\def\bibrefprefix{\number\bibtexblock:}
-
-\unexpanded\def\placepublications
-  {\dosingleempty\doplacepublications}
-
-\unexpanded\def\doplacepublications[#1]%
-  {\begingroup
-   \setuplist[pubs][#1]%
-   \dodoplacepublications
-   \endgroup}
-
-\unexpanded\def\dodoplacepublications
-  {\determinelistcharacteristics[pubs]%
-   \initializepubslist
-   \doifnot{\namedlistparameter{pubs}\c!option}\v!continue
-     {\global\bibtexcounter\zerocount}%
-   \inpublisttrue
-   \typesetpubslist
-   \inpublistfalse
-   \global\advance\bibtexblock\plusone}
-
-%D \subsubject{What's in a publication}
-%D
-%D Watch out: here all means all publications in database, so use
-%D text when you want text only.
-
-\unexpanded\def\typesetapublication#1%
-  {\doifsomething{#1}
-     {\doifelse{\namedlistparameter{pubs}\c!criterium}\v!all
-        {\doplacepublicationindeed{#1}}%
-        {\ctxlua{bibtex.hacks.doifalreadyplaced("#1")}
-           {}
-           {\doplacepublicationindeed{#1}}}%
-      }}
-
-% for the moment we don't access the data directly but we will do that
-% later when we get away from storing the data and only deal with
-% references
-
-% we'll define proper handlers later
-
-\unexpanded\def\doplacepublicationindeed#1%
-  {\doifelsebibreferencefound{#1}
-     {\global\advance\bibtexcounter\plusone
-      \def\currentpublicationkey{#1}%
-      \ctxlua{bibtex.hacks.registerplaced("#1")}%
-      \def \currentlist               {pubs}%
-      \edef\currentlistentrynumber    {\number\bibtexcounter}%
-      \let \currentlistentrytitle     \bibtexpubtext
-      \let \currentlistentrypagenumber\empty
-      \strc_lists_apply_renderingsetup}
-     {}} % invalid
-
-\unexpanded\def\bibtexpubtext
-  {\expanded{\reference[\bibrefprefix\currentpublicationkey]{\number\bibtexcounter}}%
-   \strut\dotypesetapublication\currentpublicationkey\strut}
-
-\unexpanded\def\dotypesetapublication#1%
-  {\bgroup
-   \the\initializebibdefinitions % NEW
-   \def\@@currentalternative{:l:}%
-   \presetbibvariables
-   \let\biblanguage\empty
-   \ignorespaces
-   \bibgetvard{#1}%
-   \removeunwantedspaces
-   \ignorespaces
-   \bibalternative{\bibgetvart{#1}}%
-   \removeunwantedspaces
-   \egroup}
-
-%D An few afterthoughts:
-
-\let\maybeyear\gobbleoneargument
-\let\noopsort \gobbleoneargument
-
-%D This is the result of bibtex's `language' field.
-
-\unexpanded\def\setbiblanguage#1#2{\setvalue{\??pb\s!language#1}{#2}}
-
-\unexpanded\def\lang#1%
-   {\edef\biblanguage{#1}%
-    \ifcsname\??pb\s!language#1\endcsname
-      \language[\getvalue{\??pb\s!language#1}]%
-    \fi
-    \ignorespaces}
-
-%D \subject{Citations}
-
-%D \macros{cite,bibref}
-%D
-%D The indirection with \type{\dobibref} allows \LATEX\ style
-%D \type{\cite} commands with a braced argument (these might appear
-%D in included data from the \type{.bib} file).
