akka/akka — pull request #15367 by drewhk (2014-06-05 12:53:11+00:00)
Title: =str #15355 Fix race in Tee causing a RequestMore overtaking ExposedPublisher

This also makes the secondary subscription lazy, which leaves more wiggling room for #15086. It might be possible to restore the eager behavior, but currently I see less complications with this approach.

Fixes #15355