bug#56691: outline-minor-mode displays navigation arrow buttons as emojis

[Po Lu]

Jim Porter <jporterbugs@gmail.com> writes:

> It looks like icons.el supports defining an image to use via
> 'define-icon', so shouldn't this "just" be a matter of defining that
> appropriately? Then users can customize 'icon-preference' to their
> hearts' content. I tried looking into how to do that, but it wasn't
> clear to me how to use an image with 'define-icon'.

Yeah, I opened an issue about the confusing customization interface
yesterday.