Hello, Daniele Pizzolli writes: > On 10/02/2013 05:55 PM, Nicolas Goaziou wrote: >> Daniele Pizzolli writes: >> >>> Yes, I think is fair to drop the markup. >> >> OK. >> >>> I would also think that this is safe default when nested markup is >>> bad. The following patch should protect some fragile commands in a section-like structure. It is Beamer-only since general LaTeX back-end doesn't seem to encounter these problems. Does it fix the problem? Regards, -- Nicolas Goaziou