caskroom/homebrew-cask — pull request #8552 by rolandwalker (2014-12-31 01:05:59+00:00)
Title: remove homebrew-fork xquartz.rb

On review, the primary gain from adopting this code is the libpng detection method used in #8519. The rest of the logic is not useful to us until/unless we start requiring specific X11 versions in `depends_on :x11`.