mxcl/homebrew — pull request #18820 by knoepfle (2013-03-29 11:28:26+00:00)
Title: Add Jython devel version matching (and test).

The version logic had 'jython-2.7-b1' => '1'; a slight change to the regexp that handles ruby-1.9.1-p243 to allow [abcp] instead of just p takes care of this.