Tikz, coordinate et tabular
Pourquoi les deux *tableaux* du code ci-dessous ne donnent pas le même affichage ?
'''
\documentclass{article}
\usepackage{tikz}
\begin{document}
\begin{tabular}{c|c|c}%
&\tikz[remember picture, overlay]{\coordinate[name=test1,yshift=-3.6];}&\tikz[remember picture, picture,
overlay]{\coordinate[name=test2,yshift=-3.6];}\\
\hline
\hline
A&1&2\\
\hline
\hline
B&4&8\\
\hline
\hline
\end{tabular}
\tikz[remember picture,overlay]{%
\draw[out=30,in=150] (test1) to (test2);
}
\begin{tabular}{c|c|c}%
&\tikz[remember picture, overlay]{\coordinate[name=test1,yshift={-0.3*\baselineskip}];}&\tikz[remember overlay]{\coordinate[name=test1,yshift={-0.3*\baselineskip}];}&
\tikz[remember picture, overlay]{\coordinate[name=test2,yshift={-0.3*\baselineskip}];}\\
\hline
\hline
A&1&2\\
\hline
\hline
B&4&8\\
\hline
\hline
\end{tabular}
\tikz[remember picture,overlay]{%
\draw[out=30,in=150] (test1) to (test2);
}
\end{document}
'''