1. Go to https://we.phorge.it/search/query/advanced/
2. In the `Query` field, enter `bleh =zsd +a NOT(x) "phrase like this" a -phasa ~amp title:fb "use meo" érr`.
3. Click `Search` button.
4. Look at the tags shown for the string `Searched For: ...`.
5. See that only red tags also use a (minus) icon.
6. Don't see a minus icon for the red token tag anymore, now get a tooltip for the red token tag.