[Digikam-users] How to remove "left behind" tag tree

[Marcel Wiesweg]

> When moving a tag with sub-tags to below another tag, so the original
> tag is now part of a different tag tree, the tag-with-sub-tags still
> is in the original location, too, in the xmp sidecar file, but it's
> also in the new location. So it's now in the xmp sidecar file in two
> locations.

See bug 268688 and some similar reports.
Lot of work for a proper solution.