mxcl/homebrew — pull request #12426 by gvdl (2012-05-25 15:27:16+00:00)
Title: Update libevent 2.0.19. Add --enable-manpages option.

Update to latest codebase. Add an option to install manpages, this adds
a doxygen dependency so I kept the manpages are only optional to
maintain the status quo.