in reply to @ 2015-298 00:46 UTCEasiest way: ask the copyright holder. Often I ask (by email) such authors and they say "that sounds fine to me", which give you written evidence if they decide to change their mind later.
in reply to @ 2015-298 00:46 UTCEasiest way: ask the copyright holder. Often I ask (by email) such authors and they say "that sounds fine to me", which give you written evidence if they decide to change their mind later.