GNU bug report logs - #65300
29.1; fail to start process under a directory with foreign characters

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From: Eli Zaretskii <eliz <at> gnu.org>
To: awrhygty <at> outlook.com
Cc: 65300 <at> debbugs.gnu.org
Subject: bug#65300: 29.1; fail to start process under a directory with foreign characters
Date: Tue, 15 Aug 2023 14:10:52 +0300

tags 65300 wontfix
close 65300
thanks

> From: awrhygty <at> outlook.com
> Date: Tue, 15 Aug 2023 13:09:15 +0900
> 
> 
> If 'default-directory contains characters not encodable with local
> language encoding(cp932 for Japanese Windows OS),
> #'start-process fails to start subprocess.
> 
> For example, set 'default-directory to "c:/tmp/test丄" and 'M-x shell'
> fails with the error message:
>   start-process: Spawning child process: Exec format error

This is a known limitation of starting subprocesses from Emacs on
Windows: we only support running them in directories and with
command-line arguments that can be encoded by the system codepage.
The reasons are explained in a large comment that starts around line
1570 of src/w32.c.

Sorry.

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