Aloha Thomas,

Thanks for the suggestion, but the problem persists!

Only replacing the "0" with an "a" helps.

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#+LaTeX_CLASS: beamer
#+startup: beamer

* Lanx
** title

#+BEGIN_Example perl
grep { $_ ->[a] } # <- 0 fails
X{1,2,3} X{1,2,3} X{1,2,3};
#+END_Example

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type C-c C-e d (or C-c C-e L)