%%
%% Der LaTeX-Begleiter, zweite Auflage (September 2005)
%%
%% Beispiel 12-5-49 von Seite 770.
%%
%% Copyright (C) 2005 Frank Mittelbach, Michel Goossens,
%%    Johannes Braams, David Carlisle, and Chris Rowley
%%
%% Uebersetzung: Copyright (C) 2005 Claudia Krysztofiak,
%%    Rebecca Stiels und Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See http://www.latex-project.org/lppl.txt for details.
%%

\documentclass{lb2exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{257.4372pt}

\makeatletter
%Korrektur f�r overword.sty, an Frank Bennett weitergegeben
\AtBeginDocument{\long\def\@ifowd{%
 \ifx\@let@token\@sptoken%
   \gdef\@preoverwordspace{ }%
   \let\reserved@e\@xifowd%
 \else%
   \gdef\@preoverwordspace{}%
   \ifx\@let@token\end%
     \let\reserved@e\reserved@d%
   \else%
     \ifx\@let@token\par%
       \let\reserved@e\@xifpargobble%
     \else%
       \long\def\reserved@e##1 {\long\gdef\@overword{##1}\@@ifowd}%
     \fi%
   \fi%
 \fi%
 \reserved@e}}

%Korrektur f�r camel.sty, an Frank Bennett weitergegeben
\AtBeginDocument{\def\@realcite#1#2#3{%
 \ifcat$#1$\else%
  \setkeys{cameloptions}{#1}%             %<--- fehlendes Prozent
 \fi%
 \if@law@requiresubjects%
  \@law@confirmsubject%
 \fi%
 \global\@ltok@argtwo{}%
 \ifcat$#3$\else%
   {\let\@law@parse=\@law@alparseplain\@law@parse #3,,}%
 \fi%
 {\let\@law@parse=\@law@clparseplain\@law@parse #2,,}%
 }}

\AtBeginDocument{\def\@printbibliography[#1]#2{%
 \global\@law@forcefootnotesfalse%
 \gdef\@law@temp{#1}\gdef\@law@temptwo{labels=false}%
 \let\camelrefname\refname%
 \expandafter\ifx\csname#2inputext\endcsname\relax%
   \global\@law@tablefalse%
 \else%
   \global\@law@tabletrue%
 \fi%
 \begingroup%
   \def\refname{\@law@getsubjectheader{#2}}%
     \@law@usepagesfalse%
     \@law@getbibformat{#2}%             %<--- fehlendes Prozent
     \let\maybe\@gobble%
     \let\camelfill\relax%
     \let\camelarrow\relax%
 \ifx\@law@temp\@law@temptwo%
       \advance\@totalleftmargin -\labelsep%
       \advance\linewidth \labelsep%
       \def\@biblabel##1{}%
 \fi%
     \if@law@table%
       \if@law@usepages%
         \let\maybe\relax%
         \let\camelfill\dotfill%
         \let\camelarrow\rightarrow%
       \fi%
     \else%
       \longestlabelfor{#2}%
       \ifdim\lawlengthtwo=0pt%
         \advance\@totalleftmargin -\labelsep%
         \advance\linewidth \labelsep%
         \def\@biblabel##1{}%
       \fi%
     \fi%
   \if@law@requiresubjects%
     \@law@dobibliography{#2}%
   \else%
     \gdef\@law@temp{#2}\gdef\@law@temptwo{all}%
     \ifx\@law@temp\@law@temptwo%
       \@law@dobibliography{#2}%
     \else%
     \message{^^J===================================================^^J%
                 Camel bibliography ^^J
                  Document type: without-subjects ^^J
                  Bibliography type: subject-specific (#2) ^^J
                  Action: impossible task, ignoring ...^^J%
                 ===================================================^^J}% % fehlendes Prozent
     \fi%
   \fi%
 \endgroup}}

% kleine �berschriften f�r das Beispiel
\renewcommand\section{\@startsection{section}{1}{\z@}%
                                   {1.25ex \@plus1ex \@minus.2ex}%
                                   {.8ex}%
                                   {\normalsize\bfseries}}
\makeatother
\setlength\textheight{15\baselineskip}

\StartShownPreambleCommands
\usepackage{camel}
\citationsubject[o=tts,i=ttb]
    {tex}{Typography}
\citationsubject[o=lts,i=ltb]
               {jur}{Law}
\forcefootnotes
\StopShownPreambleCommands
\begin{document}
\citationstyle{law}
\citationdata{jura,tex}

\ldots text
\source[a,s=tex]{Knuth-CT-a}
see-also \source[f,s=tex]
          {Knuth:TB10-1}
\ldots somewhat later\ldots
\source[t,s=jur]{bschur}
\printbibliography{jur}
\printbibliography{tex}
\end{document}