I'm rigging up some code so that I get the references cited on a slide displayed directly in the footline of my beamer presentation, and I've run into an error that mystifies me. The code I have (which works) is this:


\defbeamertemplate{footline}{footline refs}{
    \hbox{\begin{beamercolorbox}[wd=\paperwidth,dp=1ex]{refs in foot}%
\setbeamertemplate{footline}[footline refs]

But if I want each reference on a separate line, and change \cite to be:


The compilation fails with a capacity exceeded error:

! TeX capacity exceeded, sorry [main memory size=3000000].
<argument> ...le }\framesubtitle }\framesubtitle }
                                                  \framesubtitle }\framesubt...

I find it a bit odd that having a space be the separator works fine but newlines explode (same thing happens with \newline). Does someone know what's wrong (or a better way to do the newline-separated list thing I want to do?


is an accident waiting to happen.



or safer


(Untested as no runnable example supplied)

  • \protected@xdef did the trick. \def\cite#1{\g@addto@macro\framerefs{\interframerefs#1}\gdef\interframerefs{\\}} seems to have different semantics, as with that I get a \newline before the first cite (which LaTeX complains about: "There's no line here to end."). Thanks for the help! – arnsholt Oct 15 '12 at 16:53

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