phinze/homebrew-cask — pull request #3175 by rolandwalker (2014-02-25 13:38:06+00:00)
Title: drop non-alpnanumeric chars from Canonical Name

following up on #2659, further steps toward an algorithmic
derivation of Canonical Name from App Name.

Also add two rules about hyphens which are implied and already
followed by every Cask.