RE: equation number and references with overlays

\documentclass[pdf]{prosper}
\begin{document}
\saveCtr{equation}
\overlays{4}{%
  \begin{slide}{bli}
    \onlySlide{1}{
      \begin{equation}
        x = y
        \label{eq:a}
      \end{equation}
      Eq \ref{eq:a} Eq \ref{eq:b} Eq \ref{eq:c} Eq \ref{eq:d}
    }
    \onlySlide{2}{
      \begin{equation}
        x = y
        \label{eq:b}
      \end{equation}
      Eq \ref{eq:a} Eq \ref{eq:b} Eq \ref{eq:c} Eq \ref{eq:d}
    }
    \onlySlide{3}{
      \begin{equation}
        x = y
        \label{eq:c}
      \end{equation}
      Eq \ref{eq:a} Eq \ref{eq:b} Eq \ref{eq:c} Eq \ref{eq:d}
    }
    \onlySlide{4}{
      \begin{equation}
        x = y
        \label{eq:d}
      \end{equation}
      Eq \ref{eq:a} Eq \ref{eq:b} Eq \ref{eq:c} Eq \ref{eq:d}
    }
  \end{slide}
}
\end{document}

-Hendri.


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