Re: UTF-8 multi-byte characters are not displayed properly on Windows consoles

[LIU Hao]

Thank you, Thomas.

> This doesn't set the locale (which nano normally does).
> Without setting a valid locale which uses UTF-8 encoding,
> ncurses won't do much of any use.
>          setlocale(LC_ALL, "");

Yeah I thought ncurses just write a byte string to the console without being aware of its encoding; 
apparently I was wrong.


For the record:

   `setlocale(LC_ALL, "")` does NOT set a UTF-8 locale on Windows. For example, 
on my system it
   sets up the conventional DBCS locale, and returns `Chinese 
(Simplified)_China.936`, even when
   UTF-8 is in effect. It is possible, however, to request a UTF-8 locale with 
`setlocale(LC_ALL,
   ".65001")` with UCRT. This has the desired effect, and now UTF-8 strings 
work as expected.


There is another issue: When nano is told to read text from standard input, it loses response as 
soon as input is over, like this:

   ```
   > echo | src\nano.exe -

   Reading data from keyboard; type ^D or ^D^D to finish.
   Too many errors from stdin

   Buffer written to nano.11200.save
   ```

The cause of this issue is described in the attached patch. Please take a look if you happen to have 
some time.


Thanks for your help!



--
Best regards,
LIU Hao

ncurses-6.4_console_handles.patch
Description: Text document

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