https://www.openstreetmap.org/way/1418178380/history has shop = printing_and_photocopying

shop=printing_and_photocopying ? What kind of shop, if any is here? Is it intentionally used instead of https://wiki.openstreetmap.org/wiki/Tag:shop=copyshop ? If yes, what is the difference? Should we document this shop value as distinct, valid and useful?