Unicode alternative for '..' (ticket #3894)

[Roel van Dijk]

That is very interesting. I didn't know the history of those characters.

> If we can't find a Unicode character that everyone agrees upon,
> I also don't see any problem with leaving it as two FULL STOP
> characters.

I agree. I don't like the current Unicode variant for "..", therefore
I suggested an alternative. But I didn't consider removing it
altogether. It is an interesting idea.