% % 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