% Read for plain luatex formats (luatex.ini, dviluatex.ini).
% Assumes LuaTeX 0.39.x or greater.
% Originally written 2009 by Manuel P\'egouri\'e-Gonnard. Public domain.
\begingroup
\catcode`\{=1
\catcode`\}=2
%
\directlua{
% enable all primitives without prefixing
tex.enableprimitives('', tex.extraprimitives())
%
% for compatibility with older LaTeX formats, also provide a
% prefixed version of some primitives.
tex.enableprimitives('luatex',
tex.extraprimitives('core', 'omega', 'aleph', 'luatex'))
}
\endgroup
