$ lein try [io.rkn/conformity "0.2.1"]
(Could not transfer artifact [io.rkn:conformity:pom:0.2.1] from/to central (http://repo1.maven.org/maven2/): Illegal character in path at index 30: http://repo1.maven.org/maven2/[io/rkn/conformity/0.2.1]/conformity-0.2.1].pom)
...
I seem to have the latest version installed:
The help says I can use square brackets:
But when I do, it fails: