% This is MEX.TEX - the Polish plain TeX format.
% (The version number and date is at the end of the file)
%
% Authors: Marek Ry\'cko & Bogus\l{}aw Jackowski
%
% This macro file belongs to the public domain
% under the conditions specified by the author of TeX:
%
%   ``Macro files like PLAIN.TEX should not be changed in any way,
%     except with respect to preloaded fonts,
%     unless the changes are authorized by the authors of the macros.''
%
%                                           Donald E. Knuth
%
% For details see MEXINFO.ENG or MEXINFO.POL.
%
\catcode`\{=1 % left brace is begin-group character
\catcode`\}=2 % right brace is end-group character
\message{Preloading the MeX format:}
%
\input mex1

% reading PLAIN with `\input hyphen' eliminated
\let\i@t\input \def\input#1 {\message{SKIPPED}}%
    % in PLAIN there is only `\input hyphen' followed by a space token
\let\of@n\font \let\font\f@n
\i@t \pl@in \relax
\catcode`@=11 % @ is again a letter
\let\input\i@t \let\i@t\undefined
\let\font\of@n \let\f@n\undefined

\input mex2

% Format identification:
%
\begingroup \let~\space \def\'{\string\'} \catcode`\&=12 % other
%
% identification data:
\def\a{MeX}        % format name
\def\b{1.05}       % format version
\def\c{18~XII~1993} % format date
%
\edef\x{This~is~\a~~Version~\b~~\c~~(B.~Jackowski~&~M.~Ry\'cko)}
\edef\z{\immediate\write16{\x}\noexpand\the\everyjob}
\global\everyjob\expandafter{\z}
\newtoks\everyjob\global\everyjob{}
%
\global\let\plainfmtname\fmtname
\global\let\plainfmtversion\fmtversion
\xdef\fmtname{\a}
\xdef\fmtversion{\b}% identifies the current format
%
\endgroup

\@th\@% @ are no longer letters
% local modifications, then \dump
