% This is postpictex.tex
%    Version 1.1 9/10/87.
%            See section 10 of the PiCTeX manual.
%    Version 1.1b 2021-06-08 extended LaTeX support for picture environment
%            LaTeX Project (with Michael Wichura's permission for the update)
%            add \put and \multiput to the list of commands restored for LaTeX.

% To use the PiCTeX macros under LaTeX, you first need to \input the
% file prepictex.tex, then the main corpus of PiCTeX macros (pictex.tex),
% and finally this file.  Do not \input the file latexpicobjs.tex.

\catcode`@=11 \catcode`!=11

% Save meanings of PiCTeX keywords that duplicate LaTeX keywords
\let\!pictexendpicture=\endpicture
\let\!pictexframe=\frame
\let\!pictexlinethickness=\linethickness
\let\!pictexmultiput=\multiput
\let\!pictexput=\put

% Redefine the PiCTeX \beginpicture macro
\def\beginpicture{%
 \setbox\!picbox=\hbox\bgroup%
 \let\endpicture=\!pictexendpicture
 \let\frame=\!pictexframe
 \let\linethickness=\!pictexlinethickness
 \let\multiput=\!pictexmultiput
 \let\put=\!pictexput
 \let\input=\@@input   % \@@input is LaTeX's saved version of TeX's primitive
 \!xleft=\maxdimen
 \!xright=-\maxdimen
 \!ybot=\maxdimen
 \!ytop=-\maxdimen}

% Reestablish LaTeX's meaning of \frame. This makes
% PiCTeX's meaning of \frame available only inside a PiCture.
\let\frame=\!latexframe

% Make PiCTeX's meaning of \frame available everywhere in the
% guise of \pictexframe
\let\pictexframe=\!pictexframe

% Now do the same for \linethickness
\let\linethickness=\!latexlinethickness
\let\pictexlinethickness=\!pictexlinethickness

% 2021-06-08 and same for \put and \multiput
\let\put=\!latexput
\let\pictexput=\!pictexput
\let\multiput=\!latexmultiput
\let\pictexmultiput=\!pictexmultiput


% Reset LaTeX's default meaning of \\
\let\\=\@normalcr
\catcode`@=12 \catcode`!=12

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