Post WWDC 2014:

A few changes from suggestions made by Xcode Version 6.0 (6A215l), and
a few other changes...
Something in iCloud has changed, it seems.
Never before could a receiving device unpack/inspect its first
discovered document.
Seems pretty reliable now.
Hmm. Xcode's Source Control wants me to [Commit 1 File], but it doesn't show me which file I'm committing, and it wants a commit message in any case.