math symbols with pdfmark?

Does anybody knows if there's a way to add math symbols with \pdfmark ?
I've been trying to do it with the code that appears in question #5 of the FAQ:
http://wikiprosper.bbclone.de/index.php?pagename=ProsperFaq
that says:
"
\def\AcrobatNote#1#2{%
\pdfmark[\phantom{1}]{pdfmark=/ANN,%
Raw={/Title (#1) /Contents (#2)}}}

\begin{document}
\begin{slide}{Test slide}
\AcrobatNote{Title test note}{Contents test note}
\end{slide}
\end{document}
"

Another way will be to convert the equations in images (latex2html)
and add them to the note. How can I do that with \pdfmark?

Cheers,
felipe.


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