[texhax] Problem with vertical alignment in beamer with itemize and columns

[Thomas Gaussiran]

Hello,
I'm relatively new to beamer and I'm having a problem that I can't  
figure out.
I'm trying to create a slide which has two columns of itemized items.  
If you generate this then even though the specification calls for the  
top alignment the second column is lower than the first.
  This same problem doesn't show up if simple text is used instead.
A simple example file is attached.
Any help would be appreciated,
Thanks,
Tom

\documentclass{beamer}
\begin{document}

    \begin{frame}[t]    % note the alignment on this slide is all top  
aligned
    \begin{columns}[t]
       \begin{column}{0.5\textwidth}
           item baasdfasf \\
           item baasdfasf \\
           item baasdfasf \\
           item baasdfasf
       \end{column}
       \begin{column}{0.5\textwidth}
           item baasdfasf \\
           item baasdfasf \\
           item baasdfasf \\
           item baasdfasf
       \end{column}
    \end{columns}
    \end{frame}

    \begin{frame}[t] % note on this slide the second column come out  
below the first
    \begin{columns}[t]
       \begin{column}{0.5\textwidth}
         \begin{itemize}
           \item baasdfasf
           \item baasdfasf
           \item baasdfasf
           \item baasdfasf
         \end{itemize}
       \end{column}
       \begin{column}{0.5\textwidth}
         \begin{itemize}
           \item baasdfasf
           \item baasdfasf
           \item baasdfasf
           \item baasdfasf
         \end{itemize}
       \end{column}
    \end{columns}
    \end{frame}
\end{document}





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