[KPhotoAlbum] Breaking changes in file layout

[Tobias Leupold]

Am Montag, 6. April 2020, 15:57:03 CEST schrieb Robert Krawitz:
> There's no perfect solution to the fact that slashes can't be filename
> components, but I don't think this really has to be absolutely
> perfect.

What about one of the two middle way solutions I proposed?

> > This one could actually be hidden by a leading dot imo, like
> > "DBDIR/.CategoryImages/"
>
> Or moved to XDG_CACHE_DIR/kphotoalbum/<db>/CategoryImages?

I think Johannes considers the CategoryImages an integral part of the database
(which is probably correct), so it should reside where index.xml is.