Eli Zaretskii <eliz@gnu.org> writes:

>> From: Liu Hui <liuhui1610@gmail.com>
>> Date: Mon, 30 Jun 2025 22:47:10 +0800
>> 
>> Hi,
>> 
>> The following recipe is extracted from bug#78925:
>> 
>> 1. emacs -Q
>> 2. Open a file in a remote project:
>>    C-x C-f /ssh:server:~/a_git_project/test_file
>> 3. Create a file that exists outside the project in the remote host, e.g.
>>    M-! touch /tmp/abc
>> 4. type the above filename (i.e. /tmp/abc) in test_file, and M-x ffap
>> 
>> ffap prompts /ssh:server:~/a_git_project/tmp/abc, while in Emacs 29
>> prompts /ssh:server:/tmp/abc correctly. This problem seems to be
>> related to commit 1eae0e7edf4.
>
> Spencer, could you please look into this?

Thanks for the report, this is indeed a bug in ffap-in-project.  This
should be fixed by the attached patch, could you please test?