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Re: Cygwin fails to utilize Unicode replacement character

Am 01.09.2018 um 20:46 schrieb Steven Penny:
On Sat, 1 Sep 2018 20:11:15, Thomas Wolff wrote:
Which terminals are used and what's the output of `locale` and `cat --version` in both cases?


Note that in addition to Linux, Windows PowerShell also gives correct output:

   $ pwsh -c '[system.text.encoding]::UTF8.getString(0xEB)'
What makes you claim this would be the "correct output"? Where is this defined?

compare again with Cygwin:

   $ printf '\xEB'
Actually, in mintty, this is not (anymore) the MEDIUM SHADE. Please compare.
There's also a problem with using MEDIUM SHADE. In an ambiguous-width locale (or explicit ambiguous-width terminal mode), that character has double-width and is therefore not suitable as a replacement for a single illegal UTF-8 byte. Cygwin console does not support double-width so it does not have this problem, but until further clarification I think I'll not change it in mintty.

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