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+%D \module
+%D [ file=s-system-tokens.mkxl,
+%D version=2020.06.02,
+%D title=\CONTEXT\ Style File,
+%D subtitle=System Tokens Checking,
+%D author=Hans Hagen,
+%D date=\currentdate,
+%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
+%C
+%C This module is part of the \CONTEXT\ macro||package and is
+%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
+%C details.
+
+\startmodule[system-tokens]
+
+\registerctxluafile{s-system-tokens}{}
+
+\permanent\protected\def\showsystemtokens{\ctxlua{moduledata.system.tokens.showlist()}} % can be public implementor
+
+\stopmodule
+
+\continueifinputfile{s-system-tokens.mkxl}
+
+\usemodule[article-basic]
+
+\setuppapersize[A4,landscape]
+
+\setuplayout[tight]
+
+\setupbodyfont[8pt]
+
+\starttext
+
+ \showsystemtokens
+
+ Some tokens cannot be created yet because they are more complex but eventually the creator will
+ deal with them. The indices are sometimes the same as internal but in most cases nicely start
+ at zero. When they start at another value, then there is an internal token or state that is not
+ user accessible. You always need to use symbolic constants as the numbers can change.
+
+ The first column is a classifier (which is experimental and categories might change when we feel
+ the need).
+
+ \startcolumns[n=5]
+ \starttabulate[|T||]
+ \NC 0 \NC unused \NC \NR
+ \NC 1 \NC regular \NC \NR
+ \NC 2 \NC character \NC \NR
+ \NC 3 \NC register \NC \NR
+ \NC 4 \NC internal \NC \NR
+ \NC 5 \NC reference \NC \NR
+ \NC 6 \NC data \NC \NR
+ \NC 7 \NC token \NC \NR
+ \NC 8 \NC node \NC \NR
+ \stoptabulate
+ \stopcolumns
+
+ \page
+
+ Here is a typeset table of \type {\startframed} using \type {\luatokentable\startframed}:
+
+ \luatokentable\startframed
+
+ which calls \type {\pack_framed_start_framed} where \type {\luatokentable\pack_framed_start_framed} gives:
+
+
+ \unprotect
+ \luatokentable\pack_framed_start_framed
+ \protect
+
+ So you can guess what generates this:
+
+ \unprotect
+ \luatokentable\pack_framed_start_framed_nop
+ \protect
+
+ And this:
+
+ \unprotect
+ \luatokentable\pack_framed_start_framed_yes
+ \protect
+
+\stoptext
+