technomancy/leiningen — pull request #1649 by MarcoPolo (2014-08-19 05:43:01+00:00)
Title: seq? -> sequential? to be able to handle vectors in pom/relativize

The current implementation would break if a middleware plugin emitted a vector for any of the keys in L20 .

It wraps the output in a vec, so it's reasonable to assume it could take a vec as well.