'tag-changes' will contain the tags that are about to be added or removed as
a list of strings of the form \"+TAG\" or \"-TAG\".
'query' will be a string containing the search query that determines
'tag-changes' will contain the tags that are about to be added or removed as
a list of strings of the form \"+TAG\" or \"-TAG\".
'query' will be a string containing the search query that determines