Hi David! The Adobe pdf file was sent through dropbox to my iMac (Safari version 5.1.10). Whatever I copy from there ends up garbled on the iMac. On the iPadAir, however, everything transfers fine. Mystery. I am working on a translation and need to have access to the text on the Mac. I wonder if it is the method of sending that affects the file. The last large pdf file sent to me came through "Goodreader" and did not have the problem of garbled Hanzi.

Thank you so much for any ideas! :-)