I have a tikz node that looks like this:

It was generated using the following code:
\documentclass[a4paper,10pt]{article}
\usepackage{tikz}
\begin{document}
\begin{tikzpicture}
\node[align=center]{%
Tableau 0\\
\smallskip
\begin{tabular}{ll}TEXT\\TEXT\end{tabular}
};%
\end{tikzpicture}
\end{document}
You can see that the \smallskip was ignored. I suspect the problem was that TeX was not in the right mode -- vertical mode?
I thought I would get around the problem by wrapping the 'Tableau 0' and \\smallskip in a vertical-mode box. But unfortunately, it looks like all of those boxes require you to specify their width (cf. What are the different kinds of boxes in (La)TeX? ), and I would need something that stretches to the width of its content.
What's the easiest way to insert the whitespace here?

\smallkipthere anyway? Do you want to fix the tight spacing betweenTableau 0and the first line in thetabularenvironment? Then I’d suggest you tryTableau 0\\\begin{tabular}[t]{ll}TEXT\\TEXT\end{tabular}(notice the[t]). – Qrrbrbirlbel Jan 20 '13 at 22:22\\\\[\smallskipamount]and\\\begin{tabular}[t]seem very similar. I would even combine both methods if you want an additional (more than the normal baseline skip) between the caption and the first line of thetabular. – Qrrbrbirlbel Jan 20 '13 at 22:41