Re: Private Use Area

From: Asmus Freytag <>
Date: Wed, 20 Feb 2013 06:43:43 -0800

On 2/19/2013 2:26 PM, Andries Brouwer wrote:
> On Tue, Feb 19, 2013 at 09:55:09AM +0100, Elbrecht wrote:
>> The academical TITUS project occupied U+E000 thru U+EFFF
>> of the Private Use Area ...
> The primary Private Use Area is U+E000 .. U+F8FF today.
> However, Unicode 1.0 defined a Private Use Area U+E800 .. U+FDFF.
> The Linux keyboard driver uses the Private Use Area as it was
> at the time of Unicode 1.0 for internal purposes, and assumes
> that unicode characters have different values.
> Since Unicode changed its mind, this is no longer true.

The very early Unicode versions aren't compatible with later versions
(for more than one reason, but ultimately the cause was changes forced
upon the design by various parties.

If something claims conformance to Unicode 1.0 at this stage, it should
be investigated as to whether it isn't overdue for an update...

Received on Wed Feb 20 2013 - 08:45:24 CST

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