Make the proof-of-concept UTF-8 support in Syscons less useless.
Make the proof-of-concept UTF-8 support in Syscons less useless.

Add a small Unicode-to-CP437 remapping table to at least demonstrate
that the terminal emulator is perfectly capable of handling UTF-8. This
will of course break if the user loads a different font map, but it at
least allows people to give it a try.

I can now see the box drawing in dialog(1) and the arrows in mutt(1)
correctly.

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