-
-\unexpanded\def\cite
-  {\strictdoifelsenextoptional\dodocite\dobibref}
-
-\unexpanded\def\dobibref#1%
-  {\docite[#1][]}
-
-\unexpanded\def\dodocite[#1]%
-  {\strictdoifelsenextoptional{\docite[#1]}{\docite[#1][]}}
-
-\unexpanded\def\docite[#1][#2]%
-  {\begingroup
-   \doifelsenothing{#2}\secondargumentfalse\secondargumenttrue
-   \ifsecondargument
-     \dowhatevercite{#1}{#2}%
-   \else
-     \donumberedcite{#1}%
-   \fi
-   \endgroup}
-
-\unexpanded\def\dowhatevercite#1#2%
-  {\processcommalist[#2]\docitation
-   \setupinteraction[\c!style=]%
-   \doifelseassignment
-     {#1}%
-     {\getparameters[LO][\c!alternative=,\c!extras=,#1]%
-      \edef\@@currentalternative{\LOalternative}%
-	  \ifx\@@currentalternative\empty
-        \edef\@@currentalternative{\@@citedefault}%
-      \fi
-	  \ifx\LOextras\empty
-        \setupcite[\@@currentalternative][#1]%
-      \else
-        \expandafter\ifx\csname \??pv \@@currentalternative\c!right\endcsname\relax
-          % avoids tail recursion
-          \expandafter\let\csname \??pv \@@currentalternative\c!right\endcsname\empty
-        \fi
-        \expandafter\ifx\csname LOright\endcsname \relax
-          \edef\LOextras{{\LOextras\bibalternative\c!right}}%
-        \else
-          \edef\LOextras{{\LOextras\LOright}}%
-        \fi
-        \expanded{\setupcite[\@@currentalternative][#1,\c!right=\LOextras]}%
-      \fi}%
-     {\def\@@currentalternative{#1}}%
-   \doifelsevalue{@@pv\@@currentalternative\c!compress}\v!no\bibcitecompressfalse\bibcitecompresstrue
-   \getvalue{bib\@@currentalternative ref}[#2]}
-
-\unexpanded\def\donumberedcite#1%
-  {\processcommalist[#1]\docitation
-   \setupinteraction[\c!style=]%
-   \edef\@@currentalternative{\@@citedefault}%
-   \doifelsevalue{@@pv\@@currentalternative\c!compress}\v!no\bibcitecompressfalse\bibcitecompresstrue
-   \getvalue{bib\@@citedefault ref}[#1]}
-
-%D \macros{nocite}
-
-\unexpanded\def\nocite[#1]%
-  {\processcommalist[#1]\docitation}
-
-%D \macros{setupcite}
-
-\unexpanded\def\setupcite{\dodoubleempty\dosetupcite}
-
-\unexpanded\def\dosetupcite[#1][#2]%
-  {\ifsecondargument
-     \def\dodosetupcite##1{\getparameters[\??pv##1][#2]}%
-     \processcommalist[#1]\dodosetupcite
-   \else % default case
-     \getparameters[\??pv\@@citedefault][#1]%
-   \fi}
-
-%D Low-level stuff
-
-\unexpanded\def\getcitedata#1[#2]#3[#4]#5to#6%
-  {\bgroup
-   \dofetchapublication{#4}%
-   \doifelsedefined{\??pb @bib#2}%
-     {\xdef#6{\getvalue{\??pb @bib#2}}}%
-     {\xdef#6{\getvalue{\??pb @#2}}}%
-   \egroup}
-
-\unexpanded\def\dofetchapublication#1%
-  {\def\currentpublicationkey{#1}%
-   \presetbibvariables
-   \ignorespaces\bibgetvard{#1}}
-
-\unexpanded\def\docitation#1%
-  {\iftrialtypesetting \else
-     \expanded{\writedatatolist[pubs][bibref=#1]}%
-   \fi}
-
-\let\addthisref\gobbleoneargument % keep this for compatibility
-
-%D \macros{ixbibauthoryear,thebibauthors,thebibyears}
-%D
-%D If compression of \type{\cite}'s argument expansion is on,
-%D the macros that deal with authors and years call this internal
-%D command to do the actual typesetting.
-%D
-%D Two entries with same author but with different years may
-%D be condensed into ``Author (year1,year2)''. This is about the
-%D only optimization that makes sense for the (author,year)
-%D style of citations (years within one author have to be unique
-%D anyway so no need to test for that, and ``Author1, Author2 (year)''
-%D creates more confusion than it does good).
-%D
-%D In the code below,
-%D the macro \type{\thebibauthors} holds the names of the alternative
-%D author info fields for the current list. This is a commalist,
-%D and \type{\thebibyears} holds the (collection of) year(s) that go with
-%D this author (possibly as a nested commalist).
