What extended ASCII character set uses 0x9D?

[Chris Angelico]

On Fri, Aug 18, 2017 at 4:57 PM, Marko Rauhamaa <marko at pacujo.net> wrote:
> Chris Angelico <rosuav at gmail.com>:
>
>> On Fri, Aug 18, 2017 at 4:38 PM, Paul Rubin <no.email at nospam.invalid> wrote:
>>> John Nagle <nagle at animats.com> writes:
>>>> Since, as someone pointed out, there was UTF-8 which had been
>>>> run through an ASCII-type lower casing algorithm
>>>
>>> I spent a few minutes figuring out if some of the mysterious 0x81's
>>> could be from ASCII-lower-casing some Unicode combining characters,
>>> but the numbers didn't seem to work out. Might still be worth looking
>>> for in some other cases.
>>
>> They can't be from anything like that. Lower-casing in ASCII consists
>> of adding 32 (or setting the fifth bit) on certain byte/character
>> values.
>
> How about lower-casing?

Huh?

ChrisA