[Enhancement] search within string when tagging
When entering a tag, such as via Edit Metadata-->Edit metadata individually or Edit Metadata-->Edit metadata in bulk, is it possible for Calibre to use user input to search for matches within tags as opposed to from beginning to end? This would be a time-saver for users with many multi-level tags which currently require either scrolling through a lengthy dropdown list to find the right tag or quite a bit of typing to sufficiently narrow down the dropdown list so that lengthy scrolling is not needed.
For example, if I want to tag new content with an existing tag "Mystery.
Thanks for your time. I am completely addicted to calibre.