-%D
-%D There had better be an author for all cases, but there
-%D does not have to be year info always. \type{\thebibyears} is
-%D pre-initialized because this makes the insertion macros simpler.
-%D
-%D In normal \TEX, of course there are expansion problems again.
-
-%D Delegate this to \LUA.
-
-% \let\ixlastcommand   \relax
-% \let\ixsecondcomman  \relax
-% \let\ixfirstcommand  \relax
-% \let\thebibauthors   \empty
-% \let\thebibyears     \empty
-% \let\authorcount     \!!zerocount
-
-\let\currentbibauthor\empty
-
-\unexpanded\def\ixbibauthoryear#1#2#3#4%
-  {\bgroup
-   \gdef\ixlastcommand  {#4}%
-   \gdef\ixsecondcommand{#3}%
-   \gdef\ixfirstcommand {#2}%
-   \glet\thebibauthors  \empty
-   \glet\thebibyears    \empty
-   \getcommalistsize[#1]%
-   \ifbibcitecompress
-     \dorecurse\commalistsize{\xdef\thebibyears{\thebibyears,}}%
-     \processcommalist[#1]\docompressbibauthoryear
-   \else
-     \processcommalist[#1]\donormalbibauthoryear
-   \fi
-   \egroup
-   \dobibauthoryear}
-
-%D \macros{dodobibauthoryear}
-%D
-%D This macro only has to make sure that the lists
-%D \type{\thebibauthors} and \type{\thebibyears} are printed.
-
-\unexpanded\def\dobibauthoryear
-  {\scratchcounter\zerocount
-   \getcommacommandsize[\thebibauthors]%
-   \edef\authorcount{\commalistsize}%
-   \expandafter\processcommalist\expandafter[\thebibauthors]\dodobibauthoryear}
-
-\unexpanded\def\dodobibauthoryear#1%
-  {\advance\scratchcounter\plusone
-   \edef\wantednumber{\the\scratchcounter}%
-   \getfromcommacommand[\thebibyears][\wantednumber]%
-   \expandafter\def\expandafter\currentbibyear\expandafter{\commalistelement}%
-   \setcurrentbibauthor{#1}%
-   \ifnum\scratchcounter=\plusone
-     \ixfirstcommand
-   \else\ifnum \scratchcounter=\authorcount\relax
-     \ixlastcommand
-   \else
-     \ixsecondcommand
-   \fi\fi}
-
-\unexpanded\def\setcurrentbibauthor#1% sensitive for empty entries but I don't want to touch this
-  {\getcommacommandsize[#1]%
-   \ifcase\commalistsize
-    % anonymous?
-     \let\currentbibauthor\empty
-   \or
-     \def\currentbibauthor{#1}%
-   \or
-     \expanded{\docurrentbibauthor#1}%
-   \else
-     \handlemultiplebibauthors{\commalistsize}{#1}%
-   \fi}
-
-\newcount\citescratchcounter
-
-\unexpanded\def\handlemultiplebibauthors#1#2%
-  {\citescratchcounter\zerocount
-   \let\currentbibauthor\empty
-   \unexpanded\def\bibprocessauthoritem##1%
-     {\advance\citescratchcounter\plusone
-      \ifnum \citescratchcounter=#1\relax
-        \edef\currentbibauthor{\currentbibauthor##1}%
-      \else\ifnum\numexpr\citescratchcounter+\plusone\relax=#1\relax
-        \edef\currentbibauthor{\currentbibauthor##1\bibalternative{andtext}}%
-      \else
-        \edef\currentbibauthor{\currentbibauthor##1\bibalternative{namesep}}%
-      \fi\fi}%
-     \processcommalist[#2]\bibprocessauthoritem}
-
-\setupcite
-  [author,authoryear,authoryears]
-  [\c!namesep={, }]
-
-%D This discovery of authoretallimit is not the best one,
-%D but it will do for now.
