Graphics, Figures & Tables ⇒ divide a cell of tabu: vertically self adjusting rule?

[karlisrepsons]

It was necessary to draw up a table (I used tabu) and divide some cells. I happened to end up making nested tables, which resulted in a problem like this: the vertical rules of "child tables" don't connect with horizontal rules of the encapsulating table... So the workaround was finding the max height and depth of the cell elements and drawing vertical rules with a code like:

Code: Select all

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\vrule width \ThinLineSize height \auxLengthA depth \auxLengthB \relax
 
 
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Finally here's the question: can I possibly draw a vertical line, which is not fixed at the baseline of text, but has a fixed total height?

[karlisrepsons]

I got an advice by the author of tabu package to wait for the next version and use a special spacing variable set to negative lenght... But the 2.9 tabu is still in development!