%D \module
%D   [       file=mtx-context-setters,
%D        version=0000.00.00,
%D          title=\CONTEXT\ Extra Trickry,
%D       subtitle=Show Trackers,
%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.

% begin help
%
% usage: context --extra=setters [--pattern=] [trackers|directives|experiments]
%
% --pattern     : filter by pattern
% --trackers    : show trackers
% --directives  : show directives
% --experiments : show experiments
%
% end help

\starttext

\doifdocumentargument {trackers}        { \ctxlua {trackers   .show(environment.arguments.pattern) } }
\doifdocumentargument {directives}      { \ctxlua {directives .show(environment.arguments.pattern) } }
\doifdocumentargument {experiments}     { \ctxlua {experiments.show(environment.arguments.pattern) } }
\doifdocumentargument {showtrackers}    { \ctxlua {trackers   .show(environment.arguments.pattern) } }
\doifdocumentargument {showdirectives}  { \ctxlua {directives .show(environment.arguments.pattern) } }
\doifdocumentargument {showexperiments} { \ctxlua {experiments.show(environment.arguments.pattern) } }

\stoptext