reftex-reference: beamer label for frames is not found by reftex

[Uwe Brauer]

Hi 

I presume this is more a reftex than an auctex problem. 

I did not pay much attention to the fact that in a beamer document I can
refer to a specific slide using (I attach a complete document just in case)

\begin{frame}[label={sec:orge783ce1}]{First section}
Some text
\begin{equation}
  \label{eq:test-matlab-pretifier-beamer1}
  \int 
\end{equation}
\begin{enumerate}
\item list

\item new
\end{enumerate}
\end{frame}

The point is that if I use the command reftex-reference, this particular
label is not offered. So I think it would be good to add that
functionality to reftex, I think

Regards

Uwe Brauer

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