-
-\unexpanded\def\docurrentbibauthor#1,#2%
-  {\doifelseempty{#2}
-     {\def\currentbibauthor{#1\bibalternative{otherstext}}}
-     {\expandafter\ifx\csname\??pv\@@currentalternative authoretallimit\endcsname\relax
-        \edef\currentbibauthor{#1\bibalternative{andtext}#2}%
-      \else
-        \edef\currentbibauthor{#1%
-        \ifcase0\bibalternative{authoretallimit}\relax\or
-        \bibalternative{otherstext}\else\bibalternative{andtext}#2\fi}%
-      \fi}}
-
-%D This is not the one Hans made for me, because I need a global
-%D edef, and the \type{\robustdoifinsetelse} doesn't listen to
-%D \type{\doglobal }
-
-\unexpanded\def\robustaddtocommalist#1#2% {item} \cs
-  {\robustdoifelseinset{#1}#2\resetglobal
-     {\dodoglobal\xdef#2{\ifx#2\empty\else#2,\fi#1}}}
-
-%D \macros{donormalbibauthoryear}
-%D
-%D Now we get to the macros that fill the two lists.
-%D The `simple' one really is quite simple.
-
-\unexpanded\def\donormalbibauthoryear#1%
-  {\def\myauthor{Xxxxxxxxxx}%
-   \def\myyear{0000}%
-   \doifelsebibreferencefound{#1}
-     {\def\myauthor{{\bibgetvara{#1}}}%
-      \def\myyear  {\bibgetvary{#1}}}%
-     {}%
-   \expandafter\doglobal\expandafter\appendtocommalist\expandafter{\myauthor}\thebibauthors
-   \expandafter\doglobal\expandafter\appendtocommalist\expandafter{\myyear  }\thebibyears}
-
-%D \macros{docompressbibauthoryear}
-%D
-%D So much for the easy parts. Nothing at all will be done if
-%D the reference is not found or the reference does not contain
-%D author data. No questions marks o.s.s. (to be fixed later)
-
-\unexpanded\def\docompressbibauthoryear#1%
-  {\def\myauthor{Xxxxxxxxxx}%
-   \def\myyear  {0000}%
-   \doifelsebibreferencefound{#1}
-     {\xdef\myauthor{\bibgetvara{#1}}%
-      \xdef\myyear  {\bibgetvary{#1}}}
-     {}%
-    \ifx\myauthor\empty\else
-      \checkifmyauthoralreadyexists
-      \findmatchingyear
-    \fi}
-
-%D two temporary counters. One of these two can possibly be replaced
-%D by \type{\scratchcounter}.
-
-\newcount\bibitemcounter
-\newcount\bibitemwanted
-
-%D The first portion is simple enough: if this is the very first author
-%D it is quite straightforward to add it. \type{\bibitemcounter} and
-%D \type{\bibitemwanted} are needed later to insert the year
-%D information in the correct item of \type{\thebibyears}
-
-\unexpanded\def\checkifmyauthoralreadyexists
-  {\doifelseemptyvalue{thebibauthors}
-     {\global\bibitemwanted \plusone
-      \global\bibitemcounter\plusone
-      \xdef\thebibauthors{{\myauthor}}}
-     {% the next weirdness is because according to \getcommalistsize,
-      % the length of \type{[{{},{}}]} is 2.
-      \expandafter\getcommalistsize\expandafter[\thebibauthors,]%
-      \global\bibitemcounter\numexpr\commalistsize+\minusone\relax
-      \global\bibitemwanted \zerocount
-      \processcommacommand[\thebibauthors]\docomparemyauthor}}
-
-%D The outer \type{\ifnum} accomplishes the addition of
-%D a new author to \type{\thebibauthors}. The messing about with
-%D the two counters is again to make sure that \type{\thebibyears}
-%D will be updated correctly.If the author {\it was} found,
-%D the counters will stay at their present values and everything
-%D will be setup properly to insert the year info.
-
-\unexpanded\def\docomparemyauthor#1%
-  {\global\advance\bibitemwanted \plusone
-   \def\mytempc{#1}%
-   \ifx\mytempc\myauthor
-     \quitcommalist
-   \else\ifnum\bibitemwanted=\bibitemcounter\relax
-     \global\advance\bibitemwanted \plusone
-     \global\bibitemcounter\bibitemwanted\relax
-     \expandafter\doglobal\expandafter\robustaddtocommalist\expandafter{{\myauthor}}\thebibauthors
-   \fi\fi}
-
-%D This macro should be clear now.
