Am Samstag, dem 14.09.2024 um 20:07 +0200 schrieb Jean-Marc Lasgouttes: > Back in history, the structure was not a map<col_type, bool> but a > vecor<bool>. It is used to track things like "is there a line below > this cell?". I am not sure why Juergen changed it to a map To track whether the lines are trimmed (in booktabs midrule case). -- Jürgen