marcus@ecrc.de (Marcus Clemente) (06/04/91)
The reason for the error is that a figure is a moving argument and fragile arguments like ref have to be protected from expanding. So there must be a \ref before the \ref:
\caption{another example of figure \protect\ref{example}}
More information can be found in Lamports LaTeX book on page 59.
I would like to thank Nick Dokos (nick@osf.org) and Bernd Raichle
raichle@azu.informatik.uni-stuttgart.de for sending me the answer!
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