%! e-TeXlib V1.1

% This is "etexdefs.def", the library file which 
% defines symbolic names for e-TeX's constants.  

\module {grouptypes}
\chardef \bottomlevelgroup = 0 %%% {group code for the outside world}
\chardef \simplegroup = 1 %%% {group code for local structure only}
\chardef \hboxgroup = 2 %%% {code for `\.{\\hbox}\grp'}
\chardef \adjustedhboxgroup = 3 %%% {code for `\.{\\hbox}\grp' in vertical mode}
\chardef \vboxgroup = 4 %%% {code for `\.{\\vbox}\grp'}
\chardef \vtopgroup = 5 %%% {code for `\.{\\vtop}\grp'}
\chardef \aligngroup = 6 %%% {code for `\.{\\halign}\grp', `\.{\\valign}\grp'}
\chardef \noaligngroup = 7 %%% {code for `\.{\\noalign}\grp'}
\chardef \outputgroup = 8 %%% {code for output routine}
\chardef \mathgroup = 9 %%% {code for, e.g, `\.{\char'136}\grp'}
\chardef \discgroup = 10 %%% {code for `\.{\\discretionary}\grp\grp\grp'}
\chardef \insertgroup = 11 %%% {code for `\.{\\insert}\grp', `\.{\\vadjust}\grp'}
\chardef \vcentergroup = 12 %%% {code for `\.{\\vcenter}\grp'}
\chardef \mathchoicegroup = 13 %%% {code for `\.{\\mathchoice}\grp\grp\grp\grp'}
\chardef \semisimplegroup = 14 %%% {code for `\.{\\begingroup...\\endgroup}'}
\chardef \mathshiftgroup = 15 %%% {code for `\.{\$...\$}'}
\chardef \mathleftgroup = 16 %%% {code for `\.{\\left...\\right}'}
\endmodule

\module {interactionmodes}
\chardef \batch = 0 %%% {omits all stops and omits terminal output}
\chardef \nonstop = 1 %%% {omits all stops}
\chardef \scroll = 2 %%% {omits error stops}
\chardef \errorstop = 3 %%% {stops at every opportunity to interact}
\endmodule

\module {nodetypes}
\chardef \charnode = 0 %%% {|type| of character nodes}
\chardef \hlistnode = 1 %%% {|type| of hlist nodes}
\chardef \vlistnode = 2 %%% {|type| of vlist nodes}
\chardef \rulenode = 3 %%% {|type| of rule nodes}
\chardef \insnode = 4 %%% {|type| of insertion nodes}
\chardef \marknode = 5 %%% {|type| of a mark node}
\chardef \adjustnode = 6 %%% {|type| of an adjust node}
\chardef \ligaturenode = 7 %%% {|type| of a ligature node}
\chardef \discnode = 8 %%% {|type| of a discretionary node}
\chardef \whatsitnode = 9 %%% {|type| of special extension nodes}
\chardef \mathnode = 10 %%% {|type| of a math node}
\chardef \gluenode = 11 %%% {|type| of node that points to a glue specification}
\chardef \kernnode = 12 %%% {|type| of a kern node}
\chardef \penaltynode = 13 %%% {|type| of a penalty node}
\chardef \unsetnode = 14 %%% {|type| for an unset node}
\chardef \mathsnodes = 15 %%% {|type| of nodes that occur only in maths mode}
\endmodule