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Old 08-16-2015, 01:12 PM   #1
CarstenF
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Location: Germany
Device: Kindle Paperwhite
Difference between user categories and subgroups?

Hi all,

I'm quite new to calibre, and just found this page about subgroups in the documentation:
http://manual.calibre-ebook.com/sub_groups.html

This is exactly what I was looking for, but it seems to imply that hierarchies/subgroups are different from user categories ("A subgroup (e.g., a genre) must contain (point to) books, not categories of books. This is what distinguishes subgroups from calibre user categories.").

From the section about the Tag Browser at http://manual.calibre-ebook.com/gui.html#tag-browser however, I was not so sure: in this text, it seems that subgroups are just a synonym for user hierarchies. (The four-step filter cycle seems to have the same behavior for both, does it?)

Thus, is there any difference at all?
If so, what is it?

Many thanks and best regards,
Carsten
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