On Tue, Apr 21, 2020 at 11:30:45PM +0200, Pali Rohár wrote:
On Thursday 13 February 2020 16:18:47 Sasha Levin wrote:
On Thu, Feb 13, 2020 at 01:06:56AM +0100, Pali Rohár wrote:
> In released exFAT specification is not written how are Unicode code
> points above U+FFFF represented in exFAT upcase table. Normally in
> UTF-16 are Unicode code points above U+FFFF represented by surrogate
> pairs but compression format of exFAT upcase table is not clear how to
> do it there.
>
> Are you able to send question about this problem to relevant MS people?
>
> New Linux implementation of exfat which is waiting on mailing list just
> do not support Unicode code points above U+FFFF in exFAT upcase table.
Sure, I'll forward this question on. I'll see if I can get someone from
their team who could be available to answer questions such as these in
the future - Microsoft is interested in maintaining compatiblity between
Linux and Windows exFAT implementations.
Hello Sasha! Have you got any answer from exfat MS team about upcase
table for Unicode code points above U+FFFF?
Sorry for taking so long. This is my understanding from the Windows
folks: Windows filesystems just don't support variable encoding length,
and expect UCS-2 strings.
--
Thanks,
Sasha
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