Homebrew/homebrew — pull request #25382 by ppaeps (2013-12-21 12:17:28+00:00)
Title: signing-party: avoid conflicting with Mutt

Mutt installs its own private copy of pgpring. Rename signing-party's
to pgppubring to avoid conflicting with Mutt's. This is the same way
that FreeBSD's signing-party port works around the conflict.