Hi, Why is the height of the cells of the third line different ? Thank you. Fabrice \starttext \startxtable[align={lohi,middle},offset=0.8ex,width=3cm] \startxrow \startxcell \m{x} \stopxcell \startxcell[nx=3] \math{-\infty} \hfill \math{+\infty} \stopxcell \stopxrow \startxrow \startxcell Signe de \m{3x-6} \stopxcell \startxcell \unknown \stopxcell \startxcell \unknown \stopxcell \startxcell \unknown \stopxcell \stopxrow \startxrow \startxcell Signe de \m{-2x+8} \stopxcell \startxcell \unknown \stopxcell \startxcell \unknown \stopxcell \startxcell \unknown \stopxcell \stopxrow \startxrow \startxcell[width=6cm] Signe de \m{(3x-6)(-2x+8)} \stopxcell \startxcell \unknown \stopxcell \startxcell \unknown \stopxcell \startxcell \unknown \stopxcell \stopxrow \stopxtable \stoptext