%
% Test 1
%
> \boxXX=
\hbox(0.0+0.0)x260.0
% column 1
.\pdfcolorstack 0 push {1 0 0 rg 1 0 0 RG}
.\rule(*+0.0)x50.0
.\pdfcolorstack 0 pop
.\glue -50.0
.\glue -4.0
.\rule(*+0.0)x8.0
.\glue -4.0
.\glue 50.0
% column 2
.\pdfcolorstack 0 push {1 0 0 rg 1 0 0 RG}
.\rule(*+0.0)x60.0
.\pdfcolorstack 0 pop
.\glue -60.0
.\glue 60.0
% column 3
.\pdfcolorstack 0 push {1 0 0 rg 1 0 0 RG}
.\rule(*+0.0)x70.0
.\pdfcolorstack 0 pop
.\glue -70.0
.\glue 70.0
% column 4
.\pdfcolorstack 0 push {1 0 0 rg 1 0 0 RG}
.\rule(*+0.0)x80.0
.\pdfcolorstack 0 pop
.\glue -80.0
.\glue 80.0
.\glue -2.0
.\rule(*+0.0)x4.0
.\glue -2.0
%
> \cals@current@rs@above=macro:
->{{50pt}{8pt}{0pt}{2pt}}{{60pt}{0pt}{0pt}{2pt}}{{70pt}{0pt}{0pt}{0pt}}{{80pt}{
0pt}{4pt}{2pt}}.
> \cals@current@rs@below=macro:
->{{50pt}{8pt}{0pt}{6pt}}{{60pt}{0pt}{0pt}{6pt}}{{70pt}{0pt}{0pt}{0pt}}{{80pt}{
0pt}{4pt}{6pt}}.
%
% Test 2
%
> \boxXX=
\hbox(0.0+0.0)x260.0
% column 1
.\pdfcolorstack 0 push {0 1 0 rg 0 1 0 RG}
.\rule(*+0.0)x50.0
.\pdfcolorstack 0 pop
.\glue -50.0
.\glue -3.5
.\rule(*+0.0)x7.0
.\glue -3.5
.\glue 50.0
% column 2
.\pdfcolorstack 0 push {0 1 0 rg 0 1 0 RG}
.\rule(*+0.0)x60.0
.\pdfcolorstack 0 pop
.\glue -60.0
.\glue 60.0
% column 3
.\pdfcolorstack 0 push {0 1 0 rg 0 1 0 RG}
.\rule(*+0.0)x70.0
.\pdfcolorstack 0 pop
.\glue -70.0
.\glue 70.0
% column 4
.\pdfcolorstack 0 push {0 1 0 rg 0 1 0 RG}
.\rule(*+0.0)x80.0
.\pdfcolorstack 0 pop
.\glue -80.0
.\glue 80.0
.\glue -1.5
.\rule(*+0.0)x3.0
.\glue -1.5
%
> \cals@current@rs@above=macro:
->{{50pt}{7pt}{0pt}{1pt}}{{60pt}{0pt}{0pt}{0pt}}{{70pt}{0pt}{0pt}{1pt}}{{80pt}{
0pt}{3pt}{1pt}}.
> \cals@current@rs@below=macro:
->{{50pt}{7pt}{0pt}{5pt}}{{60pt}{0pt}{0pt}{0pt}}{{70pt}{0pt}{0pt}{5pt}}{{80pt}{
0pt}{3pt}{5pt}}.