composer/composer — pull request #636 by naderman (2012-04-27 17:49:20+00:00)
Title: [WIP] Allow installing aliases simultaneously

This means alias packages and their originals will be installed at the same time. So if you require dev-master, alias it as 1.0.x-dev and it requires a second package that needs 1.* of the package, that will be solvable now.

Fixes #371