Re: [PATCH] notifications: Don't expand-file-name app-icon.

[Eli Zaretskii]

> From: Michael Albinus <michael.albinus@gmx.de>
> Cc: dmitry@gutov.dev,  andrew@trop.in,  emacs-devel@gnu.org
> Date: Wed, 26 Jul 2023 09:05:04 +0200
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >> As always with relative file names: the caller is responsible to use a
> >> proper default-directory. What else?
> >
> > Wait a minute.  The icon's file is not processed by Emacs, right?  We
> > pass it to an external program/library/service, right?
> 
> We pass it to an external service via a D-Bus call.

In that case, we _definitely_ must call expand-file-name, and using
relative file names without that is asking for trouble.