plan 9 port rejects fonts with characters at codepoints> Specifically:
>
> http://code.swtch.com/plan9port/changeset/3095
> http://code.swtch.com/plan9port/changeset/3102
> http://code.swtch.com/plan9port/changeset/3103
> http://code.swtch.com/plan9port/changeset/3104
> http://code.swtch.com/plan9port/changeset/3110
> http://code.swtch.com/plan9port/changeset/3121
>
> That should cover the bulk of the Plan 9 libraries
> and commands but omits the kernel.
outside the basic plane.