clojure-emacs/cider — pull request #870 by vitoshka (2014-11-01 23:17:50+00:00)
Title: Don't pipe output to a killed popup buffer

If the popup buffer is accidentally or purposely killed CIDER will lock with thousands of `error in process filter: Selecting deleted buffer`.

This issue can occur with ordinary buffers as well, but it's less of a problem.