-
-\unexpanded\def\findmatchingyear
-  {\edef\wantednumber{\the\bibitemwanted}%
-   \getfromcommacommand[\thebibyears][\wantednumber]%
-   \ifx\commalistelement\empty
-     \edef\myyear{{\myyear}}%
-   \else
-     \edef\myyear{{\commalistelement,\myyear}}%
-   \fi
-   \edef\newcommalistelement{\myyear}%
-   \doglobal\replaceincommalist \thebibyears \wantednumber}
-
-%D \macros{gotobiblink,inbiblink,atbiblink}
-%D
-%D The final task is looping over that list until a match is found.
-
-%D Beware, we can have cites without reference match.
-
-\unexpanded\def\gotobiblink#1[#2]{\doifelsereferencefound{\bibrefprefix#2}{\goto{#1}[\bibrefprefix#2]}{#1}}
-\unexpanded\def\atbiblink    [#1]{\doifelsereferencefound{\bibrefprefix#1}{\at      [\bibrefprefix#1]}{#1}}
-\unexpanded\def\inbiblink    [#1]{\doifelsereferencefound{\bibrefprefix#1}{\expanded{\goto{\currentreferencetext}}[\bibrefprefix#1]}{#1}}
-
-%D \macros{bibauthoryearref,bibauthoryearsref,bibauthorref,bibyearref}
-%D
-%D Now that all the hard work has been done, these are simple.
-%D \type{\ixbibauthoryearref} stores the data in the macros
-%D \type{\currentbibauthor} and \type{\currentbibyear}.
-
-\unexpanded\def\doifelsebibinteraction
-  {\iflocation
-     \edef\test{\bibalternative\c!interaction}%
-     \ifx\test\v!stop
-       \doubleexpandafter\secondoftwoarguments
-     \else
-       \doubleexpandafter\firstoftwoarguments
-     \fi
-   \else
-     \expandafter\secondoftwoarguments
-   \fi}
-
-\let\doifbibinteractionelse\doifelsebibinteraction
-
-\unexpanded\def\bibmaybeinteractive#1#2%
-  {\doifelsebibinteraction{\gotobiblink{#2}[#1]}{#2}}
-
-\unexpanded\def\bibauthoryearref[#1]%
- {\ixbibauthoryear{#1}%
-    {\bibmaybeinteractive{#1}{{\currentbibauthor}\bibalternative\c!inbetween
-     \bibalternative\v!left{\currentbibyear}\bibalternative\v!right}}
-    {\bibalternative\c!pubsep
-     \bibmaybeinteractive{#1}{{\currentbibauthor}\bibalternative\c!inbetween
-     \bibalternative\v!left  {\currentbibyear}\bibalternative\v!right}}
-    {\bibalternative\c!lastpubsep
-     \bibmaybeinteractive{#1}{{\currentbibauthor}\bibalternative\c!inbetween
-     \bibalternative\v!left {\currentbibyear}\bibalternative\v!right}}}
-
-\unexpanded\def\bibauthoryearsref[#1]%
-  {\bibalternative\v!left
-   \ixbibauthoryear{#1}
-     {\bibmaybeinteractive{#1}{{\currentbibauthor}\bibalternative\c!inbetween{\currentbibyear}}}
-     {\bibalternative\c!pubsep
-      \bibmaybeinteractive{#1}{{\currentbibauthor}\bibalternative\c!inbetween{\currentbibyear}}}
-     {\bibalternative\c!lastpubsep
-      \bibmaybeinteractive{#1}{{\currentbibauthor}\bibalternative\c!inbetween{\currentbibyear}}}%
-   \bibalternative\v!right}
-
-\unexpanded\def\bibauthorref[#1]%
-  {\bibalternative\v!left
-   \ixbibauthoryear{#1}%
-     {\bibmaybeinteractive{#1}{{\currentbibauthor}}}
-     {\bibalternative\c!pubsep    \bibmaybeinteractive{#1}{{\currentbibauthor}}}
-     {\bibalternative\c!lastpubsep\bibmaybeinteractive{#1}{{\currentbibauthor}}}%
-   \bibalternative\v!right}
-
-\unexpanded\def\bibyearref[#1]%
-  {\bibalternative\v!left
-   \ixbibauthoryear{#1}%
-     {\bibmaybeinteractive{#1}{{\currentbibyear}}}
-     {\bibalternative\c!pubsep    \bibmaybeinteractive{#1}{{\currentbibyear}}}
-     {\bibalternative\c!lastpubsep\bibmaybeinteractive{#1}{{\currentbibyear}}}%
-   \bibalternative\v!right}
-
-%D \macros{bibshortref,bibkeyref,bibpageref,bibtyperef,bibserialref}
-%D
-%D There is hardly any point in trying to compress these. The only
-%D thing that needs to be done is making sure that
-%D the separations are inserted correctly. And that is
-%D what \type{\bibinsertrefsep} does.
-
-\newconditional\firstbibrefsep
-
-\unexpanded\def\bibresetrefsep
-  {\settrue\firstbibrefsep}
-
-\unexpanded\def\bibinsertrefsep
-  {\ifconditional\firstbibrefsep
-     \setfalse\firstbibrefsep
-   \else
-     \bibalternative\c!pubsep
-   \fi}
-
-\unexpanded\def\bibshortref[#1]%
-  {\bibalternative\v!left
-   \bibresetrefsep\processcommalist[#1]\dobibshortref
-   \bibalternative\v!right}
-
-\unexpanded\def\dobibshortref#1%
-  {\bibinsertrefsep
-   \doifelsebibreferencefound{#1}
-     {\gotobiblink{\bibgetvars{#1}}[#1]}
-	 {}}
-
-\unexpanded\def\bibserialref[#1]%
-  {\bibalternative\v!left
-   \bibresetrefsep\processcommalist[#1]\dobibserialref
-   \bibalternative\v!right}
-
-\unexpanded\def\dobibserialref#1%
-  {\bibinsertrefsep
-   \doifelsebibreferencefound{#1}
-     {\gotobiblink{\bibgetvarn{#1}}[#1]}
-     {}}
-
-\unexpanded\def\bibkeyref[#1]%
-  {\bibalternative\v!left
-   \bibresetrefsep\processcommalist[#1]\dobibkeyref
-   \bibalternative\v!right}
-
-\unexpanded\def\dobibkeyref#1%
-  {\bibinsertrefsep
-   \gotobiblink{#1}[#1]}
-
-\unexpanded\def\bibgotoDOI#1#2%
-  {\doifelsebibinteraction
-     {\useURL[bibfooDoi#1][#2]%
-      \useURL[bibfoo#1][http://dx.doi.org/#2]%
-      \goto{\url[bibfooDoi#1]}[url(bibfoo#1)]}
-     {\hyphenatedurl{#2}}}
-
-\unexpanded\def\bibdoiref[#1]%
-  {\bibalternative\v!left
-   \bibresetrefsep\processcommalist[#1]\dobibdoiref
-   \bibalternative\v!right}
-
-\unexpanded\def\dobibdoiref#1%
-  {\bibinsertrefsep
-   \doifelsebibreferencefound{#1}
-     {\expanded{\bibgotoDOI{#1}{\bibgetvaro{#1}}}}
-     {}}
-
-\unexpanded\def\biburlref[#1]%
-  {\bibalternative\v!left
-   \bibresetrefsep\processcommalist[#1]\dobiburlref
-   \bibalternative\v!right}
-
-\unexpanded\def\bibgotoURL#1#2%
-  {\doifelsebibinteraction
-     {\useURL[bibfoo#1][#2]\goto{\url[bibfoo#1]}[url(bibfoo#1)]}
-     {\hyphenatedurl{#2}}}
-
-\unexpanded\def\dobiburlref#1%
-  {\bibinsertrefsep
-   \doifelsebibreferencefound{#1}
-     {\expanded{\bibgotoURL{#1}{\bibgetvaru{#1}}}}
-     {}}
-
-\unexpanded\def\bibtyperef[#1]%
-  {\bibalternative\v!left
-   \bibresetrefsep\processcommalist[#1]\dobibtyperef
-   \bibalternative\v!right}
-
-\unexpanded\def\dobibtyperef#1%
-  {\bibinsertrefsep
-   \doifelsebibreferencefound{#1}
-     {\gotobiblink{\bibgetvart{#1}}[#1]}
-     {}}
-
-\unexpanded\def\bibpageref[#1]%
-  {\bibalternative\v!left
-   \bibresetrefsep\processcommalist[#1]\dobibpageref
-   \bibalternative\v!right}
-
-\unexpanded\def\dobibpageref#1%
-  {\bibinsertrefsep
-   \doifelsebibinteraction
-     {\atbiblink[#1]}
-     {{\referencingfalse\at[#1]}}}
-
-\unexpanded\def\bibdataref[#1]%
-  {\bibalternative\v!left
-   \bibresetrefsep\processcommalist[#1]\dobibdata
-   \bibalternative\v!right}
-
-\unexpanded\def\dobibdata#1%
-  {\bibinsertrefsep
-   \doifelsebibreferencefound{#1}
-     {\dotypesetapublication{#1}}
-     {}}
-
-\let\bibnoneref\nocite
-
-%D \macros{bibnumref}
-
-\unexpanded\def\bibnumref[#1]%
-  {\begingroup
-   \bibalternative\v!left
-   \penalty\plustenthousand
-   \ctxlua{bibtex.hacks.resolve("","\number\bibtexblock","#1")}%
-   \bibalternative\v!right
-   \endgroup}
-
-\unexpanded\def\dowithbibtexnumrefconnector#1#2%
-  {\ifnum#1>\plusone
-     \ifnum#2>\plusone
-       \ifnum#2=#1\relax
-         \bibalternative{lastpubsep}%
-       \else
-         \bibalternative{pubsep}%
-       \fi
-     \fi
-   \fi}
-
-\unexpanded\def\dowithbibtexnumref#1#2#3#4#5% n, i, prefix block ref
-  {\dowithbibtexnumrefconnector{#1}{#2}%
-   \def\bibrefprefix{#4:}%
-   \inbiblink[#5]}
-
-\unexpanded\def\dowithbibtexnumrefrange#1#2#3#4#5#6#7% n, i, prefix block ref
-  {\dowithbibtexnumrefconnector{#1}{#2}%
-   \def\bibrefprefix{#4:}%
-   \inbiblink[#5]%
-   \endash
-   \def\bibrefprefix{#6:}%
-   \inbiblink[#7]}
-
-%D By request from Sanjoy. This makes it easier to implement
-%D \type{\citeasnoun}.
-
-\unexpanded\def\bibauthornumref[#1]%
-  {\getcommalistsize[#1]%
-   \global\bibitemcounter\commalistsize
-   \bibresetrefsep
-   \processcommalist[#1]\dobibauthornumref}
-
-\unexpanded\def\dobibauthornumref#1%
-  {\bibinsertrefsep
-   \doifelsebibreferencefound{#1}
-     {\begingroup
-      \cite[\c!left=,\c!right=,\c!alternative=\v!author][#1]%
-      \bibalternative\c!inbetween
-      \cite[num][#1]%
-      \endgroup}
-     {}}
-
-%D And some defaults are loaded from bibl-apa:
-
-\setuppublications
-  [\c!monthconversion=,
-   \c!alternative=apa,
-   \c!method=\v!global,
-  %\c!criterium=\v!previous,
-   \c!criterium=\v!cite, % mojca wants this so bother her, not me
-   \c!refcommand=num,
-   \c!numbercommand=\bibleftnumber]
-
-\unexpanded\def\preloadbiblist
-  {\globallet\preloadbiblist\relax
-   \dousepublications\jobname}
-
-% \appendtoks \preloadbiblist \to \everysetuppublications
-% \appendtoks \preloadbiblist \to \everystarttext
-
-\let\ifbibinteractionelse\doifbibinteractionelse
-
-\protect \endinput