when adding sub-categories to a parent categories they should automatically be added to the parent category. This would also help with the problem of not being able to import an item into multiple categories. If the parent category is "widgets" and the sub-categories are "blue" and "red" with 2 each then the parent category should show 4 items. Currently if you are searching "widgets" nothing comes up unless you select a sub-category OR assign the items to both "blue" and "widgets" which has to be done manually since there is no way to import to multiple categories. This is already standard in the feature of item variations. The top line shows the total of all the variations for that item. A parent category should have the same relationship to it's sub-categories as variations do to a single item.
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