Homebrew/homebrew — pull request #34220 by erickt (2014-11-15 21:15:19+00:00)
Title: Add support for delta and creduce

These formulas are derived from #22041. It changes from using `=> :perl` dependencies to instead downloading a specific tarball, just like other formulas that use perl. This hopefully addresses the concerns that caused that PR to be rejected in the past.