4aW2tw
Written on June 24, 2019
% Dans le préambule
% -----------------
\usepackage{array}
% -----------------
\newcolumntype{H}{>{deb.}c<{.fin}}
\begin{tabular}{|c|H|c|} \hline
A & B & C \\ \hline
1 & 2 & 3 \\ \hline
x & y & z \\ \hline
\end{tabular}