%% bbold.sty  v 1.1 von J"org Knappen 9. 1. 1992
%% (c) J"org Knappen 1991, 1992         knappen@vkpmzd.kph.uni-mainz.de
%% Copying conditions Gnu licence v 1.0
%% Created 28-apr-1991
%% Changed 7-oct-1991: Added English Documentation
%%                     and an error message, if the New Font Selection Scheme
%%                     is not used
%% Changed 9-jan-1992: \RIfM@ and the following definion block is defined
%%                     without any condition. The condition
%%                     \@ifundefined{RIfM@} had lead to incompatibility
%%                     with e.g. amsbsy.sty (v 1.0)
%%
%% L"adt die BBOLD-Zeichens"atze unter dem neuen Zeichensatzwahlschema
%% und definiert \bbold (als Fontschalter) sowie \Eins (Zeichen f"ur die
%% Einheitsmatrix)
%% The BBOLD fonts are loaded and the following control sequences are
%% defined:
%% \bbold    acts as a font switch, switching its argument to BBOLD
%% \Eins     prints the bbold 1 (Unit matrix)
\@ifundefined{extract@font}
     {\errmessage{The style option `bbold' does not make sense if you
                  do not use a format with the new font selection scheme.}
      \endinput}
     {}

  \def\RIfM@{\relax\protect\ifmmode}
    \let\boxz@\fi % \if \fi matching hack
  \def\boxz@{\box\z@}
  \def\setboxz@h{\setbox\z@\hbox}
  \def\wdz@{\wd\z@}
  \def\noaccents@{\def\accentclass@{0}}
  \def\Invalid@@{Invalid use of \string}
  \def\nonmatherr@#1{\err@
    {\string#1\space allowed only in math mode}\@ehd}
  \def\err@{\@latexerr}

\newmathalphabet\bbold@
\addtoversion{normal}\bbold@{bbold}{m}{n}
\addtoversion{bold}\bbold@{bbold}{m}{n}
\def\pbbold{\RIfM@\expandafter\bbold@\else
                  \expandafter\nonmatherr@\expandafter\bbold\fi}
\def\bbold{\protect\pbbold}
\new@fontshape{bbold}{m}{n}{%
  <5>bbold5%
  <6>bbold6%
  <7>bbold7%
  <8>bbold8%
  <9>bbold9%
  <10>bbold10%
  <11>bbold11%       This one was computed with the help of the Sauter tools
%  <11>bbold10 at10.95pt% alternative, change the position of the % sign to
%                         choose this
  <12>bbold12%
  <14>bbold14%       Ditto, design_size:=14.4;
%  <14>bbold12 at14.4pt%  alternative
  <17>bbold17%
  }{}
\extra@def{bbold}{}{\noaccents@}


% Die Einheitsmatrix (Unit matrix)

\def\Eins{\bbold 1 }

\endinput