<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">%
% Testing "waiting" rule
%

%
% Empty
%
\setbox0=\hbox{%
\cals@rs@sofar@reset
\cals@rs@sofar@end
}
\showbox0

%
% One element
%
\def\ll{100pt}
\def\dl{2pt}
\def\dr{4pt}
\def\w{1pt}
\setbox0=\hbox{%
\cals@rs@sofar@reset
\cals@rs@sofar@next\ll\dl\dr\w
\cals@rs@sofar@end
}
\showbox0

%
% Elements of the same width
%
\setbox0=\hbox{%
\cals@rs@sofar@reset
\cals@rs@sofar@next\ll\dl\dr\w
\cals@rs@sofar@next\ll\dl\dr\w
\cals@rs@sofar@next\ll\dl\dr\w
\cals@rs@sofar@end
}
\showbox0

%
% Elements of different widths
%
\setbox0=\hbox{%
\cals@rs@sofar@reset
\cals@rs@sofar@next\ll\dl\dr\w
\def\w{3pt}%
\cals@rs@sofar@next\ll\dl\dr\w
\def\w{5pt}%
\cals@rs@sofar@next\ll\dl\dr\w
\cals@rs@sofar@end
}
\showbox0

%
% 0pt width=no rule at all
%
\setbox0=\hbox{%
\def\w{2pt}%
\cals@rs@sofar@reset
\cals@rs@sofar@next\ll\dl\dr\w
\def\w{0pt}%
\cals@rs@sofar@next\ll\dl\dr\w
\cals@rs@sofar@next\ll\dl\dr\w
\def\w{2pt}%
\cals@rs@sofar@next\ll\dl\dr\w
\cals@rs@sofar@end
}
\showbox0
</pre></body></html>