[issue14923] Even faster UTF-8 decoding

[Mark Dickinson]

Mark Dickinson <dickinsm at gmail.com> added the comment:

I'm happy to apply the 'decode_utf8_range_check.patch';  I'll do that unless there are objections.  The code is clearer than the original, and if we get a speedup into the bargain then I don't see a reason not to apply this.

I'm less comfortable with either the original patch, or the most recent one (decode_utf8_signed_byte-2.patch).

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