dartsim/homebrew-dart — pull request #1 by jyoung360 (2013-07-08 20:58:19+00:00)
Title: Homebrew grip install issue.

... that versions are strings. This was preventing the installation of grip.

Error: Failed to import: tinyxml
version '1.0' should be a string
Error: Failed to import: tinyxml2
version '2.0' should be a string