%
% 0pt for thick
%
\cals@rs@pack\tmp{100pt}{2pt}{4pt}{0pt}
\show\tmp
\cals@rs@unpack\tmp\ll\dl\dr\w
\show\ll
\show\dl
\show\dr
\show\w

%
% Use default think
%
\cals@rs@pack\tmp{200pt}{2pt}{4pt}\relax
\show\tmp
\cals@rs@unpack\tmp\ll\dl\dr\w
\show\ll
\show\dl
\show\dr
\show\w

%
% User-specified thick
%
\cals@rs@pack\tmp{300pt}{0pt}{0pt}{3pt}
\show\tmp
\cals@rs@unpack\tmp\ll\dl\dr\w
\show\ll
\show\dl
\show\dr
\show\w
