AF 1.9.4 Ent
1. Create a new topic, create a tag.
2. Edit the topic just created and save changes.
3. On topic view with the categories tag in use, the category will appear twice.
4. Go back and edit topic again, remove all tags and save.
5. Original tag will only show up once in topic view.
I presume intended behavior:
1. Create topic, create a tag and save.
2. Edit topic, tag is preserved but only displays once on topic view.
3. Edit topic, clear out tags and save, on topic display no tags visible.