On Thu, Dec 07, 2000 at 09:53:19PM -0800, Dave Tweten wrote:
> This time, I need for both the original footnote and the \footnoteref to be in
> section headings. In spite of adding \protect's everywhere I can think to do
> so, I'm left with the following LaTeX error at the \footnotemark:
>
> Missing number, treated as zero.
> ...ect\footnotemark[\protect\ref{foot:div}]}
>
> A number should have been here; I inserted "0".
> (If you can't figure out why I needed to see a number,
> look up `wierd error' in the index to The TeXbook.)
>
> "Wierd error" indeed. I protected the original footnote in its section
> heading. I protected the label within the footnote. I protected the
> footnotemark in its section heading, and I protected its optional reference
> argument. My previous experience is that a \ref to a label in a previous
> footnote will produce the number footnotemark needs.
>
> Is this just not possible, or can someone show me how to get what I'm looking
> for?
You should put protect _only_ before \footnotemark, namely
\protect\footnotemark[\ref{foot:div}]