I feel so stupid. It's actually in the FAQ. On the other hand, there is no hint at all what pre actually means.

Surrounds the given text with pre tags.

That makes little sense to me! (perhaps because I don't speak English?)

Is this function new? Was this ever announced? I cannot recall having ever seen this until a few weeks ago. (and a search for "typewriter" in all forums, all posts gave a zero result.)

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Emil's series of famous moments in film history:
Turn back, Sarah, before it's too late!