confused by tags
I frequently tidy/remove all tags from my calibre library & , as expected, if I select view metadata for any one book there are no tags to be seen.
but when I do a format conversion of that same with add metatdata picked on the look & feel screen,then a list of tags appears as part of the metadata inside of the book - how come - where is that data being stored.
are there 2 metadata sources e.g. one in caluibre metadata.db ( maybe) and one within the epub files collection ?
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