Re: on ESHELL, utf-8 and fossil command-line commit message

[Eli Zaretskii <eliz@gnu.org>]

> Date: Sat, 01 Oct 2022 15:29:58 -0300
> From:  Wayne Harris via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>
> 
> > You cannot use UTF-8 for encoding command-line arguments of
> > subprocesses on MS-Windows.  Use your system's codepage instead.  This
> > means make sure the Eshell buffer's value of buffer-file-coding-system
> > is your system codepage, not UTF-8.
> 
> I'm glad I added that parenthesis about Windows.  (Thank you for the info!)
> 
> However, I still did not manage to get this right.  Could it be that I
> don't know what my codepage is?  When I run ``chcp'', I get 850.
> 
> --8<---------------cut here---------------start------------->8---
> C:\Users\mer>chcp
> Active code page: 850
> --8<---------------cut here---------------end--------------->8---

Unlikely.  What does this say in Emacs:

  M-: w32-ansi-code-page RET

> Then in ESHELL I type:
> 
> --8<---------------cut here---------------start------------->8---
> %(setq buffer-file-coding-system 'cp850-dos)
> cp850-dos
> 
> %echo naive >> encoding.txt 
> 
> %fs commit -m 'Naïve.'
> [...]
> Sync done, wire bytes sent: 2882  received: 309  ip: 5.161.138.46
> 
> %fs timeline
> === 2022-10-01 ===
> 18:26:22 [c7835d354b] *CURRENT* Naïve. (user: mer tags: trunk)
> [...]
> New_Version: c7835d354b[...]
> %
> --8<---------------cut here---------------end--------------->8---

Maybe you have other customizations that cause this.  What does the
below say:

  M-: default-process-coding-system RET