Perhaps of interest...
A new (US) district court ruling on the distinction between a
derivative work and a collection in the context of CC-BY-SA licenses -
http://www.technollama.co.uk/us-court-interprets-copyleft-clause-in-creativ…
Looks like they came to the sensible decision - interpreting
'derivative' relatively narrowly. In this case, a CC-BY-SA image was
used for the cover of a book and it was held that the license clearly
did not extend to the rest of the book as a derivative work.
--
- Andrew Gray
andrew.gray(a)dunelm.org.uk