Is it ok to use a recent edition to help proof read a public domain text?
For a lot of old texts, it's easy to aquire a modern pbook edition to use as a proof-reading check.
But, is there a risk you end up copying a modern editor's work - which is under copyright (presumably
)?
From a legal pov, are we supposed to use an out-of-copyright hardcopy for proofing an e-version?