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> ### Test of feature request #2168 implementation
> ### Enables use of margintable floating environment
> ### DJS, 17/08/2012
> library(xtable)
> x <- matrix(rnorm(6), ncol = 2)
> x.small <- xtable(x, label='tabsmall', caption = 'A margin table')
> print(x.small, floating.environment = 'margintable',
+       table.environments = "",
+       table.placement = NULL)
% latex table generated in R 4.6.0 by xtable 1.8-8 package
% Sun Feb 22 11:26:22 2026
\begin{margintable}
\centering
\begin{tabular}{rrr}
  \hline
 & 1 & 2 \\ 
  \hline
1 & -1.72 & -0.77 \\ 
  2 & -0.38 & 0.73 \\ 
  3 & -0.08 & 0.28 \\ 
   \hline
\end{tabular}
\caption{A margin table} 
\label{tabsmall}
\end{margintable}
> ## % latex table generated in R 2.15.0 by xtable 1.7-1 package
> ## % Fri Aug 17 01:42:42 2012
> ## \begin{margintable}
> ## \centering
> ## \begin{tabular}{rrr}
> ##   \hline
> ##  & 1 & 2 \\
> ##   \hline
> ## 1 & 1.42 & -1.11 \\
> ##   2 & -0.57 & 0.23 \\
> ##   3 & -0.67 & -0.60 \\
> ##    \hline
> ## \end{tabular}
> ## \caption{A margin table}
> ## \label{tabsmall}
> ## \end{margintable}
> print(x.small, floating.environment = 'margintable',
+       table.environments = "")
% latex table generated in R 4.6.0 by xtable 1.8-8 package
% Sun Feb 22 11:26:22 2026
\begin{margintable}
\centering
\begin{tabular}{rrr}
  \hline
 & 1 & 2 \\ 
  \hline
1 & -1.72 & -0.77 \\ 
  2 & -0.38 & 0.73 \\ 
  3 & -0.08 & 0.28 \\ 
   \hline
\end{tabular}
\caption{A margin table} 
\label{tabsmall}
\end{margintable}
Warning message:
In print.xtable(x.small, floating.environment = "margintable", table.environments = "") :
  margintable does not allow for table placement; setting table.placement to NULL
> ## % latex table generated in R 2.15.0 by xtable 1.7-1 package
> ## % Fri Aug 17 01:42:46 2012
> ## \begin{margintable}
> ## \centering
> ## \begin{tabular}{rrr}
> ##   \hline
> ##  & 1 & 2 \\
> ##   \hline
> ## 1 & 1.42 & -1.11 \\
> ##   2 & -0.57 & 0.23 \\
> ##   3 & -0.67 & -0.60 \\
> ##    \hline
> ## \end{tabular}
> ## \caption{A margin table}
> ## \label{tabsmall}
> ## \end{margintable}
> ## Warning message:
> ## In print.xtable(x.small, floating.environment = "margintable", table.environments = "") :
> ##   margintable does not allow for table placement; setting table.placement to NULL
> 
> 
> proc.time()
   user  system elapsed 
   0.14    0.10    0.23