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I tried to refer the same footnote for many places in the tabu and use this one as a reference, Multiple references to the same footnote inside a table environment.

Here is my code:

\documentclass{article}
\usepackage{scrextend}
\usepackage{hyperref}
\usepackage{tabu}
\begin{document}
\begin{table}[t]
\caption{Input parameters}
\tabulinesep=1.2mm
\begin{tabu} to\linewidth {|X[2l] X[2l]|}
\hline 
\multicolumn{2}{|c|}{Test} \\ 
A & B \footnote{\label{first}first footnote}\\ 
C & D \footref{first}\\
\hline 
\end{tabu}
\end{table}
\end{document}

I get the result as in picture without any footnote at the bottom of the page.

Error1

However, if I use the code like this:

\documentclass{article}
\usepackage{scrextend}
\usepackage{hyperref}
\usepackage{tabu}
\begin{document}
\begin{tabu} to\linewidth {|X[2l] X[2l]|}
\hline 
\multicolumn{2}{|c|}{Test} \\ 
A & B \footnote{\label{first}first footnote}\\ 
C & D \footref{first}\\
\hline 
\end{tabu}
\end{document}

I get no problem (with footnote at the bottom of the page).

Without Error

I've also tried cleveref already but I got ??.

Anything wrong with my first code?

  • footnotes in floats (like table and figure) disappear. You can split them up in a \footnotemark (inside the float) and \footnotetext (outside the float) but then you risk the float being moved to a different page than the footnote text. – Piet van Oostrum Nov 6 '16 at 18:27
  • I've tried your suggestion already and get the problem as you mentioned. So, I use tablenote from \usepackage{threeparttable} instead. – Natthawin Cho Nov 7 '16 at 4:43

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