bug#20845: 25.0.50; bookmark.el, handling of fictitious `buffer' property

[Stefan Kangas]

Stefan Monnier <monnier@iro.umontreal.ca> writes:
> > I'm looking into Emacs Bug#20845 which asks about the purpose of the
> > "bookmark" property in bookmark.el.
>
> I don't see any `bookmark` property, sorry.

That should be "buffer", sorry about that.

> > The suggestion given by Drew above is to remove it.
> > Do you have an opinion about that?
>
> Not really, no.  But such "old-style" bookmarks might still be used by
> third-party packages and might still appear in users's
> ~/.emacs.d/bookmarks, so if we want to remove support for it, maybe we
> should try and do it gradually.
>
> [...taking a second look...]
>
> Oh, I see how/where it's used and it's definitely still used:
> Info-bookmark-jump uses it (i.e. not in the stored bookmark object, but
> in a transient object passed to bookmark-default-handler).
> So maybe it should be documented in the docstring of
> `bookmark-default-handler` for the benefit of other handlers.

I agree with this conclusion.  So not only do we keep it, but we document it.

Thanks for helping out Stefan, it seems we now have a way forward.

Best regards,
Stefan Kangas