Am 08.07.2015 um 16:57 schrieb Magnus Manske:
If aliases are not unique, you cannot use them to refer to properties.You can, if they are unique.
That's exactly what I said :)
For the few that would conflict, the user would see an error, prompting him to chose a different alias. People adapt quickly to this.
That's exactly what we did, but had to revert, to allow people to clean up existing conflicts. Which is what Lydia's original mail was about.