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% Copyright (C) 2007-2021 Free Software Foundation, Inc.
% This file is part of GNU Emacs.
% GNU Emacs is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
% GNU Emacs is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
% You should have received a copy of the GNU General Public License
% along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
% This file defines `\pdflayout':
% - \pdflayout=(0) is A4 portrait,
% - \pdflayout=(1) is letter (US) portrait,
% - \pdflayout=(0l) is A4 landscape.
% - \pdflayout=(1l) is letter (US) landscape,
\input ifpdf.sty
\ifpdf
\def\pdflayout=(#1#2){
\if0#1 % A4
\pdfpagewidth=21cm
\pdfpageheight=29.7cm
\else\if1#1 % Letter
\pdfpagewidth=8.5in
\pdfpageheight=11in
\fi\fi
\if l#2 % Landscape
\edef\oldwidth{\the\pdfpagewidth}
\pdfpagewidth=\pdfpageheight
\pdfpageheight=\oldwidth
\fi
}
\else
\def\pdflayout=(#1#2){}
\fi
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