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%
% $Id: lb2examargin.cls,v 1.1 2005/07/05 19:25:15 frank Exp $
%
%%
%% Der LaTeX Begleiter, 2ed
%%
%% Beispiel ``marginal lines article'' Klasse für die LaTeX Begleiter Beispiele.
%%
%% Copyright (C) 2005 Frank Mittelbach, Michel Goossens,
%%    Johannes Braams, David Carlisle, and Chris Rowley
%%
%% 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.
%%
%
\LoadClass[twoside]{article}

\RequirePackage[T1]{fontenc}

\RequirePackage{times}
\RequirePackage[scaled]{helvet}

\RequirePackage[ngerman]{babel}
\RequirePackage[ansinew]{inputenc}

\addto\captionsngerman{%
  \renewcommand\figurename{Abb.\@}%
}

\let\StartShownPreambleCommands\relax
\let\StopShownPreambleCommands\relax


\let\ps@origplain\ps@plain
\let\ps@plain\ps@empty % this class doesn't produces page numbers
                       % since this would make examples too big
                       % but if necessary there is origplain


% Public version uses cmtt (ectt)
\renewcommand{\ttdefault}{cmtt}\endinput
% Book version uses emtt, and restricts to two colors.

\DeclareFontFamily{T1}{emtt}{\hyphenchar \font\m@ne}
\DeclareFontShape{T1}{emtt}{m}{n}{
        <-9>    emtt8
        <9-10>  emtt9
        <10-12> emtt10
        <12->   emtt12
      }{}
\DeclareFontShape{T1}{emtt}{m}{it}{
        <->     emitt10
      }{}
\DeclareFontShape{T1}{emtt}{m}{sl}{
        <->     emsltt10
      }{}
\DeclareFontShape{T1}{emtt}{m}{sc}{
        <->     emtcsc10
      }{}

% FAKE OT1 as it is needed in one example

\DeclareFontFamily{OT1}{emtt}{\hyphenchar \font\m@ne}
\DeclareFontShape{OT1}{emtt}{m}{n}{
        <-9>    emtt8
        <9-10>  emtt9
        <10-12> emtt10
        <12->   emtt12
      }{}

\renewcommand{\ttdefault}{emtt}

% as the book is printed in two colors only (black and blue) we need
% to ensure that other colors are replaced by gray if necessary:

\AtBeginDocument{
\ifx\color\@undefined
\else
\definecolor{blue}{cmyk}{1,0.56,0,0}
\definecolor{red}{cmyk}{0,0,0,.3}
\definecolor{green}{cmyk}{0,0,0,.2}
\definecolor{yellow}{cmyk}{0,0,0,.1}
\definecolor{chaptergrey}{cmyk}{0,0,0,.8}
\fi
}

% for margin rules in math examples we need color to make them
% blue. So in this class color is actually always present:

\RequirePackage{color}

\newcommand \EX@rulewidth {0.25pt}

%% Keep on hacking!
\newcommand \SetupMarginLines{%
    \AtBeginDocument
     {\hbox\bgroup \kern-\EX@rulewidth
      {\color{blue}\vrule width \EX@rulewidth}%
      \vbox\bgroup}%
    \AtEndDocument
     {\egroup       
      {\color{blue}\vrule width \EX@rulewidth}%
      \kern-\EX@rulewidth \egroup}%   
}


\SetupMarginLines


\endinput