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I am having a problem with aligning columns using siunitx. The example goes like this:

\usepackage{siunitx}
\sisetup{separate-uncertainty, table-auto-round}

\begin{sidewaystable}[p]
  \myfloatalign
\caption[Abundances]{Abundances.}
\label{tbl:abundance}
\begin{tabularx}{\textwidth}{S[table-format=2]XS[table-format=-1.2(2)]S[table-format=2]}
 \toprule
Z & Element & $\phi = 0.31$ & N \\
  \midrule
6  &  $\mathrm{C \, I }$ & -0.08(22) &  3  \\
25 &  $\mathrm{Mn\, II}$ &  0.94     &  1  \\
  \bottomrule
  \end{tabularx}
\end{table}

The problem is that the numbers with no reported uncertainty are flushed right so that they are aligned underneath the uncertainty values of the other numbers. Is there a way to make all the data values align under each other?

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Once I'd got a workable example, this looks fine for me: which version of siunitx do you have installed? – Joseph Wright♦ Nov 6 '12 at 22:08
I'm using v1.3c – sfrimann Nov 6 '12 at 22:22
Something odd going on, then, your options (separate-uncertainty, etc.) are for version 2 and later! There was a bug about table alignment and uncertainties, which was fixed a while ago: all I can suggest is getting an up-to-date siunitx. – Joseph Wright♦ Nov 6 '12 at 22:29
I'm sorry. I was looking at an old installation directory. It's v2.5c that I'm using – sfrimann Nov 6 '12 at 22:37
You need version 2.5i or later: that was when I fixed this bug. – Joseph Wright♦ Nov 7 '12 at 6:55

closed as too localized by Joseph Wright♦ Nov 20 '12 at 8:07

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