haskell/filepath — pull request #21 by thomie (2014-10-26 20:44:40+00:00)
Title: Refactor: joinDrive and combineAlways

I split the original commit up into several smaller ones, so they are hopefully easier to review. This refactoring actually introduces a small semantic change to joinDrive. I'm not sure if this acceptable, and whether it needs mentioning in the changelog.