Re: Non file buffers and default-directory

[Eli Zaretskii]

> From: Emanuel Berg <incal@dataswamp.org>
> Date: Thu, 27 Apr 2023 21:46:51 +0200
> 
> Eli Zaretskii wrote:
> 
> > You use Lisp threads. If done correctly, Emacs will respond
> > to user input while another thread is waiting for
> > a sub-process (in this case, network connection to the SMTP
> > server) to produce output.
> 
> Example for a hello world defun would perhaps help.

There are examples in the ELisp manual, and more in the test suite.

> If that is easy I don't see why a more complicated process
> that you wish to isolate in the same way, why that should be
> more complicated just because the process is?

Sorry, I don't understand what you are saying (or asking